/* NurDua: Design System
   Dunkelgrün + Gold, inspiriert vom Logo (betende Hände über dem Koran,
   Licht-Strahlenkranz) und dem Thema "Nur" (Licht). */

:root {
  --color-primary: #b0913f;
  --color-primary-light: #d8c084;
  --color-primary-dark: #8a7130;
  --color-secondary: #204838;
  --color-secondary-light: #336b54;
  --color-bg: #fdfbf5;
  --color-surface: #ffffff;
  --color-text: #1c2620;
  --color-text-muted: #5c6b61;
  --color-border: #dde3da;
  --color-success: #3f7d4f;

  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-heading: "Playfair Display", Georgia, serif;
  --font-arabic: "Amiri", "Scheherazade New", serif;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;

  --shadow-sm: 0 1px 3px rgba(36, 28, 21, 0.06);
  --shadow-md: 0 6px 20px rgba(36, 28, 21, 0.08);

  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 40px;
  --space-5: 64px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

.container {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 var(--space-3);
}

/* ---------- Header ---------- */

.site-header {
  padding: var(--space-4) 0 var(--space-3);
  text-align: center;
  background: radial-gradient(ellipse at top, #f4ecd2 0%, var(--color-bg) 65%);
  position: relative;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.theme-toggle {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
  transition: background 0.2s ease;
}

.theme-toggle:hover {
  background: rgba(176, 145, 63, 0.1);
}

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.brand-logo {
  width: 100%;
  max-width: 300px;
  height: auto;
}

@media (max-width: 640px) {
  .brand-logo {
    max-width: 200px;
  }
}

.site-tagline {
  margin-top: var(--space-1);
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  text-decoration: none;
  margin-bottom: var(--space-2);
}

.back-link:hover {
  color: var(--color-primary-dark);
}

/* ---------- Hero Section ---------- */

.hero {
  background: linear-gradient(135deg, rgba(32, 72, 56, 0.05) 0%, rgba(176, 145, 63, 0.05) 100%);
  padding: var(--space-4) 0;
  animation: fadeIn 0.6s ease-out;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-secondary);
  text-align: center;
  margin: 0 0 var(--space-1);
  line-height: 1.3;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.hero-title small {
  font-size: 0.65em;
  font-weight: 400;
  color: var(--color-text-muted);
  margin-top: 4px;
  font-family: var(--font-body);
}

.hero-subtitle {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 1.05rem;
  margin: 0 0 var(--space-3);
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.stat {
  text-align: center;
  padding: var(--space-2);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  min-width: 100px;
  animation: fadeInUp 0.6s ease-out;
  animation-fill-mode: both;
}

.stat:nth-child(1) { animation-delay: 0.1s; }
.stat:nth-child(2) { animation-delay: 0.2s; }
.stat:nth-child(3) { animation-delay: 0.3s; }

.stat-number {
  display: block;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.stat-label {
  display: block;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ---------- Filter Bar ---------- */

.filter-bar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-2) 0;
}

.filter-bar-container {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 var(--space-3);
}

.filter-bar-inner {
  display: flex;
  flex-wrap: nowrap;
  gap: 6px;
  overflow-x: auto;
  scroll-behavior: smooth;
  padding-bottom: 4px;
}

.filter-bar-inner::-webkit-scrollbar {
  height: 4px;
}

.filter-bar-inner::-webkit-scrollbar-track {
  background: transparent;
}

.filter-bar-inner::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 2px;
}

.filter-pill {
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  white-space: nowrap;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
  flex-shrink: 0;
}

.filter-pill:hover {
  border-color: var(--color-primary-light);
  color: var(--color-text);
}

.filter-pill.is-active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.dua-count-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin: var(--space-3) 0;
}

.action-buttons {
  display: flex;
  gap: var(--space-1);
  flex-wrap: wrap;
}

.action-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--color-primary);
  background: var(--color-surface);
  color: var(--color-primary-dark);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 500;
  font-family: var(--font-body);
  cursor: pointer;
  transition: all 0.15s ease;
}

