:root {
  --bg: #0b0f1a;
  --panel: #121a2a;
  --text: #e6e8ee;
  --muted: #9aa3b2;
  --border: rgba(255, 