:root {
  color-scheme: dark;
  --bg: #15141f;
  --panel: #1f1e2e;
  --panel2: #262539;
  --text: #ece9f7;
  --muted: #9b97b3;
  --accent: #7c6cf0;
  --accent2: #4cc9f0;
  --accent2-text: #4cc9f0;
  --danger: #ff6b81;
  --border: #35344a;
  --site-bg: radial-gradient(1200px 800px at 20% -10%, #2a2750 0%, #15141f 60%);
  --board-bg: #0c0b14;
  --board-grid: rgba(255, 255, 255, 0.05);
  --topbar-bg: rgba(20, 19, 31, 0.8);
  --topbar-text: #ece9f7;
  --topbar-muted: #9b97b3;
  --topbar-border: #35344a;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; }
body {
  background: var(--site-bg);
  color: var(--text);
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px;
  border-bottom: 1px solid var(--topbar-border);
  background: var(--topbar-bg);
  color: var(--topbar-text);
  position: sticky; top: 0; z-index: 50;
  flex-shrink: 0;
  backdrop-filter: blur(6px);
}
.brand { font-size: 1.2rem; font-weight: 700; }
.who { display: none; align-items: center; gap: 10px; color: var(--topbar-muted); }
.who:not([hidden]) { display: flex; }
.topbar .btn.ghost, .game-header .btn.ghost { color: var(--topbar-text); border-color: var(--topbar-border); }

main#app { max-width: 1100px; margin: 0 auto; padding: 24px; width: 100%; flex: 1 1 auto; min-height: 0; }
.view { display: none; }
.view.visible { display: block; }

/* While the game view is active, the board takes over the whole viewport
   below the header, and panning/zooming replaces normal page scroll. */
body.in-game { height: 100vh; overflow: hidden; }
body.in-game main#app {
  max-width: none; margin: 0; padding: 0; height: 100%;
  display: flex; flex-direction: column; min-height: 0; overflow: hidden;
}
body.in-game .view#view-game.visible { flex: 1 1 auto; display: flex; flex-direction: column; min-height: 0; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
  margin-bottom: 20px;
}

.btn {
  border: none; border-radius: 10px; padding: 10px 18px;
  font-size: 0.95rem; font-weight: 600; cursor: pointer;
  transition: transform 0.05s ease, opacity 0.15s ease;
}
.btn:active { transform: scale(0.97); }
.btn.primary { background: linear-gradient(135deg, var(--accent), var(--accent2)); color: #0d0c16; }
.btn.ghost { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn.small { padding: 6px 12px; font-size: 0.85rem; }

label { display: block; margin-bottom: 12px; font-size: 0.9rem; color: var(--muted); }
input, select {
  display: block; width: 100%; margin-top: 6px;
  background: var(--panel2); border: 1px solid var(--border); border-radius: 8px;
  padding: 10px 12px; color: var(--text); font-size: 1rem;
}

.auth-card { max-width: 380px; margin: 40px auto; }
.tabs { display: flex; gap: 8px; margin-bottom: 18px; }
.tab {
  flex: 1; padding: 10px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--panel2); color: var(--muted); cursor: pointer; font-weight: 600;
}
.tab.active { background: var(--accent); color: #0d0c16; border-color: var(--accent); }

.error { color: var(--danger); min-height: 1.2em; margin-top: 10px; font-size: 0.9rem; }
.muted { color: var(--muted); }

.row { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; }
.row input { width: auto; flex: 1; min-width: 160px; }
.row button { flex-shrink: 0; }

.section-title { margin-top: 10px; }

.catalog-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px;
}
.catalog-card {
  position: relative;
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  overflow: hidden; cursor: pointer; transition: transform 0.1s ease, border-color 0.15s ease;
}
.catalog-card:hover { transform: translateY(-3px); border-color: var(--accent); }
.catalog-card img { width: 100%; height: 130px; object-fit: cover; display: block; background: #000; }
.catalog-card-body { padding: 10px 12px; }
.catalog-card-title { font-weight: 600; }
.catalog-card-owner { font-size: 0.8rem; color: var(--muted); margin-top: 2px; }

