.planner-page {
  --plan-ink: #1b1e1a;
  --plan-paper: #f5f2e9;
  --plan-panel: #fffdf7;
  --plan-muted: #55534b;
  --plan-line: #d7d2c5;
  --plan-dark: #151715;
  --plan-raised: #20231d;
  --plan-rule: #353930;
  --plan-cream: #f6efe0;
  --plan-dim: #beb5a2;
  --plan-amber: #ffb547;
  color-scheme: light;
  color: var(--plan-ink);
  background: var(--plan-paper);
}

.planner-page main { padding-top: 0; }
.planner-page [hidden] { display: none !important; }

.planner-page .planner-inner {
  width: min(calc(100% - 40px), 1320px);
  max-width: 1320px;
  margin-inline: auto;
  padding-inline: 0;
}

.planner-hero {
  color: #fff9ed;
  background: var(--plan-dark);
  border-block: 1px solid #38392f;
}

.planner-hero .planner-inner {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  padding-block: clamp(16px, 2.4vw, 28px);
}

.planner-hero h1 {
  margin: 0;
  font-family: var(--display, Barlow, sans-serif);
  font-size: clamp(2.2rem, 4.4vw, 3.4rem);
  line-height: 1;
  letter-spacing: -.01em;
}

.planner-intro p {
  margin: 8px 0 0;
  max-width: 62ch;
  color: #dbd3c2;
  font-size: 1rem;
  line-height: 1.5;
}

.planner-jump {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 12px;
  white-space: nowrap;
  color: var(--plan-amber);
  font-size: .9rem;
  text-decoration: none;
}
.planner-jump:hover { text-decoration: underline; }

.planner-workspace {
  display: grid;
  grid-template-columns: minmax(300px, 352px) minmax(0, 1fr);
  align-items: start;
  margin-top: clamp(14px, 2vw, 24px);
  gap: clamp(12px, 1.6vw, 20px);
}
.planner-panel { grid-column: 1; grid-row: 1; }
.planner-stage { grid-column: 2; grid-row: 1; }

/* Form */
.planner-page .planner-panel,
.planner-page .planner-trailer .tool {
  padding: 18px;
  margin: 0;
  min-width: 0;
  background: var(--plan-panel);
  border: 1px solid var(--plan-line);
  border-radius: 6px;
}

.planner-panel-title,
.planner-guide-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.planner-panel-title h2,
.planner-guide-head h2,
.planner-patterns h2 {
  margin: 0;
  font: 700 1.3rem/1.15 var(--display, Barlow, sans-serif);
  letter-spacing: -.005em;
}

.planner-page fieldset { min-width: 0; border: 0; padding: 0; }

.planner-page .planner-units {
  display: inline-flex;
  margin: 0;
  border: 1px solid var(--plan-line);
  border-radius: 4px;
  overflow: hidden;
}
.planner-units input { position: absolute; opacity: 0; pointer-events: none; }
.planner-units label { position: relative; white-space: nowrap; }
.planner-units span {
  display: grid;
  min-height: 40px;
  align-items: center;
  padding-inline: 10px;
  font: 500 .74rem/1.2 var(--mono, monospace);
  cursor: pointer;
}
.planner-units input:checked + span { background: #292c25; color: #fff8e9; }
.planner-units input:focus-visible + span { outline: 2px solid #9c5f00; outline-offset: -2px; }

.planner-page .planner-group {
  margin: 14px 0 0;
  padding: 12px 0 14px;
  border-top: 1px solid var(--plan-line);
}
.planner-page .planner-group-last { padding-bottom: 0; }

.planner-page .planner-group legend {
  float: left;
  width: 100%;
  padding: 0;
  margin: 0 0 8px;
  color: var(--plan-ink);
  font: 700 .95rem/1.2 var(--body, sans-serif);
}
.planner-group legend + * { clear: both; }

.planner-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.planner-fields + .planner-fields { margin-top: 10px; }
.planner-fields-three { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.planner-page .planner-fields label,
.planner-page .planner-preset-label {
  display: block;
  min-width: 0;
  color: var(--plan-muted);
  font-size: .8125rem;
  line-height: 1.3;
}
.planner-page .planner-preset-label { margin-bottom: 10px; }

.planner-input { position: relative; display: block; margin-top: 4px; }
.planner-input i {
  position: absolute;
  right: 10px;
  top: 50%;
  translate: 0 -50%;
  color: #6b685e;
  font: 500 .72rem/1 var(--mono, monospace);
  font-style: normal;
  pointer-events: none;
}

