:root {
  --bg: #f6f6f6;
  --fg: #111;
  --muted: #555;
  --border: #c8c8c8;
  --panel: #fff;
  --header: #e9e9e9;
  --input: #fff;
  --input-border: #bdbdbd;
  --subpanel: #f9fbf9;
  --range-bg: #f0f1f2;
  --range-outside: #eef0f1;
  --focus: #333;
  --accent: #222;
  --accent-contrast: #fff;
  --run-bg: #d8ffd8;
  --run-border: #78b878;
  --ok: #0a7a20;
  --warn: #9a5b00;
  --err: #b00020;
  --link: #0645ad;
}

[data-theme="dark"] {
  /* phar.gg-inspired dark palette: liquid-black base, charcoal cards, Pharaoh red glow */
  --bg: #0f1114;
  --fg: #f2f2f2;
  --muted: #858c90;
  --border: #313235;
  --panel: #161718;
  --header: #1b1c1d;
  --input: #111113;
  --input-border: #2a2a2a;
  --subpanel: #141111;
  --range-bg: #0e1d27;
  --range-outside: #111113;
  --focus: #d63434;
  --accent: #d63434;
  --accent-contrast: #fff;
  --run-bg: #3d1717;
  --run-border: #d63434;
  --ok: #1fd47e;
  --warn: #f17316;
  --err: #ff4c4c;
  --link: #fa5f5f;
}


[data-theme="dark"] body {
  background:
    radial-gradient(circle at 18% -8%, rgba(214, 52, 52, .22), transparent 34rem),
    radial-gradient(circle at 92% 8%, rgba(202, 41, 41, .16), transparent 28rem),
    linear-gradient(180deg, #0f1114 0%, #111113 48%, #0d1012 100%);
}

[data-theme="dark"] .hero,
[data-theme="dark"] .control-deck,
[data-theme="dark"] .status,
[data-theme="dark"] .primary-card,
[data-theme="dark"] .texture-card,
[data-theme="dark"] .research-suite,
[data-theme="dark"] .research-panel,
[data-theme="dark"] .panel {
  box-shadow: 0 0 0 1px rgba(214, 52, 52, .04), 0 22px 70px rgba(0, 0, 0, .28);
}

[data-theme="dark"] .hero {
  background:
    linear-gradient(135deg, rgba(22, 23, 24, .96), rgba(17, 17, 19, .96)),
    radial-gradient(circle at 86% 0%, rgba(214, 52, 52, .22), transparent 22rem);
}

[data-theme="dark"] .eyebrow,
[data-theme="dark"] .card-kicker {
  color: #d63434;
}

[data-theme="dark"] .range-band {
  background: linear-gradient(90deg, rgba(214, 52, 52, .12), rgba(214, 52, 52, .32));
  border-bottom-color: #d63434;
}

[data-theme="dark"] .range-handle::before {
  background: #d63434;
  box-shadow: 0 0 0 3px rgba(214, 52, 52, .18), 0 0 24px rgba(202, 41, 41, .3);
}

[data-theme="dark"] .range-tag {
  color: #fee2e2;
  background: #3d1717;
}

[data-theme="dark"] .price-pin {
  background: #fa5f5f;
}

[data-theme="dark"] .price-pin em {
  color: #fee2e2;
  background: #531d1d;
}

[data-theme="dark"] .theme-toggle__icon {
  box-shadow: inset -7px -5px 0 #111113, 0 0 24px rgba(214, 52, 52, .45);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 13px;
  line-height: 1.35;
  transition: background-color .18s ease, color .18s ease;
}

.shell {
  width: min(1500px, calc(100vw - 24px));
  margin: 0 auto;
  padding: 12px 0 32px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: 12px;
  margin-bottom: 10px;
  padding: 12px;
  background: var(--panel);
  border: 1px solid var(--border);
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 34px;
  color: var(--fg);
  background: var(--input);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 11px 6px 7px;
  cursor: pointer;
  white-space: nowrap;
}

.theme-toggle__icon {
  position: relative;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: inset -7px -5px 0 rgba(255,255,255,.55);
}

