/* ============================================================
   NOOR — Islamic Knowledge App  |  style.css
   ============================================================ */

/* ── Fonts & Base ──────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Amiri:ital,wght@0,400;0,700;1,400&family=Scheherazade+New:wght@400;500;600;700&family=Inter:wght@300;400;500;600&display=swap');

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

:root {
  /* Palette — deep midnight + gold */
  --bg-base:        #0a0d14;
  --bg-surface:     #0f1420;
  --bg-card:        #111827;
  --bg-card-hover:  #151e30;
  --gold-bright:    #e8c56d;
  --gold-mid:       #c9a84c;
  --gold-dim:       #8a6d2f;
  --gold-glow:      rgba(232, 197, 109, 0.18);
  --teal:           #2dd4bf;
  --teal-dim:       rgba(45, 212, 191, 0.12);
  --text-primary:   #f0ead6;
  --text-secondary: #a09070;
  --text-muted:     #5a5040;
  --border:         rgba(232, 197, 109, 0.15);
  --border-strong:  rgba(232, 197, 109, 0.35);
  --shadow-card:    0 8px 40px rgba(0,0,0,0.55);
  --radius-card:    20px;
  --radius-sm:      10px;

  /* Typography */
  --font-arabic:    'Scheherazade New', 'Amiri', serif;
  --font-ui:        'Inter', sans-serif;

  /* Transitions */
  --ease:           cubic-bezier(.4,0,.2,1);
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-ui);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* ── Scrollbar ─────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: var(--gold-dim); border-radius: 3px; }

/* ── Background Pattern ────────────────────────────────────── */
.bg-pattern {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.geo-layer {
  position: absolute;
  border-radius: 50%;
  opacity: 0.04;
}
.geo-layer-1 {
  width: 900px; height: 900px;
  background: radial-gradient(circle, var(--gold-bright), transparent 70%);
  top: -200px; left: -200px;
  animation: float1 18s ease-in-out infinite alternate;
}
.geo-layer-2 {
  width: 700px; height: 700px;
  background: radial-gradient(circle, var(--teal), transparent 70%);
  bottom: -150px; right: -150px;
  animation: float2 22s ease-in-out infinite alternate;
  opacity: 0.05;
}
.geo-layer-3 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, var(--gold-mid), transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  animation: float3 15s ease-in-out infinite alternate;
}

@keyframes float1 { from{transform:translate(0,0)} to{transform:translate(60px,40px)} }
@keyframes float2 { from{transform:translate(0,0)} to{transform:translate(-50px,-30px)} }
@keyframes float3 { from{transform:translate(-50%,-50%) scale(1)} to{transform:translate(-50%,-50%) scale(1.2)} }

/* Stars */
.stars { position: absolute; inset: 0; }
.star {
  position: absolute;
  background: var(--gold-bright);
  border-radius: 50%;
  animation: twinkle var(--dur, 3s) ease-in-out infinite alternate;
}
@keyframes twinkle {
  from { opacity: 0.1; transform: scale(1); }
  to   { opacity: 0.7; transform: scale(1.4); }
}

/* ── Modal ─────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5, 7, 12, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  transition: opacity 0.4s var(--ease);
}
.modal-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.modal-card {
  background: linear-gradient(145deg, #131b2a, #0e1520);
  border: 1px solid var(--border-strong);
  border-radius: 24px;
  padding: 48px 40px;
  max-width: 460px;
  width: 100%;
  text-align: center;
  box-shadow: 0 24px 80px rgba(0,0,0,0.8), inset 0 1px 0 rgba(232,197,109,0.1);
  animation: modalIn 0.5s var(--ease) both;
}
@keyframes modalIn {
  from { opacity:0; transform: translateY(30px) scale(0.96); }
  to   { opacity:1; transform: translateY(0) scale(1); }
}

