:root {
  --bg-0: #08090c;
  --bg-1: #0d0f14;
  --bg-2: #12151b;
  --bg-3: #191d26;
  --border: #232833;
  --ice: #5ec8f2;
  --ice-dim: #2f6d87;
  --text-0: #e6ebf2;
  --text-1: #9aa5b3;
  --text-2: #5c6474;
  --up: #26d99a;
  --down: #ef5350;
  --warn: #f2b84e;
  --font-mono: ui-monospace, "SFMono-Regular", "Consolas", "Menlo", "Courier New", monospace;
  --font-ui: -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
  margin: 0;
  padding: 0;
  background: var(--bg-0);
  color: var(--text-0);
  font-family: var(--font-ui);
  font-size: 13px;
  overflow: hidden;
}

.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.hidden {
  display: none !important;
}

.app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  width: 100vw;
}

/* Error banner */
.error-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: #3a1418;
  color: #ffb3b8;
  border-bottom: 1px solid var(--down);
  padding: 8px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
}

/* Topbar */
.topbar {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 44px;
  min-height: 44px;
  padding: 0 16px;
  background: var(--bg-1);
  border-bottom: 1px solid var(--border);
}

.brand {
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--text-0);
  font-size: 13px;
}

.brand-accent {
  color: var(--ice);
}

.active-market {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--font-mono);
}

#active-symbol {
  font-weight: 700;
  color: var(--text-0);
}

#active-price {
  color: var(--text-0);
}

#active-change.up {
  color: var(--up);
}

#active-change.down {
  color: var(--down);
}

.chips {
  display: flex;
  gap: 16px;
  margin-left: auto;
}

.chip {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  line-height: 1.3;
}

.chip-label {
  font-size: 10px;
  color: var(--text-2);
  letter-spacing: 0.5px;
}

.chip-value {
  font-size: 12px;
  color: var(--ice);
}

.chip-value.up {
  color: var(--up);
}

.chip-value.down {
  color: var(--down);
}

/* Body layout */
.body {
  display: flex;
  flex: 1;
  min-height: 0;
}

/* Sidebar */
.sidebar {
  width: 220px;
  min-width: 220px;
  background: var(--bg-1);
  border-right: 1px solid var(--border);
  overflow-y: auto;
}

.sidebar-header {
  padding: 10px 12px;
  font-size: 10px;
  letter-spacing: 1px;
  color: var(--text-2);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--bg-1);
}

.coin-rows .placeholder {
  padding: 12px;
  color: var(--text-2);
  font-family: var(--font-mono);
  font-size: 12px;
}

.coin-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  cursor: pointer;
  border-bottom: 1px solid var(--bg-2);
}

.coin-row:hover {
  background: var(--bg-2);
}

.coin-row.active {
  background: var(--bg-3);
  border-left: 2px solid var(--ice);
}

.coin-row-symbol {
  font-weight: 600;
  color: var(--text-0);
  font-size: 12px;
}

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

.coin-row-price {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-0);
}

.coin-row-change {
  font-family: var(--font-mono);
  font-size: 11px;
}

.coin-row-change.up {
  color: var(--up);
}

.coin-row-change.down {
  color: var(--down);
}

/* Main */
.main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.interval-bar {
  display: flex;
  gap: 4px;
  padding: 6px 10px;
  background: var(--bg-1);
  border-bottom: 1px solid var(--border);
}

.interval-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-1);
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 4px 10px;
  cursor: pointer;
  border-radius: 2px;
}

.interval-btn:hover {
  border-color: var(--ice-dim);
  color: var(--text-0);
}

.interval-btn.active {
  background: var(--ice-dim);
  border-color: var(--ice);
  color: var(--text-0);
}

.chart-container {
  flex: 1;
  min-height: 0;
  background: var(--bg-0);
}

.bottom-panel {
  height: 180px;
  min-height: 180px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  background: var(--bg-1);
}

.tabs {
  display: flex;
  gap: 2px;
  padding: 4px 10px;
  border-bottom: 1px solid var(--border);
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--text-1);
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 5px 12px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
}

.tab-btn:hover {
  color: var(--text-0);
}

.tab-btn.active {
  color: var(--ice);
  border-bottom-color: var(--ice);
}

.bottom-chart-container {
  flex: 1;
  min-height: 0;
  position: relative;
}

.bottom-chart-mount {
  position: absolute;
  inset: 0;
}

.bottom-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-2);
  font-family: var(--font-mono);
  font-size: 12px;
  pointer-events: none;
  z-index: 1;
}

/* Right panel */
.right-panel {
  width: 260px;
  min-width: 260px;
  background: var(--bg-1);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.side-panel {
  border-bottom: 1px solid var(--border);
}