.screenshot-btn {
  min-height: 34px;
  white-space: nowrap;
}


.eyebrow,
.card-kicker {
  margin: 0 0 6px;
  color: var(--muted);
  font-weight: 700;
  text-transform: uppercase;
}

h1 {
  margin: 0 0 6px;
  font-size: 22px;
  line-height: 1.1;
  letter-spacing: 0;
}

.lede {
  margin: 0;
  color: var(--muted);
}

.orb { display: none; }

.control-deck,
.range-actions,
.status,
.primary-card,
.texture-card,
.explain-card,
.research-suite,
.research-panel,
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
}

.control-deck > *,
.scoreboard > *,
.tables > *,
.backtest-visual,
.panel,
.primary-card,
.texture-card,
.explain-card,
.research-suite,
.research-panel {
  min-width: 0;
}

.control-deck {
  display: grid;
  grid-template-columns: minmax(190px, .95fr) minmax(300px, 1.45fr) minmax(260px, 1.25fr) minmax(120px, .6fr) minmax(170px, .75fr) minmax(126px, auto);
  gap: 10px;
  align-items: end;
  padding: 10px;
  margin-bottom: 8px;
}

.mode-field { grid-column: 1; grid-row: 1; }
.pair-field { grid-column: 2; grid-row: 1; }
.day-field { grid-column: 3; grid-row: 1; }
.control-deck > .compact:not(.gas-field) { grid-column: 4; grid-row: 1; }
.gas-field { grid-column: 5; grid-row: 1; }
.run-btn { grid-column: 6; grid-row: 1; align-self: start; margin-top: 19px; }

.custom-field {
  grid-column: 1 / -1;
}

.manual-range-fields {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(2, minmax(180px, 1fr));
  gap: 8px;
  padding: 8px;
  background: var(--subpanel);
  border: 1px dashed #9dc89d;
}

.manual-range-fields[hidden] { display: none; }

.dlmm-fields {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(190px, 1fr) minmax(90px, .45fr) minmax(118px, .55fr) minmax(150px, .65fr) minmax(120px, .5fr) minmax(190px, .9fr);
  gap: 8px;
  padding: 8px;
  background: var(--subpanel);
  border: 1px dashed rgba(214, 52, 52, .62);
}

.dlmm-fields[hidden] { display: none; }

.research-fields {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, minmax(150px, .55fr)) minmax(280px, 1.35fr);
  gap: 8px;
  padding: 8px;
  background:
    linear-gradient(90deg, color-mix(in srgb, var(--subpanel) 92%, var(--accent)) 0 1px, transparent 1px 100%),
    var(--subpanel);
  border: 1px dashed rgba(214, 52, 52, .62);
}

.research-fields[hidden] { display: none; }

.research-control-note {
  align-self: stretch;
  min-height: 53px;
  padding: 9px 11px;
  color: var(--muted);
  background: color-mix(in srgb, var(--panel) 82%, transparent);
  border-left: 3px solid var(--accent);
  font-size: 11px;
  line-height: 1.45;
}

.research-control-note b {
  color: var(--fg);
}

.readonly-value {
  display: flex;
  align-items: center;
  min-height: 34px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--input);
  color: var(--text);
  font-weight: 700;
}

.field {
  display: grid;
  gap: 4px;
  align-self: stretch;
  grid-template-rows: 15px minmax(34px, auto) auto;
}

.field span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.mode-description,
.field-hint {
  margin: 0;
  max-width: 38ch;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.3;
  text-transform: none;
}

.field-hint {
  display: block;
}

.mode-description,
.field-hint {
  min-height: 14px;
}

select,
input,
button {
  font: inherit;
}

select,
input {
  width: 100%;
  height: 36px;
  color: var(--fg);
  background: var(--input);
  border: 1px solid var(--input-border);
  border-radius: 0;
  padding: 6px 8px;
  outline: none;
}

select { appearance: auto; }

input:disabled,
select:disabled {
  color: var(--muted);
  background: color-mix(in srgb, var(--input) 78%, var(--header));
  cursor: not-allowed;
  opacity: .78;
}

