/* ── reset ──────────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  /* ── AcademiaExit-style indigo/purple palette on a clean slate base ── */
  --bg:#F8FAFC;--bg2:#FFFFFF;--bg3:#F1F5F9;--bg4:#E2E8F0;
  --border:#E2E8F0;--border2:#CBD5E1;
  --text:#0F172A;--text2:#64748B;--text3:#94A3B8;
  --accent:#4F46E5;--accent2:#4338CA;--accent-glow:rgba(79,70,229,.10);
  --accent-purple:#7C3AED;
  --accent-grad:linear-gradient(90deg,#4F46E5,#7C3AED);
  --accent-ink:#fff;   /* text that sits ON a filled accent */
  --green:#059669;--green2:rgba(5,150,105,.1);
  --red:#DC2626;--red2:rgba(220,38,38,.08);
  --yellow:#D97706;--yellow2:rgba(217,119,6,.1);
  --blue:#2563EB;--blue2:rgba(37,99,235,.1);
  --r:12px;--r-lg:20px;
  --font-display:'Space Grotesk','Plus Jakarta Sans',sans-serif;
  --shadow:0 1px 4px rgba(0,0,0,.06),0 4px 16px rgba(0,0,0,.05);
  --shadow-lg:0 8px 32px rgba(0,0,0,.12);
  /* footer */
  --footer-bg:#1E1B4B;--footer-mid:#312E81;--footer-text:#A5B4FC;
}
/* ── Dark theme ──────────────────────────────────────────── */
[data-theme="dark"]{
  --bg:#0d1117;--bg2:#161b22;--bg3:#1c2128;--bg4:#262c36;
  --border:#21262d;--border2:#30363d;
  --text:#e6edf3;--text2:#8b949e;--text3:#484f58;
  --accent:#818cf8;--accent2:#a5b4fc;--accent-glow:rgba(129,140,248,.16);
  --accent-purple:#a78bfa;
  --accent-grad:linear-gradient(90deg,#818cf8,#a78bfa);
  --green:#3fb950;--green2:rgba(63,185,80,.12);
  --red:#f85149;--red2:rgba(248,81,73,.12);
  --yellow:#e3b341;--yellow2:rgba(227,179,65,.12);
  --blue:#58a6ff;--blue2:rgba(88,166,255,.12);
  --shadow:0 2px 8px rgba(0,0,0,.6);--shadow-lg:0 8px 32px rgba(0,0,0,.7);
}
/* ── Accent themes ────────────────────────────────────────
   These keep the light surfaces and swap only the brand accent — buttons,
   active states, rings, links. Correctness colour (--green / --red) is
   deliberately untouched: a student must never have to learn a new colour
   for "you got it right". Each pairs a deeper shade for filled buttons
   (white text needs the contrast) with the given hue for interactive bits. */
[data-theme="primary"]{
  --accent:#4F46E5;--accent2:#6366F1;--accent-glow:rgba(99,102,241,.10);
}
[data-theme="secondary"]{
  --accent:#5B5D6B;--accent2:#6C6E7E;--accent-glow:rgba(108,110,126,.13);
}
[data-theme="tertiary"]{
  --accent:#6D28D9;--accent2:#7C3AED;--accent-glow:rgba(124,58,237,.10);
}
[data-theme="neutral"]{
  --accent:#474956;--accent2:#585A68;--accent-glow:rgba(88,90,104,.13);
}
/* Scarlet's own hue is the one accent that collides with --red (wrong answers,
   errors), so buttons take the deeper shade to stay distinguishable from a
   feedback banner — and --red itself is left alone. */
[data-theme="scarlet"]{
  --accent:#C42A1F;--accent2:#E63B2E;--accent-glow:rgba(230,59,46,.11);
}
[data-theme="copper"]{
  --accent:#A85622;--accent2:#C2652A;--accent-glow:rgba(194,101,42,.12);
}
/* Sky is a pale accent: white text on #7DD3FC is 1.67:1, so the fill carries
   dark ink instead, and the deeper sky handles text and links on white. */
[data-theme="sky"]{
  --accent:#7DD3FC;--accent2:#0369A1;--accent-glow:rgba(125,211,252,.26);
  --accent-ink:#0B2A3A;
}

html{height:100%;scroll-behavior:smooth}
body{font-family:'Plus Jakarta Sans','Noto Sans Ethiopic',sans-serif;background:var(--bg);color:var(--text);height:100%;font-size:15.5px;line-height:1.65;overflow:hidden}
/* Real Material Symbols icon font — same glyphs as the reference, not an
   approximation. Ligature text (e.g. "menu_book") renders as the icon. */
.material-symbols-outlined{
  font-family:'Material Symbols Outlined';font-weight:normal;font-style:normal;
  line-height:1;display:inline-block;white-space:nowrap;word-wrap:normal;direction:ltr;
  -webkit-font-feature-settings:'liga';font-feature-settings:'liga';
  -webkit-font-smoothing:antialiased;vertical-align:middle;
  font-variation-settings:'FILL' 0,'wght' 400,'GRAD' 0,'opsz' 24;
}
button{cursor:pointer;font-family:inherit}
input,select,textarea{font-family:inherit}
::-webkit-scrollbar{width:5px;height:5px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:var(--bg4);border-radius:3px}

/* ── layout ─────────────────────────────────────────────── */
.shell{display:grid;grid-template-columns:260px 1fr;grid-template-rows:60px 1fr;height:100vh;overflow:hidden;transition:grid-template-columns .25s ease}
.shell.sidebar-collapsed{grid-template-columns:0px 1fr}
.shell.sidebar-compact{grid-template-columns:76px 1fr}

/* ── topbar ─────────────────────────────────────────────── */
.topbar{
  grid-column:1/-1;background:var(--bg2);
  border-bottom:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;
  padding:0 16px;gap:6px;
  position:sticky;top:0;z-index:200;
}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px;white-space:nowrap}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:var(--accent-grad);
  display:flex;align-items:center;justify-content:center;
  font-size:17px;flex-shrink:0;
}
.topbar-center{flex:1;max-width:280px}
.search-wrap{position:relative}
.search-wrap input{
  width:100%;background:var(--bg3);border:1px solid var(--border);
  border-radius:var(--r);padding:8px 14px 8px 36px;
  color:var(--text);font-size:13px;outline:none;transition:border-color .2s;
}
.search-wrap input:focus{border-color:var(--accent)}
.search-ico{position:absolute;left:11px;top:50%;transform:translateY(-50%);color:var(--text3)}
.topbar-right{display:flex;align-items:center;gap:6px}
.stat-chip{
  display:flex;align-items:center;gap:6px;font-size:12px;
  color:var(--text2);padding:5px 10px;border-radius:20px;
  background:var(--bg3);border:1px solid var(--border);
}
.stat-chip b{color:var(--accent)}
.nav-btn{
  width:36px;height:36px;border-radius:var(--r);
  background:var(--bg3);border:1px solid var(--border);
  color:var(--text2);display:flex;align-items:center;justify-content:center;
  transition:all .15s;position:relative;
}
.nav-btn:hover{background:var(--bg4);color:var(--text);border-color:var(--border2)}
.nav-btn.active{background:var(--accent-glow);border-color:var(--accent);color:var(--accent)}

/* AI Study Assistant pill — header CTA that opens the existing chat panel,
   styled after the reference's indigo "AI Study Assistant" header button. */
.ai-assist-btn{
  display:flex;align-items:center;gap:6px;padding:7px 13px;
  border-radius:20px;border:1px solid var(--accent);
  background:var(--accent-glow);color:var(--accent);
  font-size:12px;font-weight:700;white-space:nowrap;transition:all .15s;
}
.ai-assist-btn:hover{background:var(--accent);color:#fff}
.ai-assist-btn .material-symbols-outlined{animation:ai-pulse 2.2s ease-in-out infinite}
@keyframes ai-pulse{0%,100%{opacity:1}50%{opacity:.5}}
@media(max-width:900px){.ai-assist-label{display:none}.ai-assist-btn{padding:8px}}
@media(max-width:560px){.ai-assist-btn{display:none}}
.badge-dot{
  position:absolute;top:6px;right:6px;width:7px;height:7px;
  border-radius:50%;background:var(--accent);border:2px solid var(--bg2);
}

/* ── sidebar ─────────────────────────────────────────────── */
.sidebar{
  background:var(--bg2);border-right:1px solid var(--border);
  height:100%;position:sticky;top:0;
  display:flex;flex-direction:column;overflow:hidden;
  transition:transform .25s ease,opacity .25s ease;
}
.shell.sidebar-collapsed .sidebar{transform:translateX(-100%);opacity:0;pointer-events:none}
/* guest (not logged in): hide sidebar, full-width main */
.shell.guest{grid-template-columns:0px 1fr}
.shell.guest .sidebar{transform:translateX(-100%);opacity:0;pointer-events:none;width:0}
.shell.guest #btnSidebar,.shell.guest #btnSidebarTop,.shell.guest #btnCompactTop{display:none!important}
.hamburger-btn{
  width:36px;height:36px;border-radius:8px;
  background:none;border:none;
  color:var(--text2);display:flex;align-items:center;justify-content:center;
  cursor:pointer;transition:all .15s;flex-shrink:0;
  margin-left:-8px;
}
.hamburger-btn:hover{background:var(--bg3);color:var(--text)}
.sidebar-head{flex-shrink:0;padding:16px 0 6px}

/* Exam-date countdown / set-date prompt, pinned at the top of the sidebar. */
.sidebar-examdate{flex-shrink:0;padding:12px 16px 0}
.ed-set-btn{
  width:100%;display:flex;align-items:center;justify-content:center;gap:7px;
  padding:9px;border-radius:var(--r);border:1px dashed var(--border2);
  background:transparent;color:var(--text2);font-size:12px;font-weight:600;cursor:pointer;
}
.ed-set-btn:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-glow)}
.ed-card{
  position:relative;display:flex;align-items:center;gap:10px;
  padding:11px 12px;border-radius:var(--r-lg);
  background:linear-gradient(135deg,rgba(79,70,229,.10),rgba(124,58,237,.06));
  border:1px solid var(--accent);
  cursor:pointer;
}
.ed-card:hover{filter:brightness(1.03)}
.ed-card::before{
  content:'';position:absolute;top:9px;right:9px;width:6px;height:6px;border-radius:50%;
  background:var(--green);animation:ai-pulse 1.6s ease-in-out infinite;
}
.ed-card .ed-num{font-family:var(--font-display);font-size:20px;font-weight:700;color:var(--accent);line-height:1}
.ed-card .ed-num-lbl{font-size:9px;color:var(--text3);text-transform:uppercase;letter-spacing:.05em}
.ed-card .ed-info{min-width:0;flex:1}
.ed-card .ed-title{font-size:11.5px;font-weight:700;color:var(--text)}
.ed-card .ed-date{font-size:10.5px;color:var(--text3);margin-top:1px}
.sidebar.compact .sidebar-examdate{padding:10px 0;display:flex!important;justify-content:center}
.sidebar.compact .ed-card{padding:8px;width:44px;justify-content:center}
.sidebar.compact .ed-card .ed-info,.sidebar.compact .ed-card .ed-num-lbl{display:none}
.sidebar.compact .ed-set-btn{width:44px;height:44px;padding:0}
.sidebar.compact .ed-set-btn span:last-child{display:none}
.sidebar-scroll{flex:1;min-height:0;overflow-y:auto}
.sidebar-foot{flex-shrink:0;padding-bottom:4px}
.sidebar-sec{margin-bottom:8px}
.sidebar-lbl{
  font-size:10px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:var(--text3);padding:0 16px 8px;
}
.sidebar-lbl-sub{
  padding-top:4px;color:var(--accent2);letter-spacing:.08em;
}
.dept-item{
  display:flex;align-items:center;gap:10px;
  padding:0 8px 0 16px;cursor:pointer;
  border-left:3px solid transparent;
  transition:all .15s;
}
.dept-item:hover{background:var(--bg3)}
.dept-item.active{background:var(--bg3);border-left-color:var(--accent)}
.dept-btn{
  display:flex;align-items:center;gap:10px;flex:1;min-width:0;
  padding:10px 0;
}
.dept-emoji{font-size:20px;flex-shrink:0;width:28px;text-align:center}
.dept-info{flex:1;min-width:0}
/* Two lines instead of "Marketing Mana…" — the name is what students scan for. */
.dept-name{font-size:13px;font-weight:500;line-height:1.3;overflow-wrap:anywhere}
.dept-meta{font-size:11px;color:var(--text3)}
.dept-count{
  font-size:11px;font-weight:600;padding:2px 7px;border-radius:20px;
  background:var(--bg4);color:var(--text3);flex-shrink:0;
}
.dept-item.active .dept-count{background:var(--accent-glow);color:var(--accent)}
.dept-chevron{
  flex-shrink:0;width:18px;height:18px;
  display:flex;align-items:center;justify-content:center;
  color:var(--text3);transition:transform .22s;
}
.dept-item.open .dept-chevron{transform:rotate(90deg)}
.dept-item.active .dept-chevron{color:var(--accent)}

