/* ==========================================================================
   NEET UG 2027 — Core Stylesheet
   ========================================================================== */

:root {
  --color-primary: #0b3d62;
  --color-primary-light: #12588c;
  --color-primary-dark: #072840;
  --color-accent: #d98e04;
  --color-accent-light: #f5b342;
  --color-success: #1a7f4e;
  --color-danger: #c62828;
  --color-warning: #b8860b;
  --color-bio: #1a7f4e;
  --color-physics: #12588c;
  --color-chem: #8c2f9e;

  --bg-page: #f6f7fb;
  --bg-card: #ffffff;
  --bg-muted: #eef1f7;
  --border-color: #dde2ec;
  --text-main: #1c2531;
  --text-muted: #5a6472;
  --text-inverse: #ffffff;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(15, 30, 60, 0.08);
  --shadow-md: 0 6px 20px rgba(15, 30, 60, 0.10);
  --shadow-lg: 0 14px 40px rgba(15, 30, 60, 0.16);

  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-serif: Georgia, "Times New Roman", serif;
  --max-width: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
/* Keeps anchor-scrolled sections from landing underneath the sticky header
   (and, on module pages, the sticky in-page tab bar stacked below it). */
section[id] { scroll-margin-top: 120px; }
body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--bg-page);
  color: var(--text-main);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--color-primary-light); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { line-height: 1.25; margin: 0 0 .5em; font-weight: 700; }
p { margin: 0 0 1em; }
ul, ol { margin: 0 0 1em; padding-left: 1.3em; }
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------------- Header / Nav ---------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: linear-gradient(120deg, var(--color-primary-dark), var(--color-primary));
  color: var(--text-inverse);
  box-shadow: var(--shadow-md);
}
.nav-bar {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 62px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: .2px;
}
.brand:hover { text-decoration: none; }
.brand-logo {
  width: 40px; height: 40px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  box-shadow: 0 0 0 2px rgba(255,255,255,.18);
}
.brand .logo-mark {
  width: 34px; height: 34px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; font-weight: 900; color: var(--color-primary-dark);
}
.brand .tag {
  font-size: .62rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-accent-light);
  display: block;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-wrap: wrap;
}
.nav-links a {
  color: rgba(255,255,255,.85);
  padding: 8px 12px;
  border-radius: 8px;
  font-size: .88rem;
  font-weight: 600;
  white-space: nowrap;
}
.nav-links a:hover { background: rgba(255,255,255,.1); text-decoration: none; color: #fff; }
.nav-links a.active { background: rgba(255,255,255,.16); color: #fff; }
.nav-toggle {
  display: none;
  background: rgba(255,255,255,.12);
  border: none;
  color: #fff;
  width: 40px; height: 40px;
  border-radius: 8px;
  font-size: 1.1rem;
  cursor: pointer;
}

@media (max-width: 980px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 62px; left: 0; right: 0;
    background: var(--color-primary-dark);
    flex-direction: column;
    align-items: stretch;
    padding: 10px;
    gap: 4px;
    box-shadow: var(--shadow-lg);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 14px; }
}

/* ---------------- Hero ---------------- */
.hero {
  background:
    radial-gradient(circle at 15% 20%, rgba(217,142,4,.18), transparent 45%),
    radial-gradient(circle at 85% 0%, rgba(140,47,158,.18), transparent 40%),
    linear-gradient(150deg, var(--color-primary-dark), var(--color-primary) 60%, var(--color-primary-light));
  color: #fff;
  padding: 64px 0 56px;
}
.hero .eyebrow {
  display: inline-block;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.25);
  padding: 5px 14px;
  border-radius: 999px;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .05em;
  margin-bottom: 18px;
}
.hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.75rem);
  max-width: 820px;
  margin-bottom: 14px;
}
.hero p.lead {
  max-width: 680px;
  font-size: 1.05rem;
  color: rgba(255,255,255,.86);
}
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 10px;
  font-weight: 700;
  font-size: .92rem;
  cursor: pointer;
  border: 1px solid transparent;
}
.btn-primary { background: var(--color-accent); color: #241800; }
.btn-primary:hover { background: var(--color-accent-light); text-decoration: none; }
.btn-outline { background: transparent; color: #fff; border-color: rgba(255,255,255,.5); }
.btn-outline:hover { background: rgba(255,255,255,.12); text-decoration: none; }
.btn-dark { background: var(--color-primary); color: #fff; }
.btn-dark:hover { background: var(--color-primary-light); text-decoration: none; }
.btn-sm { padding: 7px 12px; font-size: .8rem; border-radius: 8px; }
.btn-block { width: 100%; justify-content: center; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

.stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 16px;
  margin-top: 40px;
}
.stat-box {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.16);
  border-radius: var(--radius-md);
  padding: 14px 16px;
}
.stat-box .num { font-size: 1.5rem; font-weight: 800; color: var(--color-accent-light); }
.stat-box .lbl { font-size: .78rem; color: rgba(255,255,255,.75); }

/* ---------------- Sections ---------------- */
section.section { padding: 56px 0; }
section.section.muted { background: var(--bg-muted); }
.section-head { max-width: 680px; margin-bottom: 32px; }
.section-head .kicker {
  color: var(--color-accent);
  font-weight: 800;
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 8px;
  display: block;
}
.section-head h2 { font-size: clamp(1.4rem, 2.6vw, 1.9rem); }
.section-head p { color: var(--text-muted); }

/* ---------------- Cards / Grids ---------------- */
.grid { display: grid; gap: 20px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 980px) { .grid-4 { grid-template-columns: repeat(2,1fr); } .grid-3 { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 640px) { .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; } }

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 22px;
  box-shadow: var(--shadow-sm);
  transition: transform .15s ease, box-shadow .15s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }

.subject-card { display: flex; flex-direction: column; gap: 10px; color: var(--text-main); }
.subject-card:hover { text-decoration: none; }
.subject-card .icon {
  width: 46px; height: 46px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.35rem; color: #fff; font-weight: 800;
}
.subject-card .icon.physics { background: linear-gradient(135deg, #12588c, #1c7fc4); }
.subject-card .icon.chem { background: linear-gradient(135deg, #8c2f9e, #b04ac2); }
.subject-card .icon.botany { background: linear-gradient(135deg, #1a7f4e, #33a86b); }
.subject-card .icon.zoology { background: linear-gradient(135deg, #b8860b, #e0a52a); }
.subject-card h3 { margin: 4px 0 0; font-size: 1.1rem; }
.subject-card p { color: var(--text-muted); font-size: .88rem; margin-bottom: 4px; }
.subject-card .meta { font-size: .78rem; color: var(--text-muted); display:flex; gap:14px; }

.feature-card { display: flex; flex-direction: column; gap: 10px; }
.feature-card .icon-chip {
  width: 40px; height: 40px; border-radius: 10px;
  background: var(--bg-muted); color: var(--color-primary);
  display: flex; align-items: center; justify-content: center; font-size: 1.1rem;
}
.feature-card h3 { font-size: 1rem; margin-bottom: 2px; }
.feature-card p { color: var(--text-muted); font-size: .88rem; margin: 0; }

/* ---------------- Badges / Tags ---------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: .72rem;
  font-weight: 700;
  background: var(--bg-muted);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
}
.badge.gold { background: #fdf0d8; color: #8a5a00; border-color: #f3d99b; }
.badge.green { background: #e3f6ec; color: #14653f; border-color: #b9e6cd; }
.badge.blue { background: #e6f1fb; color: #0b4d7a; border-color: #b8dcf3; }
.badge.purple { background: #f4e7f7; color: #6c2179; border-color: #e0bfe9; }
.badge.red { background: #fbe6e6; color: #a11f1f; border-color: #f1bcbc; }
.badge.dot::before { content: "●"; font-size: .55rem; }

.path-track { display: flex; align-items: center; gap: 0; margin: 18px 0; flex-wrap: wrap; }
.path-step {
  padding: 8px 16px; border-radius: 999px; font-size: .82rem; font-weight: 700;
  background: var(--bg-muted); color: var(--text-muted); border: 1px solid var(--border-color);
}
.path-step.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.path-arrow { color: var(--text-muted); padding: 0 8px; font-weight: 700; }

/* ---------------- Chapter / syllabus lists ---------------- */
.unit-block {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  margin-bottom: 18px;
  overflow: hidden;
}
.unit-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px;
  background: var(--bg-muted);
  border-bottom: 1px solid var(--border-color);
  gap: 12px; flex-wrap: wrap;
}
.unit-head h3 { margin: 0; font-size: 1.02rem; }
.unit-head .unit-no {
  display: inline-flex; align-items:center; justify-content:center;
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--color-primary); color: #fff; font-size: .78rem; font-weight: 800; margin-right: 8px;
}
.chapter-list { list-style: none; margin: 0; padding: 0; }
.chapter-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 13px 20px; border-bottom: 1px solid var(--border-color);
  gap: 12px; flex-wrap: wrap;
}
.chapter-row:last-child { border-bottom: none; }
.chapter-row:hover { background: #fbfbfe; }
.chapter-name { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: .93rem; }
.chapter-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.chapter-actions { display: flex; gap: 8px; align-items: center; }
.weight-pill {
  font-size: .72rem; font-weight: 700; color: var(--text-muted);
  background: var(--bg-muted); padding: 3px 9px; border-radius: 999px; border: 1px solid var(--border-color);
}

