:root {
  color-scheme: dark;
  --bg: #0b0e11;
  --panel: #101419;
  --panel-2: #151a21;
  --line: #232a32;
  --line-soft: #1b2128;
  --text: #eaecef;
  --muted: #848e9c;
  --muted-2: #5e6673;
  --yellow: #f0b90b;
  --yellow-hover: #f8d33a;
  --green: #0ecb81;
  --green-soft: rgba(14, 203, 129, 0.13);
  --red: #f6465d;
  --red-soft: rgba(246, 70, 93, 0.13);
  --blue: #4c8dff;
  --shadow: 0 18px 52px rgba(0, 0, 0, 0.28);
  --radius: 10px;
  font-family: Vazirmatn, IRANSans, Tahoma, Arial, sans-serif;
}

body.light {
  color-scheme: light;
  --bg: #f5f7fa;
  --panel: #fff;
  --panel-2: #f7f8fa;
  --line: #e1e5ea;
  --line-soft: #eceff2;
  --text: #161a1e;
  --muted: #66707d;
  --muted-2: #98a1ad;
  --green-soft: rgba(14, 203, 129, 0.1);
  --red-soft: rgba(246, 70, 93, 0.1);
  --shadow: 0 14px 40px rgba(35, 45, 62, 0.1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-size: 13px;
  overflow-x: hidden;
}

button, input { font: inherit; }

button { color: inherit; }

button:focus-visible, input:focus-visible {
  outline: 2px solid var(--yellow);
  outline-offset: 2px;
}

button:disabled { cursor: not-allowed; opacity: .38; }

.app-shell { min-height: 100vh; }

.topbar {
  height: 62px;
  display: flex;
  align-items: center;
  gap: 36px;
  padding: 0 20px;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 93%, transparent);
  backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  z-index: 40;
}

.brand-wrap { display: flex; align-items: center; gap: 10px; min-width: 220px; }
.brand-mark {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  color: #111;
  background: var(--yellow);
  font: 900 22px/1 Arial;
  transform: skew(-5deg);
}
.brand-name { font-weight: 800; direction: ltr; text-align: right; }
.brand-subtitle { color: var(--muted); font-size: 10px; margin-top: 2px; }
.main-nav { display: flex; align-self: stretch; }
.nav-item {
  border: 0;
  border-bottom: 2px solid transparent;
  padding: 0 18px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}
.nav-item.active { color: var(--text); font-weight: 700; border-color: var(--yellow); }
.header-actions { margin-right: auto; display: flex; align-items: center; gap: 10px; }
.connection { display: flex; gap: 7px; align-items: center; color: var(--muted); white-space: nowrap; }
.connection i, .pulse-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px var(--green-soft); }
.secondary-button, .danger-ghost, .icon-button {
  border: 1px solid var(--line);
  border-radius: 7px;
  min-height: 34px;
  padding: 0 12px;
  background: var(--panel-2);
  cursor: pointer;
}
.danger-ghost { color: var(--red); background: transparent; }
.icon-button { width: 34px; padding: 0; }
.mobile-only { display: none; }

.market-strip {
  min-height: 88px;
  display: flex;
  align-items: center;
  gap: clamp(18px, 3vw, 48px);
  padding: 12px 20px;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
  overflow-x: auto;
  scrollbar-width: thin;
}
.pair-block { display: flex; align-items: center; gap: 11px; min-width: 260px; }
.coin-icon { width: 42px; height: 42px; display: grid; place-items: center; background: #e0a900; color: #111; border-radius: 50%; font-weight: 900; font-size: 11px; box-shadow: inset 0 0 0 4px rgba(255,255,255,.16); }
.pair-line { display: flex; align-items: center; gap: 7px; direction: ltr; }
.pair-line strong { font-size: 19px; }
.perp-badge, .sim-badge { border-radius: 4px; padding: 2px 5px; font-size: 9px; background: var(--panel-2); color: var(--muted); border: 1px solid var(--line); }
.sim-badge { color: var(--yellow); border-color: color-mix(in srgb, var(--yellow) 45%, transparent); }
.pair-subline { color: var(--muted); font-size: 10px; margin-top: 5px; }
.market-price-block { min-width: 135px; direction: ltr; text-align: left; }
.market-price-block strong { display: block; font-size: 22px; font-variant-numeric: tabular-nums; }
.market-price-block span { color: var(--muted); font-size: 10px; }
.market-metric { min-width: 120px; }
.market-metric span { display: block; color: var(--muted); font-size: 10px; margin-bottom: 7px; }
.market-metric strong { direction: ltr; display: inline-block; font-size: 12px; font-variant-numeric: tabular-nums; }
.up { color: var(--green) !important; }
.down { color: var(--red) !important; }

