:root {
  --clr-bg: #f7f8fa;
  --clr-bg-alt: #eef0f4;
  --clr-surface: #ffffff;
  --clr-surface-hover: #f9fafb;
  --clr-text: #1a1d24;
  --clr-text-muted: #5a6170;
  --clr-text-faint: #8b919e;
  --clr-accent: #0d6b4f;
  --clr-accent-light: #e3f5ef;
  --clr-accent-dark: #094d38;
  --clr-border: #d4d8e0;
  --clr-border-strong: #b8bec9;
  --clr-sim: #1d5f8a;
  --clr-sim-bg: #e4eff7;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-arabic: "Amiri", "Noto Naskh Arabic", "Scheherazade New", "Traditional Arabic", Georgia, serif;
  --max-w: 960px;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 16px rgba(20, 24, 32, 0.08);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --clr-bg: #0f131a;
    --clr-bg-alt: #161d27;
    --clr-surface: #1a222d;
    --clr-surface-hover: #222c39;
    --clr-text: #e6edf7;
    --clr-text-muted: #a7b3c4;
    --clr-text-faint: #7f8ea3;
    --clr-accent: #5fc89a;
    --clr-accent-light: #1a3a27;
    --clr-accent-dark: #82e0b6;
    --clr-border: #2a3645;
    --clr-border-strong: #3c4c60;
    --clr-sim: #9bd2fa;
    --clr-sim-bg: #1c3a55;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.5);
  }
}

:root[data-theme="dark"] {
  --clr-bg: #0f131a;
  --clr-bg-alt: #161d27;
  --clr-surface: #1a222d;
  --clr-surface-hover: #222c39;
  --clr-text: #e6edf7;
  --clr-text-muted: #a7b3c4;
  --clr-text-faint: #7f8ea3;
  --clr-accent: #5fc89a;
  --clr-accent-light: #1a3a27;
  --clr-accent-dark: #82e0b6;
  --clr-border: #2a3645;
  --clr-border-strong: #3c4c60;
  --clr-sim: #9bd2fa;
  --clr-sim-bg: #1c3a55;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.5);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--clr-text);
  background: var(--clr-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ─── Nav ─────────────────────────────────────────────── */

.top-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--clr-bg) 94%, transparent);
  border-bottom: 1px solid var(--clr-border);
  backdrop-filter: blur(8px);
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.nav-brand {
  color: var(--clr-text);
  text-decoration: none;
  font-weight: 700;
}

.nav-link {
  color: var(--clr-text-muted);
  text-decoration: none;
}

.nav-link:hover {
  color: var(--clr-accent);
}

/* ─── Theme toggle (sun/moon) ─────────────────────────── */

.theme-toggle {
  width: 36px;
  height: 36px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--clr-border);
  border-radius: 999px;
  color: var(--clr-text-muted);
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.theme-toggle:hover {
  background: var(--clr-bg-alt);
  border-color: var(--clr-border-strong);
  color: var(--clr-accent);
}

.theme-toggle:focus-visible {
  outline: none;
  border-color: var(--clr-accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--clr-accent) 25%, transparent);
}

.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: block; }

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .icon-sun { display: block; }
  :root:not([data-theme="light"]) .theme-toggle .icon-moon { display: none; }
}

:root[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
:root[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

:root[data-theme="light"] .theme-toggle .icon-sun { display: none; }
:root[data-theme="light"] .theme-toggle .icon-moon { display: block; }

/* ─── Hero ────────────────────────────────────────────── */

.hero {
  background: linear-gradient(180deg, var(--clr-bg) 0%, var(--clr-bg-alt) 100%);
  padding: 72px 24px 52px;
  text-align: center;
}

.hero-inner { max-width: 760px; margin: 0 auto; }

.hero-badge {
  display: inline-block;
  margin-bottom: 14px;
  padding: 4px 12px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--clr-accent);
  background: var(--clr-accent-light);
  border-radius: 999px;
}

.hero h1 {
  margin: 0 0 10px;
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  line-height: 1.2;
}

.hero-sub {
  margin: 0 auto;
  color: var(--clr-text-muted);
  max-width: 620px;
}

.hero-sub code {
  background: var(--clr-bg-alt);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.92em;
}

/* ─── Layout ──────────────────────────────────────────── */

.section { padding: 36px 0 64px; }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* ─── Search panel ────────────────────────────────────── */

.search-panel {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow-sm);
}

.search-panel label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.9rem;
  font-weight: 600;
}