/* ── compact icon-rail mode ──────────────────────────────────
   A second, denser collapse state alongside the full hide/show toggle:
   department browsing needs a list and doesn't fit a 76px rail, so it
   hides here — the mode buttons (which are just links to views) become an
   icon-only rail instead, same handlers, just no visible label. */
.sidebar.compact{align-items:center}
.sidebar.compact .sidebar-scroll,
.sidebar.compact .sb-head-text,
.sidebar.compact .sidebar-foot .sidebar-lbl,
.sidebar.compact .prem-text{display:none}
.sidebar.compact #sbHeadRow{justify-content:center;padding-right:0}
.sidebar.compact .sidebar-head{display:flex;justify-content:center;padding:16px 0 10px}
.sidebar.compact .quiz-mode-btns{padding:0 14px}
.sidebar.compact .mode-btn{justify-content:center;padding:12px;gap:0}
.sidebar.compact .mode-label,.sidebar.compact .mode-btn-badge{display:none}
.sidebar.compact .prem-sidebar-btn{width:44px;height:44px;margin:0 auto;padding:0;justify-content:center;border-radius:var(--r-lg)}
.sidebar.compact .prem-sidebar-btn svg{display:none}
.compact-toggle-btn{
  width:26px;height:26px;border-radius:8px;background:none;border:none;
  color:var(--text3);display:flex;align-items:center;justify-content:center;
  cursor:pointer;transition:all .15s;
}
.compact-toggle-btn:hover{background:var(--bg3);color:var(--text)}
.compact-toggle-btn.on{color:var(--accent)}

/* ── premium sidebar btn ─────────────────────────────────── */
.prem-sidebar-btn{
  display:flex;align-items:center;gap:10px;
  width:calc(100% - 24px);margin:0 12px;
  padding:11px 14px;border-radius:var(--r);
  background:var(--yellow2);
  border:1px solid color-mix(in srgb,var(--yellow) 35%,transparent);
  color:var(--yellow);font-size:13px;font-weight:600;cursor:pointer;
  transition:all .18s;text-align:left;
}
.prem-sidebar-btn:hover{
  background:linear-gradient(135deg,rgba(217,119,6,.25),rgba(240,180,41,.15));
  border-color:var(--yellow);
  box-shadow:0 2px 12px rgba(217,119,6,.2);
}
.prem-sidebar-btn .prem-icon{font-size:18px}
.prem-sidebar-btn .prem-text{flex:1;min-width:0}
.prem-sidebar-btn .prem-title{display:block;font-size:13px;font-weight:600}
.prem-sidebar-btn .prem-sub{display:block;font-size:10px;font-weight:400;opacity:.75;margin-top:1px}

.cat-list{padding:0 0 6px 44px;display:none}
.cat-list.open{display:block}
.cat-item{
  padding:6px 16px;font-size:12px;color:var(--text2);
  cursor:pointer;border-radius:6px;transition:all .15s;
  display:flex;align-items:center;justify-content:space-between;
}
.cat-item:hover{background:var(--bg3);color:var(--text)}
.cat-item.active{background:var(--accent-glow);color:var(--accent)}
.cat-q{font-size:11px;color:var(--text3)}

.sidebar-divider{height:1px;background:var(--border);margin:12px 16px}

.quiz-mode-btns{padding:0 12px;display:flex;flex-direction:column;gap:6px}
.mode-btn{
  display:flex;align-items:center;gap:10px;padding:11px 12px;
  border-radius:var(--r-lg);border:1px solid transparent;border-left:4px solid transparent;
  background:transparent;color:var(--text2);font-size:13px;font-weight:600;
  transition:all .15s;text-align:left;width:100%;
}
.mode-btn:hover{background:var(--bg3);color:var(--text)}
.mode-btn.active{background:var(--accent-glow);border-left-color:var(--accent);color:var(--accent);font-weight:700}
.mode-icon{font-size:17px;width:22px;text-align:center;flex-shrink:0}
.mode-label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mode-btn-badge{
  margin-left:auto;flex-shrink:0;font-size:9.5px;font-weight:700;letter-spacing:.03em;text-transform:uppercase;
  padding:2px 7px;border-radius:20px;background:var(--bg4);color:var(--text3);
}
.mode-btn.active .mode-btn-badge{background:var(--accent-glow);color:var(--accent)}

/* Gmail-Compose-style pill CTA for the single most common action — same
   startQuizPrompt('practice') handler, just given top billing, styled after
   the reference's indigo→purple "Start Exit Exam" button. */
.mode-btn-cta{
  background:var(--accent-grad);
  color:#fff;border:none;border-radius:var(--r-lg);
  padding:13px 16px;font-weight:700;box-shadow:0 6px 16px rgba(79,70,229,.28);
  margin-bottom:6px;border-left:none;justify-content:center;
}
.mode-btn-cta:hover{filter:brightness(1.06);color:#fff}
.mode-btn-cta .mode-icon{font-size:17px}
.mode-btn-cta.active{background:var(--accent-grad);color:#fff;border-left:none}

/* ── main ───────────────────────────────────────────────── */
.main{overflow-y:auto;display:flex;flex-direction:column;height:100%}

/* ── views ──────────────────────────────────────────────── */
.view{display:none}
.view.active{display:block}

/* ── home / welcome ─────────────────────────────────────── */
.stat-card{
  background:var(--bg2);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:16px 22px;text-align:center;min-width:100px;
}
.stat-card .val{font-family:var(--font-display);font-size:24px;font-weight:700;color:var(--accent)}
.stat-card .lbl{font-size:12px;color:var(--text2);margin-top:4px}

/* Hero greeting banner — dark indigo/purple gradient card matching the
   AcademiaExit reference's "Student Welcome Header"; wraps the existing
   greeting/date/stat-chip elements. */
.home-hero{
  background:linear-gradient(120deg,#0F172A 0%,#1E1B4B 55%,#0F172A 100%);
  border:1px solid rgba(129,140,248,.25);
  color:#fff;border-radius:var(--r-lg);padding:24px 28px;
  position:relative;overflow:hidden;box-shadow:0 8px 30px rgba(30,27,75,.35);
}
.home-hero::after{
  content:'';position:absolute;right:0;top:0;bottom:0;width:35%;
  background:linear-gradient(90deg,transparent,rgba(129,140,248,.14));
  pointer-events:none;
}
.home-hero h2{font-family:var(--font-display);color:#fff!important;position:relative;z-index:1}
.home-hero #homeDate{color:#C7D2FE!important;position:relative;z-index:1}
.home-hero-actions{display:flex;gap:8px;flex-wrap:wrap;position:relative;z-index:1}
.hh-btn{
  display:flex;align-items:center;gap:7px;padding:9px 16px;border-radius:var(--r-lg);
  font-size:12.5px;font-weight:700;border:none;cursor:pointer;transition:all .15s;white-space:nowrap;
}
.hh-btn-light{background:#fff;color:var(--accent2)}
.hh-btn-light:hover{background:#EEF2FF}
.hh-btn-ghost{background:rgba(129,140,248,.16);color:#C7D2FE;border:1px solid rgba(129,140,248,.35)}
.hh-btn-ghost:hover{background:rgba(129,140,248,.26)}

/* ── AcademiaExit-style dashboard main grid: gauge card + right column ── */
.dash-main-grid{display:grid;grid-template-columns:minmax(220px,300px) 1fr;gap:12px;align-items:stretch}
@media(max-width:860px){.dash-main-grid{grid-template-columns:1fr}}

.dash-gauge-card{
  background:var(--bg2);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:14px 16px;display:flex;flex-direction:column;box-shadow:var(--shadow);
  transition:border-color .15s,box-shadow .15s;
}
.dash-gauge-card:hover{border-color:var(--accent);box-shadow:0 4px 14px rgba(79,70,229,.12)}
.dash-gauge-more{
  display:flex;align-items:center;justify-content:center;gap:5px;
  margin-top:10px;padding-top:10px;border-top:1px solid var(--border);
  font-size:10.5px;font-weight:600;color:var(--accent);
}
.dash-gauge-hdr{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  font-size:10px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--text2);
}
.dash-gauge-badge{
  font-size:9px;font-weight:700;padding:2px 8px;border-radius:20px;
  background:var(--green2);color:var(--green);text-transform:none;letter-spacing:0;
}
.dash-gauge-body{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center}
.dg-ring{position:relative;margin:6px 0}
.dg-ring-val{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.dg-pct{font-family:var(--font-display);font-size:24px;font-weight:800;color:var(--text)}
.dg-verdict{font-size:10px;font-weight:700;margin-top:1px}
.dg-mini-row{display:grid;grid-template-columns:1fr 1fr;gap:6px;width:100%;margin-top:10px;padding-top:10px;border-top:1px solid var(--border)}
.dg-mini{background:var(--bg3);border-radius:10px;padding:7px 8px}
.dg-mini-lbl{font-size:8.5px;color:var(--text3);text-transform:uppercase;letter-spacing:.04em}
.dg-mini-val{font-size:11px;font-weight:700;color:var(--text);margin-top:1px}

.dash-right-col{display:flex;flex-direction:column;gap:12px}

.dash-next-card{
  background:linear-gradient(120deg,var(--accent-glow),rgba(124,58,237,.06));
  border:1px solid var(--accent);border-radius:var(--r-lg);
  padding:16px 20px;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
}
.dnc-lbl{font-size:9px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--accent)}
.dnc-title{font-size:12.5px;font-weight:700;color:var(--text);margin-top:2px}
.dnc-sub{font-size:10.5px;color:var(--text2);margin-top:2px}
.dnc-cta{
  flex-shrink:0;display:flex;align-items:center;gap:5px;padding:9px 16px;border-radius:var(--r);
  background:var(--accent-grad);color:#fff;font-size:11px;font-weight:700;border:none;cursor:pointer;
}
.dnc-cta:hover{filter:brightness(1.06)}

.dash-stats-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.dstat-card{
  background:var(--bg2);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:16px 18px;box-shadow:var(--shadow);cursor:pointer;transition:border-color .15s,box-shadow .15s;
}
.dstat-card:hover{border-color:var(--accent);box-shadow:0 4px 14px rgba(79,70,229,.12)}
.dstat-hdr{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.dstat-ic{font-size:15px}
.dstat-badge{font-size:8px;font-weight:700;letter-spacing:.02em;padding:2px 7px;border-radius:20px;white-space:nowrap}
.dstat-val{font-family:var(--font-display);font-size:17px;font-weight:800;color:var(--text)}
.dstat-lbl{font-size:9.5px;color:var(--text2);margin-top:2px}

/* ── Recent Assessment Results table — lives in My Progress' History tab,
   reached from Home via the Overall Exit Readiness gauge ──────────────── */
.dash-results-card{
  background:var(--bg2);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:20px 22px;box-shadow:var(--shadow);
}
.dash-results-hdr{
  display:flex;align-items:flex-start;justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding-bottom:14px;margin-bottom:6px;border-bottom:1px solid var(--border);
}
.dash-results-hdr h3{font-size:15px;font-weight:700;color:var(--text)}
.dash-results-hdr p{font-size:11.5px;color:var(--text3);margin-top:2px}
.dash-results-filters{display:flex;gap:8px;flex-wrap:wrap}
.dr-search{position:relative}
.dr-search .material-symbols-outlined{position:absolute;left:9px;top:50%;transform:translateY(-50%);color:var(--text3)}
.dr-search input{
  padding:7px 12px 7px 30px;border-radius:var(--r);border:1px solid var(--border);
  background:var(--bg3);color:var(--text);font-size:12.5px;font-family:inherit;outline:none;width:160px;
}
.dr-search input:focus{border-color:var(--accent)}
.dr-select{
  padding:7px 10px;border-radius:var(--r);border:1px solid var(--border);
  background:var(--bg3);color:var(--text);font-size:12.5px;font-family:inherit;outline:none;cursor:pointer;
}
.dash-results-table-wrap{overflow-x:auto}
.dash-results-table{width:100%;border-collapse:collapse;font-size:12.5px}
.dash-results-table thead th{
  text-align:left;padding:10px 12px;font-size:10px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;
  color:var(--text3);border-bottom:1px solid var(--border);white-space:nowrap;
}
.dash-results-table tbody td{padding:12px;border-bottom:1px solid var(--border);vertical-align:middle}
.dash-results-table tbody tr:last-child td{border-bottom:none}
.dash-results-table tbody tr:hover{background:var(--bg3)}
.dr-title{font-weight:600;color:var(--text)}
.dr-muted{color:var(--text2);white-space:nowrap}
.dr-status{
  display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:20px;
  font-size:11px;font-weight:700;white-space:nowrap;
}
.dr-status.ok{background:var(--green2);color:var(--green)}
.dr-status.warn{background:var(--yellow2);color:var(--yellow)}
.dr-icon-btn{
  background:none;border:none;color:var(--text3);cursor:pointer;padding:5px;border-radius:7px;
  display:inline-flex;align-items:center;justify-content:center;transition:all .15s;
}
.dr-icon-btn:hover{background:var(--accent-glow);color:var(--accent)}
@media(max-width:640px){
  .dr-search input{width:120px}
}

