:root {
  --paper: #F7F1E4;
  --paper-soft: #F1E9D6;
  --paper-edge: #EBE0C2;
  --border: #E2D4B5;
  --border-strong: #C9B898;
  --surface: rgba(255,255,255,0.55);
  --ink: #1B1E22;
  --ink-2: #2E2F33;
  --muted: #756B58;
  --faint: #A39884;
  --accent: #B53A2A;
  --accent-2: #D7572F;
  --accent-soft: #F6E6DE;
  --emerald: #3B6F4D;
  --amber: #A36418;
  --blue: #2A4A77;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--paper);
  background-image:
    radial-gradient(circle at 20% 25%, rgba(180,140,80,0.03) 0, transparent 35%),
    radial-gradient(circle at 75% 70%, rgba(140,100,50,0.025) 0, transparent 38%);
  background-attachment: fixed;
  color: var(--ink);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 15.5px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}
a { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; transition: color .2s; }
a:hover { color: var(--accent); }
::selection { background: var(--accent-soft); color: var(--accent); }
code, pre { font-family: 'JetBrains Mono', ui-monospace, monospace; }

/* TOPBAR */
.top {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 36px;
  background: rgba(247, 241, 228, 0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.top .brand {
  font-family: 'Crimson Pro', serif;
  font-style: italic;
  font-size: 28px;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.01em;
  text-decoration: none;
  display: inline-flex; align-items: baseline; gap: 2px;
}
.top .brand .mark {
  font-family: 'Caveat', cursive;
  font-style: normal;
  color: var(--accent);
  font-size: 24px;
  transform: rotate(-8deg);
  display: inline-block;
}
.top nav { display: flex; gap: 24px; }
.top nav a {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11.5px;
  color: var(--muted);
  text-decoration: none;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.top nav a:hover, .top nav a.active { color: var(--accent); }
.top nav a.cta {
  color: var(--accent);
  border-bottom: 1.5px solid var(--accent);
  padding-bottom: 2px;
}

.wrap { max-width: 920px; margin: 0 auto; padding: 60px 36px 100px; position: relative; }
.wrap.wide { max-width: 1080px; }

/* HERO */
.hero { margin-bottom: 76px; position: relative; }
.hero .kicker {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 22px;
  display: flex; align-items: center; gap: 12px;
}
.hero .kicker::before { content: ""; width: 28px; height: 1.5px; background: var(--accent); }
.hero h1 {
  font-family: 'Crimson Pro', serif;
  font-size: 4.6rem;
  font-weight: 500;
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 0;
}
.hero h1 .it { font-style: italic; color: var(--accent); }
.hero .underline-svg { display: block; width: 240px; margin: 10px 0 28px; }
.hero .sub {
  font-family: 'Crimson Pro', serif;
  font-size: 22px;
  font-style: italic;
  color: var(--ink-2);
  line-height: 1.45;
  max-width: 620px;
  margin-bottom: 16px;
  font-weight: 400;
}
.hero .desc {
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  color: var(--muted);
  line-height: 1.7;
  max-width: 580px;
  margin-bottom: 28px;
}
.hero .desc strong { color: var(--ink); font-weight: 600; }

/* SEARCH + CHIPS */
.search { position: relative; margin: 28px 0 18px; max-width: 600px; }
.search input {
  width: 100%;
  padding: 16px 60px 16px 20px;
  background: rgba(255,255,255,0.7);
  border: 2px solid var(--border-strong);
  border-radius: 10px;
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  color: var(--ink);
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.search input::placeholder { color: var(--faint); }
.search input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.search .kbd {
  position: absolute; right: 16px; top: 50%; transform: translateY(-50%);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--muted);
  background: var(--paper-soft);
  border: 1px solid var(--border);
  padding: 4px 8px;
  border-radius: 5px;
}
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; max-width: 620px; }
.chips .l {
  font-family: 'Caveat', cursive;
  font-size: 18px;
  color: var(--muted);
  align-self: center;
  margin-right: 4px;
  transform: rotate(-2deg);
}
.chip {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px;
  font-weight: 500;
  padding: 7px 12px;
  background: rgba(255,255,255,0.6);
  border: 2px solid var(--border);
  border-radius: 7px;
  color: var(--ink-2);
  text-decoration: none;
  letter-spacing: 0.04em;
  transition: all .2s;
  display: inline-block;
}
.chip:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); transform: translateY(-1px); }
.chip.active { background: var(--accent); color: var(--paper); border-color: var(--accent); }

.trust {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--faint);
  letter-spacing: 0.04em;
  margin-top: 32px;
  display: flex; gap: 16px; flex-wrap: wrap;
}
.trust .sep { color: var(--border-strong); }