.search-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 10px;
}

input, select, button {
  font: inherit;
}

input, select {
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  padding: 11px 12px;
  background: var(--clr-surface);
  color: var(--clr-text);
}

input:focus, select:focus {
  outline: none;
  border-color: var(--clr-accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--clr-accent) 20%, transparent);
}

.filters-row {
  margin-top: 14px;
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.filters-row label {
  display: inline;
  margin-bottom: 0;
  font-size: 0.88rem;
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
}

.filters-row select {
  min-width: 0;
  flex: 1 1 140px;
  max-width: 260px;
}

/* ─── Buttons ─────────────────────────────────────────── */

.btn {
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  padding: 11px 14px;
  cursor: pointer;
  font-weight: 500;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn-primary {
  background: var(--clr-accent);
  color: #fff;
}

.btn-primary:hover { background: var(--clr-accent-dark); }

.btn-outline {
  background: transparent;
  border-color: var(--clr-border);
  color: var(--clr-text);
}

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

/* ─── Status / stats ──────────────────────────────────── */

.status-row { margin: 16px 0; }
.section-desc { color: var(--clr-text-muted); margin: 0; }

.global-usage-stats {
  margin: 0 0 10px;
  font-size: 0.8rem;
  color: var(--clr-text-muted);
  opacity: 0.88;
  letter-spacing: 0.01em;
}

.global-usage-stats.global-usage-missing,
.global-usage-pending {
  font-style: italic;
  opacity: 0.75;
}

/* ─── Loading indicator ───────────────────────────────── */

.loading-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 22px 18px;
  margin: 12px 0;
  border: 1px dashed var(--clr-border);
  border-radius: var(--radius);
  color: var(--clr-text-muted);
  background: color-mix(in srgb, var(--clr-surface) 60%, transparent);
}
.loading-indicator .spinner {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid var(--clr-border-strong);
  border-top-color: var(--clr-accent);
  animation: islamqa-spin 0.8s linear infinite;
}
.loading-indicator .loading-text {
  font-size: 0.92rem;
  font-weight: 500;
}
@keyframes islamqa-spin {
  to { transform: rotate(360deg); }
}
@media (prefers-reduced-motion: reduce) {
  .loading-indicator .spinner { animation-duration: 2.5s; }
}

/* ─── Result list + card ──────────────────────────────── */

.result-list { display: grid; gap: 16px; }

.result-card {
  position: relative;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: box-shadow 0.18s ease, border-color 0.18s ease;
}

.result-card:hover {
  border-color: var(--clr-border-strong);
  box-shadow: var(--shadow-md);
}

.result-card:focus-visible {
  outline: none;
  border-color: var(--clr-accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--clr-accent) 25%, transparent);
}

/* ─── Head: meta strip + icon actions ─────────────────── */

.result-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.result-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  flex: 1;
  min-width: 0;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--clr-bg-alt);
  color: var(--clr-text-muted);
  border-radius: 999px;
  padding: 3px 10px;
  font-size: 0.78rem;
  font-weight: 500;
  line-height: 1.4;
  white-space: nowrap;
}

.chip-id {
  background: var(--clr-accent-light);
  color: var(--clr-accent);
  font-weight: 600;
}

.chip-sim {
  background: var(--clr-sim-bg);
  color: var(--clr-sim);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  margin-left: auto;
}

.chip-cat {
  background: var(--clr-bg-alt);
  color: var(--clr-text-faint);
  font-size: 0.74rem;
}

.result-actions {
  display: flex;
  gap: 2px;
  flex-shrink: 0;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--clr-text-muted);
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
  text-decoration: none;
}

.icon-btn:hover {
  background: var(--clr-bg-alt);
  color: var(--clr-accent);
}

.icon-btn:focus-visible {
  outline: none;
  background: var(--clr-bg-alt);
  color: var(--clr-accent);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--clr-accent) 35%, transparent);
}

.icon-btn.is-copied {
  color: var(--clr-accent);
  background: var(--clr-accent-light);
}

/* ─── Title ───────────────────────────────────────────── */

.result-title {
  margin: 0 0 8px;
  font-size: 1.05rem;
  line-height: 1.4;
}

/* ─── English body (smart clamp) ──────────────────────── */

.result-body {
  position: relative;
  margin: 0 0 10px;
}

.english-text {
  color: var(--clr-text);
  font-size: 0.95rem;
  line-height: 1.7;
  white-space: pre-wrap;
  word-wrap: break-word;
}