/* ── home dashboard — Community Discussion widget still uses these ── */
.hw-widget{
  background:var(--bg2);border:1px solid var(--border);border-radius:18px;
  overflow:hidden;display:flex;flex-direction:column;
  transition:box-shadow .15s,border-color .15s;min-height:0;
}
.hw-widget:hover{box-shadow:var(--shadow);border-color:var(--border2)}
.hw-hdr{
  display:flex;align-items:center;gap:9px;
  padding:12px 14px 11px;border-bottom:1px solid var(--border);flex-shrink:0;
}
.hw-icon{
  width:28px;height:28px;border-radius:7px;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;background:var(--green2);flex-shrink:0;
}
.hw-icon-accent{background:var(--accent-glow)}
.hw-title{font-size:14px;font-weight:700;color:var(--text);flex:1}
.hw-body{padding:14px 16px;flex:1;overflow:hidden}

/* ── dept landing grid ──────────────────────────────────── */
.dept-landing-hdr{
  padding:24px 24px 16px;
  display:flex;align-items:flex-start;justify-content:space-between;
  flex-wrap:wrap;gap:12px;
  border-bottom:1px solid var(--border);
  position:sticky;top:0;z-index:10;
  background:var(--bg);
}
.dept-landing-hdr h2{font-size:20px;font-weight:700}
.dept-landing-hdr p{font-size:13px;color:var(--text2);margin-top:3px}
.dept-cards-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(185px,1fr));
  gap:14px;
  padding:20px 24px 40px;
}
/* ── Year / category chips in toolbar ───────────────────── */
.year-chip{
  display:inline-flex;align-items:center;gap:4px;
  padding:4px 11px;border-radius:20px;border:1px solid var(--border);
  background:var(--bg3);cursor:pointer;font-size:12px;font-weight:600;
  color:var(--text2);white-space:nowrap;
  transition:background .12s,border-color .12s,color .12s;
}
.year-chip:hover{background:var(--green2);border-color:var(--accent);color:var(--accent)}
.year-chip.active{background:var(--accent);border-color:var(--accent);color:var(--accent-ink,#fff)}
.year-chip .yc-count{font-size:10px;font-weight:400;opacity:.8}
/* ── Comment section ────────────────────────────────────── */
.cmt-card{background:var(--bg2);border:1px solid var(--border);border-radius:12px;padding:14px 16px}
.cmt-avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent2));display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;color:#fff;flex-shrink:0}
.cmt-reply-card{background:var(--bg3);border:1px solid var(--border);border-radius:10px;padding:10px 12px;margin-top:8px}
/* ── Upload Modal ───────────────────────────────────────── */
@media(min-width:601px){
  .upload-modal-bg{align-items:center !important}
  .upload-modal-bg > div{border-radius:16px !important;max-width:520px}
}
/* ── Chatbot ─────────────────────────────────────────────── */
.chat-bubble{padding:9px 13px;border-radius:14px;font-size:13px;line-height:1.5;max-width:88%;word-break:break-word}
.chat-bot{background:var(--bg3);border:1px solid var(--border);color:var(--text);align-self:flex-start;border-bottom-left-radius:4px}
.chat-user{background:var(--accent);color:var(--accent-ink,#fff);align-self:flex-end;border-bottom-right-radius:4px}
.chat-typing{color:var(--text3);font-style:italic;font-size:12px;align-self:flex-start}
.dept-card{
  background:var(--bg2);border:1px solid var(--border);
  border-radius:var(--r-lg);padding:18px 16px;
  cursor:pointer;transition:all .18s;
  display:flex;flex-direction:column;gap:6px;
  position:relative;
}
.dept-card:hover{
  border-color:var(--border2);
  box-shadow:var(--shadow);
  transform:translateY(-2px);
}
.dept-card.active-dept{
  border-color:var(--accent);
  background:var(--accent-glow);
}
.dc-emoji{font-size:36px;margin-bottom:4px;line-height:1}
.dc-name{font-size:14px;font-weight:600;color:var(--text);line-height:1.3}
.dc-meta{font-size:11px;color:var(--text3);margin-top:2px}
.dc-count{
  font-size:26px;font-weight:700;color:var(--accent);
  margin-top:auto;padding-top:10px;
}
.dc-count span{font-size:12px;font-weight:400;color:var(--text3)}
.dc-arrow{
  position:absolute;top:12px;right:12px;
  width:22px;height:22px;border-radius:50%;
  background:var(--bg3);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  color:var(--text3);font-size:11px;transition:all .18s;
}
.dept-card:hover .dc-arrow{background:var(--accent-glow);border-color:var(--accent);color:var(--accent)}
.dept-card.active-dept .dc-arrow{background:var(--accent);border-color:var(--accent);color:var(--accent-ink,#fff)}

/* ── expanded dept card (signed-in home view) ─────────────── */
.dept-card-expanded{
  background:var(--bg2);border:1px solid var(--border);
  border-radius:var(--r-lg);overflow:hidden;
  transition:box-shadow .18s;
  grid-column: 1 / -1; /* full width */
}
.dept-card-expanded:hover{box-shadow:var(--shadow)}
.dce-header{
  display:flex;align-items:center;gap:14px;
  padding:16px 20px;cursor:pointer;
  border-bottom:1px solid var(--border);
  transition:background .15s;
}
.dce-header:hover{background:var(--bg3)}
.dce-browse-btn{
  flex-shrink:0;font-size:12px;font-weight:600;
  color:var(--accent2);padding:5px 12px;
  border:1px solid rgba(5,150,105,.3);border-radius:20px;
  white-space:nowrap;transition:all .15s;
}
.dce-header:hover .dce-browse-btn{background:var(--accent2);color:var(--accent-ink,#fff);border-color:var(--accent2)}
.dce-cats{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(200px,1fr));
  gap:0;
}
.dce-cat-item{
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 20px;cursor:pointer;
  border-right:1px solid var(--border);
  border-bottom:1px solid var(--border);
  transition:background .15s;gap:8px;
}
.dce-cat-item:hover{background:var(--accent-glow)}
.dce-cat-name{font-size:13px;font-weight:500;color:var(--text);flex:1;min-width:0}
.dce-cat-count{
  font-size:11px;font-weight:700;color:var(--accent2);
  background:var(--green2);padding:2px 8px;border-radius:10px;
  white-space:nowrap;flex-shrink:0;
}
.dce-cat-loading{
  padding:16px 20px;font-size:13px;color:var(--text3);
  grid-column:1/-1;
}
/* switch to normal grid layout in expanded view */
.dept-cards-grid:has(.dept-card-expanded){
  grid-template-columns:1fr;
}

/* ── browse questions ────────────────────────────────────── */
.dept-widget-card{
  margin:20px 24px 0;
  background:var(--bg2);border:1px solid var(--border);
  border-radius:var(--r-lg);padding:20px 22px;
  box-shadow:var(--shadow);
}
.content-hdr{
  padding:20px 24px 0;display:flex;align-items:flex-start;
  justify-content:space-between;gap:12px;flex-wrap:wrap;
}
.content-title{font-size:20px;font-weight:700}
.content-sub{font-size:13px;color:var(--text2);margin-top:3px}
.toolbar{
  padding:14px 24px;display:flex;align-items:center;
  gap:10px;flex-wrap:wrap;border-bottom:1px solid var(--border);
}

/* Comment composer. The right padding reserves the corner the chat FAB
   occupies, so Post is never sitting underneath it. */
.cmt-actions{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding-right:64px;
}
.cmt-post{
  padding:7px 18px;background:var(--accent);color:var(--accent-ink,#fff);border:none;
  border-radius:8px;font-size:12px;font-weight:600;cursor:pointer;
  font-family:inherit;flex-shrink:0;
}
.cmt-post:hover{filter:brightness(1.1)}
.toolbar-left{display:flex;align-items:center;gap:8px;flex:1;flex-wrap:wrap}
.pill{
  padding:5px 12px;border-radius:20px;font-size:12px;font-weight:500;
  border:1px solid var(--border);background:transparent;color:var(--text2);
  cursor:pointer;transition:all .15s;
}
.pill:hover{background:var(--bg3);color:var(--text)}
.pill.on{background:var(--accent-glow);border-color:var(--accent);color:var(--accent)}
.count-badge{
  font-size:12px;font-weight:600;padding:4px 10px;border-radius:20px;
  background:var(--blue2);color:var(--blue);border:1px solid rgba(86,180,245,.25);
}
.toolbar-right{display:flex;align-items:center;gap:6px}

@media(max-width:640px){
  /* One scrolling row of filters, pagination underneath — four chips on four
     lines used most of the first screen before any question appeared. */
  .toolbar-left{
    flex-wrap:nowrap;overflow-x:auto;overscroll-behavior-x:contain;
    -webkit-overflow-scrolling:touch;scrollbar-width:none;
    width:100%;flex:0 0 auto;padding-bottom:2px;
  }
  .toolbar-left::-webkit-scrollbar{display:none}
  .toolbar-left > *{flex-shrink:0}
  .toolbar-right{width:100%;justify-content:space-between}
  .cmt-actions{padding-right:56px}
}

/* question cards */
.q-list{padding:16px 24px 40px;display:flex;flex-direction:column;gap:12px}
.qc{
  background:var(--bg2);border:1px solid var(--border);
  border-radius:var(--r-lg);overflow:hidden;
  transition:border-color .2s;
}
.qc:hover{border-color:var(--border2)}
.qc-head{
  padding:16px 18px;display:flex;align-items:flex-start;
  gap:12px;cursor:pointer;
}
.qc-num{
  flex-shrink:0;width:34px;height:34px;border-radius:8px;
  background:var(--bg3);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:600;color:var(--text3);
  font-family:'JetBrains Mono',monospace;
}
.qc-body-wrap{flex:1;min-width:0}
.qc-tags{display:flex;align-items:center;gap:6px;margin-bottom:6px;flex-wrap:wrap}
.tag{
  padding:2px 8px;border-radius:4px;font-size:11px;font-weight:500;
  border:1px solid;display:inline-flex;align-items:center;gap:4px;
}
.tag-cat{background:var(--blue2);color:var(--blue);border-color:rgba(86,180,245,.25)}
.tag-free{background:var(--green2);color:var(--green);border-color:rgba(76,175,130,.25)}
.tag-premium{background:var(--yellow2);color:var(--yellow);border-color:rgba(240,180,41,.25)}
/* Course badge — deliberately quieter than Free/Premium, which carry the
   access decision; the course is reference information. */
.tag-course{background:var(--blue2);color:var(--blue);border-color:rgba(86,180,245,.25);
            max-width:230px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.qc-text{font-size:14px;font-weight:500;color:var(--text);line-height:1.5}
.qc-chevron{
  flex-shrink:0;width:26px;height:26px;border-radius:6px;
  background:transparent;border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  color:var(--text3);margin-top:4px;transition:all .2s;
}
.qc.open .qc-chevron{transform:rotate(180deg);background:var(--bg3)}
.q-star-badge{
  position:absolute;bottom:8px;right:14px;
  display:flex;align-items:center;gap:3px;
  font-size:11px;font-weight:600;color:var(--text3);
  pointer-events:none;user-select:none;
}
.q-star-badge .stars-ico{font-size:10px;letter-spacing:0}
.q-star-badge span{color:var(--text2)}
.stars-ico{font-style:normal;letter-spacing:1px}
.qc-body{display:none;padding:0 18px 16px;border-top:1px solid var(--border)}
.qc.open .qc-body{display:block}
.opts{padding:14px 0 0;display:flex;flex-direction:column;gap:7px}
.opt{
  display:flex;align-items:flex-start;gap:10px;
  padding:10px 13px;border-radius:var(--r);
  border:1px solid var(--border);background:var(--bg3);
  cursor:pointer;transition:all .15s;
}
.opt:hover{border-color:var(--border2);background:var(--bg4)}
.opt.sel{border-color:var(--accent);background:var(--accent-glow)}
.opt.ok{border-color:var(--green)!important;background:var(--green2)!important}
.opt.bad{border-color:var(--red)!important;background:var(--red2)!important}
.opt.show-ok{border-color:var(--green)!important;background:rgba(76,175,130,.06)!important;opacity:.75}
.opt-lbl{
  flex-shrink:0;width:26px;height:26px;border-radius:6px;
  background:var(--bg4);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  font-size:11px;font-weight:700;color:var(--text3);
  font-family:'JetBrains Mono',monospace;transition:all .15s;
}
.opt.sel .opt-lbl{background:var(--accent-glow);border-color:var(--accent);color:var(--accent)}
.opt.ok  .opt-lbl{background:var(--green2);border-color:var(--green);color:var(--green)}
.opt.bad .opt-lbl{background:var(--red2);border-color:var(--red);color:var(--red)}
.opt.show-ok .opt-lbl{background:rgba(76,175,130,.15);border-color:var(--green);color:var(--green)}
.opt-txt{font-size:14px;color:var(--text);line-height:1.5;flex:1}
.opt-ico{margin-left:auto;flex-shrink:0;padding-top:2px;font-size:15px}
.q-result{
  display:none;padding:11px 13px;border-radius:var(--r);margin-top:10px;
  font-size:13px;font-weight:500;
}
.q-result.ok{background:var(--green2);border:1px solid rgba(76,175,130,.3);color:var(--green)}
.q-result.bad{background:var(--red2);border:1px solid rgba(240,90,90,.3);color:var(--red)}
.q-exp{
  display:none;margin-top:10px;padding:13px;border-radius:var(--r);
  background:var(--bg);border:1px solid var(--border);
  font-size:13px;color:var(--text2);line-height:1.6;
}
.q-exp.show{display:block}
.q-exp strong{color:var(--text);display:block;margin-bottom:4px}
.q-actions{display:flex;align-items:center;gap:8px;margin-top:12px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 18px;border-radius:var(--r);font-size:13.5px;
  font-weight:600;border:none;transition:all .15s;
}
.btn:hover{opacity:.88}
.btn-primary{background:var(--accent2);color:var(--accent-ink,#fff)}
.btn-ghost{background:transparent;border:1px solid var(--border);color:var(--text2)}
.btn-ghost:hover{background:var(--bg3);opacity:1}
.btn-danger{background:transparent;border:1px solid rgba(240,90,90,.35);color:var(--red)}
.btn-danger:hover{background:var(--red2);opacity:1}
.btn-bm{background:transparent;border:1px solid var(--border);color:var(--text3)}
.btn-bm.on{border-color:var(--yellow);color:var(--yellow);background:var(--yellow2)}

