/* MIKAI ARCHITECT — warm, residential, Scandinavian */

:root {
  --ink: #2b2824;
  --ink-soft: #6a635a;
  --paper: #f7f1e8;
  --paper-2: #efe7db;
  --line: #ddd4c6;
  --accent: #c46a4a;
  --accent-ink: #fffaf5;
  --sage: #6d7f62;
  --shadow: 0 10px 30px rgba(60, 44, 28, 0.10);
  --radius: 14px;
  --font: "Avenir Next", "Segoe UI", "Helvetica Neue", ui-sans-serif, system-ui, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  font-family: var(--font);
  color: var(--ink);
  background: #d8cfc3;
}

#app {
  position: relative;
  display: flex;
  flex-direction: row;
  width: 100%;
  height: 100%;
}

#stage {
  position: relative;
  flex: 1 1 auto;
  min-width: 0;
  height: 100%;
}

#view {
  display: block;
  width: 100%;
  height: 100%;
  outline: none;
  cursor: grab;
}

#view.tool-draw { cursor: crosshair; }
#view.tool-plan { cursor: crosshair; }
#view.tool-wall,
#view.tool-curve {
  cursor: url("cursor-pencil.svg") 2 22, url("cursor-pencil.svg") 2 22, crosshair;
}
#view.tool-orbit { cursor: grab; }
#view.tool-push { cursor: ns-resize; }
#view.tool-paint { cursor: cell; }
#view.tool-select { cursor: default; }
#view.tool-walk { cursor: default; }
#view.tool-library { cursor: copy; }
#view.orbiting { cursor: grabbing; }

.topbar {
  position: absolute;
  top: 16px;
  left: 16px;
  right: 16px;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  pointer-events: none;
}

.topbar > * { pointer-events: auto; }

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px 8px 10px;
  background: rgba(247, 241, 232, 0.92);
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.brand img { display: block; }

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-text strong {
  font-size: 15px;
  letter-spacing: 0.01em;
}

.brand-text span {
  font-size: 11px;
  color: var(--ink-soft);
  margin-top: 2px;
}

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

.pill {
  appearance: none;
  border: 1px solid var(--line);
  background: rgba(247, 241, 232, 0.92);
  color: var(--ink);
  font: inherit;
  font-size: 13px;
  padding: 8px 14px;
  border-radius: 999px;
  box-shadow: var(--shadow);
  cursor: pointer;
  backdrop-filter: blur(10px);
}

.pill:hover:not(:disabled) { background: #fffaf3; }
.pill:disabled { opacity: 0.45; cursor: default; }

.toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  user-select: none;
}

.toggle input { accent-color: var(--accent); }

.rail {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 10px;
  background: rgba(247, 241, 232, 0.92);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  max-height: calc(100% - 140px);
  overflow-y: auto;
}

.tool {
  appearance: none;
  width: 132px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: 13px;
  border-radius: 14px;
  padding: 10px 10px 9px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  cursor: pointer;
  text-align: left;
}

.tool svg {
  width: 22px;
  height: 22px;
}

.tool:hover:not(:disabled) { background: rgba(255, 250, 243, 0.9); }
.tool.active {
  background: #fff;
  border-color: #e4d5c4;
  box-shadow: inset 0 0 0 1px #f3e6d6;
}
.tool.walk.active {
  background: #f8ece4;
  border-color: #e8c4b4;
}
.tool.soon {
  opacity: 0.42;
  cursor: default;
  margin-top: 4px;
  border-top: 1px solid var(--line);
  border-radius: 0 0 14px 14px;
  padding-top: 12px;
}

.palette {
  position: absolute;
  left: 172px;
  top: 50%;
  transform: translateY(-18%);
  z-index: 5;
  width: 248px;
  max-height: 62vh;
  overflow-y: auto;
  padding: 14px;
  background: rgba(247, 241, 232, 0.94);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.palette p {
  margin: 0 0 10px;
  font-size: 12px;
  color: var(--ink-soft);
}

.tex-scale {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 0 0 12px;
}
.tex-scale label {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--ink-soft);
}
.tex-scale input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

