:root {
  color-scheme: dark;
  --bg: #0d0d0d;           /* page plane */
  --bg-panel: #1a1a19;     /* chart surface */
  --bg-inset: #111110;
  --border: #2c2c2a;       /* gridline / hairline */
  --text: #ffffff;         /* primary ink */
  --text-2: #c3c2b7;       /* secondary ink */
  --text-dim: #898781;     /* muted */
  --amber: #ff9500;
  --amber-ink: #1a1200;
  --up: #0ca30c;
  --down: #d03b3b;
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #f9f9f7;
  --bg-panel: #fcfcfb;
  --bg-inset: #f2f1ec;
  --border: #e1e0d9;
  --text: #0b0b0b;
  --text-2: #52514e;
  --text-dim: #898781;
  --amber: #b45309;
  --amber-ink: #fffdf8;
  --up: #006300;
  --down: #d03b3b;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'IBM Plex Mono', 'Consolas', 'PingFang SC', 'Hiragino Sans GB',
    'Noto Sans CJK SC', 'Microsoft YaHei', monospace;
  font-size: 13px;
}

/* ---------- header ---------- */

#top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  padding: 10px 16px;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
}

#brand {
  font-weight: 600;
  font-size: 16px;
  letter-spacing: 1px;
}
#brand span { color: var(--amber); }

#controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ctrl-label {
  color: var(--text-dim);
  font-size: 11px;
  letter-spacing: 0.5px;
}

#ticker-input, #years-select {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: inherit;
  font-size: 13px;
  padding: 5px 8px;
  border-radius: 2px;
}

#ticker-input {
  width: 110px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

#ticker-input:focus, #years-select:focus {
  outline: none;
  border-color: var(--amber);
}

#refresh-btn {
  background: var(--amber);
  color: var(--amber-ink);
  border: none;
  font-family: inherit;
  font-weight: 600;
  font-size: 13px;
  padding: 6px 16px;
  border-radius: 2px;
  cursor: pointer;
  letter-spacing: 0.5px;
}
#refresh-btn:hover { filter: brightness(1.1); }

#theme-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-2);
  font-family: inherit;
  font-size: 12px;
  padding: 5px 10px;
  border-radius: 2px;
  cursor: pointer;
}
#theme-btn:hover { border-color: var(--amber); color: var(--amber); }

/* ---------- tabs / status ---------- */

#tab-bar {
  display: flex;
  background: var(--bg-inset);
  border-bottom: 1px solid var(--border);
  padding: 0 12px;
  overflow-x: auto;
}

.tab-btn {
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-dim);
  font-family: inherit;
  font-size: 12px;
  letter-spacing: 0.5px;
  padding: 10px 16px;
  cursor: pointer;
  white-space: nowrap;
}
.tab-btn:hover { color: var(--text); }
.tab-btn.active {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

#status-line {
  padding: 6px 16px;
  font-size: 11px;
  color: var(--text-dim);
  border-bottom: 1px solid var(--border);
  letter-spacing: 0.5px;
}
#status-line.error { color: var(--down); }

/* ---------- content ---------- */

#content {
  padding: 14px 16px;
  transition: opacity 0.15s ease;
}
#content.loading { opacity: 0.4; }

/* metrics bar: one dense row of supporting numbers */

#metrics-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  margin-bottom: 14px;
}

.metric-cell {
  flex: 1 1 100px;
  background: var(--bg-panel);
  padding: 7px 12px;
  min-width: 96px;
}

.metric-label {
  font-size: 10px;
  color: var(--text-dim);
  letter-spacing: 0.5px;
  margin-bottom: 3px;
}

.metric-value {
  font-size: 14px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.metric-value.up { color: var(--up); }
.metric-value.down { color: var(--down); }

/* dashboard grid: chart left, verdict panel right */

#dash-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 14px;
  align-items: start;
}

#chart-wrap {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  padding: 6px;
}

#chart { width: 100%; height: 620px; }

#side-panel {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* verdict tiles: the "so what" layer */

