:root {
  color-scheme: dark;
  --bg: #040b14;
  --panel: rgba(8, 21, 35, .82);
  --panel-strong: rgba(9, 28, 45, .96);
  --line: rgba(130, 247, 235, .16);
  --line-strong: rgba(130, 247, 235, .34);
  --text: #eefaff;
  --muted: #8ca8b6;
  --teal: #4df4df;
  --aqua: #90f7ff;
  --gold: #f7bd54;
  --green: #45f59a;
  --red: #ff5d74;
  --shadow: 0 24px 80px rgba(0, 0, 0, .48);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 20% 0%, rgba(77, 244, 223, .13), transparent 28%),
    radial-gradient(circle at 80% 8%, rgba(247, 189, 84, .12), transparent 25%),
    linear-gradient(135deg, #020711 0%, #061727 48%, #030912 100%);
  color: var(--text);
  padding-top: 88px;
}

button, input, select { font: inherit; }
button { cursor: pointer; }

.topbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  min-height: 78px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  padding: max(12px, env(safe-area-inset-top)) max(18px, env(safe-area-inset-right)) 12px max(18px, env(safe-area-inset-left));
  border-bottom: 1px solid var(--line);
  background: rgba(3, 10, 18, .82);
  backdrop-filter: blur(22px);
}

.brand {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0;
  text-align: left;
}

.mark {
  width: 46px;
  height: 46px;
  border-radius: 10px;
  border: 1px solid var(--line-strong);
  box-shadow: 0 0 28px rgba(77, 244, 223, .18);
  object-fit: cover;
}

.brand strong, .brand small {
  display: block;
}

.brand strong { font-size: 16px; }
.brand small, small, .label { color: var(--muted); }

.tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  justify-content: center;
}

.tabs::-webkit-scrollbar { display: none; }

.tabs button, .ghost {
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 10px 12px;
  background: transparent;
  color: var(--muted);
  font-weight: 850;
  white-space: nowrap;
}

.tabs button.active, .tabs button:hover, .ghost:hover {
  color: #031018;
  border-color: rgba(255,255,255,.18);
  background: linear-gradient(135deg, var(--teal), var(--gold));
}

.monitor {
  display: grid;
  justify-items: end;
  gap: 2px;
  min-width: 118px;
}

.monitor span {
  color: var(--green);
  font-weight: 900;
}

.workspace {
  width: min(1480px, 100%);
  margin: 0 auto;
  padding: 22px max(22px, env(safe-area-inset-right)) max(28px, env(safe-area-inset-bottom)) max(22px, env(safe-area-inset-left));
}

.page { display: none; }
.page.active { display: block; animation: fadeIn .18s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.glass, .panel, .signal-command {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(12, 31, 50, .88), rgba(5, 14, 24, .86));
  box-shadow: var(--shadow);
  backdrop-filter: blur(24px);
}

.hero-board {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, .65fr);
  gap: 16px;
  margin-bottom: 16px;
}

.price-card, .decision-card {
  min-height: 210px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.eyebrow, .label {
  margin: 0;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  margin: 8px 0 14px;
  font-size: clamp(42px, 7vw, 96px);
  line-height: .94;
  letter-spacing: 0;
}

h2 {
  margin: 3px 0 0;
  font-size: 18px;
}

.price-row, .chart-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .045);
  color: var(--aqua);
  font-weight: 850;
}

.chip.good { color: var(--green); }
.chip.bad { color: var(--red); }
.chip.neutral { color: var(--muted); }

.decision-card strong {
  display: block;
  margin: 8px 0;
  font-size: 30px;
}

.decision-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.decision-card.buy { border-color: rgba(69, 245, 154, .4); }
.decision-card.wait { border-color: rgba(247, 189, 84, .34); }
.decision-card.risk { border-color: rgba(255, 93, 116, .42); }

.action-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 16px;
}

.signal-command {
  padding: 18px;
}

.signal-command span,
.metrics span,
.backtest span,
.signal-tile span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.signal-command strong {
  display: block;
  margin: 7px 0;
  font-size: 30px;
}

.buy-command { border-color: rgba(69, 245, 154, .26); }
.sell-command { border-color: rgba(255, 93, 116, .26); }
.profit-command { border-color: rgba(247, 189, 84, .28); }

.grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(340px, .75fr);
  gap: 16px;
  margin-bottom: 16px;
}

.panel {
  padding: 18px;
  min-width: 0;
}

.panel-head, .page-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 16px;
}

.page-head h1 {
  font-size: clamp(30px, 5vw, 56px);
  margin-bottom: 0;
}

.segmented {
  display: inline-grid;
  grid-auto-flow: column;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: rgba(0, 0, 0, .2);
}

.segmented button {
  border: 0;
  border-radius: 7px;
  padding: 9px 12px;
  color: var(--muted);
  background: transparent;
  font-weight: 850;
}

.segmented button.active {
  color: #031018;
  background: linear-gradient(135deg, var(--teal), var(--gold));
}

canvas {
  width: 100%;
  height: min(47vh, 430px);
  display: block;
  border-radius: 10px;
  background: linear-gradient(180deg, rgba(4, 15, 27, .92), rgba(4, 12, 20, .98));
}

.chart-footer {
  justify-content: space-between;
  margin-top: 12px;
  color: var(--muted);
}

.chart-footer b { color: var(--text); }

.score-ring {
  width: 72px;
  height: 72px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid rgba(77, 244, 223, .38);
  background: conic-gradient(var(--teal) var(--score-deg, 0deg), rgba(255,255,255,.08) 0);
  color: var(--text);
  font-size: 20px;
  font-weight: 950;
}