.modal-bismillah {
  font-family: var(--font-arabic);
  font-size: 1.5rem;
  color: var(--gold-bright);
  margin-bottom: 20px;
  text-shadow: 0 0 20px var(--gold-glow);
}
.modal-title {
  font-family: var(--font-arabic);
  font-size: 2rem;
  color: var(--text-primary);
  margin-bottom: 12px;
  font-weight: 700;
}
.modal-desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 28px;
}
.modal-subdesc { display: block; margin-top: 6px; font-size: 0.82rem; }
.modal-desc a { color: var(--gold-mid); text-decoration: none; }
.modal-desc a:hover { color: var(--gold-bright); text-decoration: underline; }

.input-group {
  display: flex;
  gap: 10px;
  margin-bottom: 14px;
}
.api-input {
  flex: 1;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--text-primary);
  font-family: monospace;
  font-size: 0.85rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.api-input:focus {
  border-color: var(--gold-mid);
  box-shadow: 0 0 0 3px var(--gold-glow);
}
.api-input::placeholder { color: var(--text-muted); }

.btn-enter {
  background: linear-gradient(135deg, var(--gold-mid), var(--gold-bright));
  color: #1a1200;
  border: none;
  border-radius: var(--radius-sm);
  padding: 12px 22px;
  font-family: var(--font-arabic);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, filter 0.2s;
  white-space: nowrap;
}
.btn-enter:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(232,197,109,0.4);
  filter: brightness(1.1);
}
.btn-enter:active { transform: translateY(0); }

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

/* ── Header ────────────────────────────────────────────────── */
.site-header {
  position: relative;
  z-index: 10;
  text-align: center;
  padding: 56px 20px 30px;
}
.header-inner { position: relative; display: inline-block; width: 100%; }

.header-bismillah {
  font-family: var(--font-arabic);
  font-size: 1.3rem;
  color: var(--gold-mid);
  margin-bottom: 10px;
  letter-spacing: 0.05em;
  text-shadow: 0 0 30px var(--gold-glow);
  animation: fadeDown 0.8s var(--ease) both;
}

.site-title {
  font-family: var(--font-arabic);
  font-size: clamp(3.5rem, 8vw, 6rem);
  font-weight: 700;
  background: linear-gradient(135deg, var(--gold-bright) 0%, #fff8e1 50%, var(--gold-mid) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: none;
  line-height: 1;
  margin-bottom: 8px;
  animation: fadeDown 0.9s var(--ease) 0.1s both;
}

.site-subtitle {
  font-family: var(--font-arabic);
  font-size: 1.05rem;
  color: var(--text-secondary);
  letter-spacing: 0.08em;
  animation: fadeDown 1s var(--ease) 0.2s both;
}

.btn-change-key {
  position: absolute;
  top: 0;
  right: 20px;
  background: rgba(232,197,109,0.08);
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 38px;
  height: 38px;
  color: var(--text-secondary);
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.btn-change-key:hover {
  background: var(--gold-glow);
  color: var(--gold-bright);
  border-color: var(--border-strong);
  transform: rotate(30deg);
}

.header-divider {
  margin-top: 28px;
  display: flex;
  align-items: center;
  gap: 16px;
  justify-content: center;
}
.header-divider::before,
.header-divider::after {
  content: '';
  flex: 1;
  max-width: 200px;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--border-strong));
}
.header-divider::after {
  background: linear-gradient(to left, transparent, var(--border-strong));
}
.divider-ornament {
  color: var(--gold-mid);
  font-size: 0.85rem;
}

@keyframes fadeDown {
  from { opacity:0; transform: translateY(-16px); }
  to   { opacity:1; transform: translateY(0); }
}

/* ── Main Content ──────────────────────────────────────────── */
.main-content {
  position: relative;
  z-index: 10;
  max-width: 820px;
  margin: 0 auto;
  padding: 20px 20px 60px;
  animation: fadeUp 1s var(--ease) 0.3s both;
}
@keyframes fadeUp {
  from { opacity:0; transform: translateY(24px); }
  to   { opacity:1; transform: translateY(0); }
}

/* ── Section Labels ────────────────────────────────────────── */
.content-section { margin-bottom: 20px; }

