:root {
  --bg0: #0b1220;
  --bg1: #121a2b;
  --panel: #162033;
  --line: #24324a;
  --text: #e8eefc;
  --muted: #93a0b8;
  --accent: #3dd6c6;
  --bull: #3dd68c;
  --bear: #ff6b7a;
  --warn: #f0c674;
  --font: "IBM Plex Sans", "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(1200px 600px at 10% -10%, #1a3358 0%, transparent 55%),
    radial-gradient(900px 500px at 100% 0%, #163a3a 0%, transparent 50%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
  color: var(--text);
  font-family: var(--font);
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.topbar {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
  background: rgba(11, 18, 32, 0.72);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.brand strong {
  font-size: 1.15rem;
  letter-spacing: 0.02em;
}

.brand span {
  color: var(--muted);
  font-size: 0.85rem;
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
}

select, button {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.55rem 0.8rem;
  font: inherit;
}

button {
  cursor: pointer;
  background: linear-gradient(180deg, #214a4a, #1a3a3a);
  border-color: #2f6660;
}

button:hover { filter: brightness(1.08); }

main {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 1rem;
  padding: 1rem 1.25rem 1.5rem;
  flex: 1;
}

@media (max-width: 960px) {
  main { grid-template-columns: 1fr; }
}

.chart-wrap, .side {
  background: rgba(22, 32, 51, 0.88);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
}

.chart-head, .side-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--line);
}

.chart-head h1, .side-head h2 {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
}

.layers {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.85rem;
  padding: 0.55rem 1rem;
  border-bottom: 1px solid var(--line);
  background: rgba(11, 18, 32, 0.35);
}

.layer {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.84rem;
  color: var(--muted);
  cursor: pointer;
  user-select: none;
}

.layer input {
  accent-color: var(--accent);
  width: 0.95rem;
  height: 0.95rem;
  margin: 0;
  cursor: pointer;
}

.layer:has(input:disabled) {
  opacity: 0.45;
  cursor: not-allowed;
}

#chart {
  height: min(68vh, 640px);
  width: 100%;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
  font-size: 0.78rem;
  border: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--mono);
}

.badge.up { color: var(--bull); border-color: rgba(61, 214, 140, 0.35); }
.badge.down { color: var(--bear); border-color: rgba(255, 107, 122, 0.35); }
.badge.sideways { color: var(--warn); border-color: rgba(240, 198, 116, 0.35); }

.side { display: flex; flex-direction: column; max-height: calc(68vh + 3.2rem); }

.side-body {
  padding: 0.85rem 1rem 1rem;
  overflow: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.block {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(11, 18, 32, 0.28);
}

.block > summary {
  list-style: none;
  cursor: pointer;
  user-select: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin: 0;
  padding: 0.7rem 0.8rem;
  color: var(--muted);
}

.block > summary::-webkit-details-marker,
.block > summary::marker {
  display: none;
  content: "";
}

.block-title {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  color: inherit;
}

.block > summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--mono);
  font-size: 1rem;
  line-height: 1;
  color: var(--accent);
}

.block[open] > summary::after {
  content: "−";
}

.block > summary:hover {
  color: var(--text);
  background: rgba(22, 48, 56, 0.35);
}

.block-body {
  padding: 0 0.8rem 0.8rem;
}

.market-text {
  margin: 0;
  line-height: 1.45;
  color: var(--text);
  font-size: 0.92rem;
}

.list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.list li {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.25rem 0.75rem;
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(11, 18, 32, 0.45);
  font-size: 0.88rem;
}

.list .meta {
  grid-column: 1 / -1;
  color: var(--muted);
  font-size: 0.78rem;
  font-family: var(--mono);
}

.pattern-item {
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.pattern-item:focus-visible {
  border-color: rgba(61, 214, 198, 0.45);
  background: rgba(22, 48, 56, 0.55);
  outline: none;
}

.pattern-item.open {
  border-color: rgba(61, 214, 198, 0.45);
  background: rgba(22, 48, 56, 0.55);
}

.pattern-item .hint {
  grid-column: 1 / -1;
  color: var(--muted);
  font-size: 0.72rem;
  opacity: 0.75;
}

.pattern-item.open .hint {
  display: none;
}

.pattern-desc {
  display: none;
  grid-column: 1 / -1;
  margin: 0.15rem 0 0;
  padding-top: 0.4rem;
  border-top: 1px solid var(--line);
  color: var(--text);
  font-size: 0.82rem;
  line-height: 1.45;
}

.pattern-item.open .pattern-desc {
  display: block;
}

.support { color: var(--bull); }
.resistance { color: var(--bear); }
.bullish { color: var(--bull); }
.bearish { color: var(--bear); }
.neutral { color: var(--warn); }
.up { color: var(--bull); }
.down { color: var(--bear); }

.move-item .pattern-desc,
.pattern-item .pattern-desc {
  white-space: pre-line;
}

.footer {
  padding: 0.75rem 1.25rem 1.25rem;
  color: var(--muted);
  font-size: 0.8rem;
}

.status-err { color: var(--bear); }