/* ==========================================================================
   FinTrace - Modern Financial Tracking Dashboard
   Vanilla CSS Design System & Theme Engine
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

/* --- Root Design Tokens (Dark Theme Default) --- */
:root {
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Color Palette - Dark Slate / Obsidian */
  --bg-main: #0a0e17;
  --bg-surface: #111827;
  --bg-surface-elevated: #162032;
  --bg-glass: rgba(17, 24, 39, 0.75);
  --bg-glass-card: rgba(22, 32, 50, 0.65);
  --bg-glass-hover: rgba(30, 41, 59, 0.85);

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(59, 130, 246, 0.6);
  --border-card: rgba(255, 255, 255, 0.07);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-inverse: #0a0e17;

  /* Accent Colors */
  --accent-gold: #f59e0b;
  --accent-gold-gradient: linear-gradient(135deg, #fbbf24 0%, #d97706 100%);
  --accent-gold-glow: rgba(245, 158, 11, 0.25);

  --accent-dollar: #10b981;
  --accent-dollar-gradient: linear-gradient(135deg, #34d399 0%, #059669 100%);
  --accent-dollar-glow: rgba(16, 185, 129, 0.25);

  --accent-euro: #3b82f6;
  --accent-euro-gradient: linear-gradient(135deg, #60a5fa 0%, #2563eb 100%);
  --accent-euro-glow: rgba(59, 130, 246, 0.25);

  --accent-pound: #8b5cf6;
  --accent-pound-gradient: linear-gradient(135deg, #a78bfa 0%, #7c3aed 100%);
  --accent-pound-glow: rgba(139, 92, 246, 0.25);

  --accent-oil: #f97316;
  --accent-oil-gradient: linear-gradient(135deg, #fb923c 0%, #ea580c 100%);
  --accent-oil-glow: rgba(249, 115, 22, 0.25);

  --accent-sar: #14b8a6;
  --accent-sar-gradient: linear-gradient(135deg, #2dd4bf 0%, #0d9488 100%);
  --accent-sar-glow: rgba(20, 184, 166, 0.25);

  --accent-bist: #e11d48;
  --accent-bist-gradient: linear-gradient(135deg, #fb7185 0%, #e11d48 100%);
  --accent-bist-glow: rgba(225, 29, 72, 0.25);

  /* Semantic Feedback */
  --gain-color: #10b981;
  --gain-bg: rgba(16, 185, 129, 0.12);
  --gain-border: rgba(16, 185, 129, 0.25);

  --loss-color: #ef4444;
  --loss-bg: rgba(239, 68, 68, 0.12);
  --loss-border: rgba(239, 68, 68, 0.25);

  --neutral-color: #94a3b8;
  --neutral-bg: rgba(148, 163, 184, 0.12);

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px -1px rgba(0, 0, 0, 0.4), 0 2px 6px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, 0.5), 0 4px 12px -2px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.15);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Light Theme Overrides --- */
[data-theme="light"] {
  --bg-main: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #f1f5f9;
  --bg-glass: rgba(255, 255, 255, 0.85);
  --bg-glass-card: rgba(255, 255, 255, 0.75);
  --bg-glass-hover: rgba(241, 245, 249, 0.95);

  --border-subtle: rgba(15, 23, 42, 0.08);
  --border-focus: rgba(37, 99, 235, 0.6);
  --border-card: rgba(15, 23, 42, 0.06);

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --text-inverse: #ffffff;

  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 14px -1px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 28px -4px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 20px rgba(37, 99, 235, 0.08);
}

/* --- CSS Reset & Global Layout --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
  overflow-x: hidden;
  transition: background-color var(--transition-slow), color var(--transition-slow);
  position: relative;
}

/* Ambient Background Glows */
.ambient-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.45;
  transition: opacity var(--transition-slow);
}

.ambient-1 {
  top: -10%;
  left: 15%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.35) 0%, transparent 70%);
}

.ambient-2 {
  top: 30%;
  right: -5%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.25) 0%, transparent 70%);
}

.ambient-3 {
  bottom: 5%;
  left: 5%;
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.22) 0%, transparent 70%);
}

/* --- Top Announcement & Live Ticker Marquee --- */
.ticker-bar {
  position: relative;
  z-index: 40;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  overflow: hidden;
  height: 38px;
  display: flex;
  align-items: center;
}

.ticker-track {
  display: flex;
  white-space: nowrap;
  animation: marquee 35s linear infinite;
  gap: 2.5rem;
}

