/* style.css */
* { box-sizing: border-box; }
body {
  margin: 0; font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: #111827; background: #f8fafc;
}
.topbar {
  background: #0f172a; color: #fff; padding: 12px 16px;
  display: flex; justify-content: space-between; align-items: center;
}
.topbar h1 { margin: 0; font-size: 18px; font-weight: 600; }
.main {
  display: grid; grid-template-columns: 1fr 320px; gap: 16px; padding: 16px; max-width: 1400px; margin: 0 auto;
}
.board { display: flex; flex-direction: column; align-items: flex-start; }
.canvas-wrap { position: relative; border: 1px solid #e5e7eb; border-radius: 12px; background:#fff; overflow: hidden; }
#grid, #overlay { display:block; }
#overlay { position:absolute; inset:0; }
.hint { margin-top: 8px; color:#6b7280; font-size: 12px; }
.side { display: flex; flex-direction: column; gap: 16px; }
.card { background: #fff; border: 1px solid #e5e7eb; border-radius: 12px; padding: 12px; }
.kv { display: flex; align-items: center; justify-content: space-between; margin: 4px 0; }
.kv code { background: #f3f4f6; padding: 2px 6px; border-radius: 6px; }
.lbl { display:block; font-size: 12px; color:#374151; margin: 8px 0 4px; }
input[type="color"], input[type="file"], input[type="password"], input[type="text"] { width: 100%; }
.btn {
  margin-top: 10px; padding: 10px 12px;
  background: #2563eb; color: #fff; border: 0; border-radius: 10px; cursor: pointer;
  font-weight: 600; font-size: 14px;
}
.btn:hover { background:#1d4ed8; }
.status { margin-top:8px; min-height: 18px; font-size: 12px; color:#111827; }
.admin { margin-top: 8px; }

/* --- DARK MODE STYLES --- */
body.dark-mode {
  color: #e2e8f0; background: #1a202c;
}
body.dark-mode .topbar {
  background: #2d3748;
}
body.dark-mode .card {
  background: #2d3748; border-color: #4a5568;
}
body.dark-mode .canvas-wrap {
  background: #2d3748; border-color: #4a5568;
}
body.dark-mode .hint {
  color: #a0aec0;
}
body.dark-mode .lbl {
  color: #a0aec0;
}
body.dark-mode .kv code {
  background: #4a5568; color: #e2e8f0;
}
body.dark-mode input[type="text"],
body.dark-mode input[type="password"] {
  background: #4a5568; color: #e2e8f0; border: 1px solid #4a5568;
}