:root {
  --bg-void: #020805;
  --bg-deep: #06140c;
  --bg-panel: rgba(6, 28, 16, 0.78);
  --line: rgba(0, 255, 136, 0.12);
  --line-strong: rgba(0, 255, 136, 0.28);
  --neon: #00ff88;
  --neon-dim: #00c86a;
  --neon-hot: #39ff14;
  --neon-cyan: #00ffd0;
  --neon-glow: 0 0 18px rgba(0, 255, 136, 0.45), 0 0 48px rgba(0, 255, 136, 0.18);
  --red: #ff3b5c;
  --red-dim: #ff6b84;
  --red-glow: 0 0 16px rgba(255, 59, 92, 0.4);
  --text: #d8ffe8;
  --text-mute: #6a9a7c;
  --text-dim: #3d5f4a;
  --font-brand: "Orbitron", sans-serif;
  --font-ui: "Exo 2", sans-serif;
  --font-mono: "JetBrains Mono", monospace;
  --shell-max: 1440px;
  --topbar-h: 56px;
}

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

html,
body {
  height: 100%;
}

body {
  font-family: var(--font-ui);
  color: var(--text);
  background: var(--bg-void);
  overflow: hidden;
  min-height: 100vh;
  min-height: 100dvh;
}

.ambient {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(ellipse 80% 50% at 15% -10%, rgba(0, 255, 136, 0.14), transparent 55%),
    radial-gradient(ellipse 60% 40% at 90% 10%, rgba(0, 255, 208, 0.08), transparent 50%),
    radial-gradient(ellipse 50% 60% at 50% 110%, rgba(0, 180, 90, 0.1), transparent 45%),
    linear-gradient(180deg, #031008 0%, var(--bg-void) 40%, #04120a 100%);
}

.ambient::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 255, 136, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 136, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black, transparent);
  animation: grid-drift 40s linear infinite;
}

@keyframes grid-drift {
  from { background-position: 0 0; }
  to { background-position: 48px 48px; }
}

.scanlines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 50;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.08) 2px,
    rgba(0, 0, 0, 0.08) 4px
  );
  opacity: 0.35;
}

/* —— Centered shell —— */
.shell {
  position: relative;
  z-index: 5;
  width: min(100%, var(--shell-max));
  height: 100vh;
  height: 100dvh;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  padding: 0.65rem 0.75rem 0.75rem;
  gap: 0.65rem;
}

/* —— Top bar —— */
.topbar {
  flex: 0 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 1rem;
  min-height: var(--topbar-h);
  padding: 0 1rem;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(0, 40, 20, 0.55), rgba(2, 8, 5, 0.35));
  backdrop-filter: blur(12px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  min-width: 0;
}

.brand-mark {
  flex-shrink: 0;
  width: 12px;
  height: 12px;
  background: var(--neon);
  box-shadow: var(--neon-glow);
  clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
  animation: pulse-mark 2.4s ease-in-out infinite;
}

@keyframes pulse-mark {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.65; transform: scale(0.85); }
}

.brand-name {
  font-family: var(--font-brand);
  font-weight: 900;
  font-size: clamp(0.95rem, 1.8vw, 1.35rem);
  letter-spacing: 0.16em;
  color: var(--text);
  text-shadow: var(--neon-glow);
  line-height: 1;
  white-space: nowrap;
}

.brand-name span {
  color: var(--neon);
}

.top-stats {
  display: flex;
  justify-content: center;
  gap: clamp(1rem, 3vw, 2.25rem);
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  align-items: center;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  color: var(--text-mute);
}

.stat-value {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
}

.stat-value.up { color: var(--neon); }
.stat-value.down { color: var(--red); }

.top-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
}

.live-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.16em;
  color: var(--neon);
  border: 1px solid var(--line-strong);
  padding: 0.3rem 0.65rem;
  background: rgba(0, 255, 136, 0.06);
  white-space: nowrap;
}

.live-pill i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--neon);
  box-shadow: var(--neon-glow);
  animation: blink 1.2s step-end infinite;
}

