* { box-sizing: border-box; }

:root {
  --bg: #16171c;
  --bg-soft: #1c1d24;
  --panel: #22242c;
  --panel-border: #31333e;
  --input-bg: #17181e;
  --text: #e9eaee;
  --muted: #9a9daa;
  --accent: #f0a941;
  --accent-soft: rgba(240, 169, 65, 0.15);
  --error: #e46b6b;
  --warning: #e4c76b;
  --ok: #7bd88f;
  --radius: 10px;
  --radius-sm: 7px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}

html { color-scheme: dark; }

/* The hidden attribute always wins, even over display:flex rules */
[hidden] { display: none !important; }

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  font-size: 14px;
  line-height: 1.45;
  background: var(--bg);
  color: var(--text);
}

/* ---------------- Header ---------------- */

header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 10px 22px;
  background: rgba(28, 29, 36, 0.95);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--panel-border);
}

header h1 {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--accent);
  white-space: nowrap;
}

.subtitle { color: var(--muted); font-size: 13px; }

.main-nav { display: flex; gap: 2px; }

.main-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 500;
  padding: 7px 14px;
  border-radius: 999px;
  transition: background 0.15s, color 0.15s;
}

.main-nav a:hover { color: var(--text); background: #2c2e38; }
.main-nav a.active { color: var(--accent); background: var(--accent-soft); }

.auth-area {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
  white-space: nowrap;
}

.avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: block;
  border: 1px solid var(--panel-border);
}

.avatar.small { width: 20px; height: 20px; }

.design-info {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 22px;
  background: var(--bg-soft);
  border-bottom: 1px solid var(--panel-border);
  font-size: 13.5px;
}

/* ---------------- Layout ---------------- */

main {
  display: flex;
  gap: 16px;
  padding: 16px 22px;
  align-items: flex-start;
  max-width: 1600px;
  margin: 0 auto;
}

#sidebar { width: 330px; flex-shrink: 0; }
#editor-area { flex: 1; min-width: 0; }

.panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 14px;
  box-shadow: var(--shadow);
}

.panel h2, #preview-panel summary {
  margin: 0 0 12px;
  font-size: 11.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--muted);
}

/* ---------------- Forms & buttons ---------------- */

.field-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.field-row label { width: 56px; color: var(--muted); font-size: 13px; }

select, input[type="number"], input[type="text"], input[type="search"], textarea {
  background: var(--input-bg);
  color: var(--text);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-sm);
  padding: 7px 10px;
  font-size: 13px;
  font-family: inherit;
  transition: border-color 0.15s;
}

select:focus, input:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
}

select { cursor: pointer; }
input[type="number"] { width: 62px; }
input[type="text"] { flex: 1; min-width: 0; }
textarea { width: 100%; resize: vertical; font-family: ui-monospace, monospace; font-size: 12px; }
input[type="checkbox"] { accent-color: var(--accent); width: 15px; height: 15px; }

button {
  background: #33353f;
  color: var(--text);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-sm);
  padding: 7px 14px;
  font-size: 13px;
  font-family: inherit;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, transform 0.05s;
}

button:hover { background: #3d3f4b; border-color: #454856; }
button:active { transform: translateY(1px); }
button:disabled { opacity: 0.45; cursor: not-allowed; }
button.active { background: var(--accent); color: #1c1408; border-color: var(--accent); }

.tool-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }

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

details > summary { cursor: pointer; user-select: none; }
details[open] > summary { margin-bottom: 8px; }
details .hint { margin-top: 4px; }

.field-row.checks label {
  display: flex;
  align-items: center;
  gap: 6px;
  width: auto;
  font-size: 13px;
  color: var(--text);
  cursor: pointer;
}

.gen-counts span { color: var(--muted); font-size: 13px; width: 52px; }
.gen-counts input[type="number"] { width: 52px; }

.color-row span { color: var(--muted); font-size: 13px; width: 60px; }

input[type="color"] {
  width: 46px;
  height: 28px;
  padding: 2px;
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-sm);
  background: var(--input-bg);
  cursor: pointer;
}

/* ---------------- Rooms list ---------------- */

.room-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  margin-bottom: 4px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background 0.15s, border-color 0.15s;
}

.room-row:hover { background: #2a2c35; }
.room-row.selected { border-color: var(--accent); background: var(--accent-soft); }
.room-swatch { width: 18px; height: 18px; border-radius: 5px; flex-shrink: 0; }
.room-row select { flex: 1; }
.room-row .remove-btn { padding: 2px 9px; }

/* ---------------- Canvases ---------------- */

#canvas-wrap, #iso-wrap {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 10px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

#canvas-wrap { margin-bottom: 14px; text-align: center; }

/* Auto-scale the editor to fit - never scrolls */
#editor-canvas {
  display: inline-block;
  cursor: crosshair;
  max-width: 100%;
  max-height: 74vh;
  width: auto;
  height: auto;
}

