/* ============================================
   NEXTRADE — DARK TERMINAL TRADING PLATFORM
   Volcanic Glass Palette + Space Mono + Outfit
   ============================================ */

:root {
  --bg-base:       #080B0F;
  --bg-surface:    #0E1318;
  --bg-elevated:   #141B22;
  --bg-hover:      #1C2530;
  --border:        #1E2A35;
  --border-bright: #2A3A4A;

  --text-primary:  #E8EDF2;
  --text-secondary:#7A8FA0;
  --text-muted:    #3D5060;

  --accent:        #FF6B2B;
  --accent-dim:    rgba(255,107,43,0.15);
  --accent-glow:   rgba(255,107,43,0.4);

  --green:         #00D4AA;
  --green-dim:     rgba(0,212,170,0.12);
  --red:           #FF3B5C;
  --red-dim:       rgba(255,59,92,0.12);

  --purple:        #7B68EE;
  --gold:          #FFD700;

  --font-ui:       'Outfit', sans-serif;
  --font-mono:     'Space Mono', monospace;

  --radius-sm:     4px;
  --radius-md:     8px;
  --radius-lg:     12px;

  --ticker-h:      32px;
  --nav-h:         52px;
  --status-h:      28px;
}

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

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

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: var(--bg-surface); }
::-webkit-scrollbar-thumb { background: var(--border-bright); border-radius: 2px; }

/* ══════════════════════════════════════
   TICKER TAPE
══════════════════════════════════════ */
.ticker-wrap {
  height: var(--ticker-h);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  position: relative;
  z-index: 100;
}

.ticker-tape {
  display: flex;
  align-items: center;
  height: 100%;
  white-space: nowrap;
  animation: tickerScroll 60s linear infinite;
  font-family: var(--font-mono);
  font-size: 11px;
  gap: 0;
}

.ticker-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0 20px;
  border-right: 1px solid var(--border);
  height: 100%;
}

.ticker-sym { color: var(--text-secondary); font-weight: 700; letter-spacing: 0.05em; }
.ticker-price { color: var(--text-primary); }
.ticker-chg.up { color: var(--green); }
.ticker-chg.dn { color: var(--red); }

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

/* ══════════════════════════════════════
   TOP NAV
══════════════════════════════════════ */
.topnav {
  height: var(--nav-h);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  position: relative;
  z-index: 90;
}

.nav-left, .nav-right { display: flex; align-items: center; gap: 24px; }

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  text-decoration: none;
}
.logo-icon { color: var(--accent); font-size: 20px; }
.logo-accent { color: var(--accent); }

.nav-links { display: flex; gap: 4px; }
.nav-link {
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  transition: all 0.15s;
}
.nav-link:hover { color: var(--text-primary); background: var(--bg-hover); }
.nav-link.active { color: var(--accent); background: var(--accent-dim); }

.market-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--green);
}

.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--green);
}
.status-dot.pulse {
  animation: pulse 2s ease-in-out infinite;
}
.status-dot.green { background: var(--green); }

@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(0,212,170,0.4); }
  50%       { opacity: 0.7; box-shadow: 0 0 0 5px rgba(0,212,170,0); }
}

.nav-time {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 7px 18px;
  border-radius: var(--radius-sm);
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  letter-spacing: 0.02em;
}
.btn-primary:hover {
  background: #ff8050;
  box-shadow: 0 0 16px var(--accent-glow);
}

/* ══════════════════════════════════════
   APP LAYOUT
══════════════════════════════════════ */
.app-layout {
  display: grid;
  grid-template-columns: 200px 1fr 240px;
  height: calc(100vh - var(--ticker-h) - var(--nav-h) - var(--status-h));
  overflow: hidden;
}