/* SECTIONS */
section { margin-bottom: 72px; position: relative; }
.sect-h { margin-bottom: 26px; }
.sect-h h2 {
  font-family: 'Crimson Pro', serif;
  font-style: italic;
  font-size: 2.1rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--ink);
  display: flex; align-items: baseline; justify-content: space-between;
  margin-bottom: 10px;
  flex-wrap: wrap; gap: 10px;
}
.sect-h h2 .meta {
  font-family: 'JetBrains Mono', monospace;
  font-style: normal;
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 500;
}
.sect-h .squiggle { width: 100%; height: 10px; opacity: 0.6; display: block; }

/* DEPT CARDS */
.dept {
  margin-bottom: 24px;
  padding: 22px 24px;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: 12px;
}
.dept .dh {
  display: flex; align-items: baseline; gap: 14px;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--border);
  flex-wrap: wrap;
}
.dept .dh .name {
  font-family: 'Crimson Pro', serif;
  font-style: italic;
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--ink);
}
.dept .dh .code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 600;
  background: var(--accent-soft);
  padding: 2.5px 8px;
  border-radius: 4px;
}
.dept .dh .count {
  margin-left: auto;
  font-family: 'Caveat', cursive;
  font-size: 17px;
  color: var(--muted);
}
.dept .courses { display: flex; flex-direction: column; gap: 0; font-family: 'Inter', sans-serif; font-size: 14.5px; }
.dept .courses a {
  text-decoration: none;
  color: var(--ink-2);
  padding: 7px 10px;
  border-radius: 5px;
  display: flex; align-items: baseline; gap: 12px;
  transition: all .18s;
}
.dept .courses a:hover { color: var(--accent); background: var(--accent-soft); }
.dept .courses .cd { font-family: 'JetBrains Mono', monospace; font-size: 12.5px; color: var(--accent); font-weight: 600; min-width: 90px; }
.dept .courses .nm { color: var(--ink-2); font-style: italic; font-family: 'Crimson Pro', serif; font-size: 16px; flex: 1; }
.dept .courses .cnt {
  margin-left: auto;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  color: var(--faint);
}

/* COURSE DETAIL PAGE */
.crumb {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.05em;
  margin-bottom: 24px;
  display: flex; gap: 8px; flex-wrap: wrap;
}
.crumb a { color: var(--muted); text-decoration: none; }
.crumb a:hover { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.crumb .sep { color: var(--border-strong); }
.crumb .cur { color: var(--ink); }

.course-head { margin-bottom: 40px; }
.course-head .code-big {
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  color: var(--accent);
  letter-spacing: 0.1em;
  font-weight: 600;
  background: var(--accent-soft);
  padding: 5px 10px;
  border-radius: 5px;
  display: inline-block;
  margin-bottom: 16px;
}
.course-head h1 {
  font-family: 'Crimson Pro', serif;
  font-style: italic;
  font-size: 3rem;
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--ink);
}
.course-head .desc {
  margin-top: 18px;
  font-size: 16px;
  color: var(--ink-2);
  max-width: 720px;
  line-height: 1.75;
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 18px;
  margin: 32px 0 48px;
  padding: 22px 24px;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: 12px;
}
.meta-grid .it { display: flex; flex-direction: column; gap: 5px; }
.meta-grid .it .lbl {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
}
.meta-grid .it .v {
  font-family: 'Crimson Pro', serif;
  font-style: italic;
  font-size: 1.3rem;
  color: var(--ink);
  font-weight: 500;
}
.meta-grid .it .v.code, .meta-grid .it .v.prereq { font-family: 'JetBrains Mono', monospace; font-style: normal; font-size: 13px; color: var(--accent); font-weight: 600; }
.meta-grid .it .v.prereq a { color: var(--accent); text-decoration: none; }
.meta-grid .it .v.prereq a:hover { text-decoration: underline; text-underline-offset: 3px; }

.empty {
  padding: 36px 40px;
  background: var(--surface);
  border: 2px dashed var(--border-strong);
  border-radius: 14px;
  text-align: left;
}
.empty h3 {
  font-family: 'Crimson Pro', serif;
  font-style: italic;
  font-size: 1.7rem;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 12px;
}
.empty p { color: var(--ink-2); font-size: 15.5px; line-height: 1.7; margin-bottom: 12px; }
.empty p strong { color: var(--ink); font-weight: 600; }
.empty .cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 20px; }
.empty .btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 18px;
  background: var(--accent);
  color: var(--paper);
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 8px;
  transition: all .2s;
  border: 2px solid var(--accent);
}
.empty .btn:hover { background: var(--accent-2); border-color: var(--accent-2); transform: translateY(-1px); }
.empty .btn.ghost { background: transparent; color: var(--accent); }
.empty .btn.ghost:hover { background: var(--accent-soft); }
.empty .note {
  font-family: 'Caveat', cursive;
  font-size: 19px;
  color: var(--accent);
  margin-top: 16px;
  transform: rotate(-1deg);
  display: inline-block;
}