.action-btn svg {
  width: 16px;
  height: 16px;
}

.action-btn:hover {
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.dua-count {
  color: var(--color-text-muted);
  font-size: 0.85rem;
  margin: 0;
}

.learned-progress {
  color: var(--color-success);
  font-size: 0.8rem;
  margin: 2px 0 0;
}

.play-all-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--color-primary);
  background: var(--color-surface);
  color: var(--color-primary-dark);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 500;
  font-family: var(--font-body);
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.play-all-btn svg {
  width: 16px;
  height: 16px;
}

.play-all-btn:hover {
  background: var(--color-primary);
  color: #fff;
}

.play-all-btn.is-playing {
  background: var(--color-secondary);
  border-color: var(--color-secondary);
  color: #fff;
}

.empty-state {
  text-align: center;
  color: var(--color-text-muted);
  padding: var(--space-5) var(--space-2);
}

/* ---------- Dua Cards (Kategorie-Seiten) ---------- */

.page-title {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-secondary);
  margin: var(--space-1) 0 var(--space-3);
}

.dua-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding-bottom: var(--space-5);
}

.dua-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  animation: slideInUp 0.4s ease-out;
}

.dua-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-light);
  transform: translateY(-2px);
}

.dua-arabic {
  direction: rtl;
  font-family: var(--font-arabic);
  font-size: 1.85rem;
  line-height: 2.4;
  text-align: right;
  color: var(--color-text);
  margin: 0 0 var(--space-2);
  letter-spacing: 0.5px;
}

.dua-translit {
  font-style: italic;
  color: var(--color-primary-dark);
  font-size: 0.92rem;
  margin: 0 0 var(--space-1);
}

.dua-translation {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin: 0 0 var(--space-2);
}

.dua-source {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  opacity: 0.75;
  margin: 0 0 var(--space-2);
}

/* ---------- Dua Actions (Play & Favorit) ---------- */

.dua-actions {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-2);
  justify-content: flex-start;
}

.icon-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  border: none;
  background: none;
  cursor: pointer;
  padding: 6px 10px;
  border-radius: 999px;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  font-family: var(--font-body);
  transition: background 0.15s ease, color 0.15s ease;
  white-space: nowrap;
  flex-shrink: 0;
}

.icon-btn svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.play-btn {
  background: #f6ead0;
  color: var(--color-primary-dark);
}

.play-btn:hover {
  background: var(--color-primary-light);
  color: #fff;
}

.play-btn.is-playing {
  background: var(--color-primary);
  color: #fff;
  animation: pulse 1.5s ease-in-out infinite;
}

.loop-btn {
  background: #eef0ea;
  color: var(--color-secondary);
}

.loop-btn:hover {
  background: var(--color-secondary-light);
  color: #fff;
}

.loop-btn.is-playing {
  background: var(--color-secondary);
  color: #fff;
  animation: pulse 1.5s ease-in-out infinite;
}

.copy-btn {
  background: #e8f0e3;
  color: var(--color-secondary);
}

.copy-btn:hover {
  background: var(--color-secondary-light);
  color: #fff;
}

.share-btn {
  background: #fef3e8;
  color: var(--color-primary-dark);
}

.share-btn:hover {
  background: var(--color-primary-light);
  color: #fff;
}

.dua-actions-right {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: auto;
  flex-shrink: 0;
}

.learned-btn:hover {
  color: var(--color-success);
}

.learned-btn.is-active {
  color: var(--color-success);
  background: #e7f2ea;
}

.heart-btn:hover {
  color: var(--color-secondary);
}

.heart-btn.is-active {
  color: var(--color-secondary);
}

/* ---------- Footer ---------- */

.site-footer {
  text-align: center;
  padding: var(--space-3) 0 var(--space-4);
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