.planner-page .planner-fields input[type="number"],
.planner-page .planner-preset-label select {
  display: block;
  width: 100%;
  min-height: 44px;
  padding: 8px 9px;
  color: var(--plan-ink);
  background: #fff;
  border: 1px solid #8a867b;
  border-radius: 4px;
  font: 500 1rem/1.2 var(--mono, monospace);
  transition: border-color .15s, box-shadow .15s;
}
.planner-page .planner-preset-label select { margin-top: 4px; }
.planner-page .planner-fields input[type="number"] { padding-right: 38px; appearance: textfield; -moz-appearance: textfield; }
.planner-fields input[type="number"]::-webkit-inner-spin-button,
.planner-fields input[type="number"]::-webkit-outer-spin-button { appearance: none; -webkit-appearance: none; margin: 0; }
.planner-page .planner-fields input[type="number"]:hover { border-color: #55534b; }
.planner-page .planner-fields input[type="number"]:focus-visible,
.planner-page .planner-preset-label select:focus-visible {
  outline: 0;
  border-color: #a85f00;
  box-shadow: 0 0 0 3px #ffb54766;
}
.planner-page .planner-fields input[aria-invalid="true"] { border: 2px solid #9f321f; }
.planner-page .planner-fields input::placeholder { color: #6b685e; font-size: .8125rem; }

.planner-page .planner-fields .planner-check {
  display: flex;
  align-items: center;
  align-self: end;
  gap: 8px;
  min-height: 44px;
  color: var(--plan-ink);
  line-height: 1.25;
  cursor: pointer;
}
.planner-check input { width: 18px; height: 18px; flex: none; margin: 0; padding: 0; accent-color: #a85f00; }

.planner-page a:focus-visible,
.planner-page button:focus-visible,
.planner-page summary:focus-visible { outline: 2px solid #a85f00; outline-offset: 3px; }

.planner-source, .planner-note {
  margin: 8px 0 0;
  color: var(--plan-muted);
  font-size: .84rem;
  line-height: 1.45;
}
.planner-source a { font-weight: 650; }
.planner-source-details { margin-top: 8px; font-size: .84rem; color: var(--plan-muted); }
.planner-source-details summary { min-height: 32px; display: flex; align-items: center; gap: 6px; cursor: pointer; font-weight: 600; }
.planner-source-details summary::before { content: "+"; font: 500 1rem/1 var(--mono, monospace); }
.planner-source-details[open] summary::before { content: "-"; }
.planner-source-details summary::-webkit-details-marker { display: none; }
.planner-notice {
  display: block;
  margin: 12px 0 0;
  padding: 8px 10px;
  background: #fff1db;
  border-left: 3px solid #a85f00;
  color: #5b3400;
  font-size: .88rem;
}

/* Stage */
.planner-stage {
  scroll-margin-top: 16px;
  min-width: 0;
  overflow: hidden;
  border: 1px solid #2f3329;
  border-radius: 6px;
  background: var(--plan-dark);
  color: var(--plan-cream);
}

.planner-viewport {
  position: relative;
  overflow: hidden;
  height: clamp(400px, 58vh, 640px);
  background: #171915;
}
/* Soft falloff toward the corners, like a lit studio floor. */
.planner-viewport::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 85% 80% at 50% 56%, transparent 52%, #0b0c0a99 100%);
  pointer-events: none;
}
.planner-viewport canvas { display: block; width: 100%; height: 100%; touch-action: pan-y; cursor: grab; }
.planner-viewport canvas:active { cursor: grabbing; }
.planner-viewport canvas:focus-visible { outline: 2px solid var(--plan-amber); outline-offset: -4px; }

.planner-labels { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.planner-dim {
  position: absolute;
  left: 0;
  top: 0;
  padding: 2px 6px;
  color: #eadfc6;
  background: #1a1c17e6;
  border: 1px solid #4b4738;
  border-radius: 4px;
  font: 500 .7rem/1.35 var(--mono, monospace);
  white-space: nowrap;
  will-change: transform;
}
.planner-dim[data-tone="focus"] { color: #211809; background: var(--plan-amber); border-color: var(--plan-amber); }
.planner-dim[data-tone="limit"] { color: #ffc3a8; border-color: #8a4a33; }

