/* Custom styles converted from Next.js CSS */
:root {
  --bg-color: #0b0c10;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: rgba(255, 255, 255, 0.4);
  --accent-color: #6366f1;
  --accent-color-hover: rgba(99, 102, 241, 0.5);
  --accent-color-focus: rgba(99, 102, 241, 0.2);

  --panel-bg: rgba(20, 20, 25, 0.7);
  --panel-border: rgba(255, 255, 255, 0.08);
  --panel-hover: rgba(255, 255, 255, 0.02);
  --table-header-bg: rgba(255, 255, 255, 0.02);
  --table-border: rgba(255, 255, 255, 0.1);
  --table-row-border: rgba(255, 255, 255, 0.05);

  --title-gradient-start: #f8fafc;
  --title-gradient-end: #94a3b8;

  --input-bg: rgba(20, 20, 25, 0.7);
  --input-border: rgba(255, 255, 255, 0.1);
  --input-text: #f8fafc;
}

[data-theme='light'] {
  --bg-color: #f1f5f9;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: rgba(0, 0, 0, 0.5);
  --accent-color: #6366f1;
  --accent-color-hover: rgba(99, 102, 241, 0.3);
  --accent-color-focus: rgba(99, 102, 241, 0.1);

  --panel-bg: rgba(255, 255, 255, 0.8);
  --panel-border: rgba(0, 0, 0, 0.05);
  --panel-hover: rgba(0, 0, 0, 0.02);
  --table-header-bg: rgba(0, 0, 0, 0.02);
  --table-border: rgba(0, 0, 0, 0.08);
  --table-row-border: rgba(0, 0, 0, 0.04);

  --title-gradient-start: #1e293b;
  --title-gradient-end: #64748b;

  --input-bg: rgba(255, 255, 255, 0.8);
  --input-border: rgba(0, 0, 0, 0.1);
  --input-text: #0f172a;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Outfit', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color 0.3s ease, color 0.3s ease;
  background-image:
    radial-gradient(circle at 15% 50%, rgba(99, 102, 241, 0.08), transparent 25%),
    radial-gradient(circle at 85% 30%, rgba(168, 85, 247, 0.08), transparent 25%);
}

@keyframes flash-up {
  0%   { color: var(--text-primary); }
  50%  { color: #4ade80; }
  100% { color: var(--text-primary); }
}

@keyframes flash-down {
  0%   { color: var(--text-primary); }
  50%  { color: #f87171; }
  100% { color: var(--text-primary); }
}

.animate-flash-up { animation: flash-up 0.5s ease-out; }
.animate-flash-down { animation: flash-down 0.5s ease-out; }

@keyframes pulse { 50% { opacity: .5; } }
.animate-pulse { animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite; }

/* Layout & semantic classes replacing Tailwind */
.dashboard-main { max-width: 1600px; margin: 0 auto; padding: 2.5rem 1.5rem; width: 100%; flex: 1; }

.header-section { margin-bottom: 3rem; text-align: center; }
.header-title { 
  font-size: 3rem; 
  font-weight: 700; 
  margin-bottom: 0.75rem; 
  background: linear-gradient(135deg, var(--title-gradient-start) 0%, var(--title-gradient-end) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.header-subtitle { color: var(--text-secondary); font-size: 1.125rem; font-weight: 400; }

.top-controls { display: flex; flex-direction: column; justify-content: space-between; gap: 1.5rem; margin-bottom: 1.5rem; }
@media (min-width: 1280px) {
  .top-controls { flex-direction: row; align-items: flex-end; }
}

.stats-grid { display: grid; grid-template-columns: 1fr; gap: 1.5rem; flex: 1; }
@media (min-width: 768px) {
  .stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

.stat-card { 
  display: flex; justify-content: space-between; align-items: center; 
  padding: 1.5rem; gap: 2rem; border-radius: 1rem; 
  box-shadow: 0 4px 16px rgba(0,0,0,0.1); 
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.stat-info { flex: 1; display: flex; flex-direction: column; gap: 0.5rem; }
.stat-value { font-size: 1.75rem; font-weight: 700; color: var(--text-primary); }
.stat-label { font-size: 0.875rem; font-weight: 500; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.05em; }
.stat-chart-wrap { flex: 1; display: flex; align-items: stretch; }
.stat-chart { flex: 1; height: 5rem; border-radius: 0.75rem; display: flex; align-items: center; justify-content: center; overflow: hidden; position: relative; background-color: transparent; }
.stat-placeholder { color: var(--text-muted); font-size: 0.9rem; font-weight: 500; }

.action-controls { display: flex; flex-wrap: wrap; justify-content: flex-end; align-items: center; gap: 1rem; flex-shrink: 0; }
.latency-display { color: var(--text-secondary); font-size: 0.875rem; font-weight: 500; display: flex; align-items: center; }
.status-dot { display: inline-flex; width: 0.5rem; height: 0.5rem; border-radius: 50%; margin-right: 0.5rem; }
.status-dot.ok { background-color: #10b981; }
.status-dot.offline { background-color: #ef4444; }

