/**
 * Al-Suwailem Family Tree Analytics
 * Modern Arabic-first design system
 */

/* ─── Typography ─── */
@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans+Arabic:wght@300;400;500;600;700&display=swap');

:root {
  /* Palette: www.swailem.org.sa */
  --www-swailem-org-sa-color-1: #666258;
  --www-swailem-org-sa-color-2: #E4DBCF;
  --www-swailem-org-sa-color-3: #342B24;
  --www-swailem-org-sa-color-4: #22302E;
  --www-swailem-org-sa-color-5: #4ACD7B;
  --www-swailem-org-sa-color-6: #0D76BD;

  --color-bg:        #faf8f3;
  --color-bg-elevated:#ffffff;
  --color-bg-card:   #ffffffb8;
  --color-paper:     #E4DBCF;
  --color-paper2:    #d8cbb6;

  --color-ink:       #342B24;
  --color-ink-soft:  #666258;
  --color-ink-muted: #948c7e;
  --color-border:    rgba(52,43,36,0.08);
  --color-border-strong: rgba(52,43,36,0.14);

  --color-primary:   #22302E;
  --color-primary-soft: rgba(34,48,46,0.08);
  --color-primary-text: #22302E;

  --color-gold:      #666258;
  --color-gold2:     #4d493f;
  --color-gold-soft: rgba(102,98,88,0.12);

  --color-sand:      #E4DBCF;
  --color-teal:      #4ACD7B;

  --color-chart-1:   #0D76BD;
  --color-chart-2:   #4ACD7B;
  --color-chart-3:   #666258;
  --color-chart-4:   #E4DBCF;
  --color-chart-5:   #22302E;

  --shadow-sm:       0 1px 2px rgba(52,43,36,0.04);
  --shadow-md:       0 4px 12px rgba(52,43,36,0.06);
  --shadow-lg:       0 12px 40px rgba(52,43,36,0.08);
  --shadow-xl:       0 24px 80px rgba(52,43,36,0.10);

  --radius-sm:       8px;
  --radius-md:       12px;
  --radius-lg:       16px;
  --radius-xl:       24px;
  --radius-full:     999px;

  --font-sans:       'IBM Plex Sans Arabic', system-ui, -apple-system, sans-serif;
  --font-mono:       ui-monospace, SFMono-Regular, monospace;

  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms cubic-bezier(0.16, 1, 0.3, 1);

  --header-h:        64px;
  --container-max:   1200px;
}

[data-theme="dark"] {
  --color-bg:        #1c1a17;
  --color-bg-elevated:#26231e;
  --color-bg-card:   #26231eb8;
  --color-paper:     #34302a;
  --color-paper2:    #3f3a32;

  --color-ink:       #E4DBCF;
  --color-ink-soft:  #c4bcae;
  --color-ink-muted: #948c7e;
  --color-border:    rgba(228,219,207,0.08);
  --color-border-strong: rgba(228,219,207,0.14);

  --color-primary:   #4ACD7B;
  --color-primary-soft: rgba(74,205,123,0.12);
  --color-primary-text: #4ACD7B;

  --color-gold:      #b3a893;
  --color-gold2:     #8f866f;
  --color-gold-soft: rgba(179,168,147,0.12);

  --color-sand:      #666258;
  --color-teal:      #4ACD7B;

  --color-chart-1:   #4a9fd4;
  --color-chart-2:   #4ACD7B;
  --color-chart-3:   #b3a893;
  --color-chart-4:   #7a9bbd;
  --color-chart-5:   #E4DBCF;
}

/* ─── Base ─── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background var(--transition-base), color var(--transition-base);
}
body[dir="rtl"] { direction: rtl; text-align: right; }

a { color: var(--color-primary-text); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--color-primary); }

img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ─── Layout ─── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 24px;
}
@media (max-width: 640px) {
  .container { padding-inline: 16px; }
}

