/* ============================================================
   TSP — Exam Index  |  exam-index.css  |  v4
   Signature: OMR answer-sheet motif (bubbles), admit-card chips
   ============================================================ */
:root {
  --navy:#06102a;--navy2:#0d1f4e;--indigo:#4f46e5;--violet:#7c3aed;
  --cyan:#06b6d4;--green:#16a34a;--orange:#f97316;--amber:#fbbf24;
  --marigold:#f5a623;--marigold-dk:#c97c00;
  --border:#e2e8f0;--muted:#64748b;--text:#0f172a;--white:#fff;
  --r:12px;--shadow:0 2px 8px rgba(0,0,0,.06),0 6px 24px rgba(79,70,229,.09);
}
@media (prefers-reduced-motion: reduce){
  .tsp-hero *, .tsp-omr *, .tsp-stat, .tsp-badge--stamp{ animation-duration:.01ms!important; animation-iteration-count:1!important; transition-duration:.01ms!important; }
}

/* ── MAIN GRID (question feed + sidebar) ──────────────────────
   FIX: this used to be an inline style="grid-template-columns:1fr 292px"
   on the .tsp-main div, which inline styles' high specificity meant no
   media query could ever override. On a ~375px phone that left the
   question column squeezed to roughly 10-15px wide next to a fixed
   292px sidebar — this was the actual cause of the broken mobile
   question section. Now a real class with a proper mobile breakpoint
   that stacks both columns full-width. */
.tsp-main{
  max-width:1315px;
  margin:0 auto;
  display:grid;
  grid-template-columns:1fr 292px;
  gap:22px;
  padding:18px 24px 48px;
  align-items:start;
}
@media (max-width:991px){
  .tsp-main{ grid-template-columns:1fr; padding:16px 16px 36px; }
}
@media (max-width:480px){
  .tsp-main{ padding:14px 12px 32px; gap:16px; }
}

/* ── HERO ────────────────────────────────── */
/* Full-bleed technique that works inside Bootstrap .container > .row.
   Uses calc() based on 100vw minus scrollbar-safe viewport width,
   anchored via a wrapping block instead of vw/left/margin tricks
   that break inside flex parents (.row). */
.tsp-hero-bleed{
  position: relative;
  width: 100%;
  margin: 0 0 0 0;
}
.tsp-hero-bleed::before{
  content:'';
  position:absolute;
  top:0; bottom:0;
  left:50%;
  width:100vw;
  margin-left:-50vw;
  background:linear-gradient(135deg,var(--navy) 0%,var(--navy2) 50%,#130d3a 100%);
  z-index:0;
}
.tsp-hero{
  position:relative;
  z-index:1;
  color:#fff;
  padding:52px 24px 80px;
  overflow:visible;
  margin:0 -15px; /* cancel Bootstrap .row negative margin / col padding */
}
@media(min-width:1px){
  .tsp-hero{ padding-left:24px; padding-right:24px; }
}
.tsp-hero__mesh{
  position:absolute;inset:0;opacity:.05;
  background-image:repeating-linear-gradient(0deg,transparent,transparent 39px,rgba(255,255,255,.5) 39px,rgba(255,255,255,.5) 40px),
    repeating-linear-gradient(90deg,transparent,transparent 39px,rgba(255,255,255,.5) 39px,rgba(255,255,255,.5) 40px);
}
/* OMR answer-sheet motif: faint rows of bubbles, like a scanned answer
   sheet, instead of a generic dot grid. A few bubbles per row are
   "filled" — a quiet nod to what this whole site is actually about. */
.tsp-hero__omr-bg{
  position:absolute;inset:0;overflow:hidden;opacity:.5;pointer-events:none;
}
.tsp-hero__omr-bg svg{position:absolute;top:-10%;right:-6%;width:560px;height:560px;opacity:.16}
@media(max-width:900px){.tsp-hero__omr-bg svg{width:380px;height:380px}}
.tsp-orb{position:absolute;border-radius:50%;filter:blur(60px);opacity:.18}
.tsp-orb--1{width:400px;height:400px;background:var(--indigo);top:-100px;right:-80px}
.tsp-orb--2{width:280px;height:280px;background:var(--violet);bottom:-60px;left:200px}
.tsp-hero__inner{position:relative;max-width:1200px;margin:0 auto;display:flex;align-items:center;gap:40px;flex-wrap:wrap}
.tsp-hero__left{flex:1;min-width:280px}

