:root {
  color-scheme: dark;
  --bg: #0d0f12;
  --panel: #141923;
  --panel-2: #0f131b;
  --panel-border: #222a3a;
  --text: #f3f1e8;
  --muted: #a5adba;
  --accent: #f4b860;
  --accent-2: #7bdff2;
  --buy: #4ad39b;
  --sell: #ff6b6b;
  --glow: rgba(244, 184, 96, 0.2);
  --shadow: 0 18px 40px rgba(4, 7, 15, 0.45);
  --font-display: "Space Grotesk", "Sora", "Futura", "Avenir Next", "Helvetica Neue", sans-serif;
  --font-mono: "IBM Plex Mono", "JetBrains Mono", "Fira Code", "SF Mono", "Menlo", monospace;
}

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

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

.bg-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 42px 42px;
  opacity: 0.35;
  pointer-events: none;
  z-index: 0;
}

.bg-glow {
  position: fixed;
  inset: -20% 10% auto 10%;
  height: 55vh;
  background: radial-gradient(circle at top, rgba(244, 184, 96, 0.45), transparent 60%),
    radial-gradient(circle at 20% 20%, rgba(123, 223, 242, 0.25), transparent 55%);
  filter: blur(20px);
  pointer-events: none;
  z-index: 0;
}

.app {
  position: relative;
  z-index: 1;
  padding: 28px clamp(16px, 3vw, 32px) 56px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: linear-gradient(135deg, #f4b860, #ff8f5f);
  color: #10121a;
  font-weight: 700;
  display: grid;
  place-items: center;
  letter-spacing: 1px;
  box-shadow: 0 8px 24px rgba(244, 184, 96, 0.4);
}

.brand-title {
  font-size: 1.4rem;
  font-weight: 700;
}

.brand-sub {
  color: var(--muted);
  font-size: 0.9rem;
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.pill {
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(74, 211, 155, 0.12);
  color: var(--buy);
  font-weight: 600;
  font-size: 0.85rem;
  border: 1px solid rgba(74, 211, 155, 0.3);
}

.pair-tag {
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(244, 184, 96, 0.12);
  color: var(--accent);
  font-weight: 600;
  font-size: 0.85rem;
  border: 1px solid rgba(244, 184, 96, 0.3);
}

.btn {
  padding: 10px 16px;
  border-radius: 12px;
  border: 1px solid var(--panel-border);
  background: var(--panel-2);
  color: var(--text);
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, border 0.2s ease, background 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
  border-color: rgba(244, 184, 96, 0.6);
}

.btn.ghost {
  background: transparent;
}

.btn.solid {
  background: linear-gradient(135deg, rgba(244, 184, 96, 0.9), rgba(255, 143, 95, 0.9));
  color: #10121a;
  border: none;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.stats-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 14px;
}

.stat {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  padding: 14px 16px;
  box-shadow: var(--shadow);
}

.stat .label {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  margin-bottom: 6px;
}

.stat .value {
  font-family: var(--font-mono);
  font-size: 1rem;
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.4fr) minmax(0, 0.8fr);
  gap: 18px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 18px;
  padding: 18px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.panel-header {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.panel-header.split {
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.panel-header h2 {
  margin: 0;
  font-size: 1.2rem;
}

.panel-sub {
  color: var(--muted);
  font-size: 0.85rem;
}

.empty-banner {
  padding: 10px 14px;
  border-radius: 12px;
  background: rgba(244, 184, 96, 0.12);
  border: 1px solid rgba(244, 184, 96, 0.3);
  color: var(--accent);
  font-size: 0.85rem;
}

.chart-wrap {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

#sparkline {
  width: 100%;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(21, 27, 39, 0.7), rgba(13, 15, 18, 0.7));
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.chart-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
}

.meta-label {
  color: var(--muted);
  font-size: 0.75rem;
  margin-bottom: 4px;
}

.meta-value {
  font-family: var(--font-mono);
  font-size: 1rem;
}

.book-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.depth-toggle {
  display: inline-flex;
  gap: 6px;
  padding: 4px;
  border-radius: 999px;
  background: var(--panel-2);
  border: 1px solid var(--panel-border);
}

.chip {
  border: none;
  background: transparent;
  color: var(--muted);
  padding: 6px 10px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.75rem;
  font-weight: 600;
}

.chip.active {
  color: var(--text);
  background: rgba(244, 184, 96, 0.2);
}

.field-inline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--muted);
}

.field-inline input {
  width: 70px;
  padding: 6px 8px;
  border-radius: 10px;
  border: 1px solid var(--panel-border);
  background: var(--panel-2);
  color: var(--text);
  font-family: var(--font-mono);
}

