/**
 * Materi & Pembelajaran (Daftar Bab) Styles - Sesuai Sketsa Wireframe Layar 3
 * Miftah Kaidah Shorof - Interactive Digital Book
 */

:root {
  --color-page-bg: #f9f7f2;
  --color-desktop-bg: #ebe7de;
  --color-primary-green: #144233;
  --color-primary-dark: #0d2f24;
  --color-green-surface: #edf5f0;
  
  --color-gold: #c88a22;
  --color-gold-light: #fede94;
  --color-gold-hover: #e09f2c;
  
  --color-text-title: #103326;
  --color-text-body: #2c4237;
  --color-text-muted: #6b8276;
  
  --color-card-bg: #ffffff;
  --color-card-border: #e6dfd1;
  --color-synopsis-bg: #f4eee3;
  --color-synopsis-border: #e5dac6;
  
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-arabic: 'Amiri', 'Traditional Arabic', serif;
  
  --shadow-card: 0 4px 14px rgba(16, 51, 38, 0.06);
  --shadow-hover: 0 8px 24px rgba(16, 51, 38, 0.14);
  --radius-card: 18px;
  
  --transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html, body {
  width: 100%;
  min-height: 100%;
  background-color: var(--color-desktop-bg);
  font-family: var(--font-sans);
  color: var(--color-text-body);
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
}

:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
  border-radius: 8px;
}

/* Page Container: Native Mobile Layout on Phones, Centered Frame on Desktop */
.materi-body {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  min-height: 100vh;
  padding: 0;
}

@media (min-width: 540px) {
  .materi-body {
    padding: 1.5rem 1rem 3rem;
  }
}

.materi-container {
  width: 100%;
  max-width: 480px;
  min-height: 100vh;
  background-color: var(--color-page-bg);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding: 1.25rem 1.4rem 2.5rem;
}

@media (min-width: 540px) {
  .materi-container {
    min-height: auto;
    border-radius: 28px;
    border: 1px solid var(--color-card-border);
    box-shadow: 0 16px 45px rgba(0, 0, 0, 0.1);
    padding: 1.75rem 1.75rem 3rem;
  }
}

/* Top Navigation Bar */
.top-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--color-card-border);
}

.nav-back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-primary-green);
  text-decoration: none;
  transition: var(--transition);
}

.nav-back-link:hover {
  color: var(--color-gold);
  transform: translateX(-2px);
}

.nav-tag {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Header Section */
.materi-header {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding-top: 0.25rem;
}

.header-eyebrow {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #9c6c1f;
}

.materi-title {
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--color-primary-green);
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.materi-subtitle {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.45;
}

/* Chapter Menu List (Sesuai Sketsa 6 Bab) */
.chapter-list {
  display: flex;
  flex-direction: column;
  gap: 0.95rem;
}

.chapter-card,
.action-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.2rem;
  background: linear-gradient(135deg, #174a38 0%, #0e3226 100%);
  border: 1.5px solid #23654d;
  border-radius: var(--radius-card);
  text-decoration: none;
  color: #ffffff;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  min-height: 70px;
}

.chapter-card:hover,
.action-card:hover {
  transform: translateY(-2px);
  background: linear-gradient(135deg, #1b533f 0%, #113c2d 100%);
  border-color: var(--color-gold);
  box-shadow: var(--shadow-hover);
}

.chapter-card:active,
.action-card:active {
  transform: translateY(1px);
}

/* Card Inner Content */
.chapter-left {
  display: flex;
  align-items: center;
  gap: 0.95rem;
  flex: 1;
  min-width: 0;
}

.chapter-index,
.action-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
  font-weight: 800;
  font-family: var(--font-sans);
  color: var(--color-gold-light);
  flex-shrink: 0;
  transition: var(--transition);
}

.chapter-card:hover .chapter-index,
.action-card:hover .action-icon {
  background: rgba(254, 222, 148, 0.22);
  color: #ffffff;
  border-color: rgba(254, 222, 148, 0.4);
}

.chapter-info,
.action-content {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  flex: 1;
  min-width: 0;
  padding: 0 0.85rem;
}

.chapter-header-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.chapter-title,
.action-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.25;
}

.chapter-tag {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 0.15rem 0.5rem;
  border-radius: 6px; /* Modern rectangle, strictly no pillbox */
  background: rgba(254, 222, 148, 0.2);
  color: var(--color-gold-light);
  border: 1px solid rgba(254, 222, 148, 0.35);
  line-height: 1.2;
}

.chapter-desc,
.action-desc {
  font-size: 0.78rem;
  color: #b3c9bf;
  line-height: 1.35;
}

.chapter-arrow,
.action-arrow {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-gold-light);
  transition: var(--transition);
  margin-left: 0.6rem;
}

.chapter-card:hover .chapter-arrow,
.action-card:hover .action-arrow {
  transform: translateX(3px);
  background: var(--color-gold);
  color: var(--color-primary-green);
}

/* Footer Quote */
.materi-footer {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-card-border);
}

.footer-quote {
  font-style: italic;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary-green);
  line-height: 1.4;
}

.footer-sub {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}