@keyframes blink {
  50% { opacity: 0.2; }
}

.ghost-btn {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  color: var(--text-mute);
  background: transparent;
  border: 1px solid var(--line);
  padding: 0.35rem 0.75rem;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.ghost-btn:hover {
  color: var(--neon);
  border-color: var(--neon-dim);
  box-shadow: var(--neon-glow);
}

/* —— Terminal grid —— */
.terminal {
  flex: 1 1 auto;
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(180px, 220px) minmax(0, 1fr) minmax(200px, 240px);
  grid-template-rows: minmax(0, 1fr) minmax(220px, 260px);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  overflow: hidden;
}

.panel {
  background: var(--bg-panel);
  backdrop-filter: blur(16px);
  padding: 0.75rem 0.85rem;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  animation: panel-in 0.7s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.watchlist { grid-column: 1; grid-row: 1; animation-delay: 0.05s; }
.chart-panel { grid-column: 2; grid-row: 1; animation-delay: 0.12s; }
.orderbook { grid-column: 3; grid-row: 1; animation-delay: 0.18s; }
.ticket { grid-column: 1; grid-row: 2; animation-delay: 0.22s; }
.tape { grid-column: 2; grid-row: 2; animation-delay: 0.28s; }
.positions { grid-column: 3; grid-row: 2; animation-delay: 0.34s; }

@keyframes panel-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.55rem;
  flex-shrink: 0;
  min-width: 0;
}

.panel-head h2 {
  font-family: var(--font-brand);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--text-mute);
  text-transform: uppercase;
  white-space: nowrap;
}

.panel-tag {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.1em;
  color: var(--neon-dim);
  opacity: 0.8;
  white-space: nowrap;
}

/* Markets */
.market-list {
  list-style: none;
  overflow-y: auto;
  overflow-x: hidden;
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.market-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.15rem 0.4rem;
  padding: 0.45rem 0.4rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
  font-family: var(--font-mono);
  min-width: 0;
}

.market-item:hover,
.market-item.active {
  background: rgba(0, 255, 136, 0.06);
  border-color: var(--line);
}

.market-item.active {
  border-color: var(--line-strong);
  box-shadow: inset 2px 0 0 var(--neon);
}

.m-sym {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.m-name {
  grid-column: 1;
  font-size: 0.55rem;
  color: var(--text-dim);
  letter-spacing: 0.04em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.m-px {
  font-size: 0.68rem;
  text-align: right;
  align-self: center;
  white-space: nowrap;
}

.m-chg {
  grid-column: 2;
  font-size: 0.55rem;
  text-align: right;
  white-space: nowrap;
}

.up { color: var(--neon) !important; }
.down { color: var(--red) !important; }

/* Chart */
.chart-header {
  display: grid;
  grid-template-columns: minmax(0, auto) minmax(0, 1fr) auto;
  align-items: end;
  gap: 0.75rem 1rem;
  margin-bottom: 0.5rem;
  flex-shrink: 0;
  min-width: 0;
}

.pair-block {
  min-width: 0;
}

.pair-block h2 {
  font-family: var(--font-brand);
  font-size: clamp(0.9rem, 1.5vw, 1.1rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text);
  text-shadow: 0 0 20px rgba(0, 255, 136, 0.25);
  white-space: nowrap;
}

.pair-meta {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  color: var(--text-dim);
  letter-spacing: 0.08em;
  margin-top: 0.15rem;
}

.pair-price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.65rem;
  min-width: 0;
}

.big-price {
  font-family: var(--font-mono);
  font-size: clamp(1.15rem, 2.4vw, 1.75rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  text-shadow: var(--neon-glow);
  white-space: nowrap;
}

.change {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  white-space: nowrap;
}

.tf-group {
  display: flex;
  gap: 2px;
  justify-self: end;
  flex-shrink: 0;
}

.tf {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  color: var(--text-mute);
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--line);
  padding: 0.3rem 0.5rem;
  cursor: pointer;
  transition: all 0.2s;
}

.tf:hover { color: var(--neon); }
.tf.active {
  color: var(--bg-void);
  background: var(--neon);
  border-color: var(--neon);
  box-shadow: var(--neon-glow);
}