/* ══════════════════════════════════════
   SIDEBARS
══════════════════════════════════════ */
.sidebar-left, .sidebar-right {
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  padding: 12px 0;
}
.sidebar-right {
  border-right: none;
  border-left: 1px solid var(--border);
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 14px 8px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.icon-btn {
  background: none;
  border: 1px solid var(--border-bright);
  color: var(--text-secondary);
  width: 20px; height: 20px;
  border-radius: 3px;
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.15s;
}
.icon-btn:hover { border-color: var(--accent); color: var(--accent); }

/* WATCHLIST */
.watchlist { padding: 0 8px; }
.watch-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.12s;
  border-left: 2px solid transparent;
}
.watch-item:hover { background: var(--bg-hover); }
.watch-item.active {
  background: var(--bg-elevated);
  border-left-color: var(--accent);
}
.watch-sym {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.03em;
}
.watch-flag { font-size: 13px; margin-right: 6px; }
.watch-right { text-align: right; }
.watch-price {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-primary);
}
.watch-chg {
  font-family: var(--font-mono);
  font-size: 10px;
  margin-top: 1px;
}
.watch-chg.up { color: var(--green); }
.watch-chg.dn { color: var(--red); }

/* TIMEFRAME GRID */
.tf-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
  padding: 0 10px;
}
.tf-btn {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 5px 0;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 10px;
  cursor: pointer;
  transition: all 0.12s;
  text-align: center;
}
.tf-btn:hover { border-color: var(--accent); color: var(--accent); }
.tf-btn.active {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
  font-weight: 700;
}

/* INDICATORS */
.indicator-list { padding: 0 10px; display: flex; flex-direction: column; gap: 4px; }
.indicator-item {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background 0.12s;
}
.indicator-item:hover { background: var(--bg-hover); }
.indicator-item.active-ind { color: var(--text-primary); }
.ind-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.ind-toggle {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}
.ind-toggle.on { color: var(--green); }

/* ══════════════════════════════════════
   MAIN CHART AREA
══════════════════════════════════════ */
.chart-area {
  display: flex;
  flex-direction: column;
  background: var(--bg-base);
  overflow: hidden;
}

/* SYMBOL HEADER */
.symbol-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.symbol-info { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.symbol-flag { font-size: 22px; }
.symbol-name {
  font-family: var(--font-ui);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}
.symbol-sub {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  margin-top: 2px;
}

.price-block { margin-left: 8px; }
.price-main {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.02em;
  line-height: 1;
}
.price-change {
  font-family: var(--font-mono);
  font-size: 11px;
  margin-top: 3px;
}
.price-change.positive { color: var(--green); }
.price-change.negative { color: var(--red); }

.ohlc-row {
  display: flex;
  gap: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
}
.ohlc-item span { color: var(--text-primary); }
.ohlc-item .positive { color: var(--green); }
.ohlc-item .negative { color: var(--red); }

.chart-tools { display: flex; align-items: center; gap: 4px; }
.tool-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  width: 30px; height: 30px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.12s;
}
.tool-btn:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-dim); }
.tool-btn.active { border-color: var(--accent); color: var(--accent); background: var(--accent-dim); }
.tool-sep { width: 1px; height: 20px; background: var(--border); margin: 0 4px; }

/* CANVAS WRAP */
.canvas-wrap {
  flex: 1;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

#chartCanvas {
  width: 100%;
  flex: 1;
  display: block;
  cursor: crosshair;
}

#volumeCanvas {
  width: 100%;
  height: 70px;
  display: block;
  border-top: 1px solid var(--border);
}

.chart-overlay {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 70px;
  pointer-events: none;
}

.crosshair-info {
  position: absolute;
  background: var(--bg-elevated);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-primary);
  pointer-events: none;
  white-space: nowrap;
  z-index: 10;
}

/* BOTTOM PANELS */
.bottom-panels {
  display: grid;
  grid-template-columns: 1fr 1fr 300px;
  height: 160px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.panel {
  border-right: 1px solid var(--border);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.panel:last-child { border-right: none; }

