:root {
  --bg: #06070c;
  --bg-2: #0b0d16;
  --panel: #0f1220;
  --panel-2: #141830;
  --line: #1f2340;
  --text: #e8ecf5;
  --text-dim: #8b93a8;
  --asia: #f0c419;
  --asia-dim: #7a6100;
  --london: #ff4d4d;
  --london-dim: #6a1a1a;
  --ny: #3ea6ff;
  --ny-dim: #123454;
  --ok: #35d089;
  --warn: #ffb84d;
  --err: #ff5c7a;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); font-family: 'Inter', system-ui, sans-serif; -webkit-font-smoothing: antialiased; }

.app { max-width: 1600px; margin: 0 auto; padding: 24px 28px 60px; }

/* ===== Top bar ===== */
.topbar { display: flex; align-items: flex-start; justify-content: space-between; gap: 24px; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
.title h1 { margin: 0; font-size: 30px; letter-spacing: 4px; font-weight: 800; }
.title .sub { margin-top: 6px; color: var(--text-dim); font-size: 13px; letter-spacing: 3px; text-transform: uppercase; }
.controls { display: flex; align-items: center; gap: 16px; }
.tabs { display: inline-flex; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 4px; }
.tab { background: transparent; color: var(--text-dim); border: 0; padding: 8px 14px; font-family: inherit; font-weight: 600; letter-spacing: 1px; cursor: pointer; border-radius: 8px; font-size: 12px; }
.tab.active { background: var(--panel-2); color: var(--text); box-shadow: inset 0 0 0 1px var(--line); }
.tab:hover:not(.active) { color: var(--text); }
.refresh { background: linear-gradient(180deg, #1a2244, #0f1530); color: var(--text); border: 1px solid #2b3670; padding: 10px 16px; font-family: inherit; font-weight: 700; letter-spacing: 1px; font-size: 12px; border-radius: 10px; cursor: pointer; display: inline-flex; align-items: center; gap: 8px; }
.refresh:hover { border-color: #4a5dbf; box-shadow: 0 0 0 3px rgba(74,93,191,.15); }
.refresh:disabled { opacity: .6; cursor: not-allowed; }
.refresh-icon { display: inline-block; font-size: 16px; line-height: 1; }
.refresh.loading .refresh-icon { animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.meta { display: grid; grid-template-columns: auto auto; gap: 4px 12px; font-size: 11px; letter-spacing: .5px; }
.meta-label { color: var(--text-dim); text-transform: uppercase; }
.meta-val { font-family: 'JetBrains Mono', monospace; color: var(--text); }

/* ===== Main grid ===== */
.grid {
  display: grid;
  grid-template-columns: 130px 1fr 130px;
  gap: 0;
  min-height: 460px;
  margin: 20px 0 40px;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: visible;
  background: var(--bg-2);
  position: relative;
}

/* ===== Candlestick chart ===== */
.chart-wrap {
  position: relative;
  width: 100%;
  min-height: 500px;
  background: linear-gradient(180deg, #0a0c14 0%, #06070c 100%);
}
.chart-wrap svg { display: block; width: 100%; height: 500px; }
.zone-label-title { font-family: 'Inter', sans-serif; font-weight: 700; letter-spacing: 2px; }
.zone-label-sub { font-family: 'Inter', sans-serif; font-weight: 500; letter-spacing: 1px; text-transform: uppercase; }
.axis-label { font-family: 'JetBrains Mono', monospace; }
.callout-text { font-family: 'Inter', sans-serif; font-weight: 700; letter-spacing: .5px; }
.callout-pill-text { font-family: 'Inter', sans-serif; font-weight: 800; letter-spacing: .5px; }


/* Rails */
.left-rail, .right-rail { background: var(--bg-2); padding: 18px 10px; display: flex; flex-direction: column; justify-content: center; gap: 20px; font-family: 'JetBrains Mono', monospace; font-size: 12px; }
.rail-group { display: flex; flex-direction: column; gap: 6px; }
.rail-group-hdr { font-size: 10px; letter-spacing: 2px; font-weight: 800; padding-bottom: 3px; border-bottom: 1px solid var(--line); margin-bottom: 3px; }
.rail-group-hdr.asia-hdr   { color: var(--asia); border-color: rgba(240,196,25,.35); }
.rail-group-hdr.london-hdr { color: var(--london); border-color: rgba(255,77,77,.35); }
.rail-group-hdr.ny-hdr     { color: var(--ny); border-color: rgba(62,166,255,.35); }
.rail-level { display: flex; flex-direction: column; gap: 2px; }
.rail-level .lbl { color: var(--text-dim); font-size: 10px; letter-spacing: 1px; text-transform: uppercase; }
.rail-level .val { padding: 3px 6px; border-radius: 4px; font-weight: 700; font-size: 13px; }
.rail-level .val.asia   { background: rgba(240,196,25,.14); color: var(--asia); border: 1px solid rgba(240,196,25,.35); }
.rail-level .val.london { background: rgba(255,77,77,.14); color: var(--london); border: 1px solid rgba(255,77,77,.35); }
.rail-level .val.ny     { background: rgba(62,166,255,.14); color: var(--ny); border: 1px solid rgba(62,166,255,.35); }
.right-rail { align-items: flex-end; text-align: right; }
.right-rail .rail-level { align-items: flex-end; }