.planner-hud {
  position: absolute;
  z-index: 2;
  top: clamp(12px, 2vw, 22px);
  left: clamp(14px, 2.2vw, 26px);
  pointer-events: none;
}
.planner-count { display: flex; align-items: baseline; gap: 10px; margin: 0; }
.planner-count strong {
  color: var(--plan-amber);
  font: 700 clamp(3.6rem, 7.6vw, 6.2rem)/.84 var(--display, Barlow, sans-serif);
  font-variant-numeric: tabular-nums;
  letter-spacing: -.01em;
}
.planner-count span { color: var(--plan-cream); font: 600 1.05rem/1 var(--body, sans-serif); }
.planner-count-detail { margin: 8px 0 0; color: var(--plan-dim); font: 500 .8rem/1.3 var(--mono, monospace); }

.planner-view-switch,
.planner-orbit-actions { position: absolute; z-index: 2; display: flex; gap: 4px; }
.planner-view-switch { top: clamp(12px, 2vw, 20px); right: clamp(12px, 2vw, 20px); }
.planner-orbit-actions { right: clamp(12px, 2vw, 20px); bottom: clamp(12px, 2vw, 18px); }

.planner-stage button,
.planner-print-button {
  display: inline-grid;
  place-items: center;
  min-width: 40px;
  min-height: 40px;
  padding: 0 12px;
  font: 600 .84rem/1 var(--body, sans-serif);
  color: #fff9eb;
  background: #24271fe6;
  border: 1px solid #55574a;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color .15s, border-color .15s, transform .1s;
}
.planner-stage button:hover:not(:disabled) { background: #3d3f31; border-color: #7b7a66; }
.planner-stage button:active:not(:disabled) { transform: translateY(1px); }
.planner-stage button[aria-pressed="true"],
.planner-stage .planner-play,
.planner-print-button {
  background: var(--plan-amber);
  border-color: var(--plan-amber);
  color: #211809;
}
.planner-stage .planner-play:hover:not(:disabled),
.planner-stage button[aria-pressed="true"]:hover:not(:disabled),
.planner-print-button:hover:not(:disabled) { background: #ffd18a; border-color: #ffd18a; color: #211809; }
.planner-stage button:disabled,
.planner-print-button:disabled { opacity: .45; cursor: default; }
.planner-stage a:focus-visible, .planner-stage button:focus-visible { outline-color: var(--plan-amber); }
.planner-orbit-actions button:not(:last-child) { padding: 0; font-size: 1.15rem; }

.planner-stage-instructions {
  position: absolute;
  z-index: 2;
  left: clamp(14px, 2.2vw, 26px);
  bottom: clamp(12px, 2vw, 18px);
  margin: 0;
  color: var(--plan-dim);
  font-size: .78rem;
  pointer-events: none;
}
.planner-stage-empty {
  display: grid;
  position: absolute;
  inset: 0;
  place-items: center;
  margin: 0;
  padding: 25px;
  text-align: center;
  color: #ece2cd;
  pointer-events: none;
}
.planner-fallback-map { display: grid; place-items: center; height: 100%; padding: 96px 24px 24px; }
.planner-fallback-map svg { display: block; width: 100%; height: 100%; max-width: 620px; }

.planner-controls {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  border-top: 1px solid var(--plan-rule);
}
.planner-page .planner-scrub {
  display: grid;
  flex: 1;
  gap: 4px;
  min-width: 0;
  color: var(--plan-dim);
  font: 500 .76rem/1.2 var(--mono, monospace);
}
.planner-scrub input {
  width: 100%;
  height: 24px;
  margin: 0;
  padding: 0;
  border: 0;
  background: none;
  accent-color: var(--plan-amber);
  cursor: pointer;
}
.planner-scrub input:focus-visible { outline: 2px solid var(--plan-amber); outline-offset: 2px; }
.planner-scrub input:disabled { opacity: .4; cursor: default; }

/* Pattern cards */
.planner-patterns { padding: 14px 16px 16px; border-top: 1px solid var(--plan-rule); }
.planner-patterns-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 2px 16px; margin-bottom: 10px; }
.planner-patterns .planner-note { margin: 0; color: var(--plan-dim); font-size: .78rem; }
.planner-pattern-list { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 8px; }