.glass-input-base {
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  color: var(--input-text);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: 0.75rem;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  transition: all 200ms cubic-bezier(0.4, 0, 0.2, 1);
}
.glass-input-base:hover, .glass-input-base:focus {
  border-color: var(--accent-color-hover);
  box-shadow: 0 0 0 2px var(--accent-color-focus), 0 4px 12px rgba(0,0,0,0.2);
}

.btn-action { height: 2.75rem; display: flex; align-items: center; justify-content: center; cursor: pointer; padding: 0 1rem; font-size: 0.95rem; font-weight: 600; color: var(--text-secondary); }
.btn-action.active { color: #fbbf24; }
.btn-icon { width: 2.75rem; padding: 0; font-size: 1.25rem; }
.search-input { width: 100%; padding: 0.75rem 1.25rem; font-size: 1rem; outline: none; }
@media (min-width: 640px) { .search-input { max-width: 300px; } }

.table-wrapper { 
  border-radius: 1rem; box-shadow: 0 8px 32px 0 rgba(0,0,0,0.3); overflow-x: auto; width: 100%; 
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.data-table { width: 100%; border-collapse: collapse; }
.th-base {
  text-align: left; padding: 1rem 1.5rem; color: var(--text-secondary); font-weight: 500; font-size: 0.825rem; letter-spacing: 0.05em; border-bottom: 1px solid var(--table-border); background-color: var(--table-header-bg); white-space: nowrap;
}
.th-base.text-right { text-align: right; }
.th-sortable { cursor: pointer; user-select: none; }
.th-narrow { width: 1%; padding-left: 0.25rem !important; padding-right: 0.25rem !important; text-align: center; }
.th-min-w { min-width: 140px; }

.loading-state { text-align: center; padding: 4rem 1.5rem; color: var(--text-secondary); font-size: 1.125rem; border: 1px dashed var(--table-border); border-radius: 1rem; }

.row-coin { transition: all 300ms cubic-bezier(0.25, 0.8, 0.25, 1); border-bottom: 1px solid var(--table-row-border); }
.row-coin:last-child { border-bottom: none; }
.row-coin:hover { background-color: var(--panel-hover); }

.table-cell-base { padding: 1rem 1.5rem; vertical-align: middle; }
.cell-center { text-align: center; width: 1%; padding-left: 0.25rem !important; padding-right: 0.25rem !important; white-space: nowrap; }
.cell-right { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
.cell-index-text { color: var(--text-secondary); font-weight: 500; font-size: 0.9rem; }
.btn-fav { background: transparent; border: none; cursor: pointer; font-size: 1.2rem; color: var(--text-muted); }
.btn-fav.active { color: #f59e0b; }

.coin-profile { display: flex; align-items: center; gap: 0.75rem; }
.coin-icon-wrapper { width: 2rem; height: 2rem; border-radius: 50%; display: flex; align-items: center; justify-content: center; overflow: hidden; background-color: transparent; }
.coin-icon-img { width: 100%; height: 100%; object-fit: cover; }
.coin-icon-fallback { width: 100%; height: 100%; background-image: linear-gradient(to bottom right, #6366f1, #a855f7); box-shadow: 0 4px 12px rgba(99,102,241,0.3); display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 700; font-size: 0.875rem; }
.coin-names { display: flex; align-items: baseline; gap: 0.5rem; }
.coin-name-text { font-size: 1.05rem; font-weight: 600; color: var(--text-primary); letter-spacing: 0.05em; white-space: nowrap; }
.coin-symbol-text { font-size: 0.825rem; color: var(--text-muted); font-weight: 500; text-transform: uppercase; }

.price-text { font-size: 1.1rem; font-weight: 700; color: var(--text-primary); letter-spacing: -0.02em; padding-left: 2.5rem; font-variant-numeric: tabular-nums; text-align: right; }
.price-format { display: inline-flex; align-items: baseline; justify-content: flex-end; }
.price-zeroes { font-size: 0.75em; font-weight: 700; margin: 0 1px; transform: translateY(2px); opacity: 0.8; }
.price-skeleton { height: 1.25rem; width: 6rem; background-color: var(--table-border); opacity: 0.5; border-radius: 0.25rem; margin-left: auto; animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite; }

.pct-text { font-size: 0.95rem; font-weight: 500; font-variant-numeric: tabular-nums; white-space: nowrap; text-align: right; }
.color-pos { color: #4ade80; }
.color-neg { color: #f87171; }
.pct-arrow { display: inline-block; transform: translateY(-2px); font-size: 0.85em; }

.vol-text { font-size: 1.1rem; font-weight: 700; color: var(--text-primary); letter-spacing: -0.02em; font-variant-numeric: tabular-nums; white-space: nowrap; text-align: right; }
.mcap-text { font-size: 1.1rem; font-weight: 700; color: var(--text-primary); letter-spacing: -0.02em; padding-left: 60px; font-variant-numeric: tabular-nums; white-space: nowrap; text-align: right; }
.spark-wrap { width: 120px; height: 40px; }