#iso-wrap { border: none; box-shadow: none; padding: 0; }
#iso-canvas {
  display: block;
  width: 100%;
  border-radius: var(--radius-sm);
  cursor: grab;
  touch-action: none;
}
#iso-canvas:active { cursor: grabbing; }

.card { cursor: pointer; }

#preview-panel summary { display: list-item; }

/* ---------------- Validation ---------------- */

#validation-list { margin: 0; padding-left: 18px; font-size: 13px; }
#validation-list li { margin-bottom: 3px; }
#validation-list .error { color: var(--error); }
#validation-list .warning { color: var(--warning); }
#validation-list .ok { color: var(--ok); }

/* ---------------- Saved / published lists ---------------- */

#saved-list, #my-designs, #featured-list { max-height: 200px; overflow-y: auto; margin-bottom: 8px; }

.saved-row {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 8px;
  border-radius: var(--radius-sm);
  font-size: 13px;
}

.saved-row:hover { background: #2a2c35; }
.saved-row .name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.saved-row .name.clickable { cursor: pointer; }
.saved-row .name.clickable:hover { color: var(--accent); }

.mini-pager {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin: 6px 0 2px;
}
.mini-pager button { padding: 3px 12px; font-size: 12px; }
.mini-pager .hint { margin: 0; }

/* 3D preview modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.65);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}


.modal-card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 16px;
  max-width: min(700px, 94vw);
  width: 100%;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
  font-weight: 600;
  font-size: 15px;
}

.modal-header button { padding: 2px 10px; font-size: 16px; }

.intro-steps { margin: 0 0 14px; padding-left: 22px; font-size: 14px; line-height: 1.7; }

#publish-tags { margin-bottom: 8px; }

#modal-canvas {
  display: block;
  margin: 0 auto 12px;
  max-width: 100%;
  background: #151b26;
  border-radius: var(--radius-sm);
}
.saved-row button { padding: 3px 9px; font-size: 12px; }

/* ---------------- Browse page ---------------- */

.browse-main {
  display: block;
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 22px;
}

.browse-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.browse-controls .field-row { margin-bottom: 0; }
.browse-controls label { width: auto; }
#search-input { width: 200px; flex: none; }

.tabs { display: flex; gap: 2px; background: var(--input-bg); border-radius: 999px; padding: 3px; }

.tab {
  border: none;
  background: transparent;
  color: var(--muted);
  padding: 6px 16px;
  border-radius: 999px;
  font-weight: 500;
}

.tab:hover { color: var(--text); background: #2c2e38; }
.tab.active { background: var(--accent); color: #1c1408; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
  margin: 16px 0;
}

.card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 7px;
  box-shadow: var(--shadow);
  transition: border-color 0.15s, transform 0.1s;
}

.card:hover { border-color: #454856; transform: translateY(-2px); }

.card-preview {
  width: 100%;
  height: 160px;
  object-fit: contain;
  background: #151b26;
  border-radius: var(--radius-sm);
}

.card-title {
  font-weight: 600;
  font-size: 14.5px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.card-author { display: flex; align-items: center; gap: 7px; font-size: 13px; color: var(--muted); }
.card-author .author-link { cursor: pointer; }
.card-author .author-link:hover { color: var(--accent); text-decoration: underline; }

.user-filter {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 10px 14px;
  margin-top: 14px;
  font-size: 14px;
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin: 8px 0 16px;
}
.card-meta { font-size: 12px; color: var(--muted); }
.card-actions { display: flex; gap: 6px; margin-top: 2px; flex-wrap: wrap; align-items: center; }
.card-actions button { font-size: 12.5px; padding: 6px 12px; }

.like-btn.liked { color: #ff6b81; border-color: #ff6b81; }
.report-flag { color: var(--warning); font-size: 12px; }

.tag-row { display: flex; gap: 5px; flex-wrap: wrap; }

.tag-chip {
  font-size: 11.5px;
  color: var(--muted);
  background: var(--input-bg);
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  padding: 2px 9px;
  cursor: pointer;
}

.tag-chip:hover { color: var(--text); border-color: #454856; }
.tag-chip.selected { background: var(--accent-soft); color: var(--accent); border-color: var(--accent); }
.center { justify-content: center; text-align: center; }

/* ---------------- Footer / status ---------------- */

footer {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  padding: 12px 22px;
  color: var(--muted);
  font-size: 13px;
  min-height: 36px;
  border-top: 1px solid var(--panel-border);
  margin-top: 16px;
}

.credits { font-size: 12px; color: var(--muted); }
.credits a { color: var(--accent); text-decoration: none; }
.credits a:hover { text-decoration: underline; }

#status-message.flash { color: var(--ok); }
#status-message.flash-error { color: var(--error); }

/* ---------------- Scrollbars ---------------- */

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #383b45; border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: #454856; }