/* ── ComplianceGPT Lab REU 2026 — Shared Stylesheet ── */

:root {
  --crimson:  #990000;
  --navy:     #003366;
  --gold:     #f0a500;
  --light-bg: #f8f9fa;
  --border:   #dee2e6;
  --text:     #212529;
  --muted:    #6c757d;
  --sidebar-w: 230px;
  --code-bg:  #1e1e2e;
  --code-fg:  #cdd6f4;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: Georgia, 'Times New Roman', serif;
  color: var(--text);
  background: #fff;
  display: flex;
  min-height: 100vh;
  line-height: 1.7;
}

/* ── Sidebar ── */
#sidebar {
  width: var(--sidebar-w);
  min-width: var(--sidebar-w);
  background: var(--navy);
  color: #fff;
  padding: 0;
  position: fixed;
  top: 0; left: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 100;
}

#sidebar .logo {
  padding: 20px 18px 14px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}

#sidebar .logo .lab-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.3;
}

#sidebar .logo .lab-sub {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.55);
  margin-top: 2px;
  font-family: 'Segoe UI', system-ui, sans-serif;
}

#sidebar nav {
  padding: 8px 0 24px;
}

#sidebar nav .nav-section {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  padding: 14px 18px 4px;
  font-family: 'Segoe UI', system-ui, sans-serif;
}

#sidebar nav a {
  display: block;
  color: rgba(255,255,255,0.75);
  text-decoration: none;
  padding: 5px 18px 5px 20px;
  font-size: 0.83rem;
  font-family: 'Segoe UI', system-ui, sans-serif;
  border-left: 3px solid transparent;
  transition: all 0.15s;
  line-height: 1.4;
}

#sidebar nav a:hover,
#sidebar nav a.active {
  color: #fff;
  background: rgba(255,255,255,0.08);
  border-left-color: var(--gold);
}

/* ── Main Content ── */
#main {
  margin-left: var(--sidebar-w);
  flex: 1;
  padding: 0;
  min-height: 100vh;
}

.page-header {
  background: var(--navy);
  color: #fff;
  padding: 40px 60px 32px;
}

.page-header .breadcrumb {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
  font-family: 'Segoe UI', system-ui, sans-serif;
  margin-bottom: 10px;
}

.page-header h1 {
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1.2;
  color: #fff;
}

.page-header .subtitle {
  font-size: 1rem;
  color: rgba(255,255,255,0.7);
  margin-top: 8px;
  font-family: 'Segoe UI', system-ui, sans-serif;
}

.content {
  padding: 48px 60px;
  max-width: 1100px;
}

/* ── Typography ── */
h1 { font-size: 2rem; color: var(--crimson); margin-bottom: 16px; line-height: 1.3; }
h2 { font-size: 1.45rem; color: var(--navy); margin: 36px 0 14px; line-height: 1.3; border-bottom: 2px solid var(--border); padding-bottom: 6px; }
h3 { font-size: 1.1rem; color: var(--crimson); margin: 24px 0 10px; }
h4 { font-size: 0.95rem; color: var(--navy); margin: 16px 0 8px; font-style: italic; }

p { margin-bottom: 16px; }
p:last-child { margin-bottom: 0; }

ul, ol { padding-left: 24px; margin-bottom: 16px; }
li { margin-bottom: 5px; line-height: 1.6; }

a { color: var(--navy); }
a:hover { color: var(--crimson); }

strong { color: var(--text); }
em { color: var(--muted); }

/* ── Cards ── */
.card {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 20px 24px;
  margin-bottom: 16px;
  background: #fff;
}

.card-crimson { border-left: 4px solid var(--crimson); }
.card-navy    { border-left: 4px solid var(--navy); }
.card-gold    { border-left: 4px solid var(--gold); background: #fffdf5; }

.card h3 { margin-top: 0; }

/* ── Grid ── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }

/* ── Table ── */
table { width: 100%; border-collapse: collapse; font-size: 0.92rem; font-family: 'Segoe UI', system-ui, sans-serif; margin-bottom: 24px; }
th { background: var(--navy); color: #fff; padding: 10px 14px; text-align: left; font-weight: 600; font-size: 0.85rem; }
td { padding: 9px 14px; border-bottom: 1px solid var(--border); vertical-align: top; }
tr:nth-child(even) td { background: var(--light-bg); }
tr:hover td { background: #e8f0fe; }

/* ── Code ── */
code {
  font-family: 'Courier New', Consolas, monospace;
  font-size: 0.87em;
  background: var(--light-bg);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1px 5px;
  color: var(--crimson);
}

pre {
  background: var(--code-bg);
  color: var(--code-fg);
  border-radius: 6px;
  padding: 18px 22px;
  font-family: 'Courier New', Consolas, monospace;
  font-size: 0.88rem;
  line-height: 1.65;
  overflow-x: auto;
  margin-bottom: 20px;
}

pre code { background: none; border: none; color: inherit; padding: 0; font-size: inherit; }

