/* =========================
   DATENSTRUKTUREN – PAGE CSS
   Benötigt: global.css (vorher laden)
   ========================= */

/* Seiten-Akzent (global nutzt var(--accent, var(--yellow)) z.B. für Link-Hover) */
:root {
  --accent: var(--orange);
}

/* ===== LAYOUT (Sidebar-Offset: nicht in global.css) ===== */
.layout {
  display: flex;
  padding-top: 56px;
  min-height: 100vh;
}

.main {
  margin-left: var(--sidebar-w);
  flex: 1;
  min-width: 0;
  position: relative;
  z-index: 1;
}

@media (max-width: 900px) {
  .main { margin-left: 0; }
}

/* ===== PROGRESS BAR (Seitenverlauf) ===== */
.progress-bar {
  background: linear-gradient(90deg, var(--green), var(--orange), var(--pink));
}

/* ===== SECTION SPACING (abweichend zu global) ===== */
section {
  padding: 68px 48px;
  max-width: 820px;
}

#hero {
  padding: 76px 48px 60px;
  max-width: 100%;
  text-align: center;
}

#cta {
  padding: 60px 48px 76px;
  max-width: 100%;
  text-align: center;
}

@media (max-width: 600px) {
  section { padding: 50px 20px; }
  #hero { padding: 56px 20px 44px; }
  #cta  { padding: 44px 20px 60px; }
}

/* Divider: Datenstrukturen nutzt 48px statt global 40px */
.divider { margin: 0 48px; }
@media (max-width: 600px) { .divider { margin: 0 20px; } }

/* ===== HERO (Badge-Farbe + Title: nicht in global.css) ===== */
.hero-badge {
  background: rgba(255,159,74,0.1);
  border: 1px solid rgba(255,159,74,0.25);
  color: var(--orange);
}

.hero-title {
  font-size: clamp(2.2rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(135deg, #4dffb0 0%, #ff9f4a 50%, #b87aff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: fadeDown 0.6s ease 0.1s both;
}

/* ===== BUTTONS (global hat .btn und .btn-outline, aber NICHT btn-primary + hover) ===== */
.btn-primary {
  background: var(--orange);
  color: #0d0d14;
  box-shadow: 0 4px 20px rgba(255,159,74,0.25);
}

.btn-outline:hover {
  border-color: var(--orange);
  color: var(--orange);
}

/* ===== TYPO/SECTION OVERRIDES (für Type-Badges + Abstände) ===== */
.section-title-sm {
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--muted);
  font-family: 'JetBrains Mono', monospace;
  margin-bottom: 16px;
}

.section-heading {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.section-desc {
  max-width: 600px;
  margin-bottom: 24px;
}

/* Badge für Typ (list/tuple/dict/set) */
.type-badge {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 8px;
  border: 1px solid;
  vertical-align: middle;
}

/* ===== CODE: Zeilen müssen Whitespace behalten ===== */
.code-block .line {
  white-space: pre;
}

/* ===== METHODS GRID ===== */
.methods-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 20px;
}

@media (max-width: 700px) { .methods-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 440px) { .methods-grid { grid-template-columns: 1fr; } }

.method-card {
  background: var(--cb, rgba(255,255,255,0.03));
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  transition: border-color 0.2s, transform 0.2s;
}

.method-card:hover {
  border-color: var(--c, var(--border));
  transform: translateY(-2px);
}

.method-name {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 700;
  color: var(--c, var(--text));
  margin-bottom: 5px;
}

.method-desc {
  font-size: 11px;
  color: var(--muted);
  line-height: 1.5;
}

/* ===== INDEX VISUAL ===== */
.index-visual {
  margin-top: 24px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px 24px;
}

.index-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}

.index-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.index-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 700;
}

.index-val {
  background: #080810;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 16px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: var(--text);
}

