/* ── Reset ──────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --gold:       #c9a030;
  --gold-light: #f0cc6e;
  --gold-dark:  #806018;
  --bg:         #07070c;
  --panel-bg:   rgba(8, 7, 14, 0.97);
  --card-bg:    #100f1c;
  --border:     #2a2545;
  --accent:     #7c6af7;
  --text:       #e8e0f0;
  --text-dim:   #8880aa;
  --danger:     #c0392b;
  --radius:     10px;
  --font:       'Cormorant Garamond', Georgia, 'Times New Roman', serif;
}

html, body {
  height: 100%;
  overflow: hidden;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
}

/* ── 3D Canvas ───────────────────────────────────────────────────────────── */
#museum-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  transition: filter 0.5s ease;
}

#museum-canvas.dimmed {
  filter: blur(6px) brightness(0.3);
}

/* ── Top gradient veil (contrast for corner HUD elements) ────────────────── */
body::before {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 110px;
  background: linear-gradient(to bottom, rgba(4,3,10,.72) 0%, transparent 100%);
  z-index: 45;
  pointer-events: none;
}

/* ── Floating logo ───────────────────────────────────────────────────────── */
#museum-logo {
  position: fixed;
  top: 24px; left: 28px;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 10px;
  pointer-events: none;
  user-select: none;
}

.logo-glyph {
  font-size: 1.3rem;
  color: var(--gold-light);
  text-shadow: 0 1px 6px rgba(0,0,0,.8);
}

.logo-text {
  font-size: 1.05rem;
  letter-spacing: .14em;
  color: #f5e8c0;
  font-style: italic;
  font-weight: 300;
  text-shadow: 0 1px 6px rgba(0,0,0,.9);
}

/* ── Top-right HUD ───────────────────────────────────────────────────────── */
#hud-topright {
  position: fixed;
  top: 18px; right: 22px;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 10px;
}

.auth-area {
  display: flex;
  align-items: center;
  gap: 7px;
}

.auth-name {
  color: #f5e8c0;
  font-style: italic;
  font-size: 1rem;
  letter-spacing: .04em;
  text-shadow: 0 1px 5px rgba(0,0,0,.9);
}

.auth-input {
  background: rgba(4,3,10,.7);
  border: 1px solid rgba(201,160,48,.35);
  color: #f0e8d8;
  padding: 7px 14px;
  border-radius: 6px;
  font-size: .88rem;
  width: 160px;
  font-family: inherit;
  outline: none;
  transition: border-color .2s, background .2s;
  backdrop-filter: blur(10px);
}

.auth-input:focus { border-color: var(--gold); background: rgba(4,3,10,.88); }
.auth-input::placeholder { color: rgba(200,180,140,.5); font-style: italic; }

.hud-pill {
  background: rgba(4,3,10,.78);
  border: 1px solid rgba(201,160,48,.45);
  color: #f0d98a;
  padding: 7px 18px;
  border-radius: 20px;
  font-family: inherit;
  font-size: .88rem;
  font-style: italic;
  letter-spacing: .06em;
  cursor: pointer;
  backdrop-filter: blur(12px);
  transition: background .2s, border-color .2s, color .2s;
  text-shadow: 0 1px 4px rgba(0,0,0,.7);
}

.hud-pill:hover {
  background: rgba(201,160,48,.15);
  border-color: rgba(201,160,48,.7);
  color: var(--gold-light);
}

/* ── FAB buttons (bottom corners) ───────────────────────────────────────── */
.fab {
  position: fixed;
  bottom: 32px;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  background: rgba(8,7,14,.82);
  border: 1px solid rgba(201,160,48,.35);
  border-radius: 40px;
  color: rgba(240,204,110,.9);
  font-family: inherit;
  font-size: 1rem;
  font-style: italic;
  letter-spacing: .08em;
  cursor: pointer;
  text-decoration: none;
  backdrop-filter: blur(12px);
  transition: background .25s, border-color .25s, color .25s, transform .2s, box-shadow .25s;
  box-shadow: 0 4px 20px rgba(0,0,0,.4);
}