.site-footer a {
  text-decoration: none;
  color: var(--color-text-muted);
}

.site-footer a:hover {
  color: var(--color-primary-dark);
}

.footer-sep {
  margin: 0 8px;
  opacity: 0.5;
}

/* ---------- Legal pages ---------- */

.legal-content h1 {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  color: var(--color-secondary);
}

.legal-content h2 {
  font-size: 1.05rem;
  margin-top: var(--space-3);
}

.legal-content p {
  color: var(--color-text-muted);
}

/* ---------- Animations ---------- */

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

@keyframes slideUpToast {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

@keyframes slideDownToast {
  from {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
  to {
    opacity: 0;
    transform: translateX(-50%) translateY(20px);
  }
}

/* ---------- Dark Mode ---------- */

body.dark-mode {
  --color-bg: #0f1419;
  --color-surface: #1a1f25;
  --color-text: #e8e8e8;
  --color-text-muted: #9ca3af;
  --color-border: #2d3139;
}

body.dark-mode .site-header {
  background: linear-gradient(135deg, rgba(32, 72, 56, 0.2) 0%, rgba(176, 145, 63, 0.1) 100%);
}

body.dark-mode .hero {
  background: linear-gradient(135deg, rgba(32, 72, 56, 0.15) 0%, rgba(176, 145, 63, 0.08) 100%);
}

/* ---------- Responsive ---------- */

@media (max-width: 640px) {
  .brand-logo {
    max-width: 200px;
  }

  .hero-title {
    font-size: 1.5rem;
  }

  .stat {
    min-width: 70px;
    padding: var(--space-1) var(--space-1);
    gap: 2px;
  }

  .stat-number {
    font-size: 1.2rem;
    line-height: 1.2;
  }

  .stat-label {
    font-size: 0.65rem;
    line-height: 1;
  }

  .dua-arabic {
    font-size: 1.6rem;
    line-height: 2.2;
  }

  .dua-actions {
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-1);
  }

  .dua-actions > .icon-btn {
    flex-basis: calc(50% - var(--space-1) / 2);
  }

  .dua-actions-right {
    width: 100%;
    margin-left: 0;
    justify-content: flex-end;
    gap: var(--space-1);
  }

  .action-buttons {
    width: 100%;
    flex-direction: column;
  }

  .action-btn,
  .play-all-btn {
    width: 100%;
    justify-content: center;
  }

  .filter-bar-inner {
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    overflow-x: visible;
    padding-bottom: 0;
  }

  .filter-pill {
    flex-basis: calc(50% - 4px);
    text-align: center;
    padding: var(--space-1) 6px;
    font-size: 0.8rem;
    line-height: 1.2;
  }

  /* Dua Cards - Touch-friendly on Mobile */
  .dua-card {
    padding: var(--space-3);
  }

  .dua-translation {
    font-size: 1rem;
    line-height: 1.8;
  }

  .dua-translit {
    font-size: 0.95rem;
  }

  /* Icon Buttons - Larger touch targets */
  .icon-btn {
    min-height: 44px;
    min-width: 44px;
    padding: var(--space-2);
    font-size: 0.9rem;
  }

  .icon-btn svg {
    width: 24px;
    height: 24px;
  }

  /* Play All Button */
  .play-all-btn {
    padding: var(--space-2) var(--space-3);
    font-size: 1rem;
    height: 48px;
  }

  .play-all-btn svg {
    width: 20px;
    height: 20px;
  }

  /* Export Button */
  .export-btn {
    padding: var(--space-2) var(--space-3);
    font-size: 1rem;
    height: 48px;
  }

  .export-btn svg {
    width: 20px;
    height: 20px;
  }

  /* Action Row Spacing */
  .dua-count-row {
    flex-direction: column;
    gap: var(--space-2);
  }

  /* Hero Stats */
  .hero-stats {
    gap: var(--space-2);
  }

  /* Footer */
  .site-footer {
    padding: var(--space-4) 0;
    font-size: 0.9rem;
  }

  .footer-sep {
    margin: 0 var(--space-1);
  }
}