/* ─── Header ─── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition-base);
}
@supports ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .site-header {
    background: var(--color-bg-elevated);
    backdrop-filter: blur(20px) saturate(1.8);
    -webkit-backdrop-filter: blur(20px) saturate(1.8);
  }
  @supports (background: color-mix(in srgb, red 50%, transparent)) {
    .site-header { background: color-mix(in srgb, var(--color-bg) 88%, transparent); }
  }
}
.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-ink);
}
.brand-logo {
  width: 32px; height: 32px;
  border-radius: var(--radius-md);
  object-fit: cover;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}
.main-nav a {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-ink-soft);
  transition: all var(--transition-fast);
}
.main-nav a:hover, .main-nav a.is-active {
  color: var(--color-ink);
  background: var(--color-primary-soft);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}
.theme-toggle {
  width: 40px; height: 40px;
  border-radius: var(--radius-full);
  display: grid; place-items: center;
  color: var(--color-ink-soft);
  background: transparent;
  transition: all var(--transition-fast);
}
.theme-toggle:hover { background: var(--color-primary-soft); color: var(--color-ink); }
.mobile-menu-btn {
  display: none;
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  background: var(--color-primary-soft);
}
@media (max-width: 920px) {
  .main-nav { display: none; }
  .mobile-menu-btn { display: grid; place-items: center; }
}

/* ─── Mobile menu overlay ─── */
.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0,0,0,0.5);
}
.mobile-overlay.is-open { display: block; }
.mobile-menu {
  position: fixed;
  inset-inline-end: 0;
  top: var(--header-h); bottom: 0;
  width: 280px;
  max-width: 85vw;
  background: var(--color-bg-elevated);
  border-inline-start: 1px solid var(--color-border-strong);
  padding: 24px;
  box-shadow: var(--shadow-lg);
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform var(--transition-base);
}
[dir="rtl"] .mobile-menu { transform: translateX(-100%); }
.mobile-overlay.is-open .mobile-menu { transform: translateX(0); }
.mobile-menu a {
  display: block;
  padding: 12px 0;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-ink-soft);
  border-bottom: 1px solid var(--color-border);
}
.mobile-menu a.is-active { color: var(--color-primary); }

/* ─── Hero ─── */
.hero {
  padding: 48px 0 32px;
}
.hero-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  line-height: 1.25;
  margin: 0 0 12px;
  letter-spacing: -0.02em;
}
.hero-subtitle {
  font-size: 1.05rem;
  color: var(--color-ink-muted);
  max-width: 560px;
  margin: 0 0 24px;
  line-height: 1.7;
}

/* ─── Search ─── */
.search-wrap {
  position: relative;
  max-width: 560px;
}
.search-input {
  width: 100%;
  height: 56px;
  padding-inline: 48px 16px;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--color-border-strong);
  background: var(--color-bg-elevated);
  font-family: inherit;
  font-size: 1rem;
  color: var(--color-ink);
  outline: none;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}
.search-input::placeholder { color: var(--color-ink-muted); }
.search-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-soft), var(--shadow-md);
}
.search-icon {
  position: absolute;
  inset-inline-start: 18px;
  top: 50%; transform: translateY(-50%);
  color: var(--color-ink-muted);
  pointer-events: none;
}
.search-kbd {
  position: absolute;
  inset-inline-end: 12px;
  top: 50%; transform: translateY(-50%);
  padding: 2px 8px;
  border-radius: 6px;
  background: var(--color-paper);
  border: 1px solid var(--color-border);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-ink-muted);
  pointer-events: none;
}
@media (max-width: 640px) {
  .search-kbd { display: none; }
}

/* ─── Cards ─── */
.card {
  background: var(--color-bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all var(--transition-base);
}
.card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-border-strong);
}
.card-stat .card-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-ink-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.card-stat .card-value {
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1.1;
  margin: 8px 0 4px;
  color: var(--color-ink);
  font-variant-numeric: tabular-nums;
}
.card-stat .card-sublabel {
  font-size: 0.85rem;
  color: var(--color-ink-muted);
}
.card-stat .card-change {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 8px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  background: var(--color-primary-soft);
  color: var(--color-primary-text);
}

/* ─── Grid ─── */
.grid {
  display: grid;
  gap: 16px;
}
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-6 { grid-template-columns: repeat(6, 1fr); }
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-6 { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4, .grid-6 { grid-template-columns: 1fr; }
}

/* ─── Section ─── */
.section {
  padding: 40px 0;
}
.section-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin: 0 0 8px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.section-desc {
  font-size: 0.9rem;
  color: var(--color-ink-muted);
  margin: 0 0 24px;
}
.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 40px;
  padding: 0 18px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  transition: all var(--transition-fast);
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--color-primary-text);
  color: #fff;
  box-shadow: 0 4px 12px rgba(46,125,58,0.25);
}
.btn-ghost {
  background: transparent;
  color: var(--color-ink-soft);
  border: 1px solid var(--color-border-strong);
}
.btn-ghost:hover {
  background: var(--color-primary-soft);
  color: var(--color-ink);
  border-color: var(--color-primary);
}
.btn-sm { height: 32px; padding: 0 12px; font-size: 0.8rem; }