/* ── Study Materials ────────────────────────────────────── */
.books-hdr{display:flex;align-items:flex-start;justify-content:space-between;padding:20px 24px 0;gap:12px}
.books-hdr-left{min-width:0}
.books-title{font-size:20px;font-weight:700;color:var(--text);line-height:1.2}
.books-sub{font-size:13px;color:var(--text3);margin-top:3px}
.books-upload-btn{flex-shrink:0;font-size:13px;padding:8px 16px}
.books-tabs-wrap{padding:14px 24px 0;border-bottom:1px solid var(--border);margin-bottom:0}
.books-tabs{display:flex;gap:6px;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;padding-bottom:0}
.books-tabs::-webkit-scrollbar{display:none}
.books-tab{padding:7px 16px 9px;border-radius:8px 8px 0 0;border:1px solid transparent;border-bottom:none;background:none;color:var(--text2);font-size:13px;cursor:pointer;font-family:inherit;font-weight:500;white-space:nowrap;transition:all .15s;position:relative;bottom:-1px}
.books-tab:hover{color:var(--text);background:var(--bg3)}
.books-tab.active{background:var(--bg);border-color:var(--border);color:var(--accent);font-weight:600}
.mat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:14px;padding:20px 24px 80px}
.mat-grid.grouped{display:block;padding:20px 24px 80px}
.course-group{margin-bottom:6px}
.course-group-hdr{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 0 8px;border-bottom:1px solid var(--border);margin-bottom:14px}
.course-group-name{font-weight:700;font-size:15px;color:var(--text);display:flex;align-items:center;gap:7px;min-width:0}
.course-group-name span.cg-label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.course-group-count{font-size:11px;font-weight:600;color:var(--text3);background:var(--bg3);border:1px solid var(--border);padding:2px 9px;border-radius:20px;white-space:nowrap;flex-shrink:0}
.course-group-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:14px;margin-bottom:26px}
.mat-card{background:var(--bg2);border:1px solid var(--border);border-radius:12px;padding:16px 14px;display:flex;flex-direction:column;gap:8px;cursor:pointer;transition:border-color .15s,box-shadow .15s,transform .12s}
.mat-card:hover{border-color:var(--accent);box-shadow:0 4px 18px rgba(0,0,0,.1);transform:translateY(-2px)}
.mat-card:active{transform:translateY(0)}
.mat-card-icon{display:flex;align-items:center;line-height:1}.mat-card-icon svg{width:36px;height:46px;flex-shrink:0;filter:drop-shadow(0 2px 4px rgba(220,38,38,.2))}
.mat-card-title{font-weight:600;font-size:14px;line-height:1.35;color:var(--text);overflow-wrap:anywhere;word-break:break-word;min-width:0}
.mat-card-desc{font-size:12px;color:var(--text2);flex:1;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mat-card-meta{font-size:11px;color:var(--text3);margin-top:2px;display:flex;gap:6px;align-items:center}
.mat-card-meta::before{content:'';display:inline-block;width:5px;height:5px;border-radius:50%;background:#dc2626;flex-shrink:0}
@media(max-width:640px){
  .books-hdr{padding:14px 12px 0}
  .books-title{font-size:17px}
  .books-tabs-wrap{padding:10px 12px 0}
  .mat-grid{grid-template-columns:1fr 1fr;gap:10px;padding:14px 12px 80px}
  .mat-grid.grouped{padding:14px 12px 80px}
  .course-group-grid{grid-template-columns:1fr 1fr;gap:10px;margin-bottom:20px}
  .course-group-hdr{padding:8px 0 6px;margin-bottom:10px}
  .course-group-name{font-size:14px}
  .mat-card{padding:12px 10px}
  .mat-card-icon svg{width:30px;height:38px}
  .mat-card-title{font-size:13px}
}
/* PDF Reader overlay */
.pdf-overlay{position:fixed;inset:0;background:#000a;z-index:200;display:flex;flex-direction:column}
.pdf-overlay-hdr{display:flex;align-items:center;justify-content:space-between;background:var(--bg2);border-bottom:1px solid var(--border);padding:10px 16px;gap:12px;flex-shrink:0}
.pdf-overlay-title{font-weight:600;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:60vw}
.pdf-viewer-wrap{flex:1;overflow-y:auto;background:#525659;display:flex;flex-direction:column;align-items:center;padding:16px 8px;gap:12px}
.pdf-viewer-wrap canvas{box-shadow:0 4px 20px rgba(0,0,0,.5);max-width:100%}
.pdf-nav{display:flex;align-items:center;gap:10px;background:var(--bg2);border-top:1px solid var(--border);padding:8px 16px;flex-shrink:0;justify-content:center}
.pdf-nav span{font-size:13px;color:var(--text2);min-width:90px;text-align:center}

/* ── pagination ─────────────────────────────────────────── */
.pgn{display:flex;align-items:center;gap:5px}
.pgn-btn{
  width:32px;height:32px;border-radius:7px;border:1px solid var(--border);
  background:transparent;color:var(--text2);font-size:13px;
  display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .15s;
}
.pgn-btn:hover{background:var(--bg3);color:var(--text)}
.pgn-btn.on{background:var(--accent2);border-color:var(--accent);color:var(--accent-ink,#fff)}
.pgn-btn:disabled{opacity:.3;cursor:not-allowed}
.page-size-sel{height:32px;padding:0 8px;border:1px solid var(--border);border-radius:8px;background:var(--bg2);color:var(--text);font-size:13px;cursor:pointer;outline:none}
.page-size-sel:focus{border-color:var(--accent)}

/* ── Quiz mode ──────────────────────────────────────────────
   Quick Quiz now shares Mock Exam's nav-sidebar shell (.exam-shell/.exam-body/
   .exam-nav-card etc, see below) — #viewQuiz just needs the same scrolling
   container behavior #viewExam uses, not its own flex/active toggle. */
#viewQuiz{overflow-y:auto;height:100%}
.quiz-feedback{
  margin-top:10px;padding:9px 12px;border-radius:var(--r);
  font-size:13px;font-weight:500;display:none;
}
.quiz-feedback.ok{background:var(--green2);border:1px solid rgba(76,175,130,.3);color:var(--green)}
.quiz-feedback.bad{background:var(--red2);border:1px solid rgba(240,90,90,.3);color:var(--red)}
.quiz-exp{
  margin-top:8px;padding:10px 12px;border-radius:var(--r);
  background:var(--bg);border:1px solid var(--border);
  font-size:12.5px;color:var(--text2);line-height:1.5;display:none;
}
.quiz-exp strong{color:var(--text);display:block;margin-bottom:3px}
/* Submit and Next occupy the same box despite different label widths, so the
   action button's left edge never shifts. */
#quizSubmitBtn,#quizNextBtn{min-width:152px;justify-content:center}

/* ── Mock Exam — Question Navigator interface ────────────────
   Distinct from Quick Quiz's single-card immediate-feedback flow: free
   navigation between questions, nothing revealed until Submit Entire Exam. */
#viewExam{overflow-y:auto;height:100%}
.exam-shell{padding:20px 24px 40px;display:flex;flex-direction:column;gap:18px;max-width:1400px;margin:0 auto;width:100%}
.exam-topbar{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;flex-wrap:wrap}
.exam-topbar-tags{display:flex;align-items:center;gap:10px;margin-bottom:6px}
.exam-dept-badge{font-size:10.5px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--accent);background:var(--accent-glow);padding:4px 10px;border-radius:20px}
.exam-topbar-sub{font-size:12px;color:var(--text3)}
.exam-title{font-family:var(--font-display);font-size:22px;font-weight:800;color:var(--text)}
.exam-topbar-right{display:flex;align-items:center;gap:10px}
.exam-timer{display:flex;align-items:center;gap:6px;padding:9px 14px;border-radius:var(--r);background:var(--bg2);border:1px solid var(--border);font-family:var(--font-display);font-weight:700;font-size:14px;color:var(--accent)}
.exam-timer.warn{color:var(--red);border-color:var(--red)}
.exam-end-btn{padding:10px 18px;border-radius:var(--r);background:var(--red2);color:var(--red);border:1px solid var(--red);font-size:13px;font-weight:700;cursor:pointer;transition:all .15s;font-family:inherit}
.exam-end-btn:hover{background:var(--red);color:#fff}

.exam-body{display:grid;grid-template-columns:280px 1fr;gap:18px;align-items:start}
@media(max-width:860px){.exam-body{grid-template-columns:1fr}}

.exam-nav-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--r-lg);padding:16px;position:sticky;top:16px}
.exam-nav-hdr{display:flex;align-items:center;justify-content:space-between;font-size:11px;font-weight:700;letter-spacing:.04em;color:var(--text3);text-transform:uppercase;margin-bottom:10px;gap:8px}
.exam-nav-progress{color:var(--accent);text-transform:none;white-space:nowrap}
.exam-nav-legend{display:grid;grid-template-columns:1fr 1fr;gap:6px 10px;font-size:11px;color:var(--text2);margin-bottom:14px}
.exam-nav-legend span{display:flex;align-items:center;gap:6px}
.exam-dot{width:9px;height:9px;border-radius:50%;flex-shrink:0;display:inline-block}
.exam-dot.answered{background:var(--accent)}
.exam-dot.flagged{background:var(--yellow)}
.exam-dot.current{border:2px solid var(--accent);background:transparent}
.exam-dot.unanswered{border:2px solid var(--border2);background:transparent}
.exam-nav-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:7px;margin-bottom:16px}
.exam-nav-btn{
  aspect-ratio:1;border-radius:10px;border:1px solid var(--border);background:var(--bg3);
  color:var(--text2);font-size:12.5px;font-weight:700;cursor:pointer;transition:all .15s;position:relative;
  display:flex;align-items:center;justify-content:center;font-family:inherit;
}
.exam-nav-btn:hover{border-color:var(--accent)}
.exam-nav-btn.answered{background:var(--accent);color:#fff;border-color:var(--accent)}
.exam-nav-btn.current{border:2px solid var(--accent);box-shadow:0 0 0 2px var(--accent-glow)}
.exam-nav-btn.flagged::after{content:'';position:absolute;top:-3px;right:-3px;width:8px;height:8px;border-radius:50%;background:var(--yellow);border:1.5px solid var(--bg2)}
.exam-submit-btn{width:100%;padding:12px;border-radius:var(--r-lg);background:var(--accent-grad);color:#fff;border:none;font-size:13.5px;font-weight:700;cursor:pointer;box-shadow:0 6px 16px rgba(79,70,229,.28);font-family:inherit}
.exam-submit-btn:hover{filter:brightness(1.06)}