.catalog-badge {
  position: absolute; top: 8px; left: 8px; z-index: 5;
  display: flex; align-items: center; gap: 4px;
  background: rgba(16, 185, 129, 0.92); color: #06281d;
  font-size: 0.75rem; font-weight: 700; padding: 4px 8px; border-radius: 20px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.35);
}

.daily-picks-section { margin-bottom: 26px; }
.daily-picks-label {
  font-size: 0.95rem; font-weight: 700; color: var(--muted);
  margin-bottom: 10px; display: flex; align-items: center; gap: 8px;
}
.daily-pick-card.loading { pointer-events: none; opacity: 0.6; }
.daily-pick-card .catalog-card-owner { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.daily-pick-spinner {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  background: rgba(10, 9, 16, 0.5); color: #fff; font-size: 0.8rem; font-weight: 600; z-index: 6;
}
.catalog-delete-btn {
  position: absolute; top: 8px; right: 8px; z-index: 5;
  width: 26px; height: 26px; border-radius: 50%; border: none;
  background: rgba(10, 9, 16, 0.65); color: var(--text); font-size: 0.95rem; line-height: 1;
  cursor: pointer;
}
.catalog-delete-btn:hover { background: var(--danger); color: #2a0a10; }
.catalog-delete-btn.confirming { background: var(--danger); color: #2a0a10; width: auto; padding: 0 10px; font-size: 0.72rem; font-weight: 700; border-radius: 13px; }

.create-preview { width: 100%; max-height: 320px; object-fit: contain; border-radius: 10px; margin: 12px 0; background: #000; }

.profile-rooms { display: flex; flex-direction: column; gap: 12px; margin-top: 14px; }
.profile-room-card {
  display: flex; gap: 14px; align-items: flex-start;
  background: var(--panel2); border: 1px solid var(--border); border-radius: 12px; padding: 12px;
}
.profile-room-thumb { width: 90px; height: 66px; object-fit: cover; border-radius: 8px; flex-shrink: 0; background: #000; }
.profile-room-main { flex: 1; min-width: 0; }
.profile-room-top { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.profile-room-title { font-weight: 600; }
.room-status-badge { font-size: 0.72rem; font-weight: 700; padding: 3px 9px; border-radius: 20px; }
.room-status-badge.active { background: rgba(76, 201, 240, 0.2); color: var(--accent2-text); }
.room-status-badge.completed { background: rgba(16, 185, 129, 0.2); color: #34d399; }
.profile-room-meta { font-size: 0.82rem; color: var(--muted); margin-top: 4px; }
.profile-room-players { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.profile-room-actions { margin-left: auto; flex-shrink: 0; }

.game-header {
  display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
  padding: 12px 20px; flex-shrink: 0;
  border-bottom: 1px solid var(--topbar-border);
  background: var(--topbar-bg);
  color: var(--topbar-text);
  backdrop-filter: blur(6px);
}
.room-code { font-size: 1.1rem; }
.players { display: flex; gap: 8px; flex-wrap: wrap; }
.player-badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 10px; border-radius: 20px; font-size: 0.85rem;
  border: 1px solid var(--border); background: var(--panel2); color: var(--text);
}
.player-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--pcolor); }
.player-badge.offline { opacity: 0.45; }
.progress { margin-left: auto; font-weight: 600; color: var(--accent2-text); }