.dlmm-sizing-hint {
  grid-column: 1 / -1;
  padding: 7px 9px;
  color: var(--muted);
  background: color-mix(in srgb, var(--panel) 72%, transparent);
  border: 1px solid var(--border);
  font-size: 11px;
  line-height: 1.35;
}

.stepper {
  display: grid;
  grid-template-columns: 1fr 36px 36px;
}

.stepper input {
  border-right: 0;
}

.stepper button {
  height: 36px;
  color: var(--fg);
  background: var(--header);
  border: 1px solid var(--border);
  border-radius: 0;
  cursor: pointer;
}

.stepper button + button {
  border-left: 0;
}

.range-viz {
  grid-column: 1 / -1;
  display: grid;
  gap: 5px;
  margin-top: 2px;
}

.price-unit-toggle {
  grid-column: 1 / -1;
  justify-self: start;
  min-height: 30px;
  color: var(--fg);
  background: var(--input);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 5px 10px;
  cursor: pointer;
}

.range-viz-head {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 12px;
  color: var(--muted);
  font-size: 12px;
}

.range-viz-head strong {
  color: var(--fg);
}

.range-track {
  position: relative;
  height: 116px;
  overflow: hidden;
  background: var(--range-bg);
  border: 1px solid var(--border);
  touch-action: none;
  user-select: none;
}

.range-outside,
.range-band {
  position: absolute;
  top: 0;
  bottom: 28px;
}

.range-outside.left {
  left: 0;
  width: var(--left-outside, 35%);
  background: var(--range-outside);
}

.range-outside.right {
  right: 0;
  width: var(--right-outside, 35%);
  background: var(--range-outside);
}

.range-band {
  left: var(--band-left, 35%);
  width: var(--band-width, 30%);
  background: linear-gradient(90deg, rgba(75, 190, 125, .08), rgba(75, 190, 125, .18));
  border-bottom: 3px solid #31c46c;
}

.range-handle {
  position: absolute;
  top: 0;
  bottom: 28px;
  left: var(--handle-pos, 50%);
  width: 14px;
  transform: translateX(-50%);
  cursor: ew-resize;
  z-index: 6;
}

.range-handle::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 6px;
  bottom: 8px;
  width: 3px;
  transform: translateX(-50%);
  background: #24a95a;
  border-radius: 99px;
  box-shadow: 0 0 0 3px rgba(49, 196, 108, .18);
}

.range-handle::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  width: 8px;
  height: 18px;
  transform: translate(-50%, -50%);
  border-left: 1px solid rgba(255,255,255,.9);
  border-right: 1px solid rgba(255,255,255,.9);
}

.range-handle.max { left: calc(var(--band-left, 35%) + var(--band-width, 30%)); }
.range-handle.min { left: var(--band-left, 35%); }

.price-pin {
  position: absolute;
  top: 0;
  bottom: 28px;
  left: var(--price-pos, 50%);
  width: 2px;
  background: #70a9f8;
  transform: translateX(-1px);
  z-index: 5;
}

.price-pin em {
  position: absolute;
  top: 24px;
  left: 50%;
  transform: translateX(-50%);
  padding: 2px 5px;
  color: #17416e;
  background: #cde4ff;
  border-radius: 3px;
  font-size: 11px;
  font-style: normal;
  white-space: nowrap;
  z-index: 7;
}

.hover-price {
  position: absolute;
  top: 0;
  bottom: 28px;
  left: var(--hover-pos, 50%);
  width: 1px;
  background: rgba(17, 17, 17, .42);
  opacity: 0;
  transform: translateX(-.5px);
  pointer-events: none;
  z-index: 8;
}

.hover-price.visible {
  opacity: 1;
}

.hover-price em {
  position: absolute;
  top: 4px;
  left: 50%;
  transform: translateX(-50%);
  padding: 2px 6px;
  color: #fff;
  background: #111;
  border-radius: 3px;
  font-size: 11px;
  font-style: normal;
  white-space: nowrap;
}

.range-tag {
  position: absolute;
  top: 48px;
  padding: 2px 5px;
  color: #17613b;
  background: #cdebd8;
  border-radius: 3px;
  font-size: 11px;
  white-space: nowrap;
  z-index: 9;
}