.exam-qcard{background:var(--bg2);border:1px solid var(--border);border-radius:var(--r-lg);padding:22px 24px;min-height:420px;display:flex;flex-direction:column}
.exam-qcard-hdr{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.exam-qcard-tags{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.exam-tag{font-size:10.5px;font-weight:700;letter-spacing:.03em;text-transform:uppercase;color:var(--accent);background:var(--accent-glow);padding:4px 10px;border-radius:8px}
.exam-qcount{font-size:12px;color:var(--text3)}
.exam-qcard-actions{display:flex;align-items:center;gap:8px}
.exam-marks{font-size:11px;font-weight:600;color:var(--text2);background:var(--bg3);border:1px solid var(--border);padding:4px 10px;border-radius:8px}
.exam-flag-btn{display:flex;align-items:center;gap:5px;padding:6px 12px;border-radius:8px;background:var(--bg3);border:1px solid var(--border);color:var(--text2);font-size:12px;font-weight:600;cursor:pointer;transition:all .15s;font-family:inherit}
.exam-flag-btn:hover{border-color:var(--yellow);color:var(--yellow)}
.exam-flag-btn.on{background:var(--yellow2);border-color:var(--yellow);color:var(--yellow)}
.exam-qtxt{font-size:19px;font-weight:600;color:var(--text);line-height:1.5;margin-bottom:20px}
.exam-opts{display:flex;flex-direction:column;gap:10px;flex:1}
.exam-opt{
  display:flex;align-items:center;gap:14px;padding:14px 16px;border-radius:var(--r-lg);
  border:1.5px solid var(--border);background:var(--bg3);cursor:pointer;transition:all .15s;
}
.exam-opt:hover{border-color:var(--accent);background:var(--accent-glow)}
.exam-opt.sel{border-color:var(--accent);background:var(--accent-glow)}
.exam-opt-lbl{
  width:30px;height:30px;border-radius:50%;flex-shrink:0;
  background:var(--bg4);color:var(--text2);font-size:13px;font-weight:700;
  display:flex;align-items:center;justify-content:center;transition:all .15s;
}
.exam-opt.sel .exam-opt-lbl{background:var(--accent);color:#fff}
.exam-opt-txt{font-size:14.5px;color:var(--text);line-height:1.4}
/* Correctness reveal — only ever applied in Quick Quiz's nav flow; Mock Exam
   never adds these classes, so its options stay .sel-only as before. */
.exam-opt.ok{border-color:var(--green)!important;background:var(--green2)!important}
.exam-opt.bad{border-color:var(--red)!important;background:var(--red2)!important}
.exam-opt.show-ok{border-color:var(--green)!important;background:rgba(76,175,130,.06)!important}
.exam-opt.ok  .exam-opt-lbl{background:var(--green);color:#fff}
.exam-opt.bad .exam-opt-lbl{background:var(--red);color:#fff}
.exam-opt.show-ok .exam-opt-lbl{background:var(--green);color:#fff}
.exam-footer{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:22px;padding-top:18px;border-top:1px solid var(--border)}
.exam-clear-btn{background:none;border:none;color:var(--text3);font-size:12.5px;font-weight:600;cursor:pointer;font-family:inherit}
.exam-clear-btn:hover:not(:disabled){color:var(--text)}
.exam-clear-btn:disabled{opacity:.4;cursor:default}

/* ── Results screen ─────────────────────────────────────── */
#viewResults{
  height:calc(100vh - 60px);display:none;
  flex-direction:column;align-items:center;
  padding:0;text-align:center;overflow:hidden;
}
#viewResults.active{display:flex}
/* results: sidebar + main layout */
#viewResults{flex-direction:row!important;align-items:stretch}
.results-sidebar{width:200px;flex-shrink:0;display:flex;flex-direction:column;align-items:center;gap:12px;padding:20px 14px;border-right:1px solid var(--border);background:var(--bg2)}
.results-sidebar .result-circle{margin:0}
.results-sidebar .result-title{font-size:15px;text-align:center}
.results-sidebar .result-sub{font-size:12px;color:var(--text2);text-align:center}
.results-sidebar .result-stats{flex-direction:column;gap:6px;width:100%;margin:0}
.results-sidebar .rs-card{min-width:unset;width:100%;padding:7px 10px;display:flex;align-items:center;justify-content:space-between;flex-direction:row;gap:8px}
.results-sidebar .rs-val{font-size:16px}
.results-sidebar .rs-lbl{font-size:12px;margin:0}
.results-sidebar-actions{display:flex;flex-direction:column;gap:8px;width:100%;margin-top:auto}
.results-sidebar-actions .btn{width:100%;justify-content:center;padding:9px 12px;font-size:13px}
.results-main{flex:1;min-width:0;display:flex;flex-direction:column;overflow:hidden}
.results-scroll{flex:1;min-height:0;overflow-y:auto;width:100%;display:flex;flex-direction:column;padding:10px 16px}
.results-actions{display:none}
@media(max-width:600px){
  #viewResults{flex-direction:column!important}
  .results-sidebar{width:100%;flex-direction:row;flex-wrap:wrap;justify-content:center;border-right:none;border-bottom:1px solid var(--border);padding:12px 16px;gap:10px}
  .results-sidebar .result-stats{flex-direction:row;width:auto}
  .results-sidebar .rs-card{flex-direction:column;min-width:60px;width:auto}
  .results-sidebar-actions{flex-direction:row;width:auto;margin-top:0}
  .results-sidebar-actions .btn{width:auto}
  .results-main{min-height:0}
}
.result-circle{
  width:90px;height:90px;border-radius:50%;
  border:5px solid var(--accent);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  margin:0 auto 12px;background:var(--accent-glow);flex-shrink:0;
}
.result-pct{font-size:26px;font-weight:700;color:var(--accent)}
.result-label{font-size:11px;color:var(--text3);margin-top:1px}
.result-title{font-size:18px;font-weight:700;margin-bottom:4px}
.result-sub{font-size:13px;color:var(--text2);margin-bottom:10px}
.result-stats{display:flex;gap:8px;justify-content:center;margin-bottom:0;flex-wrap:wrap}
.rs-card{
  background:var(--bg2);border:1px solid var(--border);border-radius:var(--r);
  padding:8px 14px;min-width:70px;text-align:center;
}
.rs-val{font-size:18px;font-weight:700}
.rs-lbl{font-size:11px;color:var(--text2);margin-top:1px}
.rs-card.green .rs-val{color:var(--green)}
.rs-card.red   .rs-val{color:var(--red)}
.rs-card.blue  .rs-val{color:var(--blue)}
.review-list{width:100%;text-align:left;margin-bottom:8px}
.rv-item{
  background:var(--bg2);border:1px solid var(--border);
  border-radius:var(--r);padding:10px 12px;margin-bottom:6px;
}
.rv-item.correct{border-left:3px solid var(--green)}
.rv-item.wrong{border-left:3px solid var(--red)}
.rv-qtxt{font-size:14px;font-weight:500;margin-bottom:8px}
.rv-ans{font-size:13px}
.rv-correct{color:var(--green)}
.rv-wrong{color:var(--red)}
.rv-exp{font-size:12px;color:var(--text2);margin-top:6px;padding-top:6px;border-top:1px solid var(--border)}

/* ── Leaderboard ────────────────────────────────────────── */
.lb-tabs{display:flex;gap:8px;padding:16px 24px 0;flex-wrap:wrap}
.lb-tab{
  padding:7px 16px;border-radius:var(--r);font-size:13px;font-weight:500;
  border:1px solid var(--border);background:transparent;color:var(--text2);cursor:pointer;
  transition:all .15s;
}
.lb-tab.on{background:var(--accent-glow);border-color:var(--accent);color:var(--accent)}
.lb-table{padding:16px 24px 40px}
.lb-row{
  display:flex;align-items:center;gap:12px;
  padding:12px 16px;border-radius:var(--r);
  background:var(--bg2);border:1px solid var(--border);margin-bottom:6px;
  transition:border-color .15s;
}
.lb-row:hover{border-color:var(--border2)}
.lb-rank{
  width:32px;height:32px;border-radius:8px;
  background:var(--bg3);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;color:var(--text3);flex-shrink:0;
  font-family:'JetBrains Mono',monospace;
}
.lb-rank.gold{background:rgba(240,180,41,.15);border-color:var(--yellow);color:var(--yellow)}
.lb-rank.silver{background:rgba(189,189,189,.12);border-color:#bdbdbd;color:#bdbdbd}
.lb-rank.bronze{background:rgba(205,127,50,.12);border-color:#cd7f32;color:#cd7f32}
.lb-name{flex:1;font-size:14px;font-weight:500;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.lb-score{font-size:14px;font-weight:700;color:var(--accent);white-space:nowrap;flex-shrink:0}

/* ── Progress ───────────────────────────────────────────── */
.prog-stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:16px}
.prog-stat{background:var(--bg2);border:1px solid var(--border);border-radius:var(--r-lg);padding:12px 14px}
.prog-stat-val{font-size:23px;font-weight:800;color:var(--accent);letter-spacing:-.02em}
.prog-stat-lbl{font-size:12px;color:var(--text3);margin-top:2px}
.prog-stat-sub{font-size:11px;color:var(--text2);margin-top:4px}
.prog-dept-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--r-lg);padding:18px 20px;margin-bottom:10px}
.prog-dept-name{font-size:14px;font-weight:600;margin-bottom:10px;display:flex;align-items:center;gap:8px}
.prog-bar-wrap{background:var(--bg3);border-radius:4px;height:8px;overflow:hidden;margin-bottom:4px}
.prog-bar-fill{height:100%;border-radius:4px;background:linear-gradient(90deg,var(--accent),var(--accent2));transition:width .6s}
.prog-bar-labels{display:flex;justify-content:space-between;font-size:11px;color:var(--text3)}
.prog-session-row{display:flex;align-items:center;gap:14px;padding:12px 16px;background:var(--bg2);border:1px solid var(--border);border-radius:var(--r);margin-bottom:6px}
.prog-session-score{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;flex-shrink:0;border:3px solid}
.prog-session-score.great{color:#059669;border-color:#059669;background:rgba(5,150,105,.08)}
.prog-session-score.good{color:#D97706;border-color:#D97706;background:rgba(217,119,6,.08)}
.prog-session-score.low{color:#DC2626;border-color:#DC2626;background:rgba(220,38,38,.08)}
.prog-section-title{font-size:13px;font-weight:700;color:var(--text2);margin-bottom:12px;text-transform:uppercase;letter-spacing:.06em}

/* ── Progress charts ────────────────────────────────────────
   Accuracy is a fill against a neutral track, never a green-vs-red split:
   those two hues measure ΔE 2.2 apart under deuteranopia in dark mode, so
   a colourblind reader could not separate them. Length carries the value;
   colour only grades it, and every bar prints its own numbers. */
.chart-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--r-lg);
            padding:20px 22px;margin-bottom:16px}
.chart-hd{display:flex;justify-content:space-between;align-items:baseline;gap:10px;
          font-size:13px;font-weight:700;color:var(--text);margin-bottom:16px}
.chart-hint{font-size:11px;font-weight:500;color:var(--text3)}
.chart-empty{font-size:12px;color:var(--text3);padding:6px 0 2px;line-height:1.6}

/* Filter state above the charts */
.chart-filter{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;
              background:var(--accent-glow);border:1px solid var(--border);border-radius:var(--r);
              padding:9px 14px;margin-bottom:12px;font-size:12px;color:var(--text2)}
.chart-filter b{color:var(--text)}
.chip-clear{background:transparent;border:1px solid var(--border2);border-radius:99px;
            padding:3px 11px;font-size:11px;font-weight:600;color:var(--text2);cursor:pointer}
.chip-clear:hover{border-color:var(--red);color:var(--red)}

/* Vertical bars — exam years. 170px of track for three bars was mostly empty
   air; the comparison reads the same at 112 and buys back a screenful. */
.ychart{display:flex;align-items:flex-end;gap:6px;height:112px}
.ybar-col{display:flex;flex-direction:column;align-items:center;gap:5px;height:100%;
          background:transparent;border:0;padding:0;cursor:pointer;font:inherit;
          border-radius:var(--r);transition:opacity .15s,transform .15s}
.ybar-col:hover{transform:translateY(-2px)}
.ybar-col.is-dim{opacity:.35}
.ybar-col.is-sel .ybar-lbl{color:var(--text);font-weight:800}
.ybar-val{font-size:11px;font-weight:800}
.ybar-track{flex:1;width:100%;max-width:54px;display:flex;align-items:flex-end;
            background:var(--bg3);border-radius:5px;overflow:hidden}
.ybar-fill{width:100%;border-radius:5px 5px 0 0;transition:height .5s}
.ybar-col.is-sel .ybar-track{outline:2px solid var(--accent2);outline-offset:2px}
.ybar-lbl{font-size:11px;font-weight:600;color:var(--text2)}
.ybar-sub{font-size:10px;color:var(--text3);margin-top:-3px}

/* Horizontal bars — courses (long labels, many rows) */
.hchart{display:flex;flex-direction:column;gap:7px}
.hbar-row{display:grid;grid-template-columns:minmax(90px,150px) 1fr 38px 46px;align-items:center;gap:10px;
          background:transparent;border:0;padding:2px 4px;cursor:pointer;font:inherit;text-align:left;
          border-radius:var(--r);transition:background .15s,opacity .15s}
.hbar-row:hover{background:var(--bg3)}
.hbar-row.is-dim{opacity:.35}
.hbar-row.is-sel{background:var(--accent-glow);outline:1px solid var(--accent2)}
.hbar-lbl{font-size:12px;color:var(--text2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hbar-row.is-sel .hbar-lbl{color:var(--text);font-weight:700}
.hbar-track{background:var(--bg3);border-radius:4px;height:9px;overflow:hidden}
.hbar-fill{display:block;height:100%;border-radius:4px;transition:width .5s}
.hbar-val{font-size:11px;font-weight:800;text-align:right}
.hbar-cnt{font-size:10px;color:var(--text3);text-align:right}