/* ---------------- Tables ---------------- */
table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border-color); }
th { background: var(--bg-muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .03em; color: var(--text-muted); }
tr:last-child td { border-bottom: none; }
.table-wrap { overflow-x: auto; border: 1px solid var(--border-color); border-radius: var(--radius-md); }
.table-wrap table { border: none; }

/* ---------------- Module page ---------------- */
.module-hero {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  padding: 28px 0;
}
.breadcrumb { font-size: .82rem; color: var(--text-muted); margin-bottom: 10px; }
.breadcrumb a { color: var(--text-muted); }
.breadcrumb .sep { margin: 0 6px; }
.module-tabs {
  position: sticky; top: 62px; z-index: 90;
  background: #fff; border-bottom: 1px solid var(--border-color);
  overflow-x: auto;
}
.module-tabs .tab-row { display: flex; gap: 4px; max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }
.module-tabs a {
  padding: 13px 16px; font-size: .86rem; font-weight: 700; color: var(--text-muted);
  border-bottom: 3px solid transparent; white-space: nowrap;
}
.module-tabs a:hover { color: var(--color-primary); text-decoration: none; }
.module-tabs a.active { color: var(--color-primary); border-bottom-color: var(--color-accent); }

.callout {
  border-radius: var(--radius-md);
  padding: 16px 18px;
  margin: 18px 0;
  border: 1px solid var(--border-color);
  background: var(--bg-muted);
}
.callout h4 { margin: 0 0 6px; font-size: .92rem; display:flex; align-items:center; gap:8px; }
.callout.nta { background: #fdf3e2; border-color: #f3d99b; }
.callout.nta h4 { color: #8a5a00; }
.callout.tip { background: #e9f6ff; border-color: #bfe3f7; }
.callout.tip h4 { color: #0b5b85; }
.callout.warn { background: #fdeaea; border-color: #f3bcbc; }
.callout.warn h4 { color: #a11f1f; }
.callout.story { background: linear-gradient(135deg,#fbf2e4,#f7e9d3); border-color: #eccf9a; }
.callout.story h4 { color: #7a4b06; }

.ncert-line {
  display: flex; gap: 10px; align-items: flex-start; padding: 10px 0;
  border-top: 1px dashed var(--border-color);
}
.ncert-line:first-child { border-top: none; }
.ncert-tag {
  flex-shrink: 0; font-size: .68rem; font-weight: 800; color: var(--color-primary);
  background: #e6f1fb; border: 1px solid #bcdcf3; padding: 3px 8px; border-radius: 6px; white-space: nowrap;
}

.formula-sheet { background: #0b3d62; color: #fff; border-radius: var(--radius-lg); padding: 22px; }
.formula-sheet h4 { color: var(--color-accent-light); font-size: .82rem; text-transform: uppercase; letter-spacing: .05em; margin-bottom: 10px;}
.formula-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(220px,1fr)); gap: 12px; }
.formula-item { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.14); border-radius: 10px; padding: 12px 14px; }
.formula-item .f-name { font-size: .74rem; color: rgba(255,255,255,.65); margin-bottom: 4px; }
.formula-item .f-expr { font-family: var(--font-serif); font-size: 1.05rem; }

.qbox { border: 1px solid var(--border-color); border-radius: var(--radius-md); margin-bottom: 14px; overflow: hidden; }
.qbox .q-head { padding: 14px 16px; font-weight: 600; font-size: .93rem; background: #fbfbfe; }
.qbox .q-options { list-style: none; margin: 0; padding: 0 16px 14px; display: grid; gap: 8px; }
.qbox .q-options li { padding: 8px 12px; border: 1px solid var(--border-color); border-radius: 8px; font-size: .88rem; }
.qbox details { border-top: 1px solid var(--border-color); }
.qbox summary { cursor: pointer; padding: 10px 16px; font-size: .82rem; font-weight: 700; color: var(--color-primary); }
.qbox .sol { padding: 0 16px 16px; font-size: .88rem; color: var(--text-muted); }
.answer-correct { border-color: var(--color-success) !important; background: #eefaf2; }

