:root {
  --bg: #0f1115;
  --panel: #151922;
  --panel-hover: #1a1f2b;
  --ink: #e6e9ef;
  --muted: #9aa4b2;
  --radius: 14px;
  --orange: #E69F00;
  --blue: #56B4E9;
  --green: #009E73;
  --purple: #CC79A7;
  --yellow: #F0E442;
  --vermilion: #D55E00;
  --type-title-size: 22px;
  --type-title-line: 1.3;
  --type-title-weight: 600;
  --type-label-size: 14px;
  --type-label-line: 1.5;
  --type-label-weight: 500;
  --type-meta-size: 12px;
  --type-meta-line: 1.5;
  --type-meta-weight: 400;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font: 14px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 20% 20%, color-mix(in srgb, var(--blue) 16%, transparent), transparent 35%),
    radial-gradient(circle at 80% 0%, color-mix(in srgb, var(--orange) 16%, transparent), transparent 32%),
    var(--bg);
}

.page-shell {
  max-width: 2800px;
  margin: 0 auto 60px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
  background: linear-gradient(
    150deg,
    color-mix(in srgb, var(--panel) 80%, transparent),
    color-mix(in srgb, var(--bg) 60%, transparent)
  );
  border: 1px solid color-mix(in srgb, var(--ink) 12%, transparent);
  border-radius: 22px;
  padding: 8px 20px;
  box-shadow: 0 18px 52px color-mix(in srgb, var(--bg) 70%, transparent);
  backdrop-filter: blur(10px);
}

.hero-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  width: 100%;
  min-height: 40px;
}

.hero-text h1 {
  margin: 0;
  font-size: var(--type-title-size);
  line-height: var(--type-title-line);
  font-weight: var(--type-title-weight);
}

.hero-text p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: var(--type-meta-size);
  line-height: var(--type-meta-line);
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.card-surface {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  border-radius: 22px;
  border: 1px solid color-mix(in srgb, var(--ink) 12%, transparent);
  background: linear-gradient(
    165deg,
    color-mix(in srgb, var(--panel) 90%, transparent),
    color-mix(in srgb, var(--bg) 90%, transparent)
  );
  box-shadow: 0 16px 44px color-mix(in srgb, var(--bg) 66%, transparent);
  padding: 16px;
}

.plot-header,
.lfs-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.plot-header h2,
.lfs-header h2 {
  margin: 0;
  font-size: var(--type-title-size);
  line-height: var(--type-title-line);
  font-weight: var(--type-title-weight);
}

.muted {
  color: var(--muted);
}

.small {
  font-size: var(--type-meta-size);
  line-height: var(--type-meta-line);
}

.toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  user-select: none;
}

.toggle input {
  display: none;
}

.toggle-label {
  color: var(--ink);
  font-size: var(--type-label-size);
  line-height: var(--type-label-line);
}

.toggle-knob {
  position: relative;
  width: 42px;
  height: 24px;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--ink) 18%, transparent);
  background: color-mix(in srgb, var(--ink) 10%, transparent);
}

.toggle-knob::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--ink) 90%, transparent);
  transition: transform 0.16s ease;
}

.toggle input:checked + .toggle-label + .toggle-knob {
  background: color-mix(in srgb, var(--orange) 30%, var(--panel));
  border-color: color-mix(in srgb, var(--orange) 50%, transparent);
}

.toggle input:checked + .toggle-label + .toggle-knob::after {
  transform: translateX(18px);
}

.section-divider {
  border-top: 1px solid color-mix(in srgb, var(--ink) 10%, transparent);
}

.mode-grid {
  display: grid;
  gap: 12px;
}

.mode-card {
  border: 1px solid color-mix(in srgb, var(--ink) 12%, transparent);
  border-radius: 20px;
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--panel) 92%, transparent),
    color-mix(in srgb, var(--bg) 92%, transparent)
  );
  padding: 14px;
}

.mode-card.mode-air {
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--purple) 26%, var(--panel)),
    color-mix(in srgb, var(--bg) 92%, transparent)
  );
  --mode-dot: var(--purple);
}

.mode-card.mode-top {
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--blue) 26%, var(--panel)),
    color-mix(in srgb, var(--bg) 92%, transparent)
  );
  --mode-dot: var(--blue);
}