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

.swatch {
  appearance: none;
  width: 100%;
  aspect-ratio: 1;
  border-radius: 10px;
  border: 2px solid transparent;
  cursor: pointer;
  box-shadow: inset 0 0 0 1px rgba(60, 44, 28, 0.12);
}

.swatch.active { border-color: var(--ink); }
.swatch.tex {
  background-size: cover;
  background-position: center;
}
.swatch span {
  display: none;
}

.plan-bar {
  position: absolute;
  left: 172px;
  bottom: 64px;
  z-index: 5;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  padding: 8px 10px;
  background: rgba(247, 241, 232, 0.94);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  max-width: min(720px, calc(100% - 200px));
}
.plan-bar[hidden] { display: none; }
.plan-bar .pill {
  padding: 6px 12px;
  font-size: 12px;
  box-shadow: none;
}
.plan-bar .pill.active {
  background: #fff;
  border-color: #e4d5c4;
  box-shadow: inset 0 0 0 1px #f3e6d6;
}
.plan-opacity {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--ink-soft);
  padding: 0 4px;
}
.plan-opacity input[type="range"] {
  width: 72px;
  accent-color: var(--accent);
}
.plan-size {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  color: var(--ink-soft);
  padding: 0 4px;
}
.plan-size input[type="number"] {
  width: 58px;
  padding: 4px 6px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  font: inherit;
  color: var(--ink);
}

.hint {
  position: absolute;
  left: 50%;
  bottom: 22px;
  transform: translateX(-50%);
  z-index: 5;
  padding: 9px 16px;
  background: rgba(247, 241, 232, 0.92);
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: var(--shadow);
  font-size: 13px;
  color: var(--ink-soft);
  pointer-events: none;
  white-space: nowrap;
}

.coach {
  position: absolute;
  left: 50%;
  bottom: 68px;
  transform: translateX(-50%);
  z-index: 6;
  padding: 12px 18px;
  background: #2b2824;
  color: #f7f1e8;
  border-radius: 999px;
  font-size: 14px;
  box-shadow: var(--shadow);
  pointer-events: none;
}

.coach::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -6px;
  width: 10px;
  height: 10px;
  background: #2b2824;
  transform: translateX(-50%) rotate(45deg);
}

.dim-readout {
  position: absolute;
  z-index: 6;
  transform: translate(-50%, -140%);
  padding: 6px 10px;
  background: rgba(43, 40, 36, 0.9);
  color: #fffaf3;
  border-radius: 8px;
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  pointer-events: none;
  letter-spacing: 0.02em;
}

.toast {
  position: absolute;
  top: 76px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 7;
  padding: 10px 16px;
  background: rgba(43, 40, 36, 0.9);
  color: #fffaf3;
  border-radius: 999px;
  font-size: 13px;
  pointer-events: none;
}

.walk-hud {
  position: absolute;
  inset: 0;
  z-index: 4;
  pointer-events: none;
}

.crosshair {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 10px;
  height: 10px;
  transform: translate(-50%, -50%);
  border: 1.5px solid rgba(255, 250, 243, 0.9);
  border-radius: 50%;
  box-shadow: 0 0 0 1px rgba(43, 40, 36, 0.25);
}

.walk-help {
  position: absolute;
  left: 50%;
  bottom: 22px;
  transform: translateX(-50%);
  margin: 0;
  padding: 9px 16px;
  background: rgba(43, 40, 36, 0.72);
  color: #f7f1e8;
  border-radius: 999px;
  font-size: 13px;
  white-space: nowrap;
}

body.walking .topbar,
body.walking .rail,
body.walking .library,
body.walking .plan-bar,
body.walking .palette,
body.walking .hint {
  pointer-events: auto;
  z-index: 8;
}

body.walking .walk-hud {
  pointer-events: none;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.architect {
  flex: 0 0 320px;
  width: 320px;
  height: 100%;
  display: flex;
  flex-direction: column;
  background: rgba(247, 241, 232, 0.96);
  border-left: 1px solid var(--line);
  box-shadow: -8px 0 24px rgba(60, 44, 28, 0.06);
  z-index: 8;
}

.architect[hidden] { display: none; }

.architect-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 16px 16px 12px;
  border-bottom: 1px solid var(--line);
}

.architect-title {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.architect-title strong {
  font-size: 15px;
  letter-spacing: 0.01em;
}