.dpp-grid { display: grid; gap: 10px; }
.dpp-item { display: flex; gap: 10px; padding: 10px 0; border-bottom: 1px dashed var(--border-color); font-size: .9rem; }
.dpp-item:last-child { border-bottom: none; }
.dpp-item .dpp-no { font-weight: 800; color: var(--color-primary); flex-shrink: 0; }

/* ---------------- Mock test engine ---------------- */
.test-shell { display: grid; grid-template-columns: 1fr 300px; gap: 20px; align-items: start; }
@media (max-width: 900px) { .test-shell { grid-template-columns: 1fr; } }
.test-header {
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  background: var(--color-primary-dark); color: #fff; padding: 14px 20px; border-radius: var(--radius-md); margin-bottom: 18px;
}
.timer { font-size: 1.3rem; font-weight: 800; font-variant-numeric: tabular-nums; color: var(--color-accent-light); }
.test-progress { font-size: .82rem; color: rgba(255,255,255,.8); }
.q-panel { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-lg); padding: 22px; }
.q-panel .q-meta { display: flex; gap: 8px; margin-bottom: 14px; }
.q-panel .q-text { font-size: 1.02rem; font-weight: 600; margin-bottom: 16px; }
.options-list { list-style: none; margin: 0 0 20px; padding: 0; display: grid; gap: 10px; }
.opt {
  border: 1.5px solid var(--border-color); border-radius: 10px; padding: 12px 14px;
  cursor: pointer; display: flex; gap: 10px; align-items: center; font-size: .93rem;
}
.opt:hover { border-color: var(--color-primary-light); }
.opt.selected { border-color: var(--color-primary); background: #eaf3fb; font-weight: 600; }
.opt .opt-key {
  width: 24px; height: 24px; border-radius: 50%; background: var(--bg-muted); border: 1px solid var(--border-color);
  display: flex; align-items: center; justify-content: center; font-size: .76rem; font-weight: 800; flex-shrink: 0;
}
.opt.selected .opt-key { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.q-nav-actions { display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; }

.palette-box { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-lg); padding: 18px; position: sticky; top: 80px; }
.palette-legend { display: flex; flex-wrap: wrap; gap: 8px; font-size: .72rem; margin-bottom: 14px; }
.palette-legend span { display: flex; align-items: center; gap: 5px; }
.legend-dot { width: 10px; height: 10px; border-radius: 3px; display: inline-block; }
.palette-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 6px; margin-bottom: 16px; }
.palette-grid.subject-block { margin-bottom: 10px; }
.p-btn {
  aspect-ratio: 1; border-radius: 6px; border: 1px solid var(--border-color); background: var(--bg-muted);
  font-size: .74rem; font-weight: 700; cursor: pointer; color: var(--text-muted);
}
.p-btn.answered { background: var(--color-success); color: #fff; border-color: var(--color-success); }
.p-btn.marked { background: var(--color-warning); color: #fff; border-color: var(--color-warning); }
.p-btn.visited { background: #f0d9d9; border-color: #e3b6b6; color: #a11f1f; }
.p-btn.current { outline: 2px solid var(--color-primary); outline-offset: 1px; }
.subject-label { font-size: .74rem; font-weight: 800; color: var(--text-muted); margin: 10px 0 6px; text-transform: uppercase; letter-spacing: .04em; }

/* ---------------- Flashcards ---------------- */
.flash-stage { display: flex; flex-direction: column; align-items: center; gap: 20px; }
.flashcard {
  width: min(560px, 100%); min-height: 220px; border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: #fff; display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: 30px; cursor: pointer; box-shadow: var(--shadow-lg); position: relative;
}
.flashcard .fc-tag { position: absolute; top: 14px; left: 16px; font-size: .7rem; opacity: .75; font-weight: 700; }
.flashcard .fc-front { font-size: 1.2rem; font-weight: 700; }
.flashcard .fc-back { font-size: 1.05rem; display: none; }
.flashcard.flipped .fc-front { display: none; }
.flashcard.flipped .fc-back { display: block; }
.flashcard .fc-hint { font-size: .76rem; opacity: .65; margin-top: 14px; }
.grade-row { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }
.grade-btn { border: none; padding: 12px 18px; border-radius: 10px; font-weight: 700; font-size: .86rem; cursor: pointer; color: #fff; }
.grade-again { background: var(--color-danger); }
.grade-hard { background: var(--color-warning); }
.grade-good { background: var(--color-success); }
.grade-easy { background: var(--color-primary); }
.deck-picker { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; }
.deck-chip {
  padding: 8px 14px; border-radius: 999px; border: 1px solid var(--border-color); background: var(--bg-card);
  font-size: .82rem; font-weight: 700; cursor: pointer; color: var(--text-muted);
}
.deck-chip.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