.planner-page .pattern-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
  padding: 8px 9px 10px;
  color: var(--plan-cream);
  background: var(--plan-raised);
  border: 1px solid #3b3f34;
  border-radius: 6px;
  font-size: .8rem;
  line-height: 1.3;
  cursor: pointer;
  transition: border-color .15s, background-color .15s, transform .15s;
}
.pattern-card input { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; padding: 0; border: 0; opacity: 0; cursor: pointer; }
.pattern-card:hover { border-color: #77765f; transform: translateY(-2px); }
.pattern-card:has(input:checked) { background: #2b2a1c; border-color: var(--plan-amber); box-shadow: inset 0 0 0 1px var(--plan-amber); }
.pattern-card:has(input:focus-visible) { outline: 2px solid var(--plan-amber); outline-offset: 2px; }
.pattern-card:has(input:disabled) { opacity: .55; cursor: default; transform: none; border-color: #3b3f34; }
.pattern-card:has(input:disabled) input { cursor: default; }
.pattern-card.is-active:not(:has(input:checked)) { border-color: #b98a3c; }
.pattern-thumb { display: block; margin-bottom: 6px; }
.pattern-thumb svg { display: block; width: 100%; aspect-ratio: 5 / 4; }
.pattern-deck { fill: #2d2a20; stroke: #6a5a3c; stroke-width: 1; }
.pattern-box { fill: #d2a467; stroke: #2a1c0a; stroke-width: .9; }
.pattern-box-top { fill: none; stroke: #16110a; stroke-width: 2.2; stroke-linejoin: round; }
.pattern-name { display: flex; align-items: center; gap: 6px; font: 700 1.08rem/1.2 var(--display, Barlow, sans-serif); letter-spacing: .01em; }
.pattern-card.is-best .pattern-name::after {
  content: "Most";
  padding: 2px 5px;
  color: #211809;
  background: var(--plan-amber);
  border-radius: 3px;
  font: 600 .62rem/1.2 var(--body, sans-serif);
  letter-spacing: 0;
}
.pattern-count { color: #fff8e9; font: 500 .76rem/1.35 var(--mono, monospace); }
.pattern-note { color: var(--plan-dim); font-size: .74rem; line-height: 1.35; }

/* Metrics */
.planner-metrics {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 14px 16px 6px;
  border-top: 1px solid var(--plan-rule);
}
.planner-metrics div { min-width: 0; }
.planner-metrics dt { margin: 0; color: var(--plan-dim); font-size: .76rem; }
.planner-metrics dd { margin: 0; color: #fff8e9; font: 500 clamp(1rem, 1.5vw, 1.25rem)/1.4 var(--mono, monospace); overflow-wrap: anywhere; }
.planner-metrics .planner-metric-hint { color: #a59d8b; font: 400 .72rem/1.35 var(--body, sans-serif); }
.planner-summary { margin: 0; padding: 6px 16px 16px; color: var(--plan-cream); font-size: .9rem; line-height: 1.5; }

.planner-guide {
  margin-top: 22px;
  padding: clamp(15px, 2.5vw, 24px);
  border: 1px solid var(--plan-line);
  background: var(--plan-panel);
  border-radius: 6px;
}
.planner-guide-map { margin: 10px 0; }
.planner-guide-map svg { width: min(100%, 440px); height: 225px; display: block; }
.planner-guide-next a { font-size: .86rem; font-weight: 650; }
.planner-map-allowed { fill: none; stroke: #9e5730; stroke-dasharray: 1.2 1.2; }
.planner-map-deck { fill: #f3ecdd; stroke: #695e4d; }
.planner-map-box { fill: #ffc976; stroke: #855010; }
.planner-map-number { fill: #261a09; font-family: var(--mono, monospace); font-weight: 650; }
.planner-fallback-map .planner-map-deck { fill: #2d2a20; stroke: #8a7446; }
.planner-fallback-map .planner-map-allowed { stroke: #ff9868; }

.planner-method {
  display: grid;
  grid-template-columns: 1.45fr 1fr;
  gap: 30px;
  margin-top: 38px;
  padding-top: 28px;
  border-top: 1px solid var(--plan-line);
}
.planner-method h2,
.planner-trailer h2 { margin: 0; font: 700 clamp(1.55rem, 3vw, 2.15rem)/1.2 var(--display, Barlow, sans-serif); }
.planner-method p,
.planner-trailer > p { margin: 8px 0; }
.planner-worked {
  align-self: start;
  padding: 15px 18px;
  border: 1px solid var(--plan-line);
  background: var(--plan-panel);
  border-radius: 6px;
}
.planner-worked h3 { margin: 0; }

.planner-trailer { margin-top: 35px; scroll-margin-top: 20px; }
.planner-trailer .tool { margin-block: 14px 8px; }
.planner-trailer .trailer-fields { grid-template-columns: repeat(auto-fit, minmax(min(155px, 100%), 1fr)); }
.planner-trailer .planner-fields .check { display: flex; align-items: center; gap: 7px; min-height: 44px; }
.planner-trailer .planner-fields .check input { width: 19px; height: 19px; min-height: 0; margin: 0; }
.planner-trailer .result { background: var(--plan-raised); color: #fff9eb; }
.planner-trailer .result .big { color: var(--plan-amber); }