/* Page-load sequence — one orchestrated reveal, not scattered
   per-element effects. Each block steps in slightly after the last. */
@keyframes tspRise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}
.tsp-brand,.tsp-badges,.tsp-hero__h,.tsp-hero__desc,.tsp-hero__ctas,.tsp-omr{
  animation:tspRise .55s var(--ease-smooth,cubic-bezier(.4,0,.2,1)) backwards;
}
.tsp-brand{animation-delay:.02s}
.tsp-badges{animation-delay:.10s}
.tsp-hero__h{animation-delay:.16s}
.tsp-hero__desc{animation-delay:.24s}
.tsp-hero__ctas{animation-delay:.30s}
.tsp-omr{animation-delay:.38s}
.tsp-stats{animation:tspRise .6s var(--ease-smooth,cubic-bezier(.4,0,.2,1)) .2s backwards}
.tsp-brand{display:flex;align-items:center;gap:14px;margin-bottom:20px}
.tsp-brand__logo{
  width:52px;height:52px;background:linear-gradient(135deg,var(--indigo),var(--violet));
  border-radius:12px;display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:18px;font-weight:900;text-decoration:none;box-shadow:0 4px 16px rgba(79,70,229,.4);flex-shrink:0;
}
.tsp-brand__name{font-size:22px;font-weight:900;margin:0;line-height:1.2}
.tsp-brand__name em{font-style:normal;color:#a5b4fc}
.tsp-brand__tagline{font-size:12px;color:rgba(255,255,255,.6);margin:2px 0 8px}
.tsp-brand__pill{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);
  padding:3px 10px;border-radius:20px;font-size:11px;color:rgba(255,255,255,.7);
}
.tsp-live-dot{width:7px;height:7px;background:#4ade80;border-radius:50%;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.3);opacity:.7}}
.tsp-badges{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}
.tsp-badge{padding:4px 12px;border-radius:20px;font-size:11px;font-weight:700}
.tsp-badge--o{background:rgba(249,115,22,.15);border:1px solid rgba(249,115,22,.3);color:#fb923c}
.tsp-badge--b{background:rgba(99,102,241,.15);border:1px solid rgba(99,102,241,.3);color:#a5b4fc}
.tsp-badge--g{background:rgba(74,222,128,.12);border:1px solid rgba(74,222,128,.25);color:#4ade80}
.tsp-badge--c{background:rgba(6,182,212,.12);border:1px solid rgba(6,182,212,.25);color:#67e8f9}
/* Stamp badges — like the ink seal on an admit card / answer sheet,
   used for the hero's credibility markers instead of soft pills. */
.tsp-badge--stamp{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:3px;
  font-size:10.5px;font-weight:800;letter-spacing:.09em;text-transform:uppercase;
  border:1.5px solid rgba(245,166,35,.55);color:#fcd9a0;
  background:rgba(245,166,35,.08);
  font-family:var(--font-display,'Outfit',sans-serif);
}
.tsp-badge--stamp i{font-size:9px;color:var(--marigold)}
.tsp-hero__h{
  font-family:var(--font-display,'Outfit',sans-serif);
  font-size:38px;font-weight:900;line-height:1.2;margin:0 0 14px;letter-spacing:-.02em;
}
@media(max-width:640px){.tsp-hero__h{font-size:27px}}
.c-gradient{background:linear-gradient(135deg,#a5b4fc,#818cf8);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.c-cyan{color:#67e8f9}
.c-green{color:#4ade80}
.tsp-hero__desc{font-size:15px;color:rgba(255,255,255,.7);line-height:1.65;margin:0 0 24px;max-width:540px}
.tsp-hero__ctas{display:flex;gap:12px;flex-wrap:wrap}
.tsp-btn{display:inline-flex;align-items:center;gap:8px;padding:12px 26px;border-radius:10px;font-size:14px;font-weight:700;text-decoration:none;transition:.2s;cursor:pointer;border:none}
.tsp-btn--primary{background:linear-gradient(135deg,var(--indigo),var(--violet));color:#fff;box-shadow:0 4px 18px rgba(79,70,229,.5)}
.tsp-btn--primary:hover{transform:translateY(-2px);box-shadow:0 8px 26px rgba(79,70,229,.6);color:#fff}
.tsp-btn--ghost{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);color:#fff}
.tsp-btn--ghost:hover{background:rgba(255,255,255,.15);color:#fff}
.tsp-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:14px;padding:20px;position:relative}
/* Admit-card chip: a perforated top edge nods to the tear-off
   admit-card slip every exam aspirant has handled. */
.tsp-stat{
  text-align:center;position:relative;padding-top:10px;
  background:rgba(255,255,255,.03);border-radius:10px;
}
.tsp-stat::before{
  content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:60%;height:1px;
  background-image:radial-gradient(circle,rgba(255,255,255,.35) 1px,transparent 1.4px);
  background-size:7px 1px;background-repeat:repeat-x;
}
.tsp-stat__num{font-size:28px;font-weight:900;color:#fff;line-height:1;font-family:var(--font-display,'Outfit',sans-serif)}
.tsp-stat__unit{font-size:18px;color:#a5b4fc}
.tsp-stat__lbl{font-size:11px;color:rgba(255,255,255,.55);margin-top:2px;font-weight:600}
.tsp-hero__wave{position:absolute;bottom:0;left:0;right:0;line-height:0}
.tsp-hero__wave svg{width:100%;height:52px}