/* WHY */
.why {
  padding: 36px 40px;
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: 14px;
}
.why h3 { font-family: 'Crimson Pro', serif; font-style: italic; font-size: 2rem; font-weight: 500; color: var(--ink); margin-bottom: 18px; }
.why p { color: var(--ink-2); font-size: 16px; margin-bottom: 14px; line-height: 1.75; }
.why p strong { color: var(--ink); font-weight: 600; }
.why p code { font-family: 'JetBrains Mono', monospace; font-size: 13px; background: var(--paper-soft); padding: 1px 6px; border-radius: 3px; color: var(--ink); }
.why .signoff {
  font-family: 'Caveat', cursive;
  font-size: 22px;
  color: var(--accent);
  margin-top: 22px;
  transform: rotate(-1deg);
  display: inline-block;
}

/* EVAL TABLE (per-semester GPA) */
.eval-wrap { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 18px 22px; }
.eval-tab { width: 100%; border-collapse: collapse; font-family: 'Inter', sans-serif; font-size: 14px; }
.eval-tab th { font-family: 'JetBrains Mono', monospace; font-size: 10.5px; color: var(--muted); letter-spacing: 0.08em; text-transform: uppercase; text-align: left; padding: 6px 12px; border-bottom: 1px solid var(--border-strong); }
.eval-tab td { padding: 9px 12px; border-bottom: 1px dashed var(--border); }
.eval-tab td.sem { font-family: 'JetBrains Mono', monospace; font-size: 12.5px; color: var(--ink-2); }
.eval-tab td.cpa { font-family: 'Crimson Pro', serif; font-size: 1.3rem; font-style: italic; }
.eval-tab td.meta-cell { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--muted); }
.eval-note { margin-top: 14px; font-size: 12px; color: var(--muted); line-height: 1.6; font-style: italic; }
.eval-note a { color: var(--blue); text-decoration: none; }
.eval-note a:hover { text-decoration: underline; }

/* SYLLABUS DETAIL */
.syllabus-detail { display: flex; flex-direction: column; gap: 16px; }
.syl-block { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 18px 22px; }
.syl-block h3 { font-family: 'Crimson Pro', serif; font-style: italic; font-size: 1.2rem; font-weight: 500; color: var(--ink); margin-bottom: 10px; }
.syl-block p { color: var(--ink-2); font-size: 14.5px; line-height: 1.7; }
.syl-block ul { list-style: none; padding: 0; }
.syl-block ul li { padding: 7px 0; border-bottom: 1px dashed var(--border); font-size: 14px; color: var(--ink-2); line-height: 1.6; }
.syl-block ul li:last-child { border-bottom: none; }
.syl-block ul li strong { color: var(--ink); }
.tb-badge { display: inline-block; font-family: 'JetBrains Mono', monospace; font-size: 9.5px; padding: 2px 7px; border-radius: 4px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; margin-right: 8px; vertical-align: middle; }
.tb-req { background: var(--accent-soft); color: var(--accent); }
.tb-rec { background: rgba(42,74,119,0.08); color: var(--blue); }
.tb-meta { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--muted); margin-left: 8px; }
.syl-weekly { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 18px 22px; }
.syl-weekly summary { cursor: pointer; color: var(--ink); margin-bottom: 8px; }
.syl-weekly summary h3 { display: inline; font-family: 'Crimson Pro', serif; font-style: italic; font-size: 1.2rem; font-weight: 500; }

/* SECTIONS LIST (per-course current sections) */
.sections-list {
  display: flex; flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 8px 0;
}
.sec-row {
  padding: 11px 22px;
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  color: var(--ink-2);
  border-bottom: 1px dashed var(--border);
  line-height: 1.55;
}
.sec-row:last-child { border-bottom: none; }
.sec-id {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.04em;
}
.sec-inst {
  font-family: 'Crimson Pro', serif;
  font-style: italic;
  font-size: 16px;
  color: var(--ink);
}
.sec-row .meta-mini {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--muted);
}
.sec-row a {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11.5px;
  color: var(--blue);
  text-decoration: none;
}
.sec-row a:hover { color: var(--accent); text-decoration: underline; }

/* SEARCH RESULTS (catalog) */
.results-meta {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11.5px;
  color: var(--muted);
  margin: 14px 0 30px;
  letter-spacing: 0.04em;
}
.no-results { padding: 32px; text-align: center; color: var(--muted); font-style: italic; font-family: 'Crimson Pro', serif; font-size: 17px; }

footer {
  margin-top: 96px;
  padding-top: 28px;
  border-top: 1px dashed var(--border);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 18px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.04em;
}
footer a { color: var(--muted); text-decoration: none; }
footer a:hover { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }

@media (max-width: 720px) {
  .top { padding: 12px 18px; }
  .top nav a:not(.cta) { display: none; }
  .wrap { padding: 40px 18px 60px; }
  .hero h1 { font-size: 2.6rem; }
  .course-head h1 { font-size: 2rem; }
}