.mode-card.mode-back {
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--green) 26%, var(--panel)),
    color-mix(in srgb, var(--bg) 92%, transparent)
  );
  --mode-dot: var(--green);
}

.mode-card.mode-sides {
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--yellow) 20%, var(--panel)),
    color-mix(in srgb, var(--bg) 92%, transparent)
  );
  --mode-dot: var(--yellow);
}

.mode-card.mode-environment {
  --mode-dot: var(--muted);
}

.badge {
  display: inline-block;
  background: color-mix(in srgb, var(--panel) 72%, var(--bg));
  border: 1px solid color-mix(in srgb, var(--ink) 18%, transparent);
  padding: 3px 8px;
  border-radius: 999px;
  font-size: var(--type-meta-size);
  color: var(--ink);
}

.plot {
  width: 100%;
  min-height: 460px;
  border-radius: 16px;
}

.plot-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.link-row {
  display: inline-flex;
  align-items: center;
}

.ghost-btn {
  border: 1px solid color-mix(in srgb, var(--ink) 16%, transparent);
  background: color-mix(in srgb, var(--panel) 70%, var(--bg));
  color: var(--ink);
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.ghost-btn:hover {
  background: color-mix(in srgb, var(--panel-hover) 90%, var(--bg));
}

.btn-small {
  padding: 6px 10px;
  font-size: var(--type-label-size);
  line-height: var(--type-label-line);
  margin-top: 0;
}

.mode-tabs {
  display: inline-flex;
  gap: 0.4rem;
  background: color-mix(in srgb, var(--ink) 4%, transparent);
  border-radius: 999px;
  padding: 0.2rem;
  backdrop-filter: blur(4px);
}

#dof_cards.mode-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

#dof_cards .mode-card {
  height: auto;
  min-height: 0;
  align-content: normal;
}

.dof-frf-header {
  margin-top: 0;
}

.dof-modes-header {
  padding-top: 2px;
}

@media (max-width: 1400px) {
  #dof_cards.mode-grid {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  }
}

.tab-btn {
  border: none;
  background: transparent;
  color: color-mix(in srgb, var(--ink) 82%, var(--bg));
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  font-size: 0.9rem;
  cursor: pointer;
}

.tab-btn-active {
  background: linear-gradient(
    120deg,
    color-mix(in srgb, var(--blue) 68%, var(--panel)),
    color-mix(in srgb, var(--blue) 84%, var(--ink))
  );
  color: var(--bg);
}

.mode-card.mode-environment {
  --mode-dot: var(--muted);
}

.mode-card.mode-sides {
  --mode-dot: var(--yellow);
}

.dof-card-title {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.mode-meta {
  margin-top: 0.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.mode-value-row {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
}

.mode-whatif-row {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  font-size: 0.78rem;
  font-weight: 650;
  color: color-mix(in srgb, var(--ink) 60%, transparent);
}

.mode-whatif-row,
.mode-whatif-note {
  display: none !important;
}

.mode-whatif-label {
  text-transform: uppercase;
  letter-spacing: 0.3px;
  font-size: 0.62rem;
  color: color-mix(in srgb, var(--ink) 42%, transparent);
}

.mode-whatif-value {
  color: color-mix(in srgb, var(--orange) 95%, transparent);
  font-weight: 700;
  border-bottom: 1px dashed color-mix(in srgb, var(--orange) 60%, transparent);
  padding-bottom: 1px;
}

.mode-whatif-delta {
  font-size: 0.68rem;
  color: color-mix(in srgb, var(--orange) 70%, transparent);
  border: 1px dashed color-mix(in srgb, var(--orange) 50%, transparent);
  border-radius: 999px;
  padding: 0.05rem 0.4rem;
}

.mode-whatif-note {
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
  font-size: 0.7rem;
  font-weight: 650;
  color: color-mix(in srgb, var(--orange) 80%, transparent);
}

.mode-whatif-note-name {
  color: color-mix(in srgb, var(--ink) 90%, transparent);
}

.mode-whatif-note-cents {
  color: color-mix(in srgb, var(--orange) 70%, transparent);
}

.mode-whatif-note-cents.positive {
  color: color-mix(in srgb, var(--orange) 85%, transparent);
}