/* The two charts sit side by side — stacked, they pushed everything below
   them a full screen down. */
.chart-pair{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:12px;align-items:start}

/* Dense list row: one line instead of a 70px card per item. */
.mini-row{display:grid;grid-template-columns:minmax(90px,1.4fr) 1fr 38px 40px;align-items:center;
          gap:10px;padding:8px 3px}
.mini-row + .mini-row{border-top:1px solid var(--border)}
.mini-lbl{font-size:12px;color:var(--text2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mini-lbl em{font-style:normal;color:var(--text3);font-size:11px}

/* Wrong answers: one line closed, full detail open. */
.rev-item{border-top:1px solid var(--border)}
.rev-item:first-of-type{border-top:0}
.rev-sum{display:flex;justify-content:space-between;align-items:center;gap:12px;
         padding:12px 3px;cursor:pointer;list-style:none}
.rev-sum::-webkit-details-marker{display:none}
.rev-sum::before{content:'▸';color:var(--text3);font-size:11px;flex-shrink:0}
.rev-item[open] .rev-sum::before{content:'▾'}
.rev-sum:hover .rev-q{color:var(--accent2)}
.rev-q{flex:1;font-size:12.5px;color:var(--text2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rev-meta{font-size:11px;color:var(--text3);white-space:nowrap;flex-shrink:0}
.rev-body{padding:2px 0 12px 16px;display:flex;flex-direction:column;gap:4px}
.rev-opt{font-size:12.5px;padding:5px 10px;border-radius:6px;color:var(--text2);border:1px solid transparent}
.rev-opt.is-right{background:var(--green2);color:var(--green);border-color:rgba(76,175,130,.25)}
.rev-opt.is-yours{background:var(--red2);color:var(--red);border-color:rgba(240,90,90,.25)}
.rev-opt em{font-size:11px}
.rev-exp{background:var(--accent-glow);padding:8px 10px;border-radius:6px;font-size:12px;
         color:var(--text2);line-height:1.6;margin-top:4px}

@media(max-width:900px){
  .chart-pair{grid-template-columns:1fr}
}
@media(max-width:640px){
  .hbar-row{grid-template-columns:minmax(70px,110px) 1fr 34px}
  .hbar-cnt,.mini-row .hbar-cnt{display:none}
  .mini-row{grid-template-columns:minmax(70px,1.2fr) 1fr 34px}
  .ychart{height:140px}
}

/* ── Progress hero ──────────────────────────────────────── */
.hero-card{display:flex;align-items:center;gap:28px;flex-wrap:wrap;
           background:var(--bg2);border:1px solid var(--border);border-radius:var(--r-lg);
           padding:22px 26px;margin-top:16px}

/* ── Progress: top block ──────────────────────────────────
   Ring and heatmap share one row on a wide screen. Below 1000px they stack,
   which is what they did at every width before. */
.prog-top{display:grid;grid-template-columns:1fr;gap:12px}
@media(min-width:1000px){
  .prog-top{grid-template-columns:minmax(250px,300px) minmax(0,1fr);align-items:start}
  /* In its own column the ring goes above the facts instead of beside them. */
  .prog-top .hero-card{flex-direction:column;align-items:flex-start;gap:14px;padding:16px 18px}
  .prog-top .hero-ring svg{width:112px;height:112px}
  .prog-top .hero-facts{width:100%}
}
.prog-top .hero-card{margin-top:16px}
@media(min-width:1000px){ .prog-top #progHeat .chart-card{margin-top:16px} }
.hero-ring{flex-shrink:0}
.ring-arc{transition:stroke-dashoffset .8s ease}
.ring-num{font-family:var(--font-display);font-size:27px;font-weight:700;fill:var(--text)}
.ring-cap{font-size:10px;fill:var(--text3);text-transform:uppercase;letter-spacing:.08em}
.hero-facts{flex:1;min-width:230px;display:grid;gap:9px}
.hero-fact{display:flex;align-items:flex-start;gap:9px}
.hero-fact-ic{font-size:15px;line-height:1.3}
.hero-fact-lbl{display:block;font-size:10px;color:var(--text3);text-transform:uppercase;letter-spacing:.07em}
.hero-fact-val{display:block;font-size:13.5px;font-weight:700;color:var(--text);margin-top:1px}
.hero-fact-sub{font-size:11px;font-weight:500;color:var(--text3);white-space:nowrap}

/* ── Heatmap ────────────────────────────────────────────────
   A sequential single-hue ramp on the ERROR rate, so the darkest cells are
   the ones needing work. One hue rather than a red-green scale: that pair
   is unreadable under deuteranopia, whereas dark-vs-pale survives any CVD.
   Steps are chosen per theme, not flipped automatically. */
:root{
  --hm1:#FEF9E7;--hm2:#FDECC0;--hm3:#FBD778;--hm4:#EFA92B;--hm5:#B45309;
  --hm-ink1:#78350F;--hm-ink5:#FFFFFF;
}
[data-theme=dark]{
  --hm1:#2a2413;--hm2:#4a3a12;--hm3:#7a5a15;--hm4:#b3811d;--hm5:#e0a42c;
  --hm-ink1:#e8d9a8;--hm-ink5:#1a1400;
}
.heat-scroll{overflow-x:auto}
.heat{border-collapse:separate;border-spacing:3px;width:100%}
.heat th{font-size:11px;font-weight:600;color:var(--text3);text-align:right;padding:0 6px 0 0;
         white-space:nowrap;width:210px;max-width:210px;overflow:hidden;text-overflow:ellipsis}
.heat thead th{text-align:center;padding-bottom:3px}
.heat td{text-align:center;font-size:11px;font-weight:700;border-radius:5px;padding:7px 4px;
         min-width:46px;cursor:pointer;transition:transform .12s,outline-color .12s;
         outline:2px solid transparent}
.heat td:hover{transform:scale(1.06);outline-color:var(--accent2)}
.heat-none{background:transparent;border:1px dashed var(--border);color:var(--text3);
           cursor:default!important}
.heat-none:hover{transform:none!important;outline-color:transparent!important}
.heat-l1{background:var(--hm1);color:var(--hm-ink1)}
.heat-l2{background:var(--hm2);color:var(--hm-ink1)}
.heat-l3{background:var(--hm3);color:var(--hm-ink1)}
.heat-l4{background:var(--hm4);color:var(--hm-ink5)}
.heat-l5{background:var(--hm5);color:var(--hm-ink5)}
.heat-key{display:flex;align-items:center;gap:5px;margin-top:9px;font-size:11px;color:var(--text3)}
.heat-key i{width:20px;height:11px;border-radius:3px;display:inline-block}
.heat-key-note{margin-left:auto}

/* ── Tabs ───────────────────────────────────────────────── */
.ptabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:12px;overflow-x:auto}
.ptab{background:transparent;border:0;border-bottom:2px solid transparent;margin-bottom:-1px;
      padding:9px 14px;font:inherit;font-size:13px;font-weight:600;color:var(--text3);
      cursor:pointer;white-space:nowrap}
.ptab:hover{color:var(--text2)}
.ptab.active{color:var(--accent2);border-bottom-color:var(--accent2)}
.ptab i{font-style:normal;font-size:10px;background:var(--bg3);color:var(--text3);
        border-radius:99px;padding:1px 6px;margin-left:3px}

/* ── Notifications ──────────────────────────────────────── */
.notif-item{display:flex;gap:14px;padding:16px;background:var(--bg2);border:1px solid var(--border);border-radius:var(--r-lg);margin-bottom:8px;transition:border-color .15s;cursor:default}
.notif-item.unread{border-left:3px solid var(--accent2);background:rgba(5,150,105,.03)}
.notif-item:hover{border-color:var(--border2)}
.notif-icon{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}
.notif-body{flex:1;min-width:0}
.notif-title{font-size:14px;font-weight:600;color:var(--text);margin-bottom:3px}
.notif-desc{font-size:13px;color:var(--text2);line-height:1.5}
.notif-time{font-size:11px;color:var(--text3);margin-top:5px}
.notif-unread-dot{width:8px;height:8px;border-radius:50%;background:var(--accent2);flex-shrink:0;margin-top:6px}

/* ── Bookmarks ──────────────────────────────────────────── */
.bm-list{padding:16px 24px 40px;display:flex;flex-direction:column;gap:10px}
.bm-card{
  background:var(--bg2);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:16px 18px;
}
.bm-q{font-size:14px;font-weight:500;margin-bottom:10px}
.bm-answer{font-size:13px;padding:8px 12px;border-radius:7px;
  background:var(--green2);color:var(--green);border:1px solid rgba(76,175,130,.25)}
.bm-meta{font-size:12px;color:var(--text3);margin-top:8px}

/* ── empty/loading/error ────────────────────────────────── */
.empty{
  display:flex;flex-direction:column;align-items:center;
  justify-content:center;padding:80px 20px;text-align:center;gap:12px;
}
.empty-icon{font-size:44px;opacity:.3}
.empty-title{font-size:17px;font-weight:600}
.empty-sub{font-size:14px;color:var(--text2);max-width:300px}
.spinner{width:30px;height:30px;border:3px solid var(--bg4);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ── Modal ──────────────────────────────────────────────── */
.modal-bg{
  display:none;position:fixed;inset:0;
  background:rgba(0,0,0,.7);z-index:500;
  align-items:center;justify-content:center;padding:20px;
}
.modal-bg.open{display:flex}
.modal{
  background:var(--bg2);border:1px solid var(--border);
  border-radius:var(--r-lg);padding:24px;max-width:440px;width:100%;
  box-shadow:var(--shadow-lg);
  max-height:calc(100vh - 40px);overflow-y:auto;
}
.modal h3{font-size:16px;font-weight:600;margin-bottom:8px}
.modal p{font-size:13px;color:var(--text2);margin-bottom:16px;line-height:1.6}
.form-row{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}
.form-label{font-size:12px;font-weight:500;color:var(--text2)}
.form-select,.form-input,.form-textarea{
  background:var(--bg3);border:1px solid var(--border);
  border-radius:var(--r);padding:9px 12px;color:var(--text);
  font-size:13px;outline:none;transition:border-color .2s;width:100%;
}
.form-select:focus,.form-input:focus,.form-textarea:focus{border-color:var(--accent)}
.form-textarea{resize:vertical;min-height:80px}
.modal-btns{display:flex;gap:8px;justify-content:flex-end}
@media(max-width:500px){
  .modal-bg{padding:0;align-items:flex-end}
  .modal{border-radius:var(--r-xl) var(--r-xl) 0 0;max-height:92vh;width:100%;max-width:100%}
  .modal-btns{flex-direction:column-reverse}
  .modal-btns .btn{width:100%;justify-content:center}
}

/* ── Premium modal ──────────────────────────────────────── */
.prem-modal-bg{padding:16px}
.prem-modal{
  background:var(--bg2);border:1px solid var(--border);border-radius:18px;
  width:100%;max-width:460px;box-shadow:var(--shadow-lg);
  display:flex;flex-direction:column;overflow:hidden;
  max-height:calc(100vh - 32px);
}
.prem-hdr{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 18px 12px;border-bottom:1px solid var(--border);flex-shrink:0;
}
.prem-hdr-title{font-size:16px;font-weight:700;color:var(--yellow)}
.prem-hdr-sub{font-size:11.5px;color:var(--text2);margin-top:1px}
.prem-close{
  background:none;border:none;color:var(--text3);font-size:18px;
  cursor:pointer;padding:0;line-height:1;flex-shrink:0;
}
.prem-price-strip{
  display:flex;align-items:center;
  background:var(--bg3);border-bottom:1px solid var(--border);flex-shrink:0;
}
.prem-price-item{display:flex;align-items:center;justify-content:space-between;flex:1;padding:8px 16px;gap:8px}
.prem-price-div{width:1px;background:var(--border);align-self:stretch}
.prem-price-lbl{font-size:12px;color:var(--text2)}
.prem-price-val{font-size:15px;font-weight:700;color:var(--yellow)}
.prem-body{flex:1;overflow-y:auto;min-height:0;padding:8px 0 0}
.prem-section-lbl{font-size:11px;font-weight:600;color:var(--text3);text-transform:uppercase;letter-spacing:.5px;padding:6px 16px 4px}