.trading-grid {
  display: grid;
  grid-template-columns: minmax(480px, 1fr) 290px 350px;
  grid-template-areas: "chart book order";
  min-height: 600px;
  border-bottom: 1px solid var(--line);
}
.panel { background: var(--panel); }
.chart-panel { grid-area: chart; min-width: 0; border-left: 1px solid var(--line); }
.orderbook-panel { grid-area: book; border-left: 1px solid var(--line); }
.order-panel { grid-area: order; padding: 14px 16px; }
.panel-toolbar, .panel-title-row { height: 46px; padding: 0 14px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line-soft); }
.panel-title-row h2 { font-size: 13px; margin: 0; }
.chart-toolbar { direction: ltr; }
.timeframes, .chart-tools { display: flex; gap: 2px; align-items: center; }
.timeframes button, .chart-tools button, .depth-mode span {
  border: 0;
  border-radius: 5px;
  background: transparent;
  color: var(--muted);
  padding: 6px 8px;
  cursor: pointer;
  font-size: 11px;
}
.timeframes button.active, .chart-tools button.active { color: var(--yellow); background: color-mix(in srgb, var(--yellow) 11%, transparent); }
.chart-help { color: var(--muted-2); font-size: 9px; margin-left: 8px; }
.ohlc-row { height: 27px; padding: 7px 14px 0; display: flex; gap: 14px; direction: ltr; color: var(--muted); font-size: 9px; overflow: hidden; }
.ohlc-row b { color: var(--text); font-weight: 500; font-variant-numeric: tabular-nums; }
.chart-wrap { height: 527px; position: relative; overflow: hidden; touch-action: none; }
#marketChart { display: block; width: 100%; height: 100%; cursor: crosshair; }
.chart-watermark { position: absolute; inset: 50% auto auto 50%; transform: translate(-50%, -50%); font-size: clamp(28px, 5vw, 66px); font-weight: 900; color: color-mix(in srgb, var(--muted) 7%, transparent); direction: ltr; pointer-events: none; }
.chart-watermark span { font-weight: 400; }
.chart-tooltip { position: absolute; z-index: 5; min-width: 155px; pointer-events: none; padding: 9px 10px; border: 1px solid var(--line); border-radius: 7px; background: color-mix(in srgb, var(--panel) 93%, transparent); box-shadow: var(--shadow); font-size: 10px; direction: ltr; }

.depth-mode { display: flex; gap: 2px; direction: ltr; }
.depth-mode .both { color: var(--yellow); }
.order-head, .order-row, .recent-head, .recent-row { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; direction: ltr; text-align: right; font-variant-numeric: tabular-nums; }
.order-head { padding: 8px 11px; color: var(--muted); font-size: 9px; }
.order-row { position: relative; padding: 3px 11px; font-size: 10px; line-height: 18px; }
.order-row > span { position: relative; z-index: 1; }
.order-row .depth { position: absolute; top: 0; bottom: 0; right: 0; opacity: .8; }
.asks .order-row .depth { background: var(--red-soft); }
.bids .order-row .depth { background: var(--green-soft); }
.asks .order-row span:first-of-type { color: var(--red); }
.bids .order-row span:first-of-type { color: var(--green); }
.book-mid { height: 50px; display: flex; flex-direction: column; justify-content: center; padding: 0 11px; direction: ltr; border-block: 1px solid var(--line-soft); }
.book-mid strong { font-size: 17px; font-variant-numeric: tabular-nums; }
.book-mid span { color: var(--muted); font-size: 9px; margin-top: 2px; }