.index-neg {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--muted);
}

.index-arrow { color: var(--muted); font-size: 16px; margin-bottom: 4px; }

.index-hint {
  text-align: center;
  margin-top: 14px;
  font-size: 12px;
  color: var(--muted);
  font-family: 'JetBrains Mono', monospace;
}

/* ===== TUPEL: PRO/CON CARDS ===== */
.compare-half-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 20px;
}

@media (max-width: 600px) { .compare-half-grid { grid-template-columns: 1fr; } }

.prop-card {
  background: var(--card);
  border: 1px solid;
  border-radius: 14px;
  padding: 22px 24px;
}

.prop-icon { font-size: 22px; margin-bottom: 10px; }
.prop-title { font-weight: 800; font-size: 14px; margin-bottom: 14px; }

.prop-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.prop-list li {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
  padding-left: 16px;
  position: relative;
}

/* FIX: vorher 'ยท' (falsch) → jetzt sauberer Bullet */
.prop-list li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--border);
}

/* ===== DICT VISUAL ===== */
.dict-visual {
  margin-top: 24px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px 24px;
  margin-bottom: 20px;
}

.kv-list { display: flex; flex-direction: column; gap: 8px; }

.kv-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px 14px;
  background: #080810;
  border-radius: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
}

.kv-key { color: var(--blue); font-weight: 700; min-width: 80px; }
.kv-arrow { color: var(--muted); }
.kv-val { font-weight: 700; }

/* ===== SET OPS VISUAL ===== */
.set-ops-visual {
  margin-top: 24px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px 24px;
}

.set-ops-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

@media (max-width: 500px) { .set-ops-grid { grid-template-columns: 1fr; } }

.set-op {
  background: #080810;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  transition: border-color 0.2s;
}

.set-op:hover { border-color: rgba(184,122,255,0.3); }

.set-op-sym {
  font-family: 'JetBrains Mono', monospace;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 6px;
}

.set-op-name { font-weight: 700; font-size: 13px; margin-bottom: 4px; }
.set-op-desc { font-size: 12px; color: var(--muted); line-height: 1.5; }

/* ===== COMPARE TABLE ===== */
.compare-table-wrap {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  margin-top: 20px;
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
}

.compare-table th {
  padding: 12px 16px;
  text-align: left;
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
}

.compare-table td {
  padding: 13px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  vertical-align: middle;
}

.compare-table tr:last-child td { border-bottom: none; }
.compare-table tr:hover td { background: rgba(255,255,255,0.02); }

.ds-tag {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 700;
  border: 1px solid;
}

.sym-cell { color: var(--muted); font-weight: 700; font-size: 13px; }
.yes-cell { color: var(--green); }
.no-cell  { color: var(--pink); }
.desc-cell { color: var(--muted); font-size: 11px; }

/* ===== RULE CARD (Datenstrukturen-spezifisch) ===== */
.rule-card {
  background: linear-gradient(
    135deg,
    rgba(77,255,176,0.06),
    rgba(255,159,74,0.06),
    rgba(184,122,255,0.06)
  );
  border: 1px solid rgba(255,159,74,0.25);
  border-radius: 14px;
  padding: 24px 28px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-top: 20px;
}

.rule-icon { font-size: 28px; flex-shrink: 0; }
.rule-text { font-size: 15px; line-height: 1.7; }
.rule-text strong { color: var(--orange); }

/* ===== CTA BOX (Datenstrukturen-spezifisch) ===== */
.cta-box {
  background: linear-gradient(135deg, rgba(77,255,176,0.06), rgba(255,159,74,0.06));
  border: 1px solid rgba(255,159,74,0.2);
  border-radius: 20px;
  padding: 50px 36px;
  max-width: 560px;
  margin: 0 auto;
}

.cta-title {
  font-size: clamp(1.5rem, 4vw, 2.4rem);
  font-weight: 800;
  margin-bottom: 12px;
  background: linear-gradient(135deg, var(--green), var(--orange));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}