.range-tag.min {
  left: var(--band-left, 35%);
  transform: translateX(-50%);
}

.range-tag.max {
  top: 72px;
  left: calc(var(--band-left, 35%) + var(--band-width, 30%));
  transform: translateX(-50%);
}

.range-axis {
  position: absolute;
  bottom: 4px;
  color: #a2a6aa;
  font-size: 10px;
}

.range-axis.min { left: 4px; }
.range-axis.mid { left: 50%; transform: translateX(-50%); }
.range-axis.max { right: 4px; }

select:focus,
input:focus {
  border-color: var(--focus);
}

.segmented {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  min-height: 36px;
  max-height: 76px;
  overflow: visible;
}

.segmented button,
.run-btn,
.ghost-btn,
.dex-btn {
  min-height: 36px;
  color: var(--fg);
  background: var(--header);
  border: 1px solid var(--border);
  border-radius: 0;
  padding: 6px 10px;
  cursor: pointer;
  white-space: nowrap;
}

.dex-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-contrast);
  background: var(--accent);
  border-color: var(--accent);
  font-weight: 800;
  text-decoration: none;
}

.segmented button.active {
  color: var(--accent-contrast);
  background: var(--accent);
  border-color: var(--accent);
}

.run-btn {
  font-weight: 700;
  background: var(--run-bg);
  border-color: var(--run-border);
}

.run-btn:disabled,
.ghost-btn:disabled,
.dex-btn:disabled {
  opacity: .45;
  cursor: not-allowed;
}

.range-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: -2px 0 8px;
  padding: 8px 10px;
}

.range-actions[hidden] {
  display: none;
}

.range-actions p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.backtest-visual {
  margin-bottom: 8px;
  padding: 10px;
  background: var(--panel);
  border: 1px solid var(--border);
}

.status {
  margin: 8px 0;
  padding: 8px 10px;
  color: var(--muted);
}

.status.loading { color: var(--warn); }
.status.error { color: var(--err); }
.status.ok { color: var(--ok); }

.scoreboard {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 8px;
  margin-bottom: 8px;
}

.primary-card,
.texture-card,
.explain-card,
.panel {
  padding: 10px;
}

h2 {
  margin: 0 0 8px;
  font-size: 20px;
  line-height: 1.15;
}

h3 {
  margin: 0;
  font-size: 16px;
  line-height: 1.2;
}

.range-line {
  margin: 0 0 10px;
  color: var(--muted);
}

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

.metric-grid div {
  padding: 8px;
  background: var(--input);
  border: 1px solid var(--border);
}

.metric-grid span {
  display: block;
  font-size: 18px;
  font-weight: 800;
}

.metric-grid small {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 10px;
  text-transform: uppercase;
}

.verdict {
  font-size: 13px;
}

.verdict strong {
  font-weight: 800;
}

.explain-card {
  margin-bottom: 8px;
}

.result-explainer {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 14px;
  color: var(--muted);
}

.result-explainer p {
  margin: 0;
}

.result-explainer strong {
  color: var(--fg);
}

.vol-card {
  grid-column: 1 / -1;
  display: grid;
  gap: 8px;
  padding: 9px;
  color: var(--fg);
  background: linear-gradient(135deg, color-mix(in srgb, var(--input) 86%, var(--accent)), var(--input));
  border: 1px solid var(--border);
}

.vol-card-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
}

.vol-card-head span,
.vol-card p {
  display: block;
  color: var(--muted);
  font-size: 11px;
}

.vol-card-head strong {
  display: block;
  margin-top: 2px;
  font-size: 15px;
}

.vol-card-head em {
  padding: 3px 7px;
  border: 1px solid var(--border);
  font-size: 11px;
  font-style: normal;
  font-weight: 800;
  text-transform: uppercase;
}

.vol-card-head em.normal { color: var(--ok); }
.vol-card-head em.quiet { color: var(--link); }
.vol-card-head em.danger { color: var(--err); }

.vol-grid,
.vol-options {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px;
}