.account-summary { min-height: 61px; position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; padding-bottom: 12px; border-bottom: 1px solid var(--line-soft); }
.account-summary div span { display: block; color: var(--muted); font-size: 10px; margin-bottom: 6px; }
.account-summary strong { font-size: 12px; direction: ltr; display: inline-block; font-variant-numeric: tabular-nums; }
.eye-button { position: absolute; left: 0; top: 0; border: 0; background: transparent; color: var(--muted); cursor: pointer; }
.trade-settings { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 7px; margin: 12px 0; }
.setting-button { border: 1px solid var(--line); border-radius: 6px; background: var(--panel-2); padding: 8px 6px; cursor: pointer; font-size: 10px; white-space: nowrap; }
.setting-button span { color: var(--muted); }
.direction-tabs { display: grid; grid-template-columns: 1fr 1fr; margin: 2px 0 12px; background: var(--panel-2); padding: 3px; border-radius: 7px; }
.direction-tabs button { border: 0; border-radius: 5px; background: transparent; padding: 10px; color: var(--muted); cursor: pointer; }
.direction-tabs .long.active { background: var(--green); color: #04150e; font-weight: 800; }
.direction-tabs .short.active { background: var(--red); color: #fff; font-weight: 800; }
.order-type-row { display: flex; align-items: center; gap: 14px; margin-bottom: 12px; border-bottom: 1px solid var(--line-soft); }
.order-type-row button { border: 0; background: transparent; color: var(--muted); padding: 5px 0 9px; cursor: pointer; font-size: 11px; border-bottom: 2px solid transparent; }
.order-type-row button.active { color: var(--text); border-color: var(--yellow); }
.order-type-row span { margin-right: auto; color: var(--muted-2); font-size: 9px; }
.input-label { display: flex; justify-content: space-between; color: var(--muted); font-size: 10px; margin: 10px 0 7px; }
.input-box { height: 40px; display: flex; align-items: center; gap: 10px; direction: ltr; border: 1px solid var(--line); background: var(--panel-2); border-radius: 6px; padding: 0 11px; }
.input-box:focus-within { border-color: var(--yellow); }
.input-box input { min-width: 0; flex: 1; width: 100%; border: 0; outline: 0; background: transparent; color: var(--text); font-variant-numeric: tabular-nums; }
.input-box span { color: var(--muted); font-size: 10px; }
input[type="range"] { accent-color: var(--yellow); cursor: pointer; }
.percent-slider { width: 100%; margin: 12px 0 1px; height: 4px; }
.percent-marks, .leverage-marks { display: flex; justify-content: space-between; direction: ltr; color: var(--muted); font-size: 8px; }
.percent-marks button { padding: 4px 0; border: 0; background: transparent; color: var(--muted); cursor: pointer; font-size: 9px; }
.leverage-row { margin: 11px 0 8px; }
.leverage-row label { display: flex; justify-content: space-between; color: var(--muted); font-size: 10px; }
.leverage-row label strong { color: var(--yellow); direction: ltr; }
.leverage-row input { width: 100%; height: 4px; margin: 10px 0 2px; }
.optional-orders { min-height: 26px; margin: 9px 0; }
.optional-orders > label { color: var(--muted); font-size: 10px; cursor: pointer; }
.optional-orders input[type="checkbox"] { accent-color: var(--yellow); }
.tp-sl-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; margin-top: 8px; }
.input-box.compact { height: 34px; }
.order-preview { border-top: 1px solid var(--line-soft); padding-top: 8px; }
.order-preview div { display: flex; justify-content: space-between; margin: 5px 0; font-size: 9px; }
.order-preview span { color: var(--muted); }
.order-preview strong { direction: ltr; font-weight: 500; font-variant-numeric: tabular-nums; }
.trade-button, .primary-button, .danger-button { width: 100%; min-height: 42px; border: 0; border-radius: 7px; font-weight: 800; cursor: pointer; margin-top: 10px; transition: filter .15s, transform .15s; }
.trade-button:hover, .primary-button:hover, .danger-button:hover { filter: brightness(1.08); }
.trade-button:active, .primary-button:active, .danger-button:active { transform: translateY(1px); }
.trade-button.long { background: var(--green); color: #04150e; }
.trade-button.short { background: var(--red); color: #fff; }
.primary-button { background: var(--yellow); color: #151000; }
.danger-button { background: var(--red); color: #fff; }
.risk-note { color: var(--muted-2); font-size: 8px; text-align: center; line-height: 1.7; margin: 8px 0 0; }