.architect-title span {
  font-size: 11px;
  color: var(--ink-soft);
  margin-top: 3px;
}

.architect-hide {
  appearance: none;
  border: 1px solid var(--line);
  background: #fffaf3;
  color: var(--ink-soft);
  font: inherit;
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  cursor: pointer;
}

.architect-hide:hover { background: #fff; color: var(--ink); }

.architect-msgs {
  flex: 1 1 auto;
  min-height: 0;
  overflow: auto;
  padding: 14px 14px 8px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.msg {
  max-width: 92%;
  padding: 10px 12px;
  border-radius: 14px;
  font-size: 13px;
  line-height: 1.4;
}

.msg p { margin: 0; }

.msg-who {
  display: block;
  font-size: 10px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--sage);
  margin-bottom: 4px;
}

.msg-architect {
  align-self: flex-start;
  background: #fff;
  border: 1px solid #eadfd2;
  color: var(--ink);
  border-bottom-left-radius: 6px;
}

.msg-user {
  align-self: flex-end;
  background: var(--accent);
  color: var(--accent-ink);
  border-bottom-right-radius: 6px;
}

.architect-prompts {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 4px 14px 10px;
}

.architect-prompts[hidden] { display: none; }

.architect-prompts button {
  appearance: none;
  text-align: left;
  border: 1px solid var(--line);
  background: var(--paper-2);
  color: var(--ink);
  font: inherit;
  font-size: 12px;
  line-height: 1.35;
  padding: 8px 10px;
  border-radius: 12px;
  cursor: pointer;
}

.architect-prompts button:hover { background: #fff; }

.architect-compose {
  display: flex;
  gap: 8px;
  align-items: flex-end;
  padding: 10px 12px 14px;
  border-top: 1px solid var(--line);
  background: rgba(247, 241, 232, 0.9);
}

.architect-compose textarea {
  flex: 1 1 auto;
  resize: none;
  min-height: 44px;
  max-height: 120px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-size: 13px;
  line-height: 1.4;
  padding: 8px 10px;
  border-radius: 12px;
  outline: none;
}

.architect-compose textarea:focus {
  border-color: #d2b8a4;
  box-shadow: 0 0 0 3px rgba(196, 106, 74, 0.12);
}

.architect-send {
  appearance: none;
  border: none;
  background: var(--accent);
  color: var(--accent-ink);
  font: inherit;
  font-size: 13px;
  padding: 10px 14px;
  border-radius: 12px;
  cursor: pointer;
}

.architect-send:hover { filter: brightness(1.05); }

.architect-show {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 6;
  appearance: none;
  border: 1px solid var(--line);
  background: rgba(247, 241, 232, 0.94);
  color: var(--ink);
  font: inherit;
  font-size: 12px;
  letter-spacing: 0.04em;
  padding: 12px 8px;
  border-radius: 12px;
  box-shadow: var(--shadow);
  cursor: pointer;
  writing-mode: vertical-rl;
  text-orientation: mixed;
}

.architect-show[hidden] { display: none; }
.architect-show:hover { background: #fffaf3; }

#app.chat-collapsed .architect { display: none; }

@media (max-width: 900px) {
  .rail {
    left: 50%;
    top: auto;
    bottom: 16px;
    transform: translateX(-50%);
    flex-direction: row;
    max-height: none;
    max-width: calc(100% - 24px);
    overflow: auto;
    border-radius: 18px;
  }
  .tool { width: 92px; align-items: center; text-align: center; font-size: 11px; }
  .palette { left: 50%; top: auto; bottom: 118px; transform: translateX(-50%); }
  .hint { bottom: 118px; }
  .brand-text span { display: none; }
  #app { flex-direction: column; }
  .architect {
    flex: 0 0 38%;
    width: 100%;
    height: 38%;
    border-left: none;
    border-top: 1px solid var(--line);
  }
  .architect-show {
    right: 12px;
    top: auto;
    bottom: 16px;
    transform: none;
    writing-mode: horizontal-tb;
    padding: 8px 14px;
    border-radius: 999px;
  }
}