.vol-grid div,
.vol-option {
  min-width: 0;
  padding: 7px;
  background: var(--panel);
  border: 1px solid var(--border);
}

.vol-grid span,
.vol-option b {
  display: block;
  color: var(--fg);
  font-size: 15px;
  font-weight: 800;
}

.vol-grid small,
.vol-option small,
.vol-option span {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 10px;
  text-transform: uppercase;
}

.vol-option.active {
  border-color: var(--accent);
  box-shadow: inset 3px 0 0 var(--accent);
}

.side-vol-options {
  display: grid;
  gap: 5px;
  padding-bottom: 8px;
  margin-bottom: 5px;
  border-bottom: 1px dashed var(--border);
}

.tables {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(320px, .75fr);
  gap: 8px;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 8px;
  margin-bottom: 8px;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--input);
}

th,
td {
  padding: 6px 8px;
  border-bottom: 1px solid var(--border);
  border-right: 1px solid var(--border);
  text-align: right;
  white-space: nowrap;
}

th:first-child,
td:first-child {
  text-align: left;
}

th {
  background: var(--header);
  font-weight: 800;
  color: var(--fg);
  position: sticky;
  top: 0;
}

tr:nth-child(even) td {
  background: var(--subpanel);
}

.width-map {
  display: grid;
  gap: 5px;
  margin-top: 10px;
}

.width-row {
  display: grid;
  grid-template-columns: 70px 1fr 80px;
  gap: 8px;
  align-items: center;
}

.bar {
  height: 10px;
  background: var(--header);
  border: 1px solid var(--border);
}

.bar span {
  display: block;
  height: 100%;
  width: var(--w);
  background: var(--accent);
}

.neg .bar span {
  background: var(--err);
}

.research-suite {
  margin-top: 8px;
  padding: 10px;
  overflow: hidden;
  background:
    linear-gradient(rgba(214, 52, 52, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(214, 52, 52, .035) 1px, transparent 1px),
    var(--panel);
  background-size: 28px 28px;
}

.research-suite[hidden] {
  display: none;
}

.research-suite-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: 20px;
  padding: 10px 10px 16px;
  border-bottom: 1px solid var(--border);
}

.research-suite-head h2 {
  margin: 0 0 6px;
  font-size: clamp(20px, 3vw, 34px);
  line-height: 1;
  letter-spacing: -.04em;
}

.research-suite-head > div > p:last-child {
  max-width: 78ch;
  margin: 0;
  color: var(--muted);
}

.research-guard {
  display: grid;
  min-width: 156px;
  padding: 10px 12px;
  background: var(--input);
  border: 1px solid var(--border);
  border-top: 3px solid var(--muted);
  text-align: right;
}

.research-guard span {
  color: var(--muted);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .08em;
}

.research-guard strong {
  font-size: 18px;
  letter-spacing: .03em;
}

.research-guard.valid { border-top-color: var(--ok); }
.research-guard.valid strong { color: var(--ok); }
.research-guard.caution { border-top-color: var(--warn); }
.research-guard.caution strong { color: var(--warn); }
.research-guard.invalid { border-top-color: var(--err); }
.research-guard.invalid strong { color: var(--err); }

.research-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 8px;
  padding-top: 8px;
}

.research-panel {
  position: relative;
  padding: 12px;
  overflow: hidden;
}

.research-panel::after {
  content: '';
  position: absolute;
  right: -34px;
  bottom: -34px;
  width: 90px;
  height: 90px;
  border: 1px solid color-mix(in srgb, var(--accent) 24%, transparent);
  transform: rotate(45deg);
  pointer-events: none;
}

.accounting-panel,
.frontier-panel,
.optimizer-panel {
  grid-column: span 7;
}

.walk-panel,
.corridor-panel,
.regime-panel,
.crowding-panel {
  grid-column: span 5;
}

.optimizer-panel {
  grid-column: 1 / -1;
}

.research-panel-head {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 9px;
  align-items: start;
  margin-bottom: 10px;
}

.research-panel-head h3 {
  margin: 0;
  font-size: 15px;
  line-height: 1.2;
}

.research-index {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  color: var(--accent-contrast);
  background: var(--accent);
  font-weight: 900;
}