/* ---------------- Planner ---------------- */
.plan-block { display: flex; gap: 14px; align-items: flex-start; padding: 16px; border: 1px solid var(--border-color); border-radius: var(--radius-md); margin-bottom: 12px; background: var(--bg-card); }
.plan-time { flex-shrink: 0; width: 74px; font-weight: 800; color: var(--color-primary); font-size: .86rem; }
.plan-block h4 { margin: 0 0 4px; font-size: .95rem; }
.plan-block p { margin: 0; font-size: .84rem; color: var(--text-muted); }
.log-form { display: grid; grid-template-columns: repeat(auto-fit,minmax(160px,1fr)); gap: 12px; margin-bottom: 16px; }
.log-form label { font-size: .78rem; font-weight: 700; color: var(--text-muted); display: block; margin-bottom: 4px; }
.log-form input, .log-form select {
  width: 100%; padding: 9px 11px; border: 1px solid var(--border-color); border-radius: 8px; font-size: .9rem; font-family: inherit;
}
.readiness-ring { display: flex; align-items: center; gap: 20px; }
.ring-num { font-size: 2.4rem; font-weight: 800; color: var(--color-primary); }

/* ---------------- Footer ---------------- */
.site-footer { background: var(--color-primary-dark); color: rgba(255,255,255,.75); padding: 40px 0 24px; margin-top: 60px; font-size: .86rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 24px; margin-bottom: 26px; }
@media (max-width: 780px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer-grid h5 { color: #fff; font-size: .82rem; text-transform: uppercase; letter-spacing: .05em; margin-bottom: 12px; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin-bottom: 8px; }
.footer-grid a { color: rgba(255,255,255,.72); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.14); padding-top: 18px; font-size: .78rem; display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; }

/* ---------------- Utility ---------------- */
.text-muted { color: var(--text-muted); }
.mt-0 { margin-top: 0; } .mb-0 { margin-bottom: 0; }
.flex { display: flex; } .items-center { align-items: center; } .justify-between { justify-content: space-between; }
.gap-8 { gap: 8px; } .gap-12 { gap: 12px; }
.small { font-size: .82rem; }
.center { text-align: center; }
.disclaimer-box {
  background: #fff8e6; border: 1px solid #f0dfa8; color: #6b5306;
  border-radius: var(--radius-md); padding: 14px 16px; font-size: .82rem; margin: 20px 0;
}
.print-btn { display: inline-flex; }

/* ---------------- WhatsApp quick-chat bubble ---------------- */
.wa-fab {
  position: fixed; right: 22px; bottom: 22px; z-index: 999;
  width: 58px; height: 58px; border-radius: 50%; border: none; cursor: pointer;
  background: #25D366; box-shadow: 0 6px 18px rgba(0,0,0,.28);
  display: flex; align-items: center; justify-content: center;
  transition: transform .15s ease;
  animation: wa-pulse 1.8s ease-out 3;
}
.wa-fab:hover { transform: scale(1.07); }
.wa-fab svg { width: 30px; height: 30px; fill: #fff; }
.wa-fab.is-open { background: var(--color-primary-dark); }
@keyframes wa-pulse {
  0% { box-shadow: 0 6px 18px rgba(0,0,0,.28), 0 0 0 0 rgba(37,211,102,.55); }
  70% { box-shadow: 0 6px 18px rgba(0,0,0,.28), 0 0 0 14px rgba(37,211,102,0); }
  100% { box-shadow: 0 6px 18px rgba(0,0,0,.28), 0 0 0 0 rgba(37,211,102,0); }
}

