/* ============================================================================
   SCRAPER HUB — Design System
   Premium dark-mode-first stylesheet
   ============================================================================ */

/* ── Google Fonts are loaded in base.html ──────────────────────────────────── */

/* ============================================================================
   1. CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   ============================================================================ */
:root {
  /* Brand palette */
  --accent:        #6366f1;        /* indigo-500   */
  --accent-glow:   #818cf8;        /* indigo-400   */
  --accent-dark:   #4338ca;        /* indigo-700   */
  --accent2:       #06b6d4;        /* cyan-500     */
  --accent2-glow:  #22d3ee;        /* cyan-400     */
  --success:       #10b981;        /* emerald-500  */
  --warning:       #f59e0b;        /* amber-500    */
  --danger:        #ef4444;        /* red-500      */
  --info:          #3b82f6;        /* blue-500     */

  /* Backgrounds */
  --bg-root:       #0b0f1a;
  --bg-surface:    #111827;
  --bg-card:       #161d2e;
  --bg-hover:      #1e2740;
  --bg-glass:      rgba(22, 29, 46, 0.75);

  /* Borders */
  --border:        rgba(255, 255, 255, 0.07);
  --border-accent: rgba(99, 102, 241, 0.35);

  /* Text */
  --text-primary:  #f1f5f9;
  --text-muted:    #94a3b8;
  --text-subtle:   #4b5563;

  /* Effects */
  --shadow-sm:     0 2px 8px  rgba(0, 0, 0, 0.4);
  --shadow-md:     0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-lg:     0 16px 48px rgba(0, 0, 0, 0.6);
  --shadow-glow:   0 0 20px rgba(99, 102, 241, 0.25);
  --shadow-glow2:  0 0 20px rgba(6, 182, 212, 0.2);

  /* Radius */
  --radius-sm:     8px;
  --radius-md:     12px;
  --radius-lg:     18px;
  --radius-xl:     24px;

  /* Typography */
  --font-sans:     'Inter', system-ui, sans-serif;
  --font-display:  'Outfit', system-ui, sans-serif;

  /* Transitions */
  --ease:          cubic-bezier(0.4, 0, 0.2, 1);
  --dur:           180ms;
}


/* ============================================================================
   2. RESET & BASE
   ============================================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-root);
  background-image:
    radial-gradient(ellipse 80% 60% at 10% -10%, rgba(99, 102, 241, 0.12) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 90% 110%, rgba(6, 182, 212, 0.08) 0%, transparent 60%);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

a { color: var(--accent-glow); text-decoration: none; }
a:hover { color: #c7d2fe; }

::selection { background: rgba(99, 102, 241, 0.35); color: #fff; }


/* ============================================================================
   3. NAVBAR
   ============================================================================ */
.navbar {
  background: rgba(11, 15, 26, 0.85) !important;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 0.65rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar-brand {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--accent-glow) 0%, var(--accent2-glow) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-link {
  color: var(--text-muted) !important;
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.45rem 0.85rem !important;
  border-radius: var(--radius-sm);
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary) !important;
  background: rgba(255, 255, 255, 0.06);
}

.navbar-toggler {
  border-color: var(--border);
}
.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(148,163,184,1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}


/* ============================================================================
   4. LAYOUT
   ============================================================================ */
.container {
  max-width: 1300px;
}

.py-5 { padding-top: 2.5rem !important; padding-bottom: 2.5rem !important; }

section {
  padding: 2rem 0;
}


/* ============================================================================
   5. CARDS & GLASS
   ============================================================================ */

/* Glass card — used across all templates */
.glass-card,
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
  overflow: hidden;
}

.glass-card {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.card:hover,
.glass-card:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(255, 255, 255, 0.11);
}

/* Accent border helpers */
.card.border-primary  { border-color: var(--accent) !important; }
.card.border-info     { border-color: var(--accent2) !important; }
.card.border-success  { border-color: var(--success) !important; }
.card.border-warning  { border-color: var(--warning) !important; }
.card.border-danger   { border-color: var(--danger) !important; }

.border-start.border-4.border-primary  { border-color: var(--accent) !important; }
.border-start.border-4.border-success  { border-color: var(--success) !important; }
.border-start.border-4.border-info     { border-color: var(--accent2) !important; }
.border-start.border-4.border-warning  { border-color: var(--warning) !important; }