.research-stat-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 5px;
  margin-bottom: 8px;
}

.research-stat-grid.compact {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.research-stat {
  min-width: 0;
  padding: 8px;
  background: color-mix(in srgb, var(--input) 88%, transparent);
  border: 1px solid var(--border);
}

.research-stat span {
  display: block;
  overflow: hidden;
  color: var(--fg);
  font-size: clamp(13px, 1.6vw, 18px);
  font-weight: 900;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.research-stat small {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 9px;
  line-height: 1.25;
  text-transform: uppercase;
}

.research-chart {
  min-height: 220px;
  background: var(--input);
  border: 1px solid var(--border);
}

.research-chart.empty {
  display: grid;
  place-items: center;
  color: var(--muted);
}

.research-chart svg {
  display: block;
  width: 100%;
  height: 220px;
}

.research-chart .grid-line {
  stroke: color-mix(in srgb, var(--border) 74%, transparent);
  stroke-width: 1;
}

.research-chart .equity-area {
  fill: color-mix(in srgb, var(--accent) 14%, transparent);
}

.research-chart .equity-line {
  fill: none;
  stroke: var(--accent);
  stroke-width: 2.2;
  vector-effect: non-scaling-stroke;
}

.research-chart .hodl-line {
  fill: none;
  stroke: var(--muted);
  stroke-width: 1.5;
  stroke-dasharray: 6 5;
  vector-effect: non-scaling-stroke;
}

.research-chart .rebalance-dot {
  fill: #f1b716;
  stroke: #111;
  stroke-width: 1;
}

.research-chart text {
  fill: var(--muted);
  font-size: 10px;
  font-weight: 700;
}

.research-footline {
  margin-top: 7px;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.4;
}

.research-footline strong {
  color: var(--fg);
}

.research-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
}

.research-table-wrap table {
  min-width: 480px;
}

.research-table-wrap th,
.research-table-wrap td {
  padding: 7px 8px;
  font-size: 10px;
}

.corridor-stack {
  display: grid;
  gap: 6px;
}

.corridor-row {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) 72px;
  gap: 8px;
  align-items: center;
  padding: 8px;
  background: var(--input);
  border: 1px solid var(--border);
}

.corridor-row > strong {
  font-size: 12px;
}

.corridor-band {
  position: relative;
  height: 18px;
  overflow: hidden;
  background: color-mix(in srgb, var(--header) 88%, transparent);
}

.corridor-band span {
  position: absolute;
  inset: 3px var(--corridor-inset, 15%);
  background: color-mix(in srgb, var(--accent) 54%, transparent);
  border-inline: 1px solid var(--accent);
}

.corridor-row em {
  color: var(--muted);
  font-size: 10px;
  font-style: normal;
  text-align: right;
}

.corridor-row small {
  grid-column: 1 / -1;
  color: var(--muted);
  font-size: 9px;
}

.research-callout {
  margin: 8px 0 0;
  padding: 10px;
  color: var(--muted);
  background: var(--input);
  border-left: 3px solid var(--warn);
}

.frontier-point {
  fill: color-mix(in srgb, var(--muted) 60%, transparent);
  stroke: var(--panel);
  stroke-width: 1;
}

.frontier-point.pareto {
  fill: var(--accent);
}

.frontier-point.recommended {
  fill: #f1b716;
  stroke: var(--fg);
  stroke-width: 2;
}

.frontier-axis {
  stroke: var(--border);
  stroke-width: 1;
}

.crowding-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 5px;
}

.crowding-cell {
  min-width: 0;
  padding: 8px;
  background: var(--input);
  border: 1px solid var(--border);
}

.crowding-cell b,
.crowding-cell span,
.crowding-cell small {
  display: block;
}

.crowding-cell b {
  min-height: 28px;
  font-size: 10px;
}

.crowding-cell span {
  color: var(--accent);
  font-size: 17px;
  font-weight: 900;
}