/* Payment-method pills — each carries its bank's own brand colour via the
   --pm custom property (set inline per button), gradient + glow on the
   selected one so the choice reads as a deliberate, premium pick. */
.pm-tab{
  --pm:#4F46E5;
  padding:11px 22px;border-radius:16px;border:2px solid var(--pm);
  background:var(--bg2);color:var(--pm);font-size:13.5px;font-weight:700;
  cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);font-family:inherit;
  display:inline-flex;align-items:center;gap:7px;position:relative;
}
.pm-tab-ic{font-size:16px}
.pm-tab:hover{transform:translateY(-2px);box-shadow:0 6px 16px color-mix(in srgb,var(--pm) 35%,transparent)}
.pm-tab.active{
  background:linear-gradient(135deg,color-mix(in srgb,var(--pm) 78%,#fff 22%) 0%,var(--pm) 55%,color-mix(in srgb,var(--pm) 72%,#000 28%) 100%);
  color:#fff;border-color:transparent;transform:translateY(-2px);
  box-shadow:0 10px 24px color-mix(in srgb,var(--pm) 50%,transparent),inset 0 1px 0 rgba(255,255,255,.35);
}
.pm-tab.active .pm-tab-ic{filter:drop-shadow(0 1px 1px rgba(0,0,0,.2))}
.pm-tab.active::after{
  content:'✓';position:absolute;top:-6px;right:-6px;width:17px;height:17px;border-radius:50%;
  background:#fff;color:var(--pm);font-size:10px;font-weight:900;
  display:flex;align-items:center;justify-content:center;box-shadow:0 2px 6px rgba(0,0,0,.25);
}
.prem-accounts{display:flex;flex-direction:column;gap:4px;padding:0 14px 6px}
.prem-acc-row{
  display:flex;align-items:center;gap:8px;
  background:var(--bg3);border:1px solid var(--border);border-radius:10px;padding:7px 10px;
}
.prem-acc-logo{width:32px;height:32px;object-fit:contain;border-radius:6px;flex-shrink:0;background:var(--bg2)}
.prem-acc-icon{font-size:16px;flex-shrink:0;width:32px;height:32px;align-items:center;justify-content:center}
.prem-acc-info{flex:1;min-width:0}
.prem-acc-top{display:flex;align-items:center;gap:6px}
.prem-acc-bank{font-size:10px;font-weight:600;color:var(--text3);text-transform:uppercase}
.prem-acc-name{font-size:12px;font-weight:600;color:var(--text)}
.prem-acc-num{font-size:11.5px;color:var(--text2);font-family:monospace;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.prem-acc-copy{
  background:var(--bg2);border:1px solid var(--border);border-radius:6px;
  color:var(--text2);font-size:11px;padding:3px 8px;cursor:pointer;flex-shrink:0;
}
.prem-tip{
  margin:0 14px 8px;padding:8px 11px;background:var(--yellow2);
  border:1px solid rgba(217,119,6,.2);border-radius:var(--r);
  font-size:11.5px;color:var(--text2);line-height:1.5;
}
.prem-form-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:7px 10px;padding:0 14px 4px;
}
.prem-field{display:flex;flex-direction:column;gap:3px}
.prem-field-full{grid-column:1/-1}
.prem-field .form-label{font-size:11px;font-weight:500;color:var(--text2)}
.prem-field .form-select,.prem-field .form-input{padding:7px 9px;font-size:12px}
/* sticky footer */
.prem-actions{
  display:flex;gap:8px;justify-content:flex-end;
  padding:10px 14px 14px;border-top:1px solid var(--border);flex-shrink:0;
  background:var(--bg2);
}
.prem-submit{background:var(--yellow)!important;color:#000!important;border-color:var(--yellow)!important;flex:1}
@media(max-width:500px){
  .prem-modal-bg{padding:0;align-items:flex-end!important}
  .prem-modal{border-radius:20px 20px 0 0;max-width:100%;max-height:92vh}
  .prem-actions .btn{flex:1;justify-content:center}
  /* hide chatbot FAB when premium modal is open */
  #modalPremium.open ~ * #chatFab,
  body:has(#modalPremium.open) #chatFab{display:none!important}
}

/* ── Chatbot ────────────────────────────────────────────── */
.chat-fab{
  position:fixed;bottom:28px;right:28px;z-index:900;
  width:52px;height:52px;border-radius:50%;border:none;cursor:pointer;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  transition:bottom .25s ease,transform .15s,box-shadow .15s;
  box-shadow:0 4px 18px rgba(0,0,0,.25);
  display:flex;align-items:center;justify-content:center;
  font-size:24px;transition:transform .15s,box-shadow .15s;
}
.chat-fab:hover{transform:scale(1.08)}
.chat-unread{
  position:fixed;bottom:68px;right:24px;z-index:901;
  background:var(--red);color:#fff;border-radius:10px;padding:2px 7px;
  font-size:11px;font-weight:700;display:none;pointer-events:none;
}
.chat-panel{
  position:fixed;bottom:90px;right:28px;z-index:900;
  width:320px;max-height:480px;display:none;flex-direction:column;
  background:var(--bg2);border:1px solid var(--border);border-radius:18px;
  box-shadow:0 12px 48px rgba(0,0,0,.28);overflow:hidden;
}
.chat-panel.open{display:flex}
.chat-panel-hdr{
  padding:14px 16px;border-bottom:1px solid var(--border);
  display:flex;align-items:center;gap:10px;
  background:linear-gradient(135deg,var(--accent),var(--accent2));flex-shrink:0;
}
.chat-messages{
  flex:1;overflow-y:auto;padding:14px;
  display:flex;flex-direction:column;gap:10px;
  min-height:200px;max-height:320px;
}
.chat-chips-bar{
  display:flex;gap:6px;padding:6px 12px;overflow-x:auto;flex-shrink:0;
  border-top:1px solid var(--border);scrollbar-width:none;
  background:var(--bg2);
}
.chat-chips-bar::-webkit-scrollbar{display:none}
.chat-chips-bar .chat-chip{white-space:nowrap;flex-shrink:0;padding:7px 12px;font-size:11.5px}
.chat-input-row{
  padding:10px 12px;border-top:1px solid var(--border);
  display:flex;gap:8px;flex-shrink:0;
}
.chat-input{
  flex:1;padding:9px 12px;border-radius:20px;
  border:1px solid var(--border);background:var(--bg3);
  color:var(--text);font-size:13px;font-family:inherit;outline:none;
}
.chat-send{
  width:36px;height:36px;border-radius:50%;border:none;
  background:var(--accent);color:var(--accent-ink,#fff);cursor:pointer;
  font-size:16px;display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.chat-suggestions{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-top:6px}
.chat-chip{
  text-align:left;padding:10px 12px;border-radius:12px;
  border:1px solid var(--border);background:var(--bg3);
  color:var(--text);font-size:12px;cursor:pointer;font-family:inherit;
  transition:background .15s,border-color .15s;line-height:1.4;
  display:flex;align-items:flex-start;gap:6px;word-break:break-word;
}
.chat-chip:hover{background:var(--accent-glow);border-color:var(--accent);color:var(--accent)}
.chat-followups{margin-top:4px;padding-left:4px}
@media(max-width:600px){
  .chat-fab{bottom:16px;right:16px;width:48px;height:48px;font-size:22px}
  .chat-unread{bottom:56px;right:12px}
  .chat-panel{
    right:0;left:0;bottom:0;width:100%;
    border-radius:20px 20px 0 0;
    max-height:75vh;
  }
}
/* ── Toast ──────────────────────────────────────────────── */
.toasts{position:fixed;bottom:20px;right:20px;z-index:999;display:flex;flex-direction:column;gap:7px}
.toast{
  background:var(--bg3);border:1px solid var(--border);
  border-radius:var(--r);padding:11px 16px;font-size:13px;color:var(--text);
  box-shadow:var(--shadow-lg);opacity:0;transform:translateY(8px);
  transition:all .25s;min-width:180px;max-width:300px;
}
.toast.show{opacity:1;transform:translateY(0)}
.toast.ok{border-left:3px solid var(--green)}
.toast.err{border-left:3px solid var(--red)}
.toast.info{border-left:3px solid var(--accent)}

/* ── auth chip ──────────────────────────────────────────── */
/* ── auth area — single pill ─────────────────────────── */
.auth-pill{
  display:flex;align-items:center;
  background:var(--bg3);border:1px solid var(--border);
  border-radius:24px;overflow:hidden;transition:border-color .15s;
}
.auth-pill:hover{border-color:var(--border2)}
.user-chip{
  display:flex;align-items:center;gap:7px;
  padding:5px 10px 5px 6px;
  font-size:12px;color:var(--text2);cursor:pointer;
  text-decoration:none;transition:background .15s;border-radius:24px 0 0 24px;
}
.user-chip:hover{background:var(--bg4)}
.user-avatar{
  width:24px;height:24px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  display:flex;align-items:center;justify-content:center;
  font-size:11px;font-weight:700;color:#fff;flex-shrink:0;overflow:hidden;
}
.user-avatar img{width:100%;height:100%;object-fit:cover;border-radius:50%}
.user-chip .premium-star{color:var(--yellow);font-size:11px}
.pill-divider{width:1px;background:var(--border);align-self:stretch;margin:5px 0}
.btn-logout{
  display:flex;align-items:center;justify-content:center;
  padding:0 11px;height:100%;background:transparent;border:none;
  color:var(--text3);cursor:pointer;font-size:13px;transition:all .15s;
  border-radius:0 24px 24px 0;
}
.btn-logout:hover{background:var(--red2);color:var(--red)}
.btn-signin{
  height:32px;padding:0 16px;border-radius:20px;font-size:12px;font-weight:600;
  background:var(--accent2);border:none;color:var(--accent-ink,#fff);cursor:pointer;
  transition:opacity .15s;
}
.btn-signin:hover{opacity:.88}

/* ── footer ──────────────────────────────────────────────── */
.site-footer{background:var(--footer-bg);color:var(--footer-text);margin-top:auto;flex-shrink:0}

/* Premium CTA bar — tall, prominent */
.footer-cta{
  background:linear-gradient(90deg,var(--accent2) 0%,var(--accent) 100%);
  padding:18px 32px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-cta-text{display:flex;align-items:center;gap:10px}
.footer-cta-text .cta-icon{font-size:1.4rem}
.footer-cta-text strong{font-size:15px;font-weight:800;color:#fff;display:block;margin-bottom:2px}
.footer-cta-text span{font-size:12px;color:rgba(255,255,255,.75)}
.footer-cta button{
  padding:10px 24px;background:var(--yellow);color:#000;border:none;
  border-radius:var(--r);font-weight:800;font-size:13px;cursor:pointer;white-space:nowrap;
  transition:opacity .15s;flex-shrink:0;box-shadow:0 2px 8px rgba(0,0,0,.2);
}
.footer-cta button:hover{opacity:.88}

/* Single-row compact body */
.footer-main{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  padding:14px 32px;border-bottom:1px solid rgba(255,255,255,.07);
}
.footer-brand{display:flex;align-items:center;gap:9px}
.footer-brand .brand-mark-f{
  width:24px;height:24px;border-radius:6px;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  display:inline-flex;align-items:center;justify-content:center;font-size:12px;flex-shrink:0;
}
.footer-brand .brand-name{font-size:13px;font-weight:700;color:#fff}
.footer-brand .brand-tagline{font-size:10px;color:var(--footer-text)}

.footer-links{display:flex;gap:0;flex-wrap:wrap}
.footer-col{display:flex;flex-direction:column;gap:0}
.footer-col h4{display:none}
.footer-col ul{list-style:none;display:flex;flex-direction:row;gap:0;flex-wrap:wrap}
.footer-col ul li a{
  color:var(--footer-text);text-decoration:none;font-size:12px;
  padding:3px 12px;transition:color .15s;border-right:1px solid rgba(255,255,255,.1);
}
.footer-col ul li:last-child a{border-right:none}
.footer-col ul li a:hover{color:#fff}
.footer-contact-inline{font-size:11px;color:var(--footer-text)}
.footer-contact-inline a{color:var(--accent2);text-decoration:none;font-size:11px}
.footer-contact-inline a:hover{text-decoration:underline}

.footer-bottom{
  padding:9px 32px;display:flex;align-items:center;justify-content:space-between;
  font-size:11px;color:rgba(255,255,255,.25);flex-wrap:wrap;gap:6px;
}
.footer-bottom a{color:rgba(255,255,255,.3);text-decoration:none}
.footer-bottom a:hover{color:rgba(255,255,255,.6)}

@media(max-width:720px){
  .footer-cta{padding:14px 20px}
  .footer-main{padding:12px 20px}
  .footer-bottom{padding:8px 20px}
  .footer-col ul li a{padding:3px 8px;font-size:11px}
}
@media(max-width:480px){
  .footer-main{flex-direction:column;align-items:flex-start;gap:8px}
  .footer-cta-text strong{font-size:13px}
}

/* ── drawer backdrop (mobile) ───────────────────────────── */
.sidebar-backdrop{
  display:none;position:fixed;inset:0;background:rgba(0,0,0,.45);
  z-index:149;opacity:0;transition:opacity .25s;
}
.sidebar-backdrop.show{display:block;opacity:1}

/* ════════════════════════════════════════════════════════
   TABLET  (≤ 1024px)
════════════════════════════════════════════════════════ */
@media(max-width:1024px){
  .shell{grid-template-columns:220px 1fr}
  .stat-chip{font-size:11px;padding:4px 8px}
}

/* ════════════════════════════════════════════════════════
   MOBILE  (≤ 768px)  — sidebar becomes a slide-over drawer
════════════════════════════════════════════════════════ */
@media(max-width:768px){
  .prog-stats-row{grid-template-columns:1fr 1fr}
  #btnBrowse,#btnBM,#btnLB,#btnNotif{display:none}
}
@media(max-width:768px){
  /* shell is always single-column; sidebar is NOT in the grid */
  .shell{
    grid-template-columns:1fr !important;
    grid-template-rows:56px 1fr;
  }
  .shell.sidebar-collapsed{grid-template-columns:1fr !important}