.fab:hover {
  background: rgba(201,160,48,.14);
  border-color: rgba(201,160,48,.7);
  color: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(201,160,48,.15);
}

.fab--left  { left: 32px; }
.fab--right { right: 32px; }

.fab-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px; height: 20px;
  flex-shrink: 0;
  font-size: 1rem;
}

.fab-label {
  font-size: .95rem;
}

/* ── Room hint ───────────────────────────────────────────────────────────── */
#room-hint {
  position: fixed;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 40;
  background: rgba(7,7,12,.6);
  border: 1px solid rgba(201,160,48,.22);
  border-radius: 20px;
  padding: 7px 22px;
  font-size: .78rem;
  font-style: italic;
  color: rgba(201,160,48,.65);
  letter-spacing: .1em;
  backdrop-filter: blur(6px);
  pointer-events: all;
  cursor: default;
  transition:
    opacity .5s,
    color .25s,
    border-color .25s,
    background .25s,
    box-shadow .25s,
    transform .25s;
  white-space: nowrap;
  user-select: none;
}

#room-hint:hover {
  color: #f0cc6e;
  border-color: rgba(201,160,48,.65);
  background: rgba(201,160,48,.1);
  box-shadow: 0 0 18px rgba(201,160,48,.18), 0 0 6px rgba(201,160,48,.12);
  transform: translateX(-50%) translateY(-2px);
}

#room-hint.hidden { opacity: 0; pointer-events: none; }

/* ── Side panels ─────────────────────────────────────────────────────────── */
.side-panel {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  width: min(960px, 100vw);
  z-index: 60;
  background: var(--panel-bg);
  border-left: 1px solid var(--border);
  transform: translateX(100%);
  transition: transform .45s cubic-bezier(.22,.68,0,1.1);
  overflow: hidden;
}

.side-panel.open { transform: translateX(0); }

.panel-scroll {
  height: 100%;
  overflow-y: auto;
  padding: 64px 44px 60px;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.panel-close {
  position: absolute;
  top: 20px; right: 22px;
  background: none;
  border: 1px solid var(--border);
  color: var(--text-dim);
  width: 34px; height: 34px;
  border-radius: 6px;
  cursor: pointer;
  font-size: .9rem;
  font-family: inherit;
  transition: color .2s, border-color .2s;
  z-index: 2;
}

.panel-close:hover { color: var(--text); border-color: var(--text-dim); }

.panel-head {
  margin-bottom: 36px;
}

.panel-head h2 {
  font-size: 2.2rem;
  font-weight: 300;
  font-style: italic;
  letter-spacing: .1em;
  color: var(--gold-light);
  margin-bottom: 8px;
  line-height: 1.1;
}

.panel-head p {
  color: var(--text-dim);
  font-style: italic;
  font-size: 1rem;
  letter-spacing: .04em;
}

/* ── Create layout ───────────────────────────────────────────────────────── */
.create-layout {
  display: grid;
  grid-template-columns: 460px 1fr;
  gap: 40px;
  align-items: start;
}

@media (max-width: 860px) {
  .create-layout { grid-template-columns: 1fr; }
}

/* ── Drawing toolbar ─────────────────────────────────────────────────────── */
.canvas-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.draw-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  padding: 8px 12px;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.tool {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-dim);
  width: 32px; height: 32px;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color .15s, border-color .15s, background .15s;
  flex-shrink: 0;
}

.tool:hover  { color: var(--text); border-color: var(--border); background: rgba(255,255,255,.05); }
.tool.active { color: var(--gold); border-color: rgba(201,160,48,.5); background: rgba(201,160,48,.1); }

.tool-sep {
  width: 1px; height: 20px;
  background: var(--border);
  flex-shrink: 0;
}

.color-picker {
  width: 32px; height: 32px;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2px;
  background: rgba(255,255,255,.06);
  cursor: pointer;
  flex-shrink: 0;
}

.color-swatches {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.swatch {
  width: 18px; height: 18px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.15);
  background: var(--c);
  cursor: pointer;
  transition: transform .15s, box-shadow .15s;
  flex-shrink: 0;
}