.book-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 120px minmax(0, 1fr);
  gap: 14px;
}

.book-column {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.book-cols {
  display: grid;
  grid-template-columns: 1.1fr 1fr 1fr;
  gap: 8px;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--muted);
  padding: 0 8px;
}

.book-head {
  padding: 8px 12px;
  border-radius: 12px;
  font-weight: 600;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  font-size: 0.75rem;
}

.book-head.buy {
  background: rgba(74, 211, 155, 0.15);
  color: var(--buy);
  border: 1px solid rgba(74, 211, 155, 0.4);
}

.book-head.sell {
  background: rgba(255, 107, 107, 0.15);
  color: var(--sell);
  border: 1px solid rgba(255, 107, 107, 0.4);
}

.book-rows {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 280px;
}

.book-row {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 1fr 1fr;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 12px;
  font-family: var(--font-mono);
  font-size: 0.83rem;
  background: rgba(9, 12, 18, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.04);
  overflow: hidden;
}

.book-row .bar {
  position: absolute;
  inset: 0;
  opacity: 0.15;
}

.book-row.buy .bar {
  background: linear-gradient(90deg, transparent, rgba(74, 211, 155, 0.6));
  left: auto;
  right: 0;
}

.book-row.sell .bar {
  background: linear-gradient(90deg, rgba(255, 107, 107, 0.6), transparent);
  left: 0;
  right: auto;
}

.book-row span {
  position: relative;
  z-index: 1;
}

.book-row.best {
  border-color: rgba(244, 184, 96, 0.5);
}

.spread {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--panel-2);
  border: 1px dashed rgba(244, 184, 96, 0.4);
  border-radius: 16px;
  padding: 12px;
  text-align: center;
}

.spread-label {
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 1px;
  color: var(--muted);
}

.spread-value {
  font-family: var(--font-mono);
  font-size: 1rem;
}

.spread-sub {
  color: var(--muted);
  font-size: 0.75rem;
}

.segmented {
  display: inline-flex;
  border-radius: 999px;
  padding: 4px;
  background: var(--panel-2);
  border: 1px solid var(--panel-border);
}

.seg {
  border: none;
  background: transparent;
  color: var(--muted);
  padding: 6px 16px;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 600;
}

.seg.active {
  background: linear-gradient(135deg, rgba(74, 211, 155, 0.2), rgba(244, 184, 96, 0.2));
  color: var(--text);
}

.ticket-body {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--muted);
}

.field input {
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--panel-border);
  background: var(--panel-2);
  color: var(--text);
  font-family: var(--font-mono);
}

.ticket-preview {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  background: rgba(244, 184, 96, 0.08);
  border: 1px solid rgba(244, 184, 96, 0.2);
  border-radius: 14px;
  padding: 12px;
}

.ticket-actions {
  display: flex;
  gap: 10px;
}

.wallet-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.ticket-foot {
  font-size: 0.8rem;
  color: var(--muted);
}

.bottom-panel {
  padding-top: 10px;
}

.bottom-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
}

.panel-section h3 {
  margin: 0 0 12px;
  font-size: 1rem;
}

.table {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.table-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 12px;
  background: rgba(9, 12, 18, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.04);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.table-row.orders {
  grid-template-columns: 0.6fr 0.8fr 1.4fr 1fr 0.8fr;
}

.btn.mini {
  padding: 6px 10px;
  border-radius: 10px;
  font-size: 0.75rem;
}

.pulse {
  animation: pulseGlow 0.9s ease-out;
}

@keyframes pulseGlow {
  0% {
    box-shadow: 0 0 0 rgba(244, 184, 96, 0);
  }
  30% {
    box-shadow: 0 0 18px rgba(244, 184, 96, 0.5);
  }
  100% {
    box-shadow: 0 0 0 rgba(244, 184, 96, 0);
  }
}

.table-row .tag {
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 0.6px;
}

.tag.buy {
  color: var(--buy);
}

.tag.sell {
  color: var(--sell);
}

.ticker {
  font-size: 0.8rem;
  color: var(--muted);
}

@media (max-width: 1100px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .book-grid {
    grid-template-columns: 1fr;
  }

  .spread {
    order: -1;
  }
}

@media (max-width: 700px) {
  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .panel-header.split {
    flex-direction: column;
    align-items: flex-start;
  }
}