/* ── Blockquote ── */
blockquote {
  border-left: 4px solid var(--crimson);
  padding: 14px 20px;
  background: #fff5f5;
  color: var(--text);
  font-style: italic;
  margin: 20px 0;
  border-radius: 0 6px 6px 0;
}

blockquote cite { display: block; margin-top: 8px; font-style: normal; font-size: 0.85rem; color: var(--muted); }

/* ── Badges / Pills ── */
.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  font-family: 'Segoe UI', system-ui, sans-serif;
  letter-spacing: 0.03em;
  background: var(--navy);
  color: #fff;
  margin-right: 4px;
  margin-top: 10px;
}
.badge-crimson { background: var(--crimson); color: #fff; }
.badge-navy    { background: var(--navy);    color: #fff; }
.badge-gold    { background: var(--gold);    color: #000; }
.badge-green   { background: #1f7a3c;        color: #fff; }
.badge-outline { border: 1px solid var(--border); color: var(--muted); }

/* ── Week Header ── */
.week-header {
  background: linear-gradient(135deg, var(--navy) 0%, #005599 100%);
  color: #fff;
  padding: 18px 24px;
  border-radius: 6px;
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.week-header .week-num {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--gold);
  line-height: 1;
  font-family: 'Segoe UI', system-ui, sans-serif;
}

.week-header .week-info h2 {
  border: none;
  padding: 0;
  margin: 0;
  color: #fff;
  font-size: 1.3rem;
}

.week-header .week-info p {
  color: rgba(255,255,255,0.65);
  font-size: 0.88rem;
  margin: 4px 0 0;
  font-family: 'Segoe UI', system-ui, sans-serif;
}

/* ── Day block ── */
.day-block {
  border: 1px solid var(--border);
  border-radius: 6px;
  margin-bottom: 20px;
  overflow: hidden;
}

.day-block .day-title {
  background: var(--light-bg);
  border-bottom: 1px solid var(--border);
  padding: 10px 18px;
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--navy);
  font-family: 'Segoe UI', system-ui, sans-serif;
  display: flex;
  align-items: center;
  gap: 10px;
}

.day-block .day-body { padding: 16px 18px; }

/* ── Schedule table ── */
.sched-row {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 0;
  border-bottom: 1px solid var(--border);
  font-family: 'Segoe UI', system-ui, sans-serif;
}
.sched-row:last-child { border-bottom: none; }
.sched-time {
  padding: 10px 14px;
  background: var(--light-bg);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--navy);
  border-right: 1px solid var(--border);
}
.sched-activity { padding: 10px 16px; font-size: 0.88rem; }

/* ── Section anchor ── */
.section-anchor { scroll-margin-top: 24px; }

/* ── Project card ── */
.project-card {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 20px;
  margin-bottom: 16px;
}
.project-card .proj-title { font-size: 1.05rem; font-weight: 700; color: var(--navy); margin-bottom: 6px; }
.project-card .proj-meta { font-size: 0.8rem; color: var(--muted); font-family: 'Segoe UI', system-ui, sans-serif; margin-bottom: 10px; display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.project-card p { font-size: 0.92rem; }

/* ── Reading item ── */
.reading-item { padding: 14px 0; border-bottom: 1px solid var(--border); }
.reading-item:last-child { border-bottom: none; }
.reading-item .r-title { font-weight: 700; color: var(--text); }
.reading-item .r-author { color: var(--muted); font-size: 0.88rem; font-style: italic; }
.reading-item .r-note { font-size: 0.85rem; color: var(--muted); margin-top: 3px; font-family: 'Segoe UI', system-ui, sans-serif; }
/* semantic aliases used in readings.html */
.reading-item .reading-meta { font-size: 0.75rem; font-weight: 700; font-family: 'Segoe UI', system-ui, sans-serif; color: #fff; background: var(--navy); display: inline-block; padding: 2px 8px; border-radius: 3px; margin-bottom: 5px; }
.reading-item .reading-title { font-weight: 700; font-size: 0.97rem; color: var(--text); margin-bottom: 2px; }
.reading-item .reading-desc  { font-size: 0.87rem; color: var(--muted); font-family: 'Segoe UI', system-ui, sans-serif; margin-top: 3px; }

/* ── Footer ── */
footer {
  margin-top: 60px;
  padding: 24px 0;
  border-top: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--muted);
  font-family: 'Segoe UI', system-ui, sans-serif;
  text-align: center;
}

/* ── Responsive ── */
@media (max-width: 900px) {
  #sidebar { display: none; }
  #main { margin-left: 0; }
  .content { padding: 24px; }
  .page-header { padding: 24px; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}