  /* sidebar: fixed drawer sliding in from left */
  .sidebar{
    position:fixed;top:0;left:0;bottom:0;
    width:84vw;max-width:300px;z-index:150;
    transform:translateX(-100%);
    transition:transform .25s ease;
    box-shadow:none;
    opacity:1 !important;pointer-events:auto !important;
  }
  .sidebar.mobile-open{
    transform:translateX(0);
    box-shadow:4px 0 24px rgba(0,0,0,.18);
  }
  /* override desktop collapse style on mobile */
  .shell.sidebar-collapsed .sidebar{
    transform:translateX(-100%);
    opacity:1 !important;pointer-events:auto !important;
  }
  /* compact footer on mobile so departments have room */
  .quiz-mode-btns{gap:2px}
  .mode-btn{padding:7px 10px;font-size:12px}
  .mode-icon{font-size:14px;width:20px}
  .sidebar-lbl{padding:0 12px 4px;font-size:9px}
  .sidebar-sec{margin-bottom:4px}
  .prem-sidebar-btn{padding:8px 12px}
  .sidebar-foot .sidebar-divider{margin:6px 12px}

  /* topbar adjustments */
  .topbar{padding:0 10px;gap:6px;height:56px}
  .topbar-center{flex:1;min-width:0}
  .stat-chip{display:none}
  .topbar-right{gap:4px}

  /* shrink nav buttons */
  .nav-btn{width:32px;height:32px;font-size:14px}

  /* hide text labels, keep only icons */
  .nav-btn svg{width:15px;height:15px}

  /* sign in button compact */
  .btn-signin{padding:6px 12px;font-size:12px}

  /* auth pill compact — show avatar only, hide name */
  .user-chip span{display:none}
  .user-chip{padding:4px 6px;border-radius:50%}
  .user-avatar{width:28px;height:28px;font-size:11px;flex-shrink:0}
  .pill-divider{display:none}
  .auth-pill{gap:2px;padding:3px;border-radius:24px;overflow:visible}
  .btn-logout{padding:0 8px;height:34px;border-radius:50%;flex-shrink:0}
  .btn-signin{padding:6px 10px;font-size:12px}

  /* admin button compact */
  #adminPortalBtn{padding:0 8px !important;font-size:11px !important}

  /* hamburger always visible on mobile — show it in topbar */
  #btnSidebarTop{display:flex !important}
  #btnSidebar{display:none}

  /* search input compact */
  .search-wrap input{padding:7px 10px 7px 32px;font-size:13px}

  /* main fills full width */
  .main{height:calc(100vh - 56px);overflow-y:auto}

  /* department landing header — compact on mobile */
  .dept-landing-hdr{
    padding:10px 12px 8px;
    flex-direction:row;
    align-items:center;
    gap:8px;
  }
  .dept-landing-hdr h2{font-size:15px}
  .dept-landing-hdr p{font-size:11px;margin-top:1px}
  .dept-landing-hdr > div:last-child{
    display:flex;flex-direction:row;flex-wrap:nowrap;gap:5px;margin-left:auto;flex-shrink:0;
  }
  .stat-card{padding:5px 7px;min-width:0}
  .stat-card .val{font-size:13px}
  .stat-card .lbl{font-size:9px;margin-top:0}

  /* department cards — 2 columns on mobile */
  .dept-cards-grid{
    grid-template-columns:repeat(2,1fr) !important;
    padding:16px;gap:12px;
  }
  .dc-emoji{font-size:28px}

  /* content padding — a bit more breathing room on phones */
  .content-hdr,.toolbar,.q-list,.bm-list,.lb-table{
    padding-left:16px;padding-right:16px;
  }
  .dept-widget-card{margin:14px 16px 0;padding:16px}
  .content-hdr{padding-top:14px;padding-bottom:6px}
  .q-list{padding-bottom:20px}

  .q-opts{gap:8px}

  /* results */
  .results-head{flex-direction:column;gap:12px}
  .results-head-info{align-items:center;text-align:center}
  .result-stats{justify-content:center}

  /* leaderboard */
  .lb-table{font-size:13px;padding-left:8px;padding-right:8px}
  .lb-row{padding:10px 12px;gap:10px}
  .lb-rank{width:28px;height:28px;font-size:11px}
  .lb-name{font-size:13px}
  .lb-score{font-size:13px}
  #myRankBanner{margin:0 8px 12px!important;padding:12px 14px!important;gap:10px!important;flex-wrap:wrap}
  #myRankBanner > div:first-child{font-size:22px!important}
  #myRankNum,#myRankSessions,#myRankScore{font-size:16px!important;font-weight:800}

}

/* ════════════════════════════════════════════════════════
   SMALL MOBILE  (≤ 480px)
════════════════════════════════════════════════════════ */
@media(max-width:480px){
  .brand span{display:none}
  .brand-mark{width:28px;height:28px;font-size:13px;border-radius:8px}
  .topbar{gap:4px;padding:0 8px;height:52px}
  .brand{margin-right:0;flex-shrink:0}
  .hamburger-btn{margin-left:0;width:32px;height:32px;flex-shrink:0}
  .topbar-center{min-width:0;flex:1}
  .topbar-right{gap:2px;flex-shrink:0}
  .nav-btn{width:30px;height:30px;font-size:13px;flex-shrink:0}

  /* hide browse/bookmark/leaderboard topbar buttons — accessible via sidebar */
  #btnBrowse,#btnBM,#btnLB,#btnNotif{display:none!important}
  /* shrink admin badge to icon only */
  #adminPortalBtn{padding:0 8px;font-size:11px;width:auto}
  #adminPortalBtn::before{content:'🛡';font-size:14px}
  #adminPortalBtn{font-size:0}
  #adminPortalBtn::before{font-size:14px}

  /* search takes remaining space */
  .topbar-center{flex:1}
  .search-wrap input{padding:6px 8px 6px 30px;font-size:12px}

  /* dept cards */
  .dept-cards-grid{grid-template-columns:1fr 1fr !important;gap:8px;padding:10px}
  .dc-emoji{font-size:24px}
  .dc-name{font-size:12px}
  .dc-count{font-size:20px}

  /* quiz */
  .q-text{font-size:14px}
  .opt-btn{font-size:13px;padding:9px 12px}

  /* leaderboard */
  .lb-table{font-size:12px;padding-left:6px;padding-right:6px}
  .lb-row{padding:9px 10px;gap:8px}
  .lb-rank{width:26px;height:26px;font-size:10px;border-radius:6px}
  .lb-name{font-size:12px}
  .lb-score{font-size:12px;white-space:nowrap}
  #myRankBanner{flex-direction:row;flex-wrap:wrap;gap:8px!important}
}

/* ══════════════════════════════════════════════════════════
   PHONE DASHBOARD (≤640px)
   A readiness score, one action, then everything else. The desktop grid is
   untouched — these rules only exist inside the media query below.
   ══════════════════════════════════════════════════════════ */
.mhero{display:none}
.mnav{display:none}
/* Guests never get a readiness score — an unfilled hero must not leave an
   empty bordered card behind. */
.mhero:empty{display:none!important}

@media(max-width:640px){
  .mhero{
    display:flex;flex-direction:column;align-items:center;gap:12px;
    background:var(--bg2);border:1px solid var(--border);border-radius:var(--r-lg);
    padding:18px 16px 16px;
  }
  .mhero-lbl{font-size:13px;font-weight:600;color:var(--text2);letter-spacing:.01em}
  .mhero-ring{position:relative;width:150px;height:150px}
  .mhero-ring svg{transform:rotate(-90deg);display:block}
  .mhero-val{
    position:absolute;inset:0;display:flex;flex-direction:column;
    align-items:center;justify-content:center;gap:2px;
  }
  .mhero-pct{font-size:32px;font-weight:800;color:var(--text);line-height:1}
  .mhero-word{font-size:12px;font-weight:600}
  .mhero-cta{
    width:100%;padding:13px;border-radius:var(--r);border:none;cursor:pointer;
    background:var(--accent);color:var(--accent-ink,#fff);font-family:inherit;
    font-size:15px;font-weight:700;display:flex;align-items:center;
    justify-content:center;gap:8px;
  }
  .mhero-cta:active{filter:brightness(1.12)}
  .mhero-sub{font-size:12px;color:var(--text3);text-align:center;margin-top:-4px}

  /* "All →" floated over the last chip once the strip started scrolling. */
  #wDeptBrowseAll{
    background:var(--bg2);padding-left:10px;margin-left:2px;
    box-shadow:-8px 0 8px -6px rgba(0,0,0,.12);
  }

  /* Promoted into the hero — showing them again below is the repetition the
     phone layout can least afford. */
  #wQuizCard,#wProgressCard{display:none}

  /* Room for the tab bar, and keep the chat button above it. */
  .main{padding-bottom:64px}
  .chat-fab{bottom:74px}
  .chat-unread{bottom:114px}

  .mnav{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:880;
    background:var(--bg2);border-top:1px solid var(--border);
    padding:6px 4px calc(6px + env(safe-area-inset-bottom,0px));
  }
  .mnav-item{
    flex:1;background:none;border:none;cursor:pointer;font-family:inherit;
    display:flex;flex-direction:column;align-items:center;gap:3px;
    padding:5px 2px;color:var(--text3);font-size:10.5px;font-weight:600;
    border-radius:10px;
  }
  .mnav-item svg{width:20px;height:20px}
  .mnav-item.active{color:var(--accent2)}
  .mnav-item.active svg{stroke-width:2.4}
  /* The quiz owns the whole viewport and carries its own footer actions. */
  body.quizzing .mnav{display:none}
  body.quizzing .main{padding-bottom:0}
}

@media(max-width:640px){
  /* A 210px label column leaves almost no room for the grid on a phone;
     truncated course names still scroll horizontally inside .heat-scroll. */
  .heat th{width:118px;max-width:118px;font-size:10.5px}
  .heat td{min-width:40px;padding:7px 3px}
  .hero-card{gap:14px;padding:16px 16px}
  .hero-ring svg{width:112px;height:112px}
}

/* ── Student guide (How to use) ──────────────────────────── */
.gd-wrap{padding:0 24px 40px;max-width:960px}
.gd-intro{background:var(--bg2);border:1px solid var(--border);border-radius:var(--r-lg);padding:16px 18px}
.gd-intro p{font-size:14px;color:var(--text2);line-height:1.7;max-width:68ch;margin:0 0 12px}
.gd-toc{display:flex;flex-wrap:wrap;gap:6px}
.gd-jump{font-family:inherit;font-size:12.5px;color:var(--text);background:var(--bg3);
         border:1px solid var(--border);border-radius:20px;padding:5px 12px;cursor:pointer;
         transition:border-color .15s,color .15s}
.gd-jump:hover{border-color:var(--accent2);color:var(--accent2)}
.gd-jump:focus-visible{outline:2px solid var(--accent2);outline-offset:2px}
/* Brief highlight so it is obvious which card you landed on. */
.gd-card.gd-flash{border-color:var(--accent2);box-shadow:0 0 0 3px var(--accent-glow)}
.gd-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--r-lg);
         margin-top:14px;overflow:hidden;scroll-margin-top:16px}
.gd-head{display:flex;align-items:center;gap:10px;padding:13px 18px;border-bottom:1px solid var(--border)}
.gd-ic{font-size:20px;line-height:1}
.gd-head h3{margin:0;font-size:16px;font-weight:700}
.gd-body{padding:14px 18px}
.gd-what{margin:0 0 10px;font-size:14px;line-height:1.65}
.gd-steps{margin:0;padding-left:20px;font-size:13.5px;line-height:1.75;color:var(--text2)}
.gd-steps li{margin-bottom:6px}
.gd-steps li:last-child{margin-bottom:0}
.gd-steps strong{color:var(--text)}
.gd-note{margin:12px 0 0;padding:9px 12px;border-radius:var(--r);font-size:13px;line-height:1.6;
         background:var(--accent-glow);border-left:3px solid var(--accent2);color:var(--text)}
.gd-shot{margin:0;border-top:1px solid var(--border);background:var(--bg);padding:12px 18px 14px}
.gd-shot img{display:block;width:100%;height:auto;border:1px solid var(--border);border-radius:var(--r)}
.gd-shot figcaption{margin-top:7px;font-size:11.5px;color:var(--text3)}
@media(max-width:640px){
  .gd-wrap{padding:0 12px 28px}
  .gd-intro,.gd-body,.gd-head{padding-left:14px;padding-right:14px}
  .gd-shot{padding:10px 14px 12px}
}

/* Referral discount in the premium modal */
.prem-was{font-size:13px;color:var(--text3);text-decoration:line-through;margin-left:6px}
.prem-discount{
  margin:10px 0 0;padding:9px 12px;border-radius:var(--r);
  background:var(--yellow2);border:1px solid color-mix(in srgb,var(--yellow) 30%,transparent);
  color:var(--text);font-size:12.5px;line-height:1.55;
}