#verdict-tiles {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.verdict-tile {
  background: var(--bg-panel);
  padding: 10px 14px;
}

.verdict-label {
  font-size: 10px;
  color: var(--text-dim);
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.verdict-value {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.5px;
}
.verdict-value.up { color: var(--up); }
.verdict-value.down { color: var(--down); }
.verdict-value.amber { color: var(--amber); }

.verdict-sub {
  font-size: 11px;
  color: var(--text-2);
  margin-top: 3px;
  font-variant-numeric: tabular-nums;
}

.expected-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-top: 6px;
}

.expected-item .metric-label { margin-bottom: 2px; }
.expected-item .metric-value { font-size: 13px; }

.low-n-badge {
  display: inline-block;
  margin-left: 8px;
  padding: 1px 6px;
  font-size: 10px;
  color: var(--down);
  border: 1px solid var(--down);
  border-radius: 2px;
  vertical-align: middle;
}

/* bucket table */

#bucket-wrap {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  padding: 12px 14px;
}

#bucket-wrap h2 {
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.5px;
  margin: 0 0 8px 0;
  font-weight: 500;
}

#bucket-table table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

#bucket-table th {
  text-align: right;
  color: var(--text-dim);
  font-weight: 500;
  padding: 5px 6px;
  border-bottom: 1px solid var(--border);
  letter-spacing: 0.5px;
}
#bucket-table th:first-child { text-align: left; }

#bucket-table td {
  text-align: right;
  padding: 5px 6px;
  border-bottom: 1px solid var(--bg-inset);
}
#bucket-table td:first-child { text-align: left; color: var(--text-2); white-space: nowrap; }

#bucket-table tr.low-n td { opacity: 0.55; }

#bucket-table tr.current-row {
  background: color-mix(in srgb, var(--amber) 10%, transparent);
}
#bucket-table tr.current-row td { opacity: 1; }
#bucket-table tr.current-row td:first-child {
  color: var(--amber);
  font-weight: 600;
}

#bucket-footnote {
  margin-top: 8px;
  font-size: 10px;
  color: var(--text-dim);
}

.up { color: var(--up); }
.down { color: var(--down); }
.amber { color: var(--amber); }
.dim { color: var(--text-dim); }

/* ---------- ratios tool ---------- */

#ratios-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  padding: 10px 14px;
  margin-bottom: 10px;
}

.chip-group {
  display: flex;
  align-items: center;
  gap: 6px;
}

.chip-group-label {
  font-size: 10px;
  letter-spacing: 0.5px;
  margin-right: 2px;
}

.chip {
  display: inline-block;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 600;
  border: 1px solid currentColor;
  border-radius: 2px;
}

.panel-note {
  font-size: 10px;
  color: var(--text-dim);
  letter-spacing: 0.5px;
  margin: 0 0 10px 2px;
}

.sw {
  display: inline-block;
  width: 14px;
  height: 3px;
  vertical-align: middle;
  margin: 0 4px 0 10px;
}
.sw-ratio { background: #2a78d6; }
:root:not([data-theme="light"]) .sw-ratio { background: #3987e5; }
.sw-ma60 { background: var(--amber); }
.sw-ma200 { background: var(--text-dim); }

#ratios-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.ratio-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  padding: 8px 8px 4px;
}

.ratio-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2px 6px 6px;
}

.ratio-card-title {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.ratio-card-name {
  font-size: 10px;
  font-weight: 400;
  color: var(--text-dim);
}

.state-badge {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.5px;
  padding: 1px 7px;
  border: 1px solid currentColor;
  border-radius: 2px;
}

.ratio-chart { width: 100%; height: 300px; }

@media (max-width: 1250px) {
  #ratios-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 780px) {
  #ratios-grid { grid-template-columns: 1fr; }
}

/* ---------- auto-read & help ---------- */

.read-panel {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-left: 3px solid var(--amber);
  padding: 10px 14px;
  margin-bottom: 14px;
}