.storey-tabs {
  display: flex;
  gap: 4px;
  padding: 4px;
  background: rgba(247, 241, 232, 0.92);
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}
.storey-tabs button {
  appearance: none;
  border: none;
  background: transparent;
  color: var(--ink-soft);
  font: inherit;
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  cursor: pointer;
}
.storey-tabs button.active {
  background: #fff;
  color: var(--ink);
  box-shadow: inset 0 0 0 1px #e4d5c4;
}

.library {
  position: absolute;
  left: 172px;
  top: 50%;
  transform: translateY(-42%);
  z-index: 6;
  width: 280px;
  max-height: min(72vh, 560px);
  display: flex;
  flex-direction: column;
  padding: 12px;
  background: rgba(247, 241, 232, 0.96);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}
.library[hidden] { display: none; }
.library-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}
.library-head strong { font-size: 14px; }
.library-close {
  appearance: none;
  border: 1px solid var(--line);
  background: #fffaf3;
  color: var(--ink-soft);
  font: inherit;
  font-size: 11px;
  padding: 4px 8px;
  border-radius: 999px;
  cursor: pointer;
}
.library-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 8px;
}
.library-tabs button {
  appearance: none;
  border: 1px solid transparent;
  background: var(--paper-2);
  color: var(--ink);
  font: inherit;
  font-size: 11px;
  padding: 5px 8px;
  border-radius: 999px;
  cursor: pointer;
}
.library-tabs button.active {
  background: #fff;
  border-color: #e4d5c4;
}
.library-search {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-size: 12px;
  padding: 7px 9px;
  border-radius: 10px;
  margin-bottom: 8px;
  outline: none;
}
.library-search:focus { border-color: #d2b8a4; }
.library-list {
  overflow: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 0;
}
.library-item {
  appearance: none;
  text-align: left;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  font: inherit;
  padding: 8px 10px;
  border-radius: 12px;
  cursor: pointer;
}
.library-item:hover { background: #fffaf3; }
.library-item.active { border-color: var(--accent); box-shadow: inset 0 0 0 1px rgba(196,106,74,0.25); }
.library-item strong { display: block; font-size: 13px; }
.library-item span {
  display: block;
  font-size: 11px;
  color: var(--ink-soft);
  margin-top: 2px;
}
.library-empty {
  font-size: 12px;
  color: var(--ink-soft);
  padding: 8px;
}

@media (max-width: 900px) {
  .library {
    left: 50%;
    top: auto;
    bottom: 118px;
    transform: translateX(-50%);
    width: min(320px, calc(100% - 24px));
  }
  .storey-tabs { display: none; }
}

.pill.danger {
  color: #8a3a2a;
  border-color: #e2c4b8;
}
.pill.danger:hover { background: #f6e4dc; }

.swatch-cats { display: flex; flex-wrap: wrap; gap: 6px; padding: 4px 2px 8px; }
.swatch-cat {
  border: 1px solid var(--line); background: var(--paper); border-radius: 999px;
  padding: 3px 9px; font: 11px/1.2 var(--font); color: var(--ink-soft); cursor: pointer;
}
.swatch-cat.active { background: #fff; color: var(--ink); border-color: var(--accent); }
.swatch-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.swatch-chip {
  position: relative; height: 72px; border: 1px solid var(--line); border-radius: 10px;
  background-size: cover; background-position: center; cursor: pointer; overflow: hidden;
}
.swatch-chip span {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 4px 6px;
  background: linear-gradient(transparent, rgba(30,24,18,0.72));
  color: #fff; font: 10px/1.2 var(--font); text-align: left;
}
.swatch-chip.active { border-color: var(--ink); box-shadow: inset 0 0 0 2px #fff; }
.swatch-grid.scenarios { grid-template-columns: repeat(3, 1fr); gap: 8px; }
.swatch-chip.scenario { height: 92px; }
.swatch-chip.scenario span { font-size: 11px; font-weight: 650; padding: 6px 7px; }
.swatch-credit { font: 11px/1.4 var(--font); color: var(--ink-soft); padding: 8px 2px 0; }

.library-list.dense { gap: 4px; }
.library-item.furn { padding: 6px 9px; }
.library-item.furn strong { font-size: 12px; }

.ground-paint {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}
.ground-paint p {
  margin: 0 0 8px;
  font-size: 12px;
  color: var(--ink-soft);
}