.positions-panel { min-height: 222px; border-bottom: 1px solid var(--line); }
.position-tabs { height: 48px; display: flex; align-items: stretch; gap: 24px; padding: 0 20px; border-bottom: 1px solid var(--line); }
.position-tabs button { border: 0; border-bottom: 2px solid transparent; background: transparent; color: var(--muted); cursor: pointer; }
.position-tabs button.active { color: var(--text); border-color: var(--yellow); }
.position-content { min-height: 173px; overflow-x: auto; }
.empty-state { min-height: 173px; display: flex; flex-direction: column; justify-content: center; align-items: center; color: var(--muted); gap: 7px; }
.empty-state .empty-icon { width: 42px; height: 34px; border: 1px dashed var(--muted-2); border-radius: 7px; display: grid; place-items: center; font-size: 17px; opacity: .7; }
.empty-state strong { color: var(--text); font-size: 11px; }
.empty-state span { font-size: 9px; }
.position-table { min-width: 980px; }
.position-table-head, .position-table-row { display: grid; grid-template-columns: 1.2fr .7fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1.7fr; gap: 10px; align-items: center; padding: 10px 18px; direction: ltr; text-align: left; font-variant-numeric: tabular-nums; }
.position-table-head { color: var(--muted); font-size: 9px; border-bottom: 1px solid var(--line-soft); }
.position-table-row { font-size: 10px; }
.position-table-row .symbol-cell { display: flex; align-items: center; gap: 7px; }
.side-chip { padding: 3px 6px; border-radius: 4px; font-size: 8px; }
.side-chip.long { background: var(--green-soft); color: var(--green); }
.side-chip.short { background: var(--red-soft); color: var(--red); }
.leverage-chip { color: var(--yellow); }
.position-actions { display: flex; gap: 6px; }
.position-actions button { border: 1px solid var(--line); background: var(--panel-2); border-radius: 5px; padding: 6px 8px; cursor: pointer; font-size: 9px; }
.position-actions button:last-child { color: var(--red); }
.history-table { min-width: 920px; }
.history-head, .history-row { display: grid; grid-template-columns: 1.2fr .8fr 1fr 1fr 1fr 1fr 1fr; gap: 10px; padding: 9px 18px; direction: ltr; align-items: center; font-size: 9px; border-bottom: 1px solid var(--line-soft); font-variant-numeric: tabular-nums; }
.history-head { color: var(--muted); }
.account-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 1px; background: var(--line-soft); }
.account-grid div { min-height: 85px; background: var(--panel); padding: 18px; }
.account-grid span { display: block; color: var(--muted); font-size: 9px; margin-bottom: 10px; }
.account-grid strong { direction: ltr; display: inline-block; font-variant-numeric: tabular-nums; }

.lower-grid { display: grid; grid-template-columns: 1fr 1.6fr; gap: 1px; background: var(--line); }
.lower-grid .panel { min-height: 250px; }
.muted { color: var(--muted); font-size: 9px; }
.recent-head { color: var(--muted); padding: 9px 14px; font-size: 9px; }
.recent-row { padding: 3px 14px; font-size: 10px; }
.status-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line-soft); height: calc(100% - 46px); }
.status-grid div { background: var(--panel); padding: 20px; }
.status-grid span { display: block; color: var(--muted); font-size: 9px; margin-bottom: 10px; }
.status-grid strong { font-size: 12px; direction: ltr; display: inline-block; }

footer { min-height: 76px; padding: 0 22px; display: flex; align-items: center; justify-content: space-between; gap: 16px; color: var(--muted); background: var(--bg); }
footer strong { color: var(--text); font-size: 11px; }

.modal-backdrop { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 18px; background: rgba(4, 6, 8, .82); backdrop-filter: blur(8px); }
.modal-backdrop[hidden] { display: none; }
.modal { width: min(100%, 510px); max-height: calc(100vh - 30px); overflow-y: auto; position: relative; background: var(--panel); border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow); padding: 28px; }
.capital-modal { text-align: center; }
.modal-symbol { margin: 0 auto 12px; width: 58px; height: 58px; display: grid; place-items: center; border-radius: 16px; background: var(--yellow); color: #111; font-weight: 900; font-size: 16px; box-shadow: 0 10px 40px rgba(240,185,11,.2); }
.eyebrow { color: var(--yellow); font-size: 9px; letter-spacing: 2px; direction: ltr; }
.modal h1 { font-size: clamp(19px, 4vw, 26px); margin: 10px 0; }
.modal h2 { margin: 0 0 8px; font-size: 18px; }
.modal p { color: var(--muted); font-size: 11px; line-height: 1.9; margin: 6px 0 18px; }
.capital-display { display: flex; align-items: baseline; justify-content: center; direction: ltr; margin: 22px 0 12px; }
.capital-display input { width: 230px; border: 0; outline: 0; background: transparent; color: var(--text); font: 800 38px/1 Arial; text-align: center; }
.capital-display span { color: var(--muted); font-weight: 700; }
.capital-slider { width: 100%; }
.capital-scale { display: flex; justify-content: space-between; direction: ltr; color: var(--muted-2); font-size: 7px; margin-top: 5px; }
.capital-presets { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; margin: 18px 0 10px; direction: ltr; }
.capital-presets button, .close-options button { border: 1px solid var(--line); border-radius: 6px; background: var(--panel-2); padding: 8px 4px; cursor: pointer; font-size: 10px; }
.capital-presets button.active, .close-options button.active { border-color: var(--yellow); color: var(--yellow); background: color-mix(in srgb, var(--yellow) 8%, transparent); }
.modal-facts { display: flex; justify-content: center; gap: 16px; margin-top: 15px; color: var(--muted); font-size: 9px; }
.small-modal { width: min(100%, 410px); }
.modal-close { position: absolute; left: 15px; top: 13px; border: 0; background: transparent; color: var(--muted); font-size: 24px; cursor: pointer; }
.liquidation-change { display: flex; justify-content: space-between; padding: 13px; margin-top: 12px; border-radius: 6px; background: var(--panel-2); color: var(--muted); font-size: 10px; }
.liquidation-change strong { color: var(--text); direction: ltr; }
.close-options { display: grid; grid-template-columns: repeat(4, 1fr); gap: 7px; direction: ltr; }
.modal-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.modal-actions button { margin-top: 10px; }