/* ===== Footer ===== */
.footer { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--line); }
.foot-block { font-size: 12px; }
.foot-block h3 { font-size: 11px; letter-spacing: 2px; color: var(--text-dim); margin: 0 0 12px; text-transform: uppercase; font-weight: 700; }
.foot-block.edge { border: 1px solid var(--asia-dim); background: rgba(240,196,25,.05); padding: 14px; border-radius: 8px; }
.foot-block.edge h3 { color: var(--asia); margin-bottom: 8px; }
.foot-block.edge div { color: var(--text-dim); font-size: 12px; margin-bottom: 4px; }
.foot-levels { display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; font-family: 'JetBrains Mono', monospace; font-size: 12px; }
.foot-levels .k { color: var(--asia); }
.foot-levels .v { color: var(--text); font-weight: 600; }
.how-list { list-style: none; padding: 0; margin: 0; color: var(--text); }
.how-list li { padding: 3px 0 3px 12px; position: relative; font-size: 12px; line-height: 1.5; }
.how-list li::before { content: "•"; position: absolute; left: 0; color: var(--text-dim); }
.role-row { display: flex; align-items: center; gap: 10px; padding: 4px 0; color: var(--text); font-size: 12px; }
.role-badge { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 10px; letter-spacing: 1.5px; font-weight: 700; }
.asia-badge   { background: rgba(240,196,25,.15); color: var(--asia); border: 1px solid rgba(240,196,25,.4); }
.london-badge { background: rgba(255,77,77,.15); color: var(--london); border: 1px solid rgba(255,77,77,.4); }
.ny-badge     { background: rgba(62,166,255,.15); color: var(--ny); border: 1px solid rgba(62,166,255,.4); }
.legend-row { display: flex; align-items: center; gap: 10px; padding: 4px 0; color: var(--text); font-size: 12px; }
.dash { display: inline-block; width: 26px; height: 0; border-top: 2px dashed; }
.asia-dash { border-color: var(--asia); }
.london-dash { border-color: var(--london); }
.ny-dash { border-color: var(--ny); }

.fine { margin-top: 26px; color: var(--text-dim); font-size: 11px; text-align: center; letter-spacing: .5px; }
.fine a { color: var(--text-dim); text-decoration: underline; }

/* Error state */
.err-banner { margin: 12px 0 0; padding: 12px 14px; background: rgba(255,92,122,.08); border: 1px solid rgba(255,92,122,.4); color: var(--err); border-radius: 8px; font-size: 13px; }
.rail-level .val.pending { color: var(--warn); background: rgba(255,184,77,.08); border: 1px solid rgba(255,184,77,.3); }

/* Responsive */
@media (max-width: 1200px) {
  .grid { grid-template-columns: 100px 1fr 100px; }
  .footer { grid-template-columns: repeat(2, 1fr); }
  .title h1 { font-size: 22px; letter-spacing: 2px; }
}
@media (max-width: 800px) {
  .grid { grid-template-columns: 1fr; }
  .left-rail, .right-rail { flex-direction: row; flex-wrap: wrap; text-align: left; align-items: flex-start; }
  .right-rail .rail-level { align-items: flex-start; }
  .topbar { flex-direction: column; align-items: stretch; }
}

/* ===== The Read panel ===== */
.read-panel {
  margin: 30px 0 24px;
  padding: 22px 26px;
  background: linear-gradient(180deg, #0d1024 0%, #08091a 100%);
  border: 1px solid var(--line);
  border-radius: 14px;
}
.read-header {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.read-eyebrow {
  font-size: 10px;
  letter-spacing: 3px;
  color: var(--text-dim);
  font-weight: 800;
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--panel);
}
.read-header h2 {
  margin: 0;
  font-size: 20px;
  letter-spacing: 1.5px;
  font-weight: 700;
  color: var(--text);
  flex: 1;
}
.read-conf {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 1.5px;
  padding: 4px 10px;
  border-radius: 4px;
  border: 1px solid var(--line);
}
.read-conf.high   { color: var(--ok);   border-color: rgba(53,208,137,.4); background: rgba(53,208,137,.08); }
.read-conf.medium { color: var(--warn); border-color: rgba(255,184,77,.4); background: rgba(255,184,77,.08); }
.read-conf.low    { color: var(--text-dim); background: var(--panel); }
.read-structure {
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 18px;
}
.read-scenarios {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 14px;
  margin-bottom: 14px;
}
.scenario {
  padding: 14px 16px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.015);
}
.scenario.primary { border-left: 3px solid var(--ok);   background: rgba(53,208,137,.04); }
.scenario.alt     { border-left: 3px solid var(--ny);   background: rgba(62,166,255,.04); }
.scenario.trap    { border-left: 3px solid var(--warn); background: rgba(255,184,77,.04); }
.scenario-hdr {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}
.scenario-hdr .kind {
  font-size: 10px;
  letter-spacing: 2px;
  font-weight: 800;
  color: var(--text-dim);
}
.scenario.primary .scenario-hdr .kind { color: var(--ok); }
.scenario.alt     .scenario-hdr .kind { color: var(--ny); }
.scenario.trap    .scenario-hdr .kind { color: var(--warn); }
.scenario-hdr .weight {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-dim);
  padding: 2px 6px;
  border: 1px solid var(--line);
  border-radius: 3px;
}
.scenario-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
  letter-spacing: 0.3px;
}
.scenario-body {
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--text-dim);
}
.scenario-empty { color: var(--text-dim); font-size: 12px; }
.read-invalidation {
  padding: 12px 14px;
  border-radius: 8px;
  background: rgba(255,92,122,.06);
  border: 1px solid rgba(255,92,122,.3);
  color: var(--text);
  font-size: 13px;
  line-height: 1.5;
}
.inval-label {
  color: var(--err);
  font-weight: 800;
  letter-spacing: 1.5px;
  font-size: 11px;
  margin-right: 8px;
}
@media (max-width: 1100px) {
  .read-scenarios { grid-template-columns: 1fr; }
}