@import url('https://fonts.googleapis.com/css2?family=Fira+Mono:wght@400;500&family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,600;1,9..144,300&display=swap');

:root {
  --bg: #f5f5f3;
  --panel: #ffffff;
  --border: #d0d0cc;
  --text: #1a1a1a;
  --muted: #666660;
  --accent: #5a3fa0;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Fira Mono', monospace;
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

header {
  display: flex;
  align-items: baseline;
  gap: 1.2rem;
  padding: 10px 18px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  background: var(--panel);
}

header h1 {
  font-family: 'Fraunces', serif;
  font-size: 1.2rem;
  font-weight: 300;
  color: var(--text);
  letter-spacing: 0.01em;
}

header h1 em {
  font-style: italic;
  color: var(--accent);
}

header .sub {
  font-size: 0.68rem;
  color: var(--muted);
  font-style: normal;
}

.layout {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* ---- Sidebar ---- */
.sidebar {
  width: 200px;
  background: var(--panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 0;
  flex-shrink: 0;
  overflow-y: auto;
}

.sidebar-section {
  padding: 10px 12px 6px;
  border-bottom: 1px solid var(--border);
}

.sidebar-label {
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin-bottom: 8px;
}

.palette-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
}

.tile-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 6px 4px;
  border-radius: 6px;
  border: 1.5px solid transparent;
  cursor: grab;
  background: #f0f0ee;
  transition: border-color 0.15s, transform 0.1s;
  user-select: none;
}

.tile-btn:hover {
  border-color: var(--border);
  transform: scale(1.04);
}

.tile-btn.selected {
  border-color: var(--accent);
}

.tile-btn svg {
  width: 48px;
  height: 44px;
}

.tile-btn .lbl {
  font-size: 0.6rem;
  color: var(--muted);
}

/* Controls */
.controls {
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.btn {
  padding: 6px 10px;
  font-family: 'Fira Mono', monospace;
  font-size: 0.68rem;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: #f0f0ee;
  color: var(--text);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  text-align: center;
}

.btn:hover { background: #e0e0dc; border-color: var(--accent); }

.btn.active { border-color: var(--accent); background: #ddd8f0; }

.btn.danger { border-color: #cc3333; color: #cc3333; }
.btn.danger:hover { background: #fff0f0; border-color: #cc3333; }

.snap-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.68rem;
  color: var(--muted);
  cursor: pointer;
  padding: 4px 0;
}

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

/* Canvas area */
.canvas-wrap {
  flex: 1;
  position: relative;
  overflow: hidden;
  background: #ffffff;
}

#canvas {
  position: absolute;
  top: 0; left: 0;
  cursor: default;
}

.zoom-btns {
  position: absolute;
  bottom: 16px;
  right: 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  z-index: 10;
}

.zoom-btn {
  width: 32px;
  height: 32px;
  font-size: 1.2rem;
  line-height: 1;
  font-family: 'Fira Mono', monospace;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: rgba(255,255,255,0.9);
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, border-color 0.15s;
  backdrop-filter: blur(4px);
}

.zoom-btn:hover {
  background: #f0f0ee;
  border-color: var(--accent);
}

.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.3);
  z-index: 100;
  align-items: center;
  justify-content: center;
}
.modal-overlay.open { display: flex; }

.modal {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  min-width: 260px;
  max-width: 360px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.18);
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px 8px;
  border-bottom: 1px solid var(--border);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text);
}
.modal-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--muted);
  font-size: 0.9rem;
  padding: 2px 4px;
  border-radius: 4px;
  font-family: monospace;
}
.modal-close:hover { color: var(--text); background: var(--border); }

.modal-body {
  padding: 12px 14px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.modal-section-label {
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin-bottom: 2px;
}

.status {
  position: absolute;
  bottom: 10px;
  right: 14px;
  font-size: 0.6rem;
  color: #999;
  pointer-events: none;
}

.hint {
  position: absolute;
  top: 10px;
  left: 12px;
  font-size: 0.6rem;
  color: #999;
  pointer-events: none;
  line-height: 1.7;
}