.crowding-cell small {
  color: var(--muted);
  font-size: 9px;
}

.optimizer-summary {
  display: grid;
  grid-template-columns: minmax(220px, .8fr) repeat(3, minmax(120px, .45fr));
  gap: 6px;
  margin-bottom: 8px;
}

.optimizer-lead,
.optimizer-metric {
  padding: 9px;
  background: var(--input);
  border: 1px solid var(--border);
}

.optimizer-lead span,
.optimizer-metric small {
  display: block;
  color: var(--muted);
  font-size: 9px;
  text-transform: uppercase;
}

.optimizer-lead strong {
  display: block;
  margin-top: 3px;
  font-size: 15px;
}

.optimizer-metric strong {
  display: block;
  color: var(--fg);
  font-size: 18px;
}

.tick-allocation {
  display: grid;
  gap: 5px;
}

.tick-row {
  display: grid;
  grid-template-columns: 150px minmax(120px, 1fr) 90px 90px;
  gap: 8px;
  align-items: center;
  padding: 7px 8px;
  background: color-mix(in srgb, var(--input) 92%, transparent);
  border: 1px solid var(--border);
  font-size: 10px;
}

.tick-weight {
  height: 9px;
  overflow: hidden;
  background: var(--header);
}

.tick-weight span {
  display: block;
  width: var(--w, 0%);
  height: 100%;
  background: var(--accent);
}

.tick-row em {
  color: var(--muted);
  font-style: normal;
  text-align: right;
}

.footnote {
  margin-top: 8px;
  color: var(--muted);
  font-size: 12px;
}

.footnote p {
  margin: 0 0 6px;
}

.footnote span,
.footnote a {
  color: var(--fg);
  font-weight: 800;
}

.footnote a:hover {
  color: var(--link);
}

.love-note {
  letter-spacing: .01em;
}

.range-view-shell {
  width: min(1500px, calc(100vw - 24px));
  margin: 0 auto;
  padding: 12px 0 24px;
}

.range-view-head,
.range-frame-card {
  background: var(--panel);
  border: 1px solid var(--border);
}

.range-view-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
  margin-bottom: 8px;
  padding: 12px;
}

.range-view-actions {
  display: flex;
  gap: 8px;
}

.range-frame-card {
  padding: 8px;
}

.range-chart {
  min-height: 560px;
  background: var(--input);
  border: 1px solid var(--border);
}

.embedded-chart {
  min-height: 360px;
  background: var(--input);
  border: 1px solid var(--border);
}

.range-chart-svg {
  display: block;
  width: 100%;
  height: min(78vh, 820px);
  min-height: 560px;
}

.range-chart-svg.embedded {
  height: min(52vh, 520px);
  min-height: 360px;
}

.chart-bg {
  fill: var(--input);
}

.chart-plot {
  fill: rgba(22, 23, 24, .72);
  stroke: var(--border);
}

.chart-grid {
  stroke: rgba(133, 140, 144, .2);
  stroke-width: 1;
}

.axis-label,
.time-label,
.chart-title {
  fill: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.chart-title {
  fill: var(--fg);
  font-size: 15px;
}

.time-label.end {
  text-anchor: end;
}

.range-zone {
  fill: rgba(214, 52, 52, .11);
  stroke: rgba(214, 52, 52, .2);
  stroke-width: 1;
}

.chart-out-band {
  fill: rgba(242, 95, 92, .075);
}

.chart-utc-band {
  fill: rgba(241, 183, 22, .26);
}

.close-path {
  fill: none;
  stroke: rgba(242, 242, 242, .34);
  stroke-width: 1.1;
  stroke-linejoin: round;
}

.candle line,
.candle rect {
  stroke-width: 1.2;
  vector-effect: non-scaling-stroke;
}

.candle.up line,
.candle.up rect {
  stroke: #21b785;
  fill: rgba(33, 183, 133, .7);
}

.candle.down line,
.candle.down rect {
  stroke: #f25f5c;
  fill: rgba(242, 95, 92, .68);
}

.candle.clipped line {
  stroke-dasharray: 3 2;
}

.clip-mark {
  fill: none;
  stroke: rgba(133, 140, 144, .86);
  stroke-width: 1.3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.range-chart-svg .range-line {
  stroke: var(--accent);
  stroke-width: 2.4;
  stroke-linecap: square;
  vector-effect: non-scaling-stroke;
}