.card-header {
  background: transparent !important;
  border-bottom: 1px solid var(--border) !important;
  padding: 1.25rem 1.5rem !important;
}

.card-body { padding: 1.5rem; }


/* ============================================================================
   6. KPI / STAT CARDS
   ============================================================================ */
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
  transition: all var(--dur) var(--ease);
}

.stat-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(99,102,241,0.06), transparent 60%);
  pointer-events: none;
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
  border-color: var(--border-accent);
}

.stat-card .stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.stat-card .stat-icon.accent  { background: rgba(99,102,241,0.15); color: var(--accent-glow); }
.stat-card .stat-icon.cyan    { background: rgba(6,182,212,0.12);  color: var(--accent2-glow); }
.stat-card .stat-icon.green   { background: rgba(16,185,129,0.12); color: #34d399; }
.stat-card .stat-icon.amber   { background: rgba(245,158,11,0.12); color: #fbbf24; }
.stat-card .stat-icon.red     { background: rgba(239,68,68,0.12);  color: #f87171; }

.stat-card .stat-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 0.35rem;
  color: var(--text-primary);
}

.stat-card .stat-label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}


/* ============================================================================
   7. TABLES
   ============================================================================ */
.table {
  color: var(--text-primary);
  margin-bottom: 0;
  --bs-table-bg: transparent;
  --bs-table-striped-bg: transparent;
  --bs-table-hover-bg: var(--bg-hover);
  --bs-table-color: var(--text-primary);
  --bs-table-border-color: var(--border);
}

.table thead th {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border);
  padding: 0.85rem 1rem;
  white-space: nowrap;
}

.table tbody td {
  border-color: var(--border);
  vertical-align: middle;
  padding: 0.9rem 1rem;
  transition: background var(--dur) var(--ease);
}

.table tbody tr:hover td {
  background: var(--bg-hover);
}

.table-responsive {
  border-radius: var(--radius-lg);
}


/* ============================================================================
   8. BADGES
   ============================================================================ */
.badge {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 0.35em 0.75em;
  border-radius: 99px;
}

.bg-primary    { background: var(--accent) !important; }
.bg-info       { background: var(--accent2) !important; }
.bg-success    { background: var(--success) !important; }
.bg-warning    { background: var(--warning) !important; color: #000 !important; }
.bg-danger     { background: var(--danger) !important; }
.bg-secondary  { background: #374151 !important; }

/* Subtle badge variants */
.bg-info-subtle    { background: rgba(6,182,212,0.12)   !important; color: var(--accent2-glow) !important; }
.bg-success-subtle { background: rgba(16,185,129,0.12)  !important; color: #34d399 !important; }
.bg-warning-subtle { background: rgba(245,158,11,0.12)  !important; color: #fbbf24 !important; }
.bg-danger-subtle  { background: rgba(239,68,68,0.12)   !important; color: #f87171 !important; }
.bg-primary-subtle { background: rgba(99,102,241,0.12)  !important; color: var(--accent-glow) !important; }
.bg-light          { background: rgba(255,255,255,0.06) !important; color: var(--text-primary) !important; }

/* Border badges used in intelligence.html */
.border-success { border-color: rgba(16,185,129,0.4) !important; }
.border-info    { border-color: rgba(6,182,212,0.4) !important; }


/* ============================================================================
   9. BUTTONS
   ============================================================================ */
.btn {
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
  padding: 0.5rem 1.15rem;
  transition: all var(--dur) var(--ease);
  border: none;
  letter-spacing: 0.01em;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  color: #fff;
  box-shadow: 0 4px 14px rgba(99,102,241,0.35);
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--accent-glow) 0%, var(--accent) 100%);
  box-shadow: 0 6px 20px rgba(99,102,241,0.5);
  transform: translateY(-1px);
  color: #fff;
}

.btn-outline-info {
  border: 1px solid rgba(6,182,212,0.4);
  color: var(--accent2-glow);
  background: transparent;
}
.btn-outline-info:hover {
  background: rgba(6,182,212,0.12);
  border-color: var(--accent2);
  color: var(--accent2-glow);
}