/* ─── Table ─── */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.data-table th {
  text-align: start;
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-ink-muted);
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border-strong);
  white-space: nowrap;
}
.data-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-ink-soft);
  vertical-align: top;
}
.data-table tbody tr {
  transition: background var(--transition-fast);
}
.data-table tbody tr:hover {
  background: var(--color-primary-soft);
}
.data-table .rank {
  font-weight: 700;
  color: var(--color-ink-muted);
  font-variant-numeric: tabular-nums;
  width: 48px;
}
.data-table .name-cell {
  font-weight: 600;
  color: var(--color-ink);
}
.data-table .number {
  font-variant-numeric: tabular-nums;
  color: var(--color-ink-soft);
}

/* ─── Badge ─── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
}
.badge-green { background: var(--color-primary-soft); color: var(--color-primary-text); }
.badge-gold { background: var(--color-gold-soft); color: var(--color-gold2); }
.badge-muted { background: var(--color-paper); color: var(--color-ink-muted); }

/* ─── Chart placeholders ─── */
.chart-container {
  background: var(--color-bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  min-height: 300px;
}

/* ─── Progress bar ─── */
.progress-bar {
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--color-paper);
  overflow: hidden;
}
.progress-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, var(--color-primary), var(--color-gold));
  transition: width 1.2s var(--transition-slow);
}

/* ─── Footer ─── */
.site-footer {
  padding: 32px 0;
  border-top: 1px solid var(--color-border);
  margin-top: 40px;
}
.site-footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--color-ink-muted);
}

/* ─── Utility ─── */
.text-muted { color: var(--color-ink-muted); }
.text-soft { color: var(--color-ink-soft); }
.text-primary { color: var(--color-primary-text); }
.text-center { text-align: center; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.flex { display: flex; }
.gap-2 { gap: 16px; }
.wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.w-full { width: 100%; }
.overflow-x-auto { overflow-x: auto; }

/* ─── Name highlight / pill ─── */
.name-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-ink);
  transition: all var(--transition-fast);
}
.name-pill:hover {
  border-color: var(--color-gold);
  background: var(--color-gold-soft);
}

/* ─── Animations ─── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
.animate-in {
  animation: fadeInUp 0.5s var(--transition-slow) both;
}
.stagger-1 { animation-delay: 0.05s; }
.stagger-2 { animation-delay: 0.10s; }
.stagger-3 { animation-delay: 0.15s; }
.stagger-4 { animation-delay: 0.20s; }
.stagger-5 { animation-delay: 0.25s; }
.stagger-6 { animation-delay: 0.30s; }

@keyframes countUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.count-animate {
  animation: countUp 0.6s var(--transition-slow) both;
}

/* ─── Tooltip ─── */
[data-tooltip] {
  position: relative;
}
[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 6px);
  inset-inline-start: 50%;
  transform: translateX(-50%);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  background: var(--color-ink);
  color: var(--color-bg);
  font-size: 0.75rem;
  font-weight: 500;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
  z-index: 50;
}
[dir="rtl"] [data-tooltip]::after { transform: translateX(50%); }
[data-tooltip]:hover::after { opacity: 1; }

/* ─── Scrollbar ─── */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--color-sand); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: var(--color-ink-muted); }

/* ─── Loading skeleton ─── */
.skeleton {
  background: linear-gradient(90deg, var(--color-paper) 25%, var(--color-bg-elevated) 50%, var(--color-paper) 75%);
  background-size: 200% 100%;
  animation: skeleton 1.5s infinite;
  border-radius: var(--radius-sm);
}
@keyframes skeleton {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ─── Disclaimer banner ─── */
.disclaimer {
  padding: 12px 16px;
  border-radius: var(--radius-md);
  background: var(--color-gold-soft);
  border: 1px solid rgba(194,160,79,0.2);
  color: var(--color-gold2);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ─── Page hero for inner pages ─── */
.page-hero {
  padding: 32px 0 24px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 24px;
}
.page-hero h1 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  margin: 0;
}
.page-hero p {
  color: var(--color-ink-muted);
  margin: 6px 0 0;
  max-width: 640px;
}