.mode-whatif-note-cents.negative {
  color: color-mix(in srgb, var(--vermilion) 78%, var(--ink));
}

.param-slider-stack {
  grid-column: 1 / -1;
  position: relative;
  height: 24px;
  display: block;
  margin-top: 0.1rem;
}

.param-slider-stack::before {
  content: "";
  position: relative;
  display: block;
  width: 100%;
  top: 14px;
  border-top: 1px dashed color-mix(in srgb, var(--ink) 20%, transparent);
  pointer-events: none;
}

.param-slider-overlay {
  display: none;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  pointer-events: auto;
  border: none;
  background: transparent;
  z-index: 3;
}

body.whatif-mode .param-slider-overlay {
  display: block;
}

.param-slider-overlay::-webkit-slider-thumb {
  background: transparent;
  border: 1px solid transparent;
  box-shadow: none;
}

.param-slider-overlay::-moz-range-thumb {
  background: transparent;
  border: 1px solid transparent;
  box-shadow: none;
}

.param-slider-overlay.overlay-active::-webkit-slider-thumb {
  background: color-mix(in srgb, var(--orange) 90%, transparent);
  border-color: color-mix(in srgb, var(--orange) 35%, var(--ink));
  box-shadow: 0 0 4px color-mix(in srgb, var(--orange) 45%, transparent);
}

.param-slider-overlay.overlay-active::-moz-range-thumb {
  background: color-mix(in srgb, var(--orange) 90%, transparent);
  border-color: color-mix(in srgb, var(--orange) 35%, var(--ink));
  box-shadow: 0 0 4px color-mix(in srgb, var(--orange) 45%, transparent);
}

.param-slider-delta {
  position: absolute;
  left: 0;
  top: 10px;
  width: 0;
  height: 6px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--orange) 48%, transparent);
  box-shadow: none;
  pointer-events: none;
  opacity: 0;
  transition: opacity 120ms ease, width 120ms ease;
  z-index: 2;
}

.param-slider-delta.active {
  opacity: 1;
}

.param-slider-glow {
  display: none;
  position: absolute;
  top: 9px;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--orange) 80%, var(--ink));
  box-shadow: 0 0 12px color-mix(in srgb, var(--orange) 75%, transparent);
  transform: translateX(-50%);
  opacity: 0.35;
  pointer-events: none;
  z-index: 2;
  transition: opacity 120ms ease;
}

.param-slider-glow.active {
  opacity: 0.95;
}

.param-whatif-row {
  grid-column: 1 / -1;
  display: none;
  align-items: center;
  justify-content: flex-end;
  gap: 0.4rem;
  font-size: 0.68rem;
  line-height: 1.2;
  margin-top: -0.05rem;
}

body.whatif-mode .param-whatif-row {
  display: flex;
}

.param-whatif-value {
  color: color-mix(in srgb, var(--ink) 72%, transparent);
  border: 1px solid color-mix(in srgb, var(--ink) 20%, transparent);
  border-radius: 999px;
  padding: 0.05rem 0.42rem;
  min-width: 62px;
  text-align: right;
  letter-spacing: 0.2px;
}

.param-whatif-delta {
  color: color-mix(in srgb, var(--orange) 60%, transparent);
  border: 1px dashed color-mix(in srgb, var(--orange) 35%, transparent);
  border-radius: 999px;
  padding: 0.05rem 0.45rem;
  min-width: 58px;
  text-align: right;
}

.param-whatif-row.active .param-whatif-value {
  color: color-mix(in srgb, var(--orange) 95%, transparent);
  border-color: color-mix(in srgb, var(--orange) 50%, transparent);
}

.param-whatif-row.active .param-whatif-delta {
  color: color-mix(in srgb, var(--orange) 82%, transparent);
  border-color: color-mix(in srgb, var(--orange) 55%, transparent);
}

.param-grid {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  margin-top: 0.6rem;
}

.param-row {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto auto;
  gap: 0.35rem 0.5rem;
  align-items: center;
}

.param-label {
  font-size: 0.82rem;
  color: color-mix(in srgb, var(--ink) 70%, transparent);
}