.meter {
  height: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255,255,255,.08);
}

.meter span {
  display: block;
  height: 100%;
  width: 0%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--red), var(--gold), var(--green));
  transition: width .3s ease;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 16px 0;
}

.metrics.compact { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.metrics div, .backtest div, .signal-tile {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255,255,255,.04);
}

.metrics strong, .backtest strong, .signal-tile strong {
  display: block;
  margin-top: 6px;
  font-size: 18px;
  overflow-wrap: anywhere;
}

.signal-duo {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 16px;
}

.signal-wide .signal-tile strong {
  font-size: clamp(40px, 9vw, 76px);
}

.buy-tile { border-color: rgba(69, 245, 154, .28); }
.sell-tile { border-color: rgba(255, 93, 116, .28); }

.rule-list, .timeline, .market-log, .notification-list {
  display: grid;
  gap: 10px;
}

.rule, .event, .log-row, .notice-row {
  padding: 13px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(0,0,0,.18);
  color: var(--muted);
}

.rule strong, .event strong, .log-row strong, .notice-row strong {
  display: block;
  color: var(--text);
  margin-bottom: 4px;
}

.event, .log-row, .notice-row {
  display: grid;
  grid-template-columns: 96px 1fr auto;
  gap: 12px;
  align-items: center;
}

.event time, .log-row time, .notice-row time {
  color: var(--aqua);
  font-weight: 850;
}

.event time small {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-weight: 750;
}

.log-row.up .delta, .notice-row.buy .delta { color: var(--green); }
.log-row.down .delta, .notice-row.sell .delta { color: var(--red); }
.notice-row.status .delta { color: var(--gold); }

.backtest {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 14px 0;
}

.settings-list {
  display: grid;
  gap: 14px;
}

.settings-list label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-weight: 850;
}

select, input[type="range"], input[type="number"] {
  width: 100%;
}

select, input[type="number"] {
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0 12px;
  color: var(--text);
  background: #071827;
}

input[type="range"] { accent-color: var(--teal); }

.switch {
  width: 56px;
  height: 32px;
  position: relative;
}

.switch input {
  position: absolute;
  opacity: 0;
}

.switch span {
  position: absolute;
  inset: 0;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.08);
}

.switch span::after {
  content: "";
  position: absolute;
  width: 24px;
  height: 24px;
  left: 3px;
  top: 3px;
  border-radius: 50%;
  background: var(--muted);
  transition: transform .2s ease, background .2s ease;
}

.switch input:checked + span::after {
  transform: translateX(24px);
  background: var(--teal);
}

.fine-print {
  color: var(--muted);
  line-height: 1.55;
}

.toast {
  position: fixed;
  left: 50%;
  top: 50%;
  width: min(470px, calc(100vw - 34px));
  padding: 18px 46px 18px 18px;
  border: 1px solid rgba(77, 244, 223, .36);
  border-radius: 14px;
  background: rgba(5, 17, 28, .98);
  color: var(--text);
  box-shadow: 0 28px 90px rgba(0,0,0,.58), 0 0 46px rgba(77,244,223,.12);
  transform: translate(-50%, -46%) scale(.96);
  opacity: 0;
  pointer-events: none;
  transition: opacity .18s ease, transform .18s ease;
  z-index: 100;
}

.toast.show {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
  pointer-events: auto;
}

.toast.buy { border-color: rgba(69, 245, 154, .68); }
.toast.sell { border-color: rgba(255, 93, 116, .58); }
.toast.status { border-color: rgba(247, 189, 84, .5); }

.toast button {
  position: absolute;
  right: 11px;
  top: 11px;
  width: 30px;
  height: 30px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255,255,255,.07);
  color: var(--text);
  font-size: 17px;
}

.toast span {
  display: block;
  color: var(--aqua);
  font-size: 12px;
  font-weight: 950;
  text-transform: uppercase;
}

.toast strong {
  display: block;
  margin-top: 5px;
  font-size: 20px;
}

.toast p {
  margin: 9px 0;
  color: #cce2ea;
  line-height: 1.45;
}

.toast small {
  color: var(--gold);
  font-weight: 850;
}

@media (max-width: 980px) {
  body { padding-top: 126px; }
  .topbar {
    grid-template-columns: 1fr auto;
  }
  .tabs {
    grid-column: 1 / -1;
    justify-content: flex-start;
    padding-bottom: 2px;
  }
  .monitor {
    font-size: 12px;
  }
  .hero-board, .grid, .action-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  body { padding-top: 132px; }
  .topbar {
    gap: 10px;
    padding-left: max(12px, env(safe-area-inset-left));
    padding-right: max(12px, env(safe-area-inset-right));
  }
  .brand small { display: none; }
  .brand strong { font-size: 14px; }
  .mark { width: 40px; height: 40px; }
  .tabs button { padding: 9px 10px; font-size: 13px; }
  .workspace { padding-left: 12px; padding-right: 12px; }
  .price-card, .decision-card, .panel, .signal-command { padding: 15px; }
  h1 { font-size: clamp(38px, 14vw, 64px); }
  .page-head { align-items: stretch; flex-direction: column; }
  .panel-head { align-items: stretch; flex-direction: column; }
  .segmented { width: 100%; }
  .segmented button { width: 100%; }
  canvas { height: 330px; }
  .metrics, .metrics.compact, .signal-duo, .backtest {
    grid-template-columns: 1fr;
  }
  .event, .log-row, .notice-row {
    grid-template-columns: 1fr;
  }
  .event time, .log-row time, .notice-row time {
    font-size: 12px;
  }
}