.english-text.is-clamped {
  display: -webkit-box;
  -webkit-line-clamp: 6;
  -webkit-box-orient: vertical;
  overflow: hidden;
  mask-image: linear-gradient(180deg, #000 70%, transparent);
  -webkit-mask-image: linear-gradient(180deg, #000 70%, transparent);
}

.expand-btn {
  display: inline-block;
  margin-top: 8px;
  padding: 4px 0;
  border: none;
  background: transparent;
  color: var(--clr-accent);
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
}

.expand-btn:hover { color: var(--clr-accent-dark); }

/* ─── Arabic block ────────────────────────────────────── */

.arabic-block {
  margin-top: 16px;
  padding: 14px 16px;
  background: var(--clr-bg-alt);
  border-radius: var(--radius-sm);
  border-right: 3px solid var(--clr-accent);
}

.arabic-text {
  margin: 0;
  font-family: var(--font-arabic);
  font-size: 1.4rem;
  line-height: 2;
  text-align: right;
  direction: rtl;
  color: var(--clr-text);
  letter-spacing: 0.005em;
}

/* ─── Category chips row ──────────────────────────────── */

.result-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}

/* ─── Single-result detail mode ───────────────────────── */

.result-card.is-detail {
  padding: 24px 28px;
  cursor: default;
}

.result-card.is-detail .english-text {
  font-size: 1.05rem;
}

.result-card.is-detail .arabic-text {
  font-size: 1.55rem;
}

.result-card.is-detail .result-title {
  font-size: 1.2rem;
}

/* Detail sections (question / answer) */
.detail-section {
  margin-bottom: 16px;
}

.detail-section-heading {
  margin: 0 0 6px;
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--clr-accent);
}

.detail-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--clr-border);
}

.detail-links a,
.detail-links button {
  font-size: 0.88rem;
  color: var(--clr-accent);
  text-decoration: none;
  background: transparent;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  cursor: pointer;
  font-weight: 500;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.detail-links a:hover,
.detail-links button:hover {
  border-color: var(--clr-accent);
}

.btn-show-arabic {
  margin-top: 12px;
  padding: 6px 14px;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  background: var(--clr-accent-light);
  color: var(--clr-accent);
  font-weight: 600;
  font-size: 0.86rem;
  cursor: pointer;
  transition: border-color 0.15s ease;
}

.btn-show-arabic:hover { border-color: var(--clr-accent); }

/* ─── Pagination + empty ──────────────────────────────── */

.pagination {
  margin-top: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--clr-text-muted);
}

.empty {
  border: 1px dashed var(--clr-border);
  border-radius: var(--radius);
  padding: 28px 18px;
  color: var(--clr-text-muted);
  text-align: center;
}

/* ─── Toast ───────────────────────────────────────────── */

.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: var(--clr-text);
  color: var(--clr-bg);
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 500;
  box-shadow: var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 100;
}

.toast.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ─── Detail view ─────────────────────────────────────── */

body.is-detail-mode .search-panel,
body.is-detail-mode .status-row,
body.is-detail-mode .global-usage-stats,
body.is-detail-mode .hero { display: none; }

.detail-view {
  margin-top: 8px;
}

.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 20px;
  font-size: 0.9rem;
}

/* ─── Responsive ──────────────────────────────────────── */

@media (max-width: 760px) {
  .hero { padding: 36px 18px 24px; }
  .hero-badge { margin-bottom: 10px; font-size: 0.72rem; padding: 3px 10px; }
  .hero h1 { font-size: 1.5rem; margin-bottom: 6px; }
  .hero-sub { font-size: 0.88rem; }
  .section { padding: 24px 0 48px; }
  .search-panel { padding: 14px; }
  .search-panel > label { font-size: 0.84rem; margin-bottom: 6px; }
  .search-row { grid-template-columns: 1fr; }
  .filters-row { gap: 6px 10px; }
  .filters-row select { max-width: none; flex: 1 1 100%; }
  .filters-row label { flex-basis: auto; }
  .result-card { padding: 16px; }
  .result-head { flex-direction: column; gap: 8px; }
  .result-actions { align-self: flex-end; }
  .arabic-text { font-size: 1.25rem; line-height: 1.9; }
}

/* ─── Embedded mode (?app=1) ──────────────────────────── */

body.is-embedded .top-nav,
body.is-embedded .hero { display: none; }
body.is-embedded .section { padding: 16px 0 32px; }
body.is-embedded { background: var(--clr-bg); }