.ticker-track:hover {
  animation-play-state: paused;
}

.ticker-item {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.ticker-name {
  color: var(--text-primary);
  font-weight: 700;
}

.ticker-price {
  font-family: var(--font-mono);
  color: var(--text-primary);
}

.ticker-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
}

.ticker-badge.up {
  color: var(--gain-color);
  background: var(--gain-bg);
}

.ticker-badge.down {
  color: var(--loss-color);
  background: var(--loss-bg);
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* --- Main App Container --- */
.app-container {
  position: relative;
  z-index: 10;
  max-width: 1360px;
  margin: 0 auto;
  padding: 1.5rem 1.5rem 4rem 1.5rem;
}

/* --- Header Section --- */
.header-glass {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-md);
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.brand-logo-link {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  background: transparent;
  border: none;
  outline: none;
  padding: 0;
}

.brand-main-logo {
  height: 84px;
  width: auto;
  max-width: 360px;
  object-fit: contain;
  display: block;
  background: transparent;
  border: none;
  box-shadow: none;
  transition: transform var(--transition-fast);
}

[data-theme="dark"] .brand-main-logo {
  filter: drop-shadow(0 0 1px rgba(255, 255, 255, 0.45)) drop-shadow(0 3px 12px rgba(59, 130, 246, 0.25));
}

[data-theme="light"] .brand-main-logo {
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.08));
}

.brand-logo-link:hover .brand-main-logo {
  transform: scale(1.03);
}

.brand-pill-tag {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--accent-euro);
  background: rgba(59, 130, 246, 0.12);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
}

.divider-dot {
  color: var(--text-muted);
}

.brand-subtitle {
  font-size: 0.775rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pulse-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--gain-color);
  font-weight: 600;
  font-size: 0.75rem;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--gain-color);
  position: relative;
}

.pulse-dot::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background-color: var(--gain-color);
  animation: pulse-ring 1.8s cubic-bezier(0.24, 0, 0.38, 1) infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(2.4); opacity: 0; }
  100% { transform: scale(0.95); opacity: 0; }
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.clock-display {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  padding: 0.4rem 0.9rem;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
}

.clock-time {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
}

.clock-date {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.ctrl-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  height: 40px;
  padding: 0 1rem;
  background: var(--bg-surface-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.ctrl-btn:hover {
  background: var(--bg-glass-hover);
  border-color: var(--border-focus);
  transform: translateY(-1px);
}

.ctrl-btn:active {
  transform: translateY(0);
}

.ctrl-btn svg {
  width: 18px;
  height: 18px;
  transition: transform var(--transition-normal);
}

.refresh-btn.spinning svg {
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  100% { transform: rotate(360deg); }
}

/* Auto-refresh timer ring */
.timer-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.75rem;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.countdown-svg {
  width: 20px;
  height: 20px;
  transform: rotate(-90deg);
}

.countdown-circle-bg {
  fill: none;
  stroke: var(--border-subtle);
  stroke-width: 3;
}

.countdown-circle-progress {
  fill: none;
  stroke: var(--accent-dollar);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-dasharray: 56.5;
  stroke-dashoffset: 0;
  transition: stroke-dashoffset 1s linear;
}

/* --- Hero Stat Highlights --- */
.hero-overview {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.stat-chip {
  background: var(--bg-glass-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 1.1rem 1.4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.stat-chip:hover {
  border-color: var(--border-subtle);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.stat-chip-label {
  font-size: 0.775rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.stat-chip-val {
  font-size: 1.15rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--text-primary);
}

.stat-chip-badge {
  font-size: 0.775rem;
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

/* --- Section Titles --- */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.section-title {
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.section-badge {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

.section-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* --- 6 Main Asset Cards Grid --- */
.asset-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.asset-card {
  position: relative;
  background: var(--bg-glass-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 1.6rem;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
}

.asset-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  opacity: 0.85;
  transition: opacity var(--transition-normal);
}

.asset-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(255, 255, 255, 0.16);
}

/* Asset Card Specific Themes */
.asset-card[data-asset="ons"]::before { background: var(--accent-gold-gradient); }
.asset-card[data-asset="usd"]::before { background: var(--accent-dollar-gradient); }
.asset-card[data-asset="eur"]::before { background: var(--accent-euro-gradient); }
.asset-card[data-asset="gbp"]::before { background: var(--accent-pound-gradient); }
.asset-card[data-asset="brent"]::before { background: var(--accent-oil-gradient); }
.asset-card[data-asset="sar"]::before { background: var(--accent-sar-gradient); }
.asset-card[data-asset="bist"]::before { background: var(--accent-bist-gradient); }