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(232,197,109,0.08);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 6px 18px;
  font-family: var(--font-arabic);
  font-size: 1rem;
  color: var(--gold-bright);
  margin-bottom: 16px;
  letter-spacing: 0.04em;
}
.label-icon { font-size: 0.9rem; }

.tafseer-label {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-arabic);
  font-size: 0.95rem;
  color: var(--teal);
  margin: 16px 0 10px;
  padding-right: 4px;
}
.tafseer-label-icon { font-size: 0.85rem; }

/* ── Cards ─────────────────────────────────────────────────── */
.card {
  background: linear-gradient(145deg, var(--bg-card), #0d1525);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 36px 40px;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.card:hover {
  border-color: var(--border-strong);
  box-shadow: 0 12px 50px rgba(0,0,0,0.65), 0 0 0 1px rgba(232,197,109,0.08);
}

/* Top gold line */
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 20%; right: 20%;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--gold-mid), transparent);
  opacity: 0.6;
}

.card-ayah::after {
  content: '﴿﴾';
  position: absolute;
  bottom: 14px;
  left: 20px;
  font-family: var(--font-arabic);
  font-size: 1.5rem;
  color: var(--gold-dim);
  opacity: 0.3;
  pointer-events: none;
  user-select: none;
}

.card-tafseer {
  border-color: rgba(45,212,191,0.12);
  background: linear-gradient(145deg, #0d1a1f, #0a1118);
}
.card-tafseer::before {
  background: linear-gradient(to right, transparent, var(--teal), transparent);
  opacity: 0.3;
}
.card-hadith-note {
  border-color: rgba(45,212,191,0.12);
}

/* ── Loaders ───────────────────────────────────────────────── */
.card-loader {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 20px 0;
}

.loader-ring {
  width: 44px;
  height: 44px;
  border: 3px solid var(--border);
  border-top-color: var(--gold-bright);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.loader-text {
  font-family: var(--font-arabic);
  font-size: 0.95rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

/* ── Ayah Card Content ─────────────────────────────────────── */
.ayah-reference {
  font-family: var(--font-arabic);
  font-size: 0.9rem;
  color: var(--gold-mid);
  margin-bottom: 18px;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 10px;
}
.ayah-reference::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, var(--border), transparent);
}

.ayah-arabic {
  font-family: var(--font-arabic);
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  line-height: 1.9;
  color: var(--text-primary);
  text-align: right;
  margin-bottom: 24px;
  text-shadow: 0 2px 12px rgba(240,234,214,0.1);
  animation: fadeIn 0.6s var(--ease) both;
}

.ayah-translation {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--text-secondary);
  font-style: italic;
  border-top: 1px solid var(--border);
  padding-top: 16px;
  animation: fadeIn 0.6s var(--ease) 0.1s both;
}

/* ── Tafseer Content ───────────────────────────────────────── */
.tafseer-text {
  font-family: var(--font-arabic);
  font-size: 1.05rem;
  line-height: 2.1;
  color: var(--text-secondary);
  text-align: right;
  white-space: pre-line;
}

/* ── Hadith Card Content ───────────────────────────────────── */
.hadith-meta {
  font-size: 0.82rem;
  color: var(--gold-mid);
  font-family: var(--font-arabic);
  margin-bottom: 16px;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.hadith-meta-tag {
  background: rgba(232,197,109,0.08);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 3px 12px;
  font-size: 0.78rem;
}

.hadith-arabic {
  font-family: var(--font-arabic);
  font-size: clamp(1.4rem, 3.5vw, 2rem);
  line-height: 2;
  color: var(--text-primary);
  text-align: right;
  margin-bottom: 20px;
  animation: fadeIn 0.6s var(--ease) both;
}

.hadith-translation {
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--text-secondary);
  font-style: italic;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
  margin-bottom: 14px;
}