.swatch:hover { transform: scale(1.25); box-shadow: 0 0 6px rgba(255,255,255,.3); }

.brush-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  min-width: 100px;
}

.brush-row input[type=range] {
  flex: 1;
  accent-color: var(--gold);
}

.brush-preview {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #ffffff;
  flex-shrink: 0;
  transition: width .1s, height .1s;
  box-shadow: 0 0 4px rgba(255,255,255,.4);
}

/* ── Canvas frame ────────────────────────────────────────────────────────── */
.canvas-frame {
  position: relative;
  border-radius: 4px;
  overflow: hidden;
  box-shadow:
    0 0 0 1px var(--border),
    0 0 0 3px rgba(201,160,48,.08),
    0 0 0 4px rgba(42,37,69,.6),
    0 8px 32px rgba(0,0,0,.5);
}

#draw-canvas {
  width: 100%;
  aspect-ratio: 1;
  display: block;
  background: #0f0d1e;
  cursor: crosshair;
  touch-action: none;
}

/* ── Controls column ─────────────────────────────────────────────────────── */
.ctrl-col {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field-label {
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-dim);
  font-style: normal;
  font-family: inherit;
}

textarea {
  background: rgba(255,255,255,.05);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-family: inherit;
  font-size: 1rem;
  font-style: italic;
  line-height: 1.7;
  padding: 14px 16px;
  resize: vertical;
  outline: none;
  width: 100%;
  transition: border-color .2s;
}

textarea:focus { border-color: rgba(201,160,48,.5); }
textarea::placeholder { color: var(--text-dim); font-style: italic; }

.slider-label {
  display: flex;
  justify-content: space-between;
  font-size: .88rem;
  color: var(--text-dim);
  font-style: italic;
}

.slider-num { color: var(--gold); font-style: normal; }

.field-group input[type=range] { width: 100%; accent-color: var(--gold); }

.slider-hints {
  display: flex;
  justify-content: space-between;
  font-size: .72rem;
  color: var(--text-dim);
  font-style: italic;
}

/* ── Materialize button ──────────────────────────────────────────────────── */
.btn-materialize {
  background: linear-gradient(135deg, rgba(201,160,48,.9), rgba(140,100,20,.9));
  color: #0a0808;
  border: none;
  padding: 14px 24px;
  border-radius: 8px;
  font-family: inherit;
  font-size: 1.05rem;
  font-style: italic;
  font-weight: 600;
  letter-spacing: .06em;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  transition: opacity .2s, transform .15s, box-shadow .2s;
  box-shadow: 0 4px 20px rgba(201,160,48,.25);
}

.btn-materialize:hover {
  opacity: .9;
  transform: translateY(-1px);
  box-shadow: 0 6px 28px rgba(201,160,48,.35);
}

.btn-materialize:disabled { opacity: .45; cursor: not-allowed; transform: none; }

/* ── Common buttons ──────────────────────────────────────────────────────── */
.btn-gold {
  background: var(--gold);
  color: #0a0808;
  border: none;
  padding: 11px 20px;
  border-radius: 8px;
  font-family: inherit;
  font-size: .92rem;
  font-weight: 600;
  letter-spacing: .04em;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: background .2s, opacity .2s;
}

.btn-gold:hover    { background: var(--gold-light); }
.btn-gold:disabled { opacity: .5; cursor: not-allowed; }

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  padding: 10px 20px;
  border-radius: 8px;
  font-family: inherit;
  font-size: .9rem;
  cursor: pointer;
  transition: border-color .2s, color .2s;
}

.btn-outline:hover { border-color: var(--gold); color: var(--gold); }

.btn-outline-sm {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: 6px;
  font-family: inherit;
  font-size: .82rem;
  cursor: pointer;
  transition: border-color .2s, color .2s;
}

.btn-outline-sm:hover { border-color: var(--gold); color: var(--gold); }

.btn-ghost {
  background: transparent;
  color: var(--text-dim);
  border: none;
  padding: 8px 16px;
  border-radius: 8px;
  font-family: inherit;
  font-size: .88rem;
  font-style: italic;
  cursor: pointer;
  transition: color .2s;
  width: 100%;
}

