/*
 * Aether FX Pro — World-Class Fintech Design System (Phase 2)
 * Dark Mode: #080D18 background, #111827 surface, #4F8CFF primary, #24D3B5 secondary, #F8FAFC text, #94A3B8 muted
 * Light Mode: #F7F9FC background, #FFFFFF surface, #2563EB primary, #0F172A text
 */
:root,
[data-theme="dark"] {
  --bg-primary: #080D18;
  --bg-surface: #111827;
  --bg-surface-elevated: #172033;
  --bg-surface-subtle: #0D1424;
  --border-subtle: rgba(148, 163, 184, 0.14);
  --border-strong: rgba(79, 140, 255, 0.38);
  --accent-primary: #4F8CFF;
  --accent-primary-hover: #3B78F5;
  --accent-secondary: #24D3B5;
  --accent-positive: #10B981;
  --accent-negative: #EF4444;
  --accent-warning: #F59E0B;
  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --shadow-card: 0 12px 32px -8px rgba(0, 0, 0, 0.55);
  --chart-grid: rgba(148, 163, 184, 0.12);
}

[data-theme="light"] {
  --bg-primary: #F7F9FC;
  --bg-surface: #FFFFFF;
  --bg-surface-elevated: #F1F5F9;
  --bg-surface-subtle: #F8FAFC;
  --border-subtle: rgba(15, 23, 42, 0.10);
  --border-strong: rgba(37, 99, 235, 0.35);
  --accent-primary: #2563EB;
  --accent-primary-hover: #1D4ED8;
  --accent-secondary: #0D9488;
  --accent-positive: #059669;
  --accent-negative: #DC2626;
  --accent-warning: #D97706;
  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #64748B;
  --shadow-card: 0 10px 25px -6px rgba(15, 23, 42, 0.07);
  --chart-grid: rgba(15, 23, 42, 0.08);
}

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

html {
  font-family: "Inter", "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Skip Link for WCAG 2.2 AA Keyboard Accessibility */
.skip-link {
  position: absolute;
  top: -50px;
  left: 16px;
  background: var(--accent-primary);
  color: #ffffff;
  padding: 8px 16px;
  border-radius: 8px;
  z-index: 9999;
  text-decoration: none;
  font-weight: 600;
}
.skip-link:focus {
  top: 12px;
}

:focus-visible {
  outline: 2px solid var(--accent-secondary);
  outline-offset: 2px;
}

/* App Shell Layout: Collapsible Desktop Sidebar + Main View + Mobile Bottom Nav */
.app-shell {
  display: flex;
  min-height: 100vh;
}

.desktop-sidebar {
  width: 256px;
  background: var(--bg-surface);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 20px 14px;
  position: sticky;
  top: 0;
  height: 100vh;
  transition: width 0.2s ease;
  flex-shrink: 0;
  z-index: 40;
}

.desktop-sidebar.collapsed {
  width: 76px;
}
.desktop-sidebar.collapsed .nav-label,
.desktop-sidebar.collapsed .brand-copy,
.desktop-sidebar.collapsed .sidebar-footer-copy {
  display: none;
}

.brand-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 4px 6px 18px;
  border-bottom: 1px solid var(--border-subtle);
}

.brand-mark {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-logo {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #080D18;
  font-size: 16px;
  flex-shrink: 0;
}

.brand-title {
  font-weight: 800;
  font-size: 16px;
  letter-spacing: -0.02em;
  display: block;
}

.brand-subtitle {
  font-size: 11px;
  color: var(--accent-secondary);
  font-weight: 600;
  display: block;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 18px;
}

.nav-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 11px 13px;
  border-radius: 10px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.nav-btn:hover {
  background: var(--bg-surface-elevated);
  color: var(--text-primary);
}

.nav-btn.active {
  background: rgba(79, 140, 255, 0.14);
  color: var(--accent-primary);
  border-color: var(--border-strong);
}

.nav-icon {
  font-size: 18px;
  line-height: 1;
  width: 22px;
  text-align: center;
  flex-shrink: 0;
}

.sidebar-footer {
  border-top: 1px solid var(--border-subtle);
  padding-top: 14px;
  font-size: 12px;
  color: var(--text-secondary);
}

/* Main Content Area */
.main-workspace {
  flex: 1;
  min-width: 0;
  padding: 20px 28px 100px;
  max-width: 1440px;
  margin: 0 auto;
  width: 100%;
}

/* Top Utility Header */
.top-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 18px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border-subtle);
}

.outcome-banner {
  flex: 1;
  min-width: 280px;
}

.outcome-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-secondary);
  background: rgba(36, 211, 181, 0.12);
  border: 1px solid rgba(36, 211, 181, 0.30);
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 6px;
}