.card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.asset-identity {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.asset-icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.2rem;
  color: #ffffff;
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
}

.asset-card[data-asset="ons"] .asset-icon-box {
  background: var(--accent-gold-gradient);
  box-shadow: 0 4px 15px var(--accent-gold-glow);
}
.asset-card[data-asset="usd"] .asset-icon-box {
  background: var(--accent-dollar-gradient);
  box-shadow: 0 4px 15px var(--accent-dollar-glow);
}
.asset-card[data-asset="eur"] .asset-icon-box {
  background: var(--accent-euro-gradient);
  box-shadow: 0 4px 15px var(--accent-euro-glow);
}
.asset-card[data-asset="gbp"] .asset-icon-box {
  background: var(--accent-pound-gradient);
  box-shadow: 0 4px 15px var(--accent-pound-glow);
}
.asset-card[data-asset="brent"] .asset-icon-box {
  background: var(--accent-oil-gradient);
  box-shadow: 0 4px 15px var(--accent-oil-glow);
}
.asset-card[data-asset="sar"] .asset-icon-box {
  background: var(--accent-sar-gradient);
  box-shadow: 0 4px 15px var(--accent-sar-glow);
}
.asset-card[data-asset="bist"] .asset-icon-box {
  background: var(--accent-bist-gradient);
  box-shadow: 0 4px 15px var(--accent-bist-glow);
}

.asset-title-group h2 {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  line-height: 1.2;
}

.asset-symbol-tag {
  font-size: 0.775rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
}

.change-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.825rem;
  font-weight: 700;
}

.change-pill.up {
  color: var(--gain-color);
  background: var(--gain-bg);
  border: 1px solid var(--gain-border);
}

.change-pill.down {
  color: var(--loss-color);
  background: var(--loss-bg);
  border: 1px solid var(--loss-border);
}

.change-pill.neutral {
  color: var(--neutral-color);
  background: var(--neutral-bg);
  border: 1px solid var(--border-subtle);
}

/* Card Price Section */
.price-container {
  margin-bottom: 1.25rem;
}

.main-price-row {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.main-price {
  font-size: 2.1rem;
  font-weight: 800;
  font-family: var(--font-mono);
  letter-spacing: -0.03em;
  color: var(--text-primary);
  line-height: 1.1;
  transition: color 0.3s ease;
}

.price-currency {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
}

.sub-price-info {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 0.3rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Value change flash animations */
.flash-green {
  animation: flashGreenAnim 1.2s ease;
}

.flash-red {
  animation: flashRedAnim 1.2s ease;
}

@keyframes flashGreenAnim {
  0% { color: #10b981; text-shadow: 0 0 12px rgba(16, 185, 129, 0.6); }
  100% { color: var(--text-primary); text-shadow: none; }
}

@keyframes flashRedAnim {
  0% { color: #ef4444; text-shadow: 0 0 12px rgba(239, 68, 68, 0.6); }
  100% { color: var(--text-primary); text-shadow: none; }
}

/* Sparkline SVG Chart */
.sparkline-box {
  width: 100%;
  height: 52px;
  margin-bottom: 1.25rem;
}

.sparkline-svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}

.sparkline-path {
  fill: none;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: all 0.5s ease;
}

.sparkline-fill {
  transition: all 0.5s ease;
}

/* Card Bid / Ask Spread Box */
.rates-dual-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
}

.rate-col {
  display: flex;
  flex-direction: column;
}

.rate-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  margin-bottom: 0.15rem;
}

.rate-val {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.spread-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.725rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.spread-val {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--text-secondary);
}

/* Day's Range Min-Max Bar */
.range-widget {
  margin-top: 0.5rem;
}

.range-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.7rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.range-track {
  width: 100%;
  height: 6px;
  background: var(--bg-surface-elevated);
  border-radius: var(--radius-full);
  position: relative;
  overflow: hidden;
}

.range-fill {
  position: absolute;
  top: 0;
  bottom: 0;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, #3b82f6, #10b981);
}

.range-point {
  position: absolute;
  top: -2px;
  width: 10px;
  height: 10px;
  background: #ffffff;
  border: 2px solid #3b82f6;
  border-radius: 50%;
  transform: translateX(-50%);
  box-shadow: 0 0 6px rgba(0, 0, 0, 0.4);
}

/* Card Quick Action */
.card-bottom-action {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-subtle);
}

.quick-calc-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 0.775rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