.wa-popup {
  position: fixed; right: 22px; bottom: 92px; z-index: 999;
  width: 310px; max-width: calc(100vw - 40px);
  background: #fff; border-radius: 14px; overflow: hidden;
  box-shadow: 0 16px 44px rgba(0,0,0,.25);
  display: none; flex-direction: column;
  opacity: 0; transform: translateY(12px);
  transition: opacity .15s ease, transform .15s ease;
}
.wa-popup.open { display: flex; opacity: 1; transform: translateY(0); }
.wa-popup-header {
  background: var(--color-primary-dark); color: #fff;
  padding: 13px 14px; display: flex; align-items: center; justify-content: space-between;
}
.wa-title { display: flex; align-items: center; gap: 8px; font-weight: 800; font-size: .9rem; }
.wa-status-dot { width: 8px; height: 8px; border-radius: 50%; background: #25D366; box-shadow: 0 0 0 2px rgba(255,255,255,.25); }
.wa-popup-close { background: transparent; border: none; color: #fff; font-size: 1.3rem; line-height: 1; cursor: pointer; opacity: .8; padding: 0 2px; }
.wa-popup-close:hover { opacity: 1; }
.wa-popup-body { background: #e9ddce; padding: 16px; }
.wa-msg-bubble {
  background: #fff; border-radius: 10px 10px 10px 2px; padding: 10px 12px;
  font-size: .84rem; line-height: 1.5; color: var(--text-main);
  box-shadow: 0 1px 2px rgba(0,0,0,.1); max-width: 92%;
}
.wa-popup-footer { display: flex; gap: 8px; padding: 10px; border-top: 1px solid var(--border-color); background: #fff; }
.wa-popup-footer input {
  flex: 1; min-width: 0; border: 1px solid var(--border-color); border-radius: 20px;
  padding: 9px 14px; font-size: .84rem; font-family: inherit;
}
.wa-popup-footer input:focus { outline: none; border-color: #25D366; }
.wa-send-btn {
  width: 38px; height: 38px; border-radius: 50%; background: #25D366; border: none;
  display: flex; align-items: center; justify-content: center; cursor: pointer; flex-shrink: 0;
}
.wa-send-btn:hover { background: #1fb959; }
.wa-send-btn svg { width: 17px; height: 17px; fill: #fff; }

/* ---------------- Marketplace dashboard (shopping-cart look) ---------------- */
.dash-stat-bar {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(140px,1fr)); gap: 14px; margin: 20px 0 28px;
}
.dash-stat {
  background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-md);
  padding: 14px 16px; text-align: center;
}
.dash-stat .num { font-size: 1.5rem; font-weight: 800; color: var(--color-primary); }
.dash-stat .lbl { font-size: .76rem; color: var(--text-muted); }

.listing-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 20px; }
.listing-card {
  position: relative; background: var(--bg-card); border: 1px solid var(--border-color);
  border-radius: var(--radius-lg); padding: 22px 20px 18px; box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column; gap: 8px; transition: transform .15s ease, box-shadow .15s ease;
}
.listing-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.listing-card .price-tag {
  position: absolute; top: -11px; right: 16px; background: var(--color-accent); color: #241800;
  font-weight: 800; font-size: .76rem; padding: 5px 12px; border-radius: 999px;
  box-shadow: 0 3px 8px rgba(0,0,0,.18);
}
.listing-card .lc-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.listing-card .lc-title { font-size: 1.02rem; font-weight: 800; margin: 2px 0 0; color: var(--text-main); }
.listing-card .lc-sub { font-size: .8rem; color: var(--text-muted); }
.listing-card .lc-desc { font-size: .86rem; color: var(--text-main); line-height: 1.5; flex-grow: 1; }
.listing-card .lc-footer { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-top: 10px; padding-top: 10px; border-top: 1px dashed var(--border-color); }
.listing-card .lc-date { font-size: .72rem; color: var(--text-muted); }

.listing-empty, .listing-error, .listing-loading {
  text-align: center; padding: 50px 20px; color: var(--text-muted); background: var(--bg-card);
  border: 1px dashed var(--border-color); border-radius: var(--radius-lg);
}
.listing-error { color: var(--color-danger); border-color: #f1bcbc; background: #fdeaea; }

@media (max-width: 480px) {
  .wa-fab { right: 16px; bottom: 16px; width: 52px; height: 52px; }
  .wa-fab svg { width: 26px; height: 26px; }
  .wa-popup { right: 12px; bottom: 80px; }
}

@media print {
  .site-header, .site-footer, .module-tabs, .no-print, .nav-toggle, #waWidgetRoot, .wa-fab, .wa-popup { display: none !important; }
  body { background: #fff; }
  .container { max-width: 100%; }
  .card, .unit-block, .qbox, .callout, .formula-sheet { break-inside: avoid; }
}