.hadith-grade {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.grade-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  border-radius: 20px;
  padding: 4px 14px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}
.grade-sahih  { background: rgba(34,197,94,0.12);  border: 1px solid rgba(34,197,94,0.3);  color: #86efac; }
.grade-hasan  { background: rgba(234,179,8,0.12);  border: 1px solid rgba(234,179,8,0.3);  color: #fde047; }
.grade-dhaif  { background: rgba(239,68,68,0.12);  border: 1px solid rgba(239,68,68,0.3);  color: #fca5a5; }
.grade-other  { background: rgba(148,163,184,0.08); border: 1px solid rgba(148,163,184,0.2); color: #94a3b8; }

.hadith-section-info {
  font-family: var(--font-arabic);
  font-size: 0.88rem;
  color: var(--teal);
  margin-bottom: 12px;
  opacity: 0.8;
}

/* ── Error State ───────────────────────────────────────────── */
.card-error {
  text-align: center;
  padding: 20px 0;
}
.error-icon { font-size: 2rem; display: block; margin-bottom: 10px; opacity: 0.5; }
.card-error p { color: var(--text-secondary); font-size: 0.88rem; margin-bottom: 16px; line-height: 1.6; }
.btn-retry {
  background: rgba(232,197,109,0.08);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 8px 20px;
  color: var(--gold-mid);
  font-family: var(--font-arabic);
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-retry:hover { background: var(--gold-glow); color: var(--gold-bright); }

/* ── Action Buttons ────────────────────────────────────────── */
.section-action { display: flex; justify-content: center; margin-top: 20px; }

.btn-next {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, rgba(232,197,109,0.1), rgba(232,197,109,0.05));
  border: 1px solid var(--border-strong);
  border-radius: 50px;
  padding: 10px 28px;
  color: var(--gold-bright);
  font-family: var(--font-arabic);
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.25s var(--ease);
  letter-spacing: 0.04em;
}
.btn-next:hover {
  background: var(--gold-glow);
  border-color: var(--gold-mid);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(232,197,109,0.15);
}
.btn-next:active { transform: translateY(0); }
.btn-next:disabled { opacity: 0.5; pointer-events: none; }

.btn-next-hadith {
  background: linear-gradient(135deg, rgba(45,212,191,0.08), rgba(45,212,191,0.03));
  border-color: rgba(45,212,191,0.3);
  color: var(--teal);
}
.btn-next-hadith:hover {
  background: var(--teal-dim);
  border-color: var(--teal);
  box-shadow: 0 6px 24px rgba(45,212,191,0.12);
}

.btn-icon {
  font-size: 1.1rem;
  display: inline-block;
  transition: transform 0.4s;
}
.btn-next:hover .btn-icon { transform: rotate(180deg); }

/* ── Section Separator ─────────────────────────────────────── */
.section-separator {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 30px 0;
}
.separator-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--border));
}
.separator-line:last-child {
  background: linear-gradient(to left, transparent, var(--border));
}
.separator-ornament {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8rem;
  color: var(--gold-dim);
}
.separator-ornament span:nth-child(2) {
  font-family: var(--font-arabic);
  font-size: 1.4rem;
  color: var(--gold-mid);
  opacity: 0.5;
}

/* ── Footer ────────────────────────────────────────────────── */
.site-footer {
  position: relative;
  z-index: 10;
  text-align: center;
  padding: 30px 20px 40px;
  border-top: 1px solid var(--border);
}
.footer-ornament { color: var(--gold-dim); font-size: 0.7rem; letter-spacing: 8px; margin-bottom: 14px; }
.footer-text { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 10px; }
.footer-text a { color: var(--gold-dim); text-decoration: none; }
.footer-text a:hover { color: var(--gold-mid); }
.footer-hadith {
  font-family: var(--font-arabic);
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ── Utility ───────────────────────────────────────────────── */
[hidden] { display: none !important; }

@keyframes fadeIn {
  from { opacity:0; transform: translateY(8px); }
  to   { opacity:1; transform: translateY(0); }
}

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 600px) {
  .card { padding: 24px 20px; }
  .modal-card { padding: 36px 24px; }
  .input-group { flex-direction: column; }
  .btn-enter { width: 100%; }
  .site-title { font-size: 3.5rem; }
  .ayah-arabic { font-size: 1.5rem; }
  .hadith-arabic { font-size: 1.3rem; }
}