/* ── OMR Signature Strip ──────────────────────────────────
   The one bold, memorable element: a tiny animated answer-sheet
   row that fills in and marks correct on a loop — a quiet visual
   echo of "click any option, get the answer instantly" without
   repeating the sentence. Sits right under the hero CTAs. */
.tsp-omr{
  display:inline-flex;align-items:center;gap:10px;margin-top:22px;
  padding:9px 16px 9px 14px;border-radius:30px;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);
}
.tsp-omr__label{font-size:10.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:rgba(255,255,255,.45)}
.tsp-omr__row{display:flex;gap:6px}
.tsp-omr__bubble{
  width:16px;height:16px;border-radius:50%;border:1.6px solid rgba(255,255,255,.3);
  position:relative;flex-shrink:0;
}
.tsp-omr__bubble span{
  position:absolute;inset:3px;border-radius:50%;background:var(--marigold);
  transform:scale(0);transition:transform .25s var(--ease-spring,cubic-bezier(.34,1.56,.64,1));
}
.tsp-omr__bubble.is-correct{border-color:#4ade80}
.tsp-omr__bubble.is-correct span{background:#4ade80;transform:scale(1)}
.tsp-omr__bubble.is-filling span{transform:scale(1)}

/* ── SIDEBAR ─────────────────────────────── */
.tsp-sidebar{position:sticky;top:56px;height:fit-content}
@media(max-width:1000px){.tsp-sidebar{position:static}}
.tsp-progress-banner{
  background:linear-gradient(135deg,var(--indigo),var(--violet));color:#fff;
  border-radius:var(--r);padding:18px;margin-bottom:14px;
}
.tsp-progress-banner__title{font-size:14px;font-weight:800;margin:0 0 2px}
.tsp-progress-banner__sub{font-size:12px;opacity:.75;margin:0 0 12px}
.tsp-progress-bar-wrap{height:6px;background:rgba(255,255,255,.2);border-radius:10px;overflow:hidden;margin-bottom:6px}
.tsp-progress-bar-fill{height:100%;background:#fff;border-radius:10px;width:0;transition:width 1s ease}
.tsp-progress-label{font-size:11px;opacity:.75;font-weight:600}

.tsp-sb-card{background:#fff;border-radius:var(--r);border:1px solid var(--border);overflow:hidden;box-shadow:var(--shadow)}
.tsp-sb-head{display:flex;align-items:center;gap:10px;padding:14px 16px;cursor:pointer;user-select:none}
.tsp-sb-icon{width:22px;height:22px;color:var(--indigo)}
.tsp-sb-icon svg{width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.tsp-sb-title{flex:1;font-size:14px;font-weight:700;color:var(--text);margin:0}
.tsp-sb-toggle{color:var(--muted);font-size:12px;transition:transform .2s}
.tsp-sb-toggle.open{transform:rotate(180deg)}
.tsp-sb-collapse{padding:0 8px 8px}
@media(max-width:991px){.tsp-sb-collapse{display:none}.tsp-sb-collapse.open{display:block}}

/* ── 3-Level Accordion: question_types > assignments > sub_assignments ── */
.tsp-acc-l1{list-style:none;margin:0;padding:0}
.tsp-acc-l1-item{border-bottom:1px solid #f1f5f9}
.tsp-acc-l1-item:last-child{border-bottom:none}

.tsp-acc-l1-head{
  display:flex;align-items:center;gap:8px;width:100%;
  padding:10px 12px;background:none;border:none;cursor:pointer;
  text-align:left;font-size:13px;font-weight:700;color:var(--text);
  border-radius:8px;transition:.12s;
}
.tsp-acc-l1-head:hover{background:#f8fafc}
.tsp-acc-l1-head.open{background:#eef2ff;color:var(--indigo)}
.tsp-acc-l1-chevron{
  font-size:10px;color:var(--muted);transition:transform .2s;flex-shrink:0;
  margin-left:auto;
}
.tsp-acc-l1-chevron.open{transform:rotate(90deg);color:var(--indigo)}
.tsp-acc-l1-count{
  background:#f1f5f9;color:var(--muted);padding:1px 8px;border-radius:10px;
  font-size:10.5px;font-weight:700;flex-shrink:0;
}