.read-label {
  font-size: 10px;
  color: var(--text-dim);
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.read-body {
  font-size: 13px;
  line-height: 1.75;
  color: var(--text-2);
}
.read-body .up, .read-body .down, .read-body .amber { font-weight: 600; }

.stats-basis {
  font-size: 10px;
  color: var(--text-dim);
  margin: -4px 0 8px;
  letter-spacing: 0.3px;
}

.collapse {
  margin-top: 14px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
}

.collapse summary {
  padding: 10px 14px;
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.5px;
  cursor: pointer;
  user-select: none;
}
.collapse summary:hover { color: var(--text); }
.collapse[open] summary { border-bottom: 1px solid var(--border); }

.help-panel dl {
  margin: 0;
  padding: 12px 16px;
}

.help-panel dt {
  color: var(--amber);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-top: 10px;
}
.help-panel dt:first-child { margin-top: 0; }

.help-panel dd {
  margin: 4px 0 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--text-2);
}

/* ---------- ma slope tool ---------- */

.metric-sub {
  font-size: 10px;
  color: var(--text-dim);
  margin-top: 2px;
  font-variant-numeric: tabular-nums;
}

#ms-verdicts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  margin-bottom: 14px;
}
#ms-verdicts .verdict-tile { background: var(--bg-panel); }

.tool-controls {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  padding: 8px 12px;
  margin-bottom: 14px;
}

.tool-controls input[type="text"],
.tool-controls input[type="number"] {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: inherit;
  font-size: 12px;
  padding: 4px 8px;
  border-radius: 2px;
}
.tool-controls input[type="text"] { width: 130px; }
.tool-controls input[type="number"] { width: 60px; }
.tool-controls input:focus { outline: none; border-color: var(--amber); }

.tool-controls button {
  background: var(--amber);
  color: var(--amber-ink);
  border: none;
  font-family: inherit;
  font-weight: 600;
  font-size: 12px;
  padding: 5px 14px;
  border-radius: 2px;
  cursor: pointer;
}
.tool-controls button:hover { filter: brightness(1.1); }

.chk {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  color: var(--text-2);
  letter-spacing: 0.5px;
  cursor: pointer;
}
.chk input { accent-color: var(--amber); }

.ctrl-note {
  font-size: 10px;
  color: var(--text-dim);
  margin-left: auto;
  letter-spacing: 0.3px;
}

.table-panel {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  padding: 12px 14px;
  margin-top: 14px;
}

.table-panel h2 {
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.5px;
  margin: 0 0 8px 0;
  font-weight: 500;
}

.data-table table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.data-table th {
  text-align: right;
  color: var(--text-dim);
  font-weight: 500;
  padding: 5px 8px;
  border-bottom: 1px solid var(--border);
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.data-table th:first-child { text-align: left; }

.data-table td {
  text-align: right;
  padding: 5px 8px;
  border-bottom: 1px solid var(--bg-inset);
  white-space: nowrap;
}
.data-table td:first-child { text-align: left; color: var(--text-2); }

.scroll-x { overflow-x: auto; }

#ms-raw {
  margin-top: 14px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
}

#ms-raw summary {
  padding: 10px 14px;
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.5px;
  cursor: pointer;
  user-select: none;
}
#ms-raw summary:hover { color: var(--text); }
#ms-raw[open] summary { border-bottom: 1px solid var(--border); }
#ms-raw .data-table { padding: 8px 14px 12px; max-height: 420px; overflow-y: auto; }

@media (max-width: 780px) {
  #ms-verdicts { grid-template-columns: 1fr; }
}

#footer {
  text-align: center;
  padding: 12px;
  color: var(--text-dim);
  font-size: 10px;
  letter-spacing: 0.5px;
}

/* ---------- responsive ---------- */

@media (max-width: 1100px) {
  #dash-grid { grid-template-columns: 1fr; }
  #chart { height: 540px; }
  #side-panel {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

@media (max-width: 780px) {
  #side-panel { grid-template-columns: 1fr; }
  #chart { height: 480px; }
}