.outcome-headline {
  margin: 0;
  font-size: clamp(18px, 2.2vw, 24px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.outcome-sub {
  margin: 4px 0 0;
  font-size: 13px;
  color: var(--text-secondary);
}

.top-controls {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

/* Cards & Grid */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 20px;
  box-shadow: var(--shadow-card);
  margin-bottom: 20px;
}

.card-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 16px;
}

.card-title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-subtitle {
  margin: 2px 0 0;
  font-size: 12px;
  color: var(--text-secondary);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 20px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

/* Hero Rate Card */
.hero-rate-card {
  background: linear-gradient(160deg, var(--bg-surface) 0%, var(--bg-surface-elevated) 100%);
  border: 1px solid var(--border-strong);
}

.pair-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--bg-surface-subtle);
  border: 1px solid var(--border-subtle);
  font-weight: 700;
  font-size: 13px;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.status-live {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-positive);
  border: 1px solid rgba(16, 185, 129, 0.35);
}

.status-cached {
  background: rgba(245, 158, 11, 0.16);
  color: var(--accent-warning);
  border: 1px solid rgba(245, 158, 11, 0.38);
}

.hero-rate-display {
  margin: 14px 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 14px;
}

.hero-rate-number {
  font-size: clamp(28px, 3.6vw, 42px);
  font-weight: 800;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}

.delta-pill {
  padding: 4px 10px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.delta-pos {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-positive);
}

.delta-neg {
  background: rgba(239, 68, 68, 0.15);
  color: var(--accent-negative);
}

.bundle-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.bundle-box {
  background: var(--bg-surface-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 10px 12px;
}

.bundle-label {
  font-size: 11px;
  color: var(--text-secondary);
  display: block;
}

.bundle-val {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}

/* Form Controls & Buttons */
.control-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.input-field,
.select-field {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface-subtle);
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
}

.input-field:focus,
.select-field:focus {
  border-color: var(--accent-primary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 9px 14px;
  border-radius: 10px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface-elevated);
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

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

.btn-primary {
  background: var(--accent-primary);
  color: #ffffff;
  border-color: var(--accent-primary);
}

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

.btn-secondary {
  background: rgba(36, 211, 181, 0.14);
  color: var(--accent-secondary);
  border-color: rgba(36, 211, 181, 0.35);
}

.btn-chip {
  padding: 5px 10px;
  font-size: 12px;
  border-radius: 8px;
}

.btn-chip.active {
  background: var(--accent-primary);
  color: #ffffff;
  border-color: var(--accent-primary);
}

.converter-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 10px;
  align-items: end;
  margin-bottom: 12px;
}

.swap-btn {
  height: 40px;
  width: 40px;
  border-radius: 10px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface-elevated);
  color: var(--accent-primary);
  font-size: 18px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.converted-result-box {
  background: var(--bg-surface-subtle);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  padding: 14px 16px;
  margin: 12px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

.converted-big {
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 800;
  color: var(--accent-secondary);
  font-variant-numeric: tabular-nums;
}

/* Interactive Canvas Charts */
.chart-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.chart-stage {
  position: relative;
  width: 100%;
  height: 320px;
  background: var(--bg-surface-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  overflow: hidden;
}

.chart-canvas {
  width: 100%;
  height: 100%;
  display: block;
  cursor: crosshair;
}

.chart-tooltip {
  position: absolute;
  top: 12px;
  left: 14px;
  background: rgba(8, 13, 24, 0.90);
  color: #F8FAFC;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 7px 11px;
  font-size: 12px;
  pointer-events: none;
  font-variant-numeric: tabular-nums;
}

.stats-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.stat-item {
  background: var(--bg-surface-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 10px 12px;
}

.stat-label {
  font-size: 11px;
  color: var(--text-secondary);
  display: block;
}

.stat-val {
  font-size: 14px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

/* Watchlist Grid */
.watchlist-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
}

.watch-card {
  background: var(--bg-surface-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 12px 14px;
  cursor: pointer;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.watch-card:hover,
.watch-card.selected {
  border-color: var(--accent-primary);
}

/* Tables */
.table-wrap {
  width: 100%;
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}

.data-table th,
.data-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-subtle);
  text-align: left;
}

.data-table th {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  background: var(--bg-surface-subtle);
}

/* Warning & Disclosure Callouts */
.callout {
  border-radius: 12px;
  padding: 12px 15px;
  font-size: 12.5px;
  line-height: 1.5;
  margin-top: 12px;
}

.callout-info {
  background: rgba(79, 140, 255, 0.10);
  border: 1px solid rgba(79, 140, 255, 0.30);
  color: var(--text-primary);
}

.callout-warn {
  background: rgba(245, 158, 11, 0.11);
  border: 1px solid rgba(245, 158, 11, 0.35);
  color: var(--text-primary);
}