.tsp-acc-l2-wrap{display:none;padding:2px 0 6px 8px}
.tsp-acc-l2-wrap.open{display:block;animation:tspAccFade .15s ease}
@keyframes tspAccFade{from{opacity:0;transform:translateY(-3px)}to{opacity:1;transform:translateY(0)}}

.tsp-acc-l2-item{margin-bottom:2px}
.tsp-acc-l2-row{display:flex;align-items:center;gap:6px}
.tsp-acc-l2-link{
  flex:1;display:flex;align-items:center;justify-content:space-between;gap:6px;
  padding:7px 10px;border-radius:7px;text-decoration:none;color:var(--text);
  font-size:12.5px;font-weight:500;transition:.12s;
}
.tsp-acc-l2-link:hover,.tsp-acc-l2-link.active{background:#f0f4ff;color:var(--indigo)}
.tsp-acc-l2-link.active{font-weight:700}
.tsp-acc-l2-count{
  background:#eef2ff;color:var(--indigo);padding:1px 7px;border-radius:10px;
  font-size:10.5px;font-weight:700;flex-shrink:0;
}
.tsp-acc-l2-toggle{
  width:22px;height:22px;flex-shrink:0;border:none;background:none;cursor:pointer;
  color:var(--muted);font-size:9px;transition:transform .2s;border-radius:5px;
  display:flex;align-items:center;justify-content:center;
}
.tsp-acc-l2-toggle:hover{background:#f1f5f9}
.tsp-acc-l2-toggle.open{transform:rotate(90deg);color:var(--indigo)}

.tsp-acc-l3-wrap{display:none;padding:2px 0 4px 22px}
.tsp-acc-l3-wrap.open{display:block;animation:tspAccFade .15s ease}
.tsp-acc-l3-link{
  display:flex;align-items:center;justify-content:space-between;gap:6px;
  padding:5px 9px;border-radius:6px;text-decoration:none;color:var(--muted);
  font-size:12px;font-weight:500;transition:.12s;
}
.tsp-acc-l3-link:hover,.tsp-acc-l3-link.active{background:#f8fafc;color:var(--indigo)}
.tsp-acc-l3-link.active{font-weight:700;color:var(--indigo)}
.tsp-acc-l3-count{
  background:#f8fafc;color:#94a3b8;padding:0 6px;border-radius:8px;
  font-size:10px;font-weight:700;flex-shrink:0;
}
.tsp-acc-empty{padding:14px;text-align:center;font-size:12px;color:var(--muted)}

.tsp-q-cat-tag{background:#e0f2fe;color:#0369a1}

.tsp-sb-cta{background:linear-gradient(135deg,#f0f4ff,#ede9fe);border-radius:8px;padding:14px;margin-top:8px}
.tsp-sb-cta h4{font-size:13px;font-weight:800;color:var(--text);margin:0 0 4px}
.tsp-sb-cta p{font-size:12px;color:var(--muted);margin:0 0 10px}
.tsp-sb-cta-btn{
  display:block;text-align:center;background:linear-gradient(135deg,var(--indigo),var(--violet));
  color:#fff;padding:9px;border-radius:8px;font-size:13px;font-weight:700;text-decoration:none;
}
.tsp-sb-cta-btn:hover{opacity:.92;color:#fff}

/* ── Questions ───────────────────────────── */
.tsp-q-list{display:flex;flex-direction:column;gap:14px}
.tsp-pager{
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;
  background:#fff;border-radius:10px;border:1px solid var(--border);
  padding:12px 18px;font-size:12.5px;color:var(--muted);margin-top:16px;
}