.mode-label-alias {
  margin-left: 0.45rem;
  font-size: 0.72rem;
  font-weight: 600;
  color: color-mix(in srgb, var(--ink) 58%, transparent);
}

.param-number {
  width: 92px;
  text-align: right;
}

.param-number {
  border: 1px solid color-mix(in srgb, var(--ink) 10%, transparent);
  background: color-mix(in srgb, var(--ink) 5%, transparent);
  color: var(--ink);
  border-radius: 6px;
  padding: 0.45rem 0.6rem;
}

.param-slider {
  grid-column: 1 / -1;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  padding: 0;
  height: 8px;
  appearance: none;
  background: color-mix(in srgb, var(--ink) 8%, transparent);
  border: none;
  border-radius: 999px;
}

.param-slider::-webkit-slider-thumb {
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--mode-dot, var(--blue));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--bg) 70%, transparent);
  border: 1px solid color-mix(in srgb, var(--ink) 30%, transparent);
}

.param-slider::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--mode-dot, var(--blue));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--bg) 70%, transparent);
  border: 1px solid color-mix(in srgb, var(--ink) 30%, transparent);
}

.param-slider::-webkit-slider-runnable-track {
  height: 8px;
}

.param-slider::-moz-range-track {
  height: 8px;
  background: color-mix(in srgb, var(--ink) 8%, transparent);
  border: none;
}

.card-hidden {
  display: none;
}

.plot-shell {
  position: relative;
}

.plot-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.dof-fit-panel {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid color-mix(in srgb, var(--ink) 8%, transparent);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.dof-fit-copy h3 {
  margin: 0;
  font-size: var(--type-label-size);
  line-height: var(--type-label-line);
  font-weight: 650;
}

.dof-fit-controls {
  display: grid;
  grid-template-columns: repeat(5, minmax(120px, 1fr)) auto auto;
  gap: 10px;
  align-items: end;
}

.dof-fit-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: var(--type-meta-size);
  line-height: var(--type-meta-line);
  font-weight: var(--type-meta-weight);
  color: var(--muted);
}

.dof-fit-field input {
  width: 100%;
  border: 1px solid color-mix(in srgb, var(--ink) 10%, transparent);
  background: color-mix(in srgb, var(--ink) 5%, transparent);
  color: var(--ink);
  border-radius: 8px;
  padding: 0.45rem 0.6rem;
}

.dof-fit-status {
  min-height: 1.2em;
  margin: 0;
}

@media (max-width: 900px) {
  .dof-fit-controls {
    grid-template-columns: 1fr;
    align-items: stretch;
  }
}

.dof-thumb {
  position: absolute;
  transform: translate(-50%, -50%);
  pointer-events: auto;
  cursor: ew-resize;
  --thumb-color: var(--blue);
  touch-action: none;
}

.thumb-hidden {
  display: none;
}

.dof-thumb-label {
  position: absolute;
  left: 50%;
  bottom: 30px;
  transform: translateX(-50%);
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  border: 1px solid color-mix(in srgb, var(--ink) 15%, transparent);
  border-radius: 8px;
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  text-align: center;
  color: var(--ink);
  white-space: nowrap;
  box-shadow: 0 8px 18px color-mix(in srgb, var(--bg) 70%, transparent);
}

.dof-thumb-label span {
  color: var(--thumb-color);
  font-weight: 600;
}

.dof-thumb-stem {
  position: absolute;
  left: 50%;
  bottom: 12px;
  width: 2px;
  height: 20px;
  transform: translateX(-50%);
  background: linear-gradient(180deg, transparent, var(--thumb-color));
  opacity: 0.9;
}

.dof-thumb-halo {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 28px;
  height: 28px;
  transform: translate(-50%, -50%);
  border-radius: 999px;
  background: var(--thumb-color);
  opacity: 0.35;
  filter: blur(6px);
}

.dof-thumb-dot {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 10px;
  height: 10px;
  transform: translate(-50%, -50%);
  border-radius: 999px;
  background: var(--thumb-color);
  border: 2px solid color-mix(in srgb, var(--bg) 70%, transparent);
  box-shadow: 0 0 12px var(--thumb-color);
}

.dof-thumb.dragging .dof-thumb-dot {
  box-shadow: 0 0 18px var(--thumb-color);
}