/* Mobile Bottom Navigation Bar (Phase 2.3) */
.mobile-bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  padding: 6px 8px env(safe-area-inset-bottom, 8px);
  z-index: 60;
  justify-content: space-around;
}

.mob-nav-btn {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 6px 4px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 600;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  cursor: pointer;
}

.mob-nav-btn.active {
  color: var(--accent-primary);
  background: rgba(79, 140, 255, 0.12);
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }
  .grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .desktop-sidebar {
    display: none;
  }
  .mobile-bottom-nav {
    display: flex;
  }
  .main-workspace {
    padding: 14px 14px 96px;
  }
  .bundle-strip,
  .grid-3,
  .stats-strip {
    grid-template-columns: 1fr;
  }
  .converter-row {
    grid-template-columns: 1fr;
  }
}

/* Reduced Motion Preference (Phase 2.2) */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}


/* =========================================================================
 * Phase 2 Visual Reference Enhancements (Obsidian + Luminous Cobalt & Cyan)
 * Matches Jady's Live Currency Dashboard + AI Forecast Advisor Reference
 * ========================================================================= */
.flag-badge-circle {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(79, 140, 255, 0.16);
  border: 1px solid rgba(79, 140, 255, 0.42);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  line-height: 1;
  box-shadow: 0 0 10px rgba(79, 140, 255, 0.22);
  flex-shrink: 0;
}

.pair-header-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(13, 20, 36, 0.85);
  border: 1px solid rgba(79, 140, 255, 0.32);
  padding: 6px 12px;
  border-radius: 999px;
}

[data-theme="light"] .pair-header-bar {
  background: #F1F5F9;
}

.bundle-strip-5 {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
  margin-top: 14px;
}

/* Crisp White / Cobalt Pill Time-Range Selector (Reference Screenshot Style) */
.pill-range-group {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 4px;
  background: var(--bg-surface-subtle);
  border: 1px solid var(--border-subtle);
  padding: 4px;
  border-radius: 999px;
}

.pill-range-group .btn-chip {
  border-radius: 999px;
  border: 1px solid transparent;
  background: transparent;
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-secondary);
}

.pill-range-group .btn-chip.active {
  background: #FFFFFF;
  color: #080D18;
  border-color: #FFFFFF;
  box-shadow: 0 2px 12px rgba(79, 140, 255, 0.38);
}

[data-theme="light"] .pill-range-group .btn-chip.active {
  background: var(--accent-primary);
  color: #FFFFFF;
  border-color: var(--accent-primary);
}

/* Prominent Action Pill Directly Under Historical Chart */
.chart-footer-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--border-subtle);
}

.btn-create-alert-pill {
  border-radius: 999px;
  padding: 9px 18px;
  background: linear-gradient(135deg, #2563EB 0%, #24D3B5 100%);
  color: #080D18;
  font-weight: 800;
  font-size: 13px;
  border: 1px solid rgba(36, 211, 181, 0.65);
  box-shadow: 0 0 20px rgba(36, 211, 181, 0.28);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn-create-alert-pill:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 26px rgba(79, 140, 255, 0.45);
}

/* Deep-Cobalt Glowing AI Advisor Card ("Meet Your AI Currency & Remittance Advisor") */
.ai-advisor-card {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.28) 0%, rgba(17, 24, 39, 0.95) 65%, rgba(8, 13, 24, 0.98) 100%);
  border: 1px solid rgba(79, 140, 255, 0.48);
  box-shadow: 0 14px 36px -8px rgba(0, 0, 0, 0.65), 0 0 24px rgba(36, 211, 181, 0.14);
  position: relative;
  overflow: hidden;
}

[data-theme="light"] .ai-advisor-card {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.10) 0%, #FFFFFF 70%);
  border: 1px solid rgba(37, 99, 235, 0.35);
  box-shadow: 0 10px 25px -6px rgba(37, 99, 235, 0.12);
}

.ai-tips-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.ai-tip-pill-card {
  background: rgba(8, 13, 24, 0.68);
  border: 1px solid rgba(36, 211, 181, 0.32);
  border-radius: 12px;
  padding: 12px 14px;
}

[data-theme="light"] .ai-tip-pill-card {
  background: #F8FAFC;
  border-color: rgba(13, 148, 136, 0.3);
}

.ai-tip-horizon-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  font-weight: 800;
  color: var(--accent-secondary);
  background: rgba(36, 211, 181, 0.14);
  padding: 3px 9px;
  border-radius: 999px;
  margin-bottom: 6px;
}

@media (max-width: 900px) {
  .bundle-strip-5 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .ai-tips-strip {
    grid-template-columns: 1fr;
  }
}