.planner-print-sheet { display: none; }
.planner-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  white-space: nowrap;
  clip-path: inset(50%);
}


.planner-method h3 { margin: 18px 0 6px; }
.planner-pattern-guide { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 24px; margin: 0 0 12px; }
.planner-pattern-guide dt { font-weight: 700; }
.planner-pattern-guide dd { margin: 0; color: var(--plan-muted); font-size: .92rem; line-height: 1.5; }

@media (prefers-reduced-motion: reduce) {
  .planner-page *, .planner-page *::before, .planner-page *::after { transition: none !important; }
}

@media (max-width: 1080px) {
  .planner-metrics { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

/* One column: the 3D view pins to the top while the inputs scroll beneath it. */
@media (max-width: 900px) {
  .planner-workspace { grid-template-columns: minmax(0, 1fr); gap: 10px; margin-top: 0; }
  .planner-stage { display: contents; }
  .planner-stage > *, .planner-panel { grid-column: 1; grid-row: auto; }
  .planner-viewport {
    order: 1;
    position: sticky;
    z-index: 5;
    top: 0;
    height: min(44svh, 400px);
    margin-inline: -20px;
    border-bottom: 1px solid #2f3329;
  }
  .planner-panel { order: 2; }
  .planner-patterns, .planner-controls, .planner-metrics, .planner-summary {
    background: var(--plan-dark);
    color: var(--plan-cream);
    border: 1px solid #2f3329;
    border-radius: 6px;
  }
  .planner-patterns { order: 3; }
  .planner-controls { order: 4; }
  .planner-metrics { order: 5; padding-bottom: 14px; }
  .planner-summary { order: 6; padding: 12px 16px; }
  .planner-pattern-list {
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-auto-columns: 136px;
    overflow-x: auto;
    margin-inline: -16px;
    padding: 4px 16px 6px;
    scroll-snap-type: x proximity;
    scroll-padding-inline: 16px;
  }
  .pattern-card { scroll-snap-align: start; }
  .planner-count strong { font-size: clamp(3rem, 15vw, 4.4rem); }
  .planner-orbit-actions button:not(:last-child):nth-child(-n+2) { display: none; }
}
@media (max-width: 540px) {
  .planner-page .planner-inner { width: calc(100% - 28px); }
  .planner-viewport { margin-inline: -14px; }
  .planner-hero .planner-inner { align-items: start; flex-direction: column; gap: 4px; }
  .planner-hero h1 { font-size: 2rem; }
  .planner-intro p { font-size: .92rem; }
  .planner-method { grid-template-columns: 1fr; gap: 14px; }
  .planner-pattern-guide { grid-template-columns: 1fr; }
  .planner-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .planner-controls { flex-wrap: wrap; gap: 10px; }
  .planner-scrub { order: -1; flex-basis: 100%; }
  .planner-guide-head { align-items: flex-start; flex-wrap: wrap; }
  .planner-page .planner-panel { padding: 15px; }
}

@media print {
  @page { margin: 13mm; }
  .planner-page { background: white; color: black; font: 10pt/1.35 system-ui, sans-serif; }
  .planner-page .no-print { display: none !important; }
  .planner-page .planner-inner { width: 100%; max-width: none; }
  .planner-page .planner-print-sheet:not([hidden]) { display: block; }
  .planner-print-sheet h1 { font-size: 21pt; }
  .planner-print-sheet h2 { margin: 10pt 0 3pt; font-size: 13pt; }
  .planner-print-sheet p { margin: 4pt 0; }
  .planner-print-sheet svg { display: block; width: min(100%, 102mm); height: 55mm; }
  .planner-print-sheet figure { break-inside: avoid; margin: 6pt 0 13pt; }
  .planner-print-sheet figcaption { margin-top: 3pt; }
  .planner-print-sheet .planner-map-deck { fill: #f8f6ef; }
  .planner-print-sheet .planner-map-box { fill: none; stroke: black; }
}
.planner-trailer .result { margin: 0 0 14px; }
.planner-trailer .trailer-result-label { margin: 0 0 4px; color: var(--plan-dim, #c9c0ad); font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; }
.planner-link-button { background: none; border: 0; padding: 0; color: inherit; text-decoration: underline; cursor: pointer; font: inherit; }
.planner-disclaimer { padding-top: 0; color: #a59d8b; font-size: .78rem; }