:root {
  --bg: #0f1420;
  --panel: #171d2c;
  --panel-2: #1e2536;
  --border: #2a3348;
  --text: #e7ebf3;
  --text-dim: #9aa5b8;
  --accent: #5b8cff;
  --accent-2: #ffb648;
  --danger: #ff5d6c;
  --success: #3ecf8e;
  --radius: 10px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

a { color: var(--accent); text-decoration: none; }

header#topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand { font-weight: 700; font-size: 16px; }
.brand span { color: var(--text-dim); font-weight: 400; margin-left: 6px; font-size: 13px; }
header nav { display: flex; gap: 20px; }
header nav a { color: var(--text-dim); font-size: 14px; padding: 6px 2px; border-bottom: 2px solid transparent; }
header nav a.active { color: var(--text); border-color: var(--accent); }
.topbar-right { display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--text-dim); }

main#view { max-width: 1100px; margin: 0 auto; padding: 24px; }

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

h1 { font-size: 20px; margin: 0 0 16px; }
h2 { font-size: 16px; margin: 0 0 12px; color: var(--text); }
h3 { font-size: 14px; margin: 0 0 8px; color: var(--text-dim); text-transform: uppercase; letter-spacing: .04em; }
p.hint { color: var(--text-dim); font-size: 13px; margin: 4px 0 16px; }

label { display: block; font-size: 13px; color: var(--text-dim); margin: 10px 0 4px; }
input[type=text], input[type=number], input[type=password], select, textarea {
  width: 100%;
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 9px 10px;
  font-size: 14px;
  font-family: inherit;
}
textarea { min-height: 90px; font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 12.5px; }
input[type=checkbox] { width: auto; margin-right: 6px; }

.row { display: flex; gap: 16px; flex-wrap: wrap; }
.row > div { flex: 1; min-width: 160px; }

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 9px 16px;
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
  font-weight: 600;
}
.btn:hover { filter: brightness(1.08); }
.btn-ghost { background: transparent; border: 1px solid var(--border); color: var(--text-dim); }
.btn-danger { background: var(--danger); }
.btn-sm { padding: 5px 10px; font-size: 12.5px; }

table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--text-dim); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .03em; }
tr:hover td { background: rgba(255,255,255,.02); }

.badge { display: inline-block; padding: 2px 8px; border-radius: 20px; font-size: 11px; font-weight: 700; }
.badge-on { background: rgba(62,207,142,.15); color: var(--success); }
.badge-off { background: rgba(255,93,108,.15); color: var(--danger); }

.toolbar { display: flex; gap: 8px; align-items: center; margin-bottom: 14px; flex-wrap: wrap; }
.toolbar input[type=text] { width: 220px; }

.pagination { display: flex; gap: 8px; align-items: center; margin-top: 14px; font-size: 13px; color: var(--text-dim); }

.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; }
.login-card { width: 340px; }

.error { color: var(--danger); font-size: 13px; margin-top: 8px; }
.success-msg { color: var(--success); font-size: 13px; margin-top: 8px; }

/* Hex editor */
.hex-toolbar { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.hex-tool {
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  border-radius: 8px;
  padding: 7px 12px;
  font-size: 12.5px;
  cursor: pointer;
}
.hex-tool.active { border-color: var(--accent); background: rgba(91,140,255,.15); color: #cddcff; }
.hex-tool .swatch { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 6px; vertical-align: middle; }

.hex-editor-wrap { display: flex; gap: 20px; flex-wrap: wrap; }
.hex-svg-wrap { background: var(--panel-2); border: 1px solid var(--border); border-radius: 10px; padding: 8px; }
.hex-cell polygon { stroke: #3a4560; stroke-width: 1.5; cursor: pointer; }
.hex-cell text { fill: #cfd7e6; font-size: 9px; pointer-events: none; }
.hex-cell.deleted polygon { fill: #11151f; stroke: #232a3c; }
.hex-cell.lock-SCORE polygon { fill: #3b2e12; stroke: var(--accent-2); }
.hex-cell.lock-COIN polygon { fill: #123b2c; stroke: var(--success); }
.hex-cell.lock-AD polygon { fill: #2e1230; stroke: #c86bff; }
.hex-cell.empty polygon { fill: #232c40; }
.stack-dot { stroke: rgba(0,0,0,.35); stroke-width: 1; }

.legend { font-size: 12px; color: var(--text-dim); margin-top: 10px; }