.panel-header {
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

/* ORDER BOOK */
.orderbook {
  flex: 1;
  overflow-y: auto;
  padding: 4px 0;
}
.ob-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  padding: 2px 12px;
  font-family: var(--font-mono);
  font-size: 10px;
  position: relative;
  cursor: default;
}
.ob-row:hover { background: var(--bg-hover); }
.ob-bar {
  position: absolute;
  top: 0; bottom: 0;
  opacity: 0.12;
  pointer-events: none;
}
.ob-bar.ask { background: var(--red); right: 0; }
.ob-bar.bid { background: var(--green); left: 0; }
.ob-price.ask { color: var(--red); }
.ob-price.bid { color: var(--green); }
.ob-size, .ob-total { color: var(--text-secondary); text-align: right; }

/* TRADES */
.trades-list {
  flex: 1;
  overflow-y: auto;
  padding: 4px 0;
}
.trade-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  padding: 2px 12px;
  font-family: var(--font-mono);
  font-size: 10px;
  animation: fadeIn 0.3s ease;
}
.trade-row:hover { background: var(--bg-hover); }
.trade-price.buy { color: var(--green); }
.trade-price.sell { color: var(--red); }
.trade-size, .trade-time { color: var(--text-secondary); text-align: right; }

@keyframes fadeIn { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }

#depthCanvas { display: block; }

/* ══════════════════════════════════════
   RIGHT SIDEBAR
══════════════════════════════════════ */
.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  padding: 4px 10px;
}
.stat-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
}
.stat-label {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.stat-value {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
}
.stat-value.up { color: var(--green); }
.stat-value.dn { color: var(--red); }

/* MOVERS */
.movers-list { padding: 0 10px; display: flex; flex-direction: column; gap: 4px; }
.mover-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 8px;
  background: var(--bg-elevated);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: border-color 0.12s;
}
.mover-item:hover { border-color: var(--border-bright); }
.mover-sym {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--text-primary);
}
.mover-chg {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 3px;
}
.mover-chg.up { color: var(--green); background: var(--green-dim); }
.mover-chg.dn { color: var(--red); background: var(--red-dim); }

/* NEWS */
.news-list { padding: 0 10px; display: flex; flex-direction: column; gap: 6px; }
.news-item {
  padding: 8px 10px;
  background: var(--bg-elevated);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: border-color 0.12s;
}
.news-item:hover { border-color: var(--accent); }
.news-headline {
  font-size: 11px;
  color: var(--text-primary);
  line-height: 1.4;
  margin-bottom: 4px;
}
.news-meta {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-muted);
  display: flex;
  gap: 8px;
}
.news-tag {
  color: var(--accent);
  font-weight: 700;
}

/* ══════════════════════════════════════
   STATUS BAR
══════════════════════════════════════ */
.statusbar {
  height: var(--status-h);
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
  flex-shrink: 0;
}
.status-left, .status-right { display: flex; align-items: center; gap: 8px; }
.sep { color: var(--border-bright); }

/* ══════════════════════════════════════
   PRICE FLASH ANIMATION
══════════════════════════════════════ */
.flash-up {
  animation: flashUp 0.4s ease;
}
.flash-dn {
  animation: flashDn 0.4s ease;
}
@keyframes flashUp {
  0%   { color: var(--green); text-shadow: 0 0 8px var(--green); }
  100% { color: var(--text-primary); text-shadow: none; }
}
@keyframes flashDn {
  0%   { color: var(--red); text-shadow: 0 0 8px var(--red); }
  100% { color: var(--text-primary); text-shadow: none; }
}

/* ══════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════ */
@media (max-width: 1100px) {
  .app-layout { grid-template-columns: 180px 1fr; }
  .sidebar-right { display: none; }
}
@media (max-width: 768px) {
  .app-layout { grid-template-columns: 1fr; }
  .sidebar-left { display: none; }
  .ohlc-row { display: none; }
}