.board-viewport {
  position: relative; flex: 1 1 auto; min-height: 0;
  background: var(--board-bg); overflow: hidden;
  cursor: grab; touch-action: none;
}
.board-viewport.panning { cursor: grabbing; }
.board {
  position: absolute; left: 0; top: 0;
  transform-origin: 0 0;
  background:
    linear-gradient(var(--board-grid) 1px, transparent 1px) 0 0 / 40px 40px,
    linear-gradient(90deg, var(--board-grid) 1px, transparent 1px) 0 0 / 40px 40px,
    var(--board-bg);
}
.solution-frame {
  position: absolute; border: 2px dashed rgba(124, 108, 240, 0.5); border-radius: 4px;
  box-shadow: inset 0 0 40px rgba(124, 108, 240, 0.08);
  pointer-events: none;
}
.piece {
  position: absolute; cursor: grab; touch-action: none;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.5));
}
.piece.dragging { cursor: grabbing; filter: drop-shadow(0 8px 14px rgba(0,0,0,0.6)); }
.piece.locked { cursor: default; filter: none; }
.piece.grabbed-by-other { outline: 3px solid var(--grabcolor, var(--accent2)); outline-offset: -1px; border-radius: 6px; }

.minimap {
  position: absolute; top: 16px; right: 16px; z-index: 20;
  background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
  padding: 8px; box-shadow: 0 6px 20px rgba(0,0,0,0.45);
  pointer-events: none;
}
.minimap-label {
  font-size: 0.7rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em;
  margin-bottom: 6px; text-align: center;
}
.minimap img { display: block; max-width: 170px; max-height: 170px; border-radius: 6px; }

.view-controls {
  position: absolute; bottom: 16px; right: 16px; z-index: 20;
  display: grid; grid-template-columns: 1fr 1fr; gap: 6px; width: 140px;
}
.vc-btn {
  border: 1px solid var(--border); background: var(--panel2); color: var(--text);
  border-radius: 8px; padding: 8px 0; font-size: 1.1rem; font-weight: 700; cursor: pointer;
  box-shadow: 0 4px 12px rgba(0,0,0,0.35);
}
.vc-btn:active { transform: scale(0.96); }
.vc-btn.wide { grid-column: span 2; font-size: 0.78rem; font-weight: 600; padding: 7px 0; }

@media (max-width: 640px) {
  .minimap img { max-width: 110px; max-height: 110px; }
  .view-controls { width: 120px; }
}

.modal {
  position: fixed; inset: 0; background: rgba(10, 9, 16, 0.75);
  display: none; align-items: center; justify-content: center; z-index: 100;
}
.modal:not([hidden]) { display: flex; }
.modal-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 14px;
  padding: 30px 40px; text-align: center;
}

.settings-card { width: 380px; max-width: 90vw; text-align: left; }
.settings-group { margin: 18px 0; }
.settings-label {
  font-size: 0.85rem; color: var(--muted); margin-bottom: 8px;
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
}
.settings-value { color: var(--accent2-text); font-weight: 600; flex-shrink: 0; }

.swatch-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.swatch {
  height: 64px; border-radius: 10px; cursor: pointer;
  border: 2px solid var(--border); position: relative; overflow: hidden;
  display: flex; align-items: flex-end;
}
.swatch:hover { transform: translateY(-1px); }
.swatch.selected { border-color: var(--accent2); box-shadow: 0 0 0 2px rgba(76, 201, 240, 0.35); }
.swatch.selected::after {
  content: '✓'; position: absolute; top: 4px; right: 6px;
  color: #fff; font-weight: 700; text-shadow: 0 1px 3px rgba(0,0,0,0.8);
}
.swatch-name {
  width: 100%; padding: 3px 7px; font-size: 0.72rem; font-weight: 600;
  background: rgba(10, 9, 16, 0.55); color: #fff; text-shadow: 0 1px 2px rgba(0,0,0,0.6);
}
.swatch[data-light="1"] .swatch-name { background: rgba(255, 255, 255, 0.65); color: #1a1a1a; text-shadow: none; }

#grabOpacityRange { width: 100%; accent-color: var(--accent2); }

.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: var(--panel2); border: 1px solid var(--border); color: var(--text);
  padding: 10px 18px; border-radius: 10px; z-index: 200; box-shadow: 0 6px 20px rgba(0,0,0,0.4);
}

@media (max-width: 640px) {
  main#app { padding: 14px; }
  .progress { margin-left: 0; }
}