.side-panel-header {
  padding: 10px 12px;
  font-size: 10px;
  letter-spacing: 1px;
  color: var(--text-2);
}

.side-panel-body {
  padding: 0 12px 16px;
  color: var(--text-2);
  font-family: var(--font-mono);
  font-size: 12px;
}

/* Scrollbars */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-1);
}

::-webkit-scrollbar-thumb {
  background: var(--bg-3);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--ice-dim);
}

/* --- wave 2: TA + ticket panels --- */
.panel-btn {
  background: #10151d;
  border: 1px solid #263243;
  color: #5ec8f2;
  font: inherit;
  padding: 2px 10px;
  cursor: pointer;
  border-radius: 3px;
}
.panel-btn:hover { border-color: #5ec8f2; }
.ta-line { padding: 2px 0; border-bottom: 1px solid #131a24; font-size: 12px; }
.ticket-form { display: flex; flex-direction: column; gap: 6px; }
.ticket-form label { display: flex; justify-content: space-between; align-items: center; gap: 8px; font-size: 12px; color: #8b98a9; }
.ticket-form input {
  background: #0b0f14;
  border: 1px solid #263243;
  color: #e6edf3;
  font: inherit;
  width: 110px;
  padding: 3px 6px;
  border-radius: 3px;
}
.ticket-row { display: flex; gap: 6px; }
.side-btn { flex: 1; color: #8b98a9; }
.side-btn.active[data-side="long"] { color: #26d99a; border-color: #26d99a; }
.side-btn.active[data-side="short"] { color: #ef5350; border-color: #ef5350; }
.submit-btn { margin-top: 4px; color: #e6edf3; }
.ticket-out { white-space: pre-wrap; font-size: 11px; color: #8b98a9; margin-top: 8px; }

/* --- wave 3: perps FA, NFT surface, owner handoff --- */
.surface-nav { display: flex; gap: 4px; }
.surface-btn {
  background: transparent; border: 1px solid var(--border); color: var(--text-2);
  font: 700 10px var(--font-mono); letter-spacing: .8px; padding: 5px 9px; cursor: pointer;
}
.surface-btn.active { color: var(--ice); border-color: var(--ice-dim); background: #101820; }
.side-panel-header { display: flex; align-items: center; justify-content: space-between; }
.fa-headline { font-weight: 700; padding: 7px; margin-bottom: 7px; border: 1px solid var(--border); }
.fa-headline.bullish { color: var(--up); border-color: color-mix(in srgb, var(--up), transparent 55%); }
.fa-headline.bearish { color: var(--down); border-color: color-mix(in srgb, var(--down), transparent 55%); }
.fa-headline.neutral { color: var(--warn); }
.fa-missing { color: var(--warn); margin-top: 8px; font-size: 10px; }
.nft-surface { flex: 1; min-width: 0; overflow-y: auto; background: radial-gradient(circle at 80% 0%, #10212c 0, var(--bg-0) 42%); }
.nft-hero { display: flex; align-items: end; justify-content: space-between; gap: 30px; padding: 44px; border-bottom: 1px solid var(--border); }
.nft-hero h1 { font-size: clamp(28px, 4vw, 58px); margin: 5px 0; font-weight: 500; }
.nft-hero p { color: var(--text-1); max-width: 620px; }
.eyebrow { color: var(--ice); font: 10px var(--font-mono); letter-spacing: 1.5px; }
.nft-form { display: grid; grid-template-columns: 140px 140px minmax(240px, 1fr) auto; gap: 8px; width: min(720px, 58vw); }
.nft-form input, .nft-form select {
  background: var(--bg-1); color: var(--text-0); border: 1px solid var(--border); padding: 9px; font: 12px var(--font-mono);
}
.nft-content { padding: 28px 44px; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; color: var(--text-1); }
.nft-card { min-height: 120px; padding: 18px; background: rgba(13,15,20,.85); border: 1px solid var(--border); display: flex; flex-direction: column; gap: 15px; }
.nft-card span { color: var(--text-2); font: 10px var(--font-mono); text-transform: uppercase; }
.nft-card strong { color: var(--text-0); font: 22px var(--font-mono); overflow-wrap: anywhere; }
.nft-listing { margin: 0; padding: 14px; overflow: auto; color: var(--text-1); background: var(--bg-1); border: 1px solid var(--border); font-size: 10px; }
@media (max-width: 900px) {
  .nft-hero { align-items: stretch; flex-direction: column; padding: 24px; }
  .nft-form { width: 100%; grid-template-columns: 1fr 1fr; }
  .nft-content { padding: 20px 24px; }
}