/* ── Trending Categories Strip ───────────────── */
.tsp-trend-bleed{width:100%;background:#fff;border-bottom:1px solid var(--border)}
.tsp-trend{
  max-width:1315px;margin:0 auto;padding:12px 24px;
  display:flex;align-items:center;gap:14px;
}
.tsp-trend__label{
  font-size:12px;font-weight:800;color:var(--marigold-dk);white-space:nowrap;flex-shrink:0;
  display:flex;align-items:center;gap:5px;
}
.tsp-trend__scroller{
  display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding-bottom:2px;
}
.tsp-trend__scroller::-webkit-scrollbar{display:none}
.tsp-trend__chip{
  flex-shrink:0;display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;border-radius:20px;border:1px solid var(--border);
  background:#f8fafc;color:var(--text);font-size:12.5px;font-weight:600;
  text-decoration:none;white-space:nowrap;transition:.15s;
}
.tsp-trend__chip:hover{border-color:var(--indigo);background:#eef2ff;color:var(--indigo)}
.tsp-trend__chip.active{background:linear-gradient(135deg,var(--indigo),var(--violet));border-color:transparent;color:#fff}
.tsp-trend__count{
  background:rgba(0,0,0,.06);padding:0 7px;border-radius:10px;font-size:10.5px;font-weight:700;
}
.tsp-trend__chip.active .tsp-trend__count{background:rgba(255,255,255,.22)}
@media(max-width:640px){.tsp-trend__label{display:none}}

/* ── Misc ────────────────────────────────── */
.hidden{display:none!important}

/* ── Student Dashboard Card (logged-in users only) ───────────────── */
.tsp-dash-bleed{width:100%;margin:0 0 18px 0;}
.tsp-dash{
  background:linear-gradient(135deg,#ffffff 0%,#f8faff 100%);
  border:1px solid var(--border);
  border-radius:var(--r);
  padding:22px 24px;
  box-shadow:var(--shadow);
}
.tsp-dash__top{
  display:flex;align-items:flex-start;justify-content:space-between;
  flex-wrap:wrap;gap:16px;margin-bottom:16px;
}
.tsp-dash__greet{display:flex;align-items:center;gap:14px;}
.tsp-dash__avatar{
  width:52px;height:52px;border-radius:50%;
  background:linear-gradient(135deg,var(--indigo),var(--violet));
  color:#fff;font-size:22px;font-weight:800;
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.tsp-dash__hello{font-size:1.15rem;font-weight:800;color:var(--text);margin:0 0 3px 0;}
.tsp-dash__sub{font-size:13px;color:var(--muted);margin:0;}
.tsp-dash__actions{display:flex;gap:10px;flex-wrap:wrap;}
.tsp-dash__btn{
  font-size:12.5px;font-weight:700;padding:8px 14px;border-radius:8px;
  text-decoration:none;white-space:nowrap;transition:all .15s;
}
.tsp-dash__btn--ghost{
  background:#fff;color:var(--indigo);border:1.5px solid var(--border);
}
.tsp-dash__btn--ghost:hover{border-color:var(--indigo);background:#f5f3ff;}

.tsp-dash__quicklinks{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px;}
.tsp-dash__chip{
  font-size:13px;font-weight:700;padding:9px 16px;border-radius:20px;
  text-decoration:none;background:#f1f5f9;color:var(--text);
  border:1px solid var(--border);transition:all .15s;
}
.tsp-dash__chip:hover{background:#e2e8f0;}
.tsp-dash__chip--primary{
  background:linear-gradient(135deg,var(--indigo),var(--violet));
  color:#fff;border-color:transparent;
}
.tsp-dash__chip--primary:hover{opacity:.92;}

.tsp-dash__catslabel{font-size:12.5px;font-weight:700;color:var(--muted);margin:0 0 10px 0;text-transform:uppercase;letter-spacing:.4px;}
.tsp-dash__catgrid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;
}
.tsp-dash__cat{
  display:flex;flex-direction:column;gap:3px;
  background:#fff;border:1px solid var(--border);border-radius:10px;
  padding:12px 14px;text-decoration:none;transition:all .15s;
}
.tsp-dash__cat:hover{border-color:var(--indigo);box-shadow:0 2px 8px rgba(79,70,229,.12);}

/* Subject pill — same shape/weight as the admin question-table's .subject-pill */
.tsp-dash__subject-pill{
  display:inline-block;align-self:flex-start;
  background:#eef2ff;color:var(--indigo);
  border-radius:20px;padding:3px 11px;
  font-size:12.5px;font-weight:700;white-space:nowrap;
}

/* Count badge — same shape as the admin table's .level-badge, tiered by volume */
.tsp-dash__count-badge{
  display:inline-block;align-self:flex-start;
  border-radius:6px;padding:3px 10px;
  font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.3px;
}
.tsp-dash__count-hi  {background:#d1fae5;color:#065f46;}
.tsp-dash__count-mid {background:#fef3c7;color:#92400e;}
.tsp-dash__count-lo  {background:#f1f5f9;color:#475569;}

@media (max-width:640px){
  .tsp-dash{padding:18px 16px;}
  .tsp-dash__top{flex-direction:column;}
  .tsp-dash__actions{width:100%;}
  .tsp-dash__btn{flex:1;text-align:center;}
}