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

.card-time-tag {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* --- Interactive Multi-Asset Converter & Tools Grid --- */
.dashboard-extra-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

@media (max-width: 900px) {
  .dashboard-extra-grid {
    grid-template-columns: 1fr;
  }
}

.interactive-panel {
  background: var(--bg-glass-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-md);
}

.converter-wrapper {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.converter-row {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 0.75rem;
  align-items: center;
}

.input-group {
  position: relative;
  display: flex;
  align-items: center;
}

.calc-input {
  width: 100%;
  height: 48px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0 1rem;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  outline: none;
  transition: border-color var(--transition-fast);
}

.calc-input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.calc-select {
  height: 48px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0 1rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  outline: none;
  cursor: pointer;
  transition: border-color var(--transition-fast);
}

.calc-select:focus {
  border-color: var(--border-focus);
}

.converter-swap {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: -0.3rem 0;
}

.swap-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.swap-btn:hover {
  background: var(--border-focus);
  color: #ffffff;
  transform: rotate(180deg);
}

.conversion-result-card {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.12) 0%, rgba(16, 185, 129, 0.12) 100%);
  border: 1px solid rgba(59, 130, 246, 0.25);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.calc-result-title {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
}

.calc-result-number {
  font-size: 1.8rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--text-primary);
  line-height: 1.2;
}

.calc-result-formula {
  font-size: 0.775rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

/* Complementary Asset List in 2nd panel */
.complementary-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.comp-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1rem;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: transform var(--transition-fast);
}

.comp-item:hover {
  transform: translateX(4px);
  border-color: rgba(255, 255, 255, 0.15);
}

.comp-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.comp-icon {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
}

.comp-names h3 {
  font-size: 0.9rem;
  font-weight: 700;
}

.comp-names span {
  font-size: 0.725rem;
  color: var(--text-muted);
}

.comp-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.comp-price {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.comp-change {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
}

/* --- Detailed Financial Table --- */
.table-panel {
  background: var(--bg-glass-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-md);
  margin-bottom: 2.5rem;
  overflow: hidden;
}

.table-filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  gap: 1rem;
  flex-wrap: wrap;
}

.table-search-input {
  height: 40px;
  padding: 0 1rem;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  outline: none;
  min-width: 240px;
  transition: border-color var(--transition-fast);
}

.table-search-input:focus {
  border-color: var(--border-focus);
}

.table-actions {
  display: flex;
  gap: 0.5rem;
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
}

.market-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.market-table th {
  padding: 0.9rem 1rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-surface-elevated);
}

.market-table td {
  padding: 1rem;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-primary);
  vertical-align: middle;
}

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

.market-table .mono {
  font-family: var(--font-mono);
}

.td-asset {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.td-badge {
  font-size: 0.725rem;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-weight: 600;
  text-transform: uppercase;
}

/* --- Open Source Transparency Section --- */
.transparency-section {
  background: var(--bg-glass-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-bottom: 2.5rem;
}

.source-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-top: 1.25rem;
}

.source-card {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0.75rem;
}

.source-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.725rem;
  font-weight: 700;
  color: var(--gain-color);
  background: var(--gain-bg);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-full);
  align-self: flex-start;
}

.source-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.source-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.source-link {
  font-size: 0.775rem;
  font-weight: 600;
  color: var(--accent-euro);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.source-link:hover {
  text-decoration: underline;
}

/* --- Footer --- */
.app-footer {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.25rem;
  color: var(--text-muted);
  font-size: 0.825rem;
}

.footer-left {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.footer-disclaimer {
  font-size: 0.75rem;
  color: var(--text-muted);
  max-width: 600px;
}

.footer-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Toast Notification */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  background: var(--bg-surface-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border-focus);
  border-radius: var(--radius-md);
  padding: 0.75rem 1.25rem;
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  animation: toastIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateY(20px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* --- Responsive Media Queries --- */
@media (max-width: 1024px) {
  .asset-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .app-container {
    padding: 1rem 1rem 3rem 1rem;
  }
  .header-glass {
    flex-direction: column;
    align-items: stretch;
    gap: 1.25rem;
    padding: 1.25rem;
  }
  .brand-wrapper {
    justify-content: space-between;
    flex-wrap: wrap;
  }
  .brand-main-logo {
    height: 48px;
    max-width: 230px;
  }
  .header-controls {
    justify-content: space-between;
  }
  .asset-grid {
    grid-template-columns: 1fr;
  }
  .main-price {
    font-size: 1.8rem;
  }
  .converter-row {
    grid-template-columns: 1fr;
  }
}