.chart-stage {
  flex: 1 1 auto;
  min-height: 0;
  width: 100%;
  position: relative;
}

#chart {
  display: block;
  width: 100%;
  height: 100%;
}

.chart-footer {
  display: flex;
  justify-content: space-between;
  margin-top: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  flex-shrink: 0;
}

/* Order book */
.spread {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  color: var(--neon-cyan);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.book-cols,
.tape-cols {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr) minmax(0, 1fr);
  font-family: var(--font-mono);
  font-size: 0.52rem;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin-bottom: 0.3rem;
  flex-shrink: 0;
}

.book-cols span:nth-child(2),
.book-cols span:nth-child(3),
.tape-cols span:nth-child(2),
.tape-cols span:nth-child(3) {
  text-align: right;
}

.book-asks,
.book-bids {
  display: flex;
  flex-direction: column;
  justify-content: space-evenly;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.book-row {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr) minmax(0, 1fr);
  font-family: var(--font-mono);
  font-size: clamp(0.58rem, 0.9vw, 0.68rem);
  padding: 0.12rem 0;
  z-index: 0;
  min-width: 0;
}

.book-row span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.book-row span:nth-child(2),
.book-row span:nth-child(3) {
  text-align: right;
  color: var(--text-mute);
}

.book-row .bar {
  position: absolute;
  top: 0;
  bottom: 0;
  right: 0;
  z-index: -1;
  opacity: 0.22;
  transition: width 0.3s ease;
}

.book-asks .book-row .bar { background: var(--red); }
.book-bids .book-row .bar { background: var(--neon); }
.book-asks .book-row span:first-child { color: var(--red-dim); }
.book-bids .book-row span:first-child { color: var(--neon); }

.book-mid {
  font-family: var(--font-mono);
  font-size: clamp(0.85rem, 1.4vw, 1rem);
  font-weight: 600;
  text-align: center;
  padding: 0.35rem 0;
  margin: 0.2rem 0;
  color: var(--neon);
  text-shadow: var(--neon-glow);
  border-block: 1px solid var(--line);
  flex-shrink: 0;
}

/* Ticket */
.side-toggle {
  display: flex;
  gap: 2px;
  flex-shrink: 0;
}

.side {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  padding: 0.28rem 0.5rem;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text-mute);
  cursor: pointer;
  transition: all 0.2s;
}

.side.buy.active {
  color: var(--bg-void);
  background: var(--neon);
  border-color: var(--neon);
  box-shadow: var(--neon-glow);
}

.side.sell.active {
  color: #fff;
  background: var(--red);
  border-color: var(--red);
  box-shadow: var(--red-glow);
}

.order-form {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.4rem;
}

.form-grid .full {
  grid-column: 1 / -1;
}

.order-form label {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  min-width: 0;
}

.order-form label span {
  font-family: var(--font-mono);
  font-size: 0.52rem;
  letter-spacing: 0.1em;
  color: var(--text-dim);
}

.order-form input,
.order-form select {
  width: 100%;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text);
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--line);
  padding: 0.35rem 0.45rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.order-form input:focus,
.order-form select:focus {
  border-color: var(--neon-dim);
  box-shadow: 0 0 0 1px rgba(0, 255, 136, 0.2);
}

.order-form select {
  cursor: pointer;
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--neon-dim) 50%),
    linear-gradient(135deg, var(--neon-dim) 50%, transparent 50%);
  background-position: calc(100% - 12px) 50%, calc(100% - 7px) 50%;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
}

.leverage {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.leverage span {
  font-family: var(--font-mono);
  font-size: 0.52rem;
  letter-spacing: 0.1em;
  color: var(--text-dim);
}

.leverage strong {
  color: var(--neon);
  font-weight: 600;
}

.leverage input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--neon-dim), var(--neon-hot));
  border: none;
  padding: 0;
  box-shadow: 0 0 10px rgba(0, 255, 136, 0.3);
}

.leverage input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 12px;
  height: 12px;
  background: var(--neon);
  box-shadow: var(--neon-glow);
  cursor: pointer;
  border: none;
}

.submit-btn {
  margin-top: auto;
  font-family: var(--font-brand);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  padding: 0.6rem;
  border: none;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.2s, filter 0.2s;
  width: 100%;
}

.submit-btn.buy {
  color: var(--bg-void);
  background: var(--neon);
  box-shadow: var(--neon-glow);
}

.submit-btn.sell {
  color: #fff;
  background: var(--red);
  box-shadow: var(--red-glow);
}

.submit-btn:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
}

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

/* Tape */
.tape-list {
  list-style: none;
  overflow-y: auto;
  overflow-x: hidden;
  flex: 1;
  min-height: 0;
  font-family: var(--font-mono);
}

.tape-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1fr);
  font-size: 0.65rem;
  padding: 0.22rem 0;
  border-bottom: 1px solid rgba(0, 255, 136, 0.04);
  animation: tape-flash 0.5s ease;
}

.tape-row span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tape-row span:nth-child(2),
.tape-row span:nth-child(3) {
  text-align: right;
}

.tape-row .t-time { color: var(--text-dim); }
.tape-row .t-size { color: var(--text-mute); }

@keyframes tape-flash {
  from { background: rgba(0, 255, 136, 0.12); }
  to { background: transparent; }
}

/* Positions */
.pnl {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  white-space: nowrap;
}

.pos-table {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  font-family: var(--font-mono);
  font-size: 0.62rem;
}

.pos-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.1rem 0.4rem;
  padding: 0.4rem 0;
  border-bottom: 1px solid rgba(0, 255, 136, 0.06);
  min-width: 0;
}

.pos-sym {
  font-weight: 600;
  font-size: 0.68rem;
  color: var(--text);
}

.pos-side {
  font-size: 0.55rem;
  letter-spacing: 0.08em;
}

.pos-meta {
  grid-column: 1 / -1;
  color: var(--text-dim);
  font-size: 0.55rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pos-pnl {
  font-weight: 600;
  align-self: start;
  white-space: nowrap;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  z-index: 100;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--bg-void);
  background: var(--neon);
  padding: 0.75rem 1.25rem;
  box-shadow: var(--neon-glow);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, transform 0.3s;
  max-width: calc(100% - 2rem);
  text-align: center;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.toast.sell-toast {
  color: #fff;
  background: var(--red);
  box-shadow: var(--red-glow);
}

::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(0, 255, 136, 0.25); }

/* Tablet */
@media (max-width: 1100px) {
  .terminal {
    grid-template-columns: minmax(160px, 200px) minmax(0, 1fr) minmax(180px, 210px);
    grid-template-rows: minmax(0, 1fr) minmax(200px, 240px);
  }

  .chart-header {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-rows: auto auto;
  }

  .pair-price {
    justify-content: flex-start;
    grid-column: 1;
    grid-row: 2;
  }

  .tf-group {
    grid-column: 2;
    grid-row: 1 / 3;
    align-self: center;
  }
}

/* Mobile */
@media (max-width: 860px) {
  body { overflow: auto; }

  .shell {
    height: auto;
    min-height: 100vh;
    min-height: 100dvh;
    padding: 0.5rem;
    gap: 0.5rem;
  }

  .topbar {
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto;
    gap: 0.65rem;
    padding: 0.75rem;
    min-height: 0;
  }

  .brand { grid-column: 1; }
  .top-actions { grid-column: 2; }
  .top-stats {
    grid-column: 1 / -1;
    justify-content: space-around;
    width: 100%;
    padding-top: 0.35rem;
    border-top: 1px solid var(--line);
  }

  .terminal {
    height: auto;
    overflow: visible;
    grid-template-columns: 1fr;
    grid-template-rows: none;
  }

  .watchlist,
  .chart-panel,
  .orderbook,
  .ticket,
  .tape,
  .positions {
    grid-column: 1;
    grid-row: auto;
    min-height: 240px;
    overflow: visible;
  }

  .chart-panel { min-height: 380px; }
  .chart-stage { min-height: 240px; }

  .chart-header {
    grid-template-columns: 1fr;
    justify-items: start;
  }

  .pair-price { justify-content: flex-start; }
  .tf-group { justify-self: start; }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}