.btn-outline-light {
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--text-muted);
  background: transparent;
}
.btn-outline-light:hover {
  background: rgba(255,255,255,0.07);
  color: var(--text-primary);
  border-color: rgba(255,255,255,0.25);
}

.btn-outline-secondary {
  border: 1px solid var(--border);
  color: var(--text-muted);
  background: transparent;
}
.btn-outline-secondary:hover {
  background: rgba(255,255,255,0.06);
  color: var(--text-primary);
}

.btn-sm { padding: 0.35rem 0.85rem; font-size: 0.8rem; }


/* ============================================================================
   10. FORMS & INPUTS
   ============================================================================ */
.form-control,
.form-select {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  padding: 0.6rem 0.9rem;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.form-control:focus,
.form-select:focus {
  background: var(--bg-surface);
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.18);
  color: var(--text-primary);
  outline: none;
}

.form-control::placeholder { color: var(--text-subtle); }

.form-label {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

.input-group-text {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: var(--radius-sm);
}


/* ============================================================================
   11. ALERTS
   ============================================================================ */
.alert {
  border-radius: var(--radius-md);
  border: 1px solid;
  font-size: 0.9rem;
}

.alert-info    { background: rgba(6,182,212,0.08);  border-color: rgba(6,182,212,0.25);  color: #67e8f9; }
.alert-success { background: rgba(16,185,129,0.08); border-color: rgba(16,185,129,0.25); color: #6ee7b7; }
.alert-warning { background: rgba(245,158,11,0.08); border-color: rgba(245,158,11,0.25); color: #fcd34d; }
.alert-danger  { background: rgba(239,68,68,0.08);  border-color: rgba(239,68,68,0.25);  color: #fca5a5; }


/* ============================================================================
   12. PROGRESS BARS
   ============================================================================ */
.progress {
  background: rgba(255,255,255,0.06);
  border-radius: 99px;
  overflow: hidden;
}

.progress-bar {
  border-radius: 99px;
  transition: width 0.7s var(--ease);
}

.bg-success.progress-bar,
.progress-bar.bg-success {
  background: linear-gradient(90deg, var(--success), #34d399) !important;
}
.bg-warning.progress-bar,
.progress-bar.bg-warning {
  background: linear-gradient(90deg, var(--warning), #fbbf24) !important;
}
.bg-info.progress-bar,
.progress-bar.bg-info {
  background: linear-gradient(90deg, var(--accent2), var(--accent2-glow)) !important;
}
.bg-primary.progress-bar,
.progress-bar.bg-primary {
  background: linear-gradient(90deg, var(--accent), var(--accent-glow)) !important;
}


/* ============================================================================
   13. CURRENCY TICKER CARDS (dashboard)
   ============================================================================ */
.ticker-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  text-align: center;
  transition: all var(--dur) var(--ease);
  position: relative;
  overflow: hidden;
}

.ticker-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
}

.ticker-card:hover::after { opacity: 1; }
.ticker-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-2px);
}

.ticker-card .ticker-label {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.3rem;
}

.ticker-card .ticker-value {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

/* Override Bootstrap's .card used for tickers */
.card.bg-light {
  background: var(--bg-card) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-md) !important;
  transition: all var(--dur) var(--ease);
}

.card.bg-light:hover {
  border-color: var(--border-accent) !important;
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow) !important;
}

.card.bg-light .card-body {
  padding: 0.9rem !important;
}


/* ============================================================================
   14. GRADIENT TEXT & DECORATIVE UTILITIES
   ============================================================================ */
.text-gradient {
  background: linear-gradient(135deg, var(--accent-glow) 0%, var(--accent2-glow) 60%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-muted { color: var(--text-muted) !important; }
.text-main  { color: var(--text-primary) !important; }

/* Pulsing live indicator */
.live-dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--success);
  margin-right: 6px;
  animation: pulse-dot 1.8s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.7); }
}

/* "LIVE DATA" badge */
.badge.bg-success.text-white {
  background: linear-gradient(135deg, var(--success), #059669) !important;
  box-shadow: 0 0 12px rgba(16,185,129,0.35);
  border-radius: 99px;
}


/* ============================================================================
   15. CHARTS (canvas containers)
   ============================================================================ */
canvas { display: block; }