.range-chart-svg .range-line.current {
  stroke: #70a9f8;
  stroke-width: 1.8;
  stroke-dasharray: 7 7;
}

.range-label rect {
  fill: #ca3333;
  stroke: #df6464;
  rx: 3px;
}

.range-label text {
  fill: var(--accent-contrast);
  font-size: 12px;
  font-weight: 900;
}

.current-label rect {
  fill: #5c8fd8;
  stroke: #70a9f8;
  rx: 3px;
}

.current-label text {
  fill: #ecf6ff;
  font-size: 12px;
  font-weight: 900;
}

.label-leader {
  stroke: rgba(133, 140, 144, .48);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

.chart-rebalance {
  fill: #f1b716;
  stroke: #111;
  stroke-width: 1.2;
  vector-effect: non-scaling-stroke;
}

.visual-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 7px;
  color: var(--muted);
  font-size: 11px;
}

.visual-legend span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.visual-legend i {
  display: inline-block;
  width: 18px;
  height: 9px;
  border: 1px solid var(--border);
}

.legend-range { background: rgba(214, 52, 52, .18); }
.legend-out { background: rgba(242, 95, 92, .24); }
.legend-window { background: rgba(241, 183, 22, .28); }
.legend-rebalance { background: #f1b716; }

.visual-note {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.range-chart-error {
  min-height: 560px;
  display: grid;
  place-content: center;
  gap: 8px;
  color: var(--muted);
  text-align: center;
}

.range-chart-error strong {
  color: var(--fg);
  font-size: 18px;
}

.range-view-note {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 12px;
}

@media (max-width: 1050px) {
  .control-deck,
  .scoreboard,
  .tables,
  .result-explainer {
    grid-template-columns: 1fr;
  }

  .run-btn {
    grid-column: auto;
    grid-row: auto;
    margin-top: 0;
    width: 100%;
  }

  .mode-field,
  .pair-field,
  .day-field,
  .control-deck > .compact:not(.gas-field),
  .gas-field {
    grid-column: auto;
    grid-row: auto;
  }

  .dlmm-fields,
  .research-fields,
  .vol-grid,
  .vol-options {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .research-control-note {
    grid-column: 1 / -1;
  }

  .accounting-panel,
  .frontier-panel,
  .optimizer-panel,
  .walk-panel,
  .corridor-panel,
  .regime-panel,
  .crowding-panel {
    grid-column: 1 / -1;
  }
}

@media (max-width: 780px) {
  .hero,
  .range-view-head {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    justify-content: flex-start;
  }

  .theme-toggle {
    justify-self: start;
  }

  .research-suite-head {
    grid-template-columns: 1fr;
  }

  .research-guard {
    justify-self: stretch;
    text-align: left;
  }

  .range-actions,
  .range-view-actions {
    align-items: stretch;
    flex-direction: column;
  }
}

@media (max-width: 700px) {
  .shell {
    width: calc(100vw - 12px);
    padding-top: 6px;
  }

  .metric-grid {
    grid-template-columns: 1fr 1fr;
  }

  .manual-range-fields,
  .dlmm-fields,
  .research-fields,
  .range-viz-head,
  .vol-grid,
  .vol-options {
    grid-template-columns: 1fr;
  }

  .research-stat-grid,
  .research-stat-grid.compact,
  .crowding-grid,
  .optimizer-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .optimizer-lead {
    grid-column: 1 / -1;
  }

  .tick-row {
    grid-template-columns: 1fr 1fr;
  }

  .tick-weight {
    grid-column: 1 / -1;
  }

  h1 { font-size: 18px; }
}

@media (max-width: 460px) {
  .research-stat-grid,
  .research-stat-grid.compact,
  .crowding-grid,
  .optimizer-summary {
    grid-template-columns: 1fr;
  }

  .corridor-row {
    grid-template-columns: 46px minmax(0, 1fr);
  }

  .corridor-row em {
    grid-column: 1 / -1;
    text-align: left;
  }
}