.btn-ghost:hover { color: var(--text); }

.btn-danger {
  background: transparent;
  color: var(--danger);
  border: 1px solid var(--danger);
  padding: 10px 20px;
  border-radius: 8px;
  font-family: inherit;
  font-size: .9rem;
  cursor: pointer;
}

.btn-danger:hover { background: rgba(192,57,43,.1); }

/* ── Spinner ─────────────────────────────────────────────────────────────── */
.spinner {
  width: 16px; height: 16px;
  border: 2px solid rgba(0,0,0,.3);
  border-top-color: #0a0808;
  border-radius: 50%;
  animation: spin .7s linear infinite;
  display: inline-block;
  flex-shrink: 0;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ── Result diptych ──────────────────────────────────────────────────────── */
.result-area { display: flex; flex-direction: column; gap: 14px; }

.result-diptych {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 10px;
  align-items: center;
}

.res-side { display: flex; flex-direction: column; gap: 5px; }

.res-label {
  font-size: .68rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-dim);
  text-align: center;
  font-style: normal;
}

.result-diptych img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 4px;
  border: 1px solid var(--border);
  display: block;
}

.res-arrow { color: var(--gold); font-size: 1.4rem; flex-shrink: 0; }

.save-area { display: flex; flex-direction: column; gap: 8px; }

.save-btns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.save-btns .btn-gold { font-size: .85rem; padding: 10px 12px; }

.auth-notice {
  text-align: center;
  color: var(--text-dim);
  font-style: italic;
  font-size: .9rem;
  padding: 8px;
}

/* ── My Gallery grid ─────────────────────────────────────────────────────── */
.dream-grid {
  columns: 2;
  column-gap: 18px;
}

@media (max-width: 600px) { .dream-grid { columns: 1; } }

.dream-card {
  break-inside: avoid;
  margin-bottom: 18px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: transform .2s, border-color .2s;
}

.dream-card:hover { transform: translateY(-2px); border-color: rgba(201,160,48,.4); }

.card-diptych {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.card-diptych img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  display: block;
}

.card-info { padding: 10px 12px; }

.card-desc {
  font-size: .9rem;
  color: var(--text-dim);
  font-style: italic;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.card-vis {
  font-size: .72rem;
  color: var(--gold-dark);
  margin-top: 5px;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.empty-state {
  color: var(--text-dim);
  font-style: italic;
  text-align: center;
  padding: 50px 20px;
  font-size: 1rem;
}

/* ── Modal ───────────────────────────────────────────────────────────────── */
.modal {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal.hidden { display: none; }

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.85);
  backdrop-filter: blur(10px);
}

.modal-box {
  position: relative;
  background: rgba(10,9,18,.97);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 40px;
  max-width: 860px;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 18px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 0 60px rgba(0,0,0,.6);
}

.modal-close {
  position: absolute;
  top: 16px; right: 16px;
  background: none;
  border: 1px solid var(--border);
  color: var(--text-dim);
  width: 32px; height: 32px;
  border-radius: 6px;
  cursor: pointer;
  font-size: .9rem;
  font-family: inherit;
  transition: color .2s;
}

.modal-close:hover { color: var(--text); }

.modal-diptych {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 14px;
  align-items: center;
}

.modal-side { display: flex; flex-direction: column; gap: 6px; }

.modal-lbl {
  font-size: .68rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-dim);
  text-align: center;
}

.modal-diptych img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--border);
  display: block;
}

.modal-arrow { color: var(--gold); font-size: 2rem; flex-shrink: 0; }

.modal-desc {
  text-align: center;
  font-style: italic;
  font-size: 1.15rem;
  color: var(--text-dim);
  line-height: 1.7;
  padding: 0 20px;
}

.modal-meta {
  text-align: center;
  font-size: .82rem;
  color: rgba(201,160,48,.5);
  letter-spacing: .06em;
}

.modal-owner {
  display: flex;
  gap: 10px;
  justify-content: center;
}

/* ── Utility ─────────────────────────────────────────────────────────────── */
.hidden { display: none !important; }