/* ============================================================================
   16. INTEL / COMPARE TABLE ENHANCEMENTS
   ============================================================================ */
.hover-shadow:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
  border-color: var(--border-accent) !important;
}

.border.rounded.bg-light {
  background: var(--bg-surface) !important;
  border-color: var(--border) !important;
  border-radius: var(--radius-sm) !important;
  transition: all var(--dur) var(--ease);
}


/* ============================================================================
   17. PAGE HEADERS
   ============================================================================ */
.page-header {
  padding: 2rem 0 1.5rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
}

.page-header h1 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
}

.display-5 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.03em;
}


/* ============================================================================
   18. AVATAR CIRCLES (sources table)
   ============================================================================ */
.rounded-circle.bg-info-subtle {
  background: rgba(6,182,212,0.12) !important;
  color: var(--accent2-glow);
}


/* ============================================================================
   19. FOOTER
   ============================================================================ */
footer {
  border-color: var(--border) !important;
  color: var(--text-muted);
  font-size: 0.85rem;
}

footer a { color: var(--accent2-glow); }
footer a:hover { color: #fff; }


/* ============================================================================
   20. SCROLLBAR
   ============================================================================ */
::-webkit-scrollbar              { width: 6px; height: 6px; }
::-webkit-scrollbar-track        { background: var(--bg-root); }
::-webkit-scrollbar-thumb        { background: rgba(255,255,255,0.12); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover  { background: rgba(255,255,255,0.22); }


/* ============================================================================
   21. LOADING SKELETON ANIMATION
   ============================================================================ */
.skeleton {
  background: linear-gradient(90deg,
    rgba(255,255,255,0.05) 25%,
    rgba(255,255,255,0.10) 50%,
    rgba(255,255,255,0.05) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}


/* ============================================================================
   22. UTILITY OVERRIDES
   ============================================================================ */
.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.shadow    { box-shadow: var(--shadow-md) !important; }
.shadow-lg { box-shadow: var(--shadow-lg) !important; }

.border        { border-color: var(--border) !important; }
.border-top    { border-color: var(--border) !important; }
.border-bottom { border-color: var(--border) !important; }

.bg-white  { background: var(--bg-card) !important; }
.bg-dark   { background: var(--bg-root) !important; }
.bg-light  { background: var(--bg-surface) !important; }

.text-dark { color: var(--text-primary) !important; }
.text-info { color: var(--accent2-glow) !important; }
.text-success { color: #34d399 !important; }
.text-warning { color: #fbbf24 !important; }
.text-danger  { color: #f87171 !important; }
.text-primary { color: var(--accent-glow) !important; }

/* Opacity on footer border */
.opacity-50 { opacity: 0.5; }


/* ============================================================================
   23. RESPONSIVE
   ============================================================================ */
@media (max-width: 768px) {
  .stat-card .stat-value { font-size: 1.6rem; }
  .display-5 { font-size: 1.8rem; }
  .card-body { padding: 1rem; }
  .navbar-brand { font-size: 1.15rem; }
}


/* ============================================================================
   24. MICRO-ANIMATIONS
   ============================================================================ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.glass-card,
.stat-card,
.card {
  animation: fadeInUp 0.35s var(--ease) both;
}

/* Stagger card animations using nth-child */
.row > *:nth-child(1) .card,
.row > *:nth-child(1) .glass-card { animation-delay: 0.00s; }
.row > *:nth-child(2) .card,
.row > *:nth-child(2) .glass-card { animation-delay: 0.06s; }
.row > *:nth-child(3) .card,
.row > *:nth-child(3) .glass-card { animation-delay: 0.12s; }
.row > *:nth-child(4) .card,
.row > *:nth-child(4) .glass-card { animation-delay: 0.18s; }
.row > *:nth-child(5) .card,
.row > *:nth-child(5) .glass-card { animation-delay: 0.24s; }
.row > *:nth-child(6) .card,
.row > *:nth-child(6) .glass-card { animation-delay: 0.30s; }


/* ============================================================================
   25. BTN GROUPS
   ============================================================================ */
.btn-group .btn {
  border-radius: var(--radius-sm) !important;
  margin-left: 2px;
}
.btn-group .btn:first-child { margin-left: 0; }