.toast-stack { position: fixed; z-index: 150; bottom: 20px; left: 20px; display: flex; flex-direction: column; gap: 8px; pointer-events: none; }
.toast { min-width: 260px; max-width: min(410px, calc(100vw - 40px)); padding: 12px 14px; border: 1px solid var(--line); border-right: 3px solid var(--yellow); border-radius: 8px; background: var(--panel); color: var(--text); box-shadow: var(--shadow); animation: toast-in .2s ease-out; }
.toast.success { border-right-color: var(--green); }
.toast.error { border-right-color: var(--red); }
.toast strong { display: block; font-size: 11px; margin-bottom: 3px; }
.toast span { color: var(--muted); font-size: 9px; }
@keyframes toast-in { from { transform: translateY(8px); opacity: 0; } }

@media (max-width: 1180px) {
  .trading-grid { grid-template-columns: minmax(420px, 1fr) 280px; grid-template-areas: "chart order" "book order"; }
  .chart-panel { border-bottom: 1px solid var(--line); }
  .orderbook-panel { border-left: 1px solid var(--line); }
  .order-list { display: grid; grid-template-columns: repeat(2, 1fr); }
  .book-mid { height: 46px; }
  .chart-wrap { height: 480px; }
  .account-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 820px) {
  .topbar { height: 56px; padding: 0 12px; gap: 8px; }
  .mobile-only { display: grid; place-items: center; }
  .brand-wrap { min-width: 0; }
  .brand-mark { width: 31px; height: 31px; }
  .brand-subtitle, .main-nav, .connection, .danger-ghost { display: none; }
  .header-actions { margin-right: auto; }
  .market-strip { min-height: 78px; padding-inline: 12px; gap: 26px; }
  .pair-block { min-width: 220px; }
  .trading-grid { display: flex; flex-direction: column; }
  .chart-panel { order: 1; border-left: 0; }
  .order-panel { order: 2; border-top: 1px solid var(--line); }
  .orderbook-panel { order: 3; border-top: 1px solid var(--line); border-left: 0; }
  .chart-wrap { height: 390px; }
  .chart-help { display: none; }
  .order-list { display: block; }
  .order-panel { padding: 16px 14px; }
  .positions-panel { min-height: 210px; }
  .position-tabs { gap: 15px; padding-inline: 12px; overflow-x: auto; }
  .position-tabs button { white-space: nowrap; }
  .lower-grid { grid-template-columns: 1fr; }
  .status-grid { grid-template-columns: repeat(2, 1fr); }
  .account-grid { grid-template-columns: repeat(2, 1fr); }
  footer { padding-block: 22px; flex-direction: column; justify-content: center; text-align: center; }
}

@media (max-width: 520px) {
  body { font-size: 12px; }
  .brand-name { font-size: 11px; }
  .market-strip { scrollbar-width: none; }
  .market-strip::-webkit-scrollbar { display: none; }
  .chart-toolbar { padding-inline: 7px; }
  .timeframes button { padding-inline: 6px; }
  .chart-tools button:not(#maButton) { display: none; }
  .chart-wrap { height: 330px; }
  .ohlc-row { gap: 8px; font-size: 8px; }
  .modal { padding: 22px 16px; }
  .capital-display input { width: 190px; font-size: 32px; }
  .capital-scale span:nth-child(even) { visibility: hidden; }
  .modal-facts { gap: 8px; flex-wrap: wrap; }
  .status-grid { grid-template-columns: 1fr 1fr; }
  .status-grid div { padding: 15px; }
  .toast-stack { left: 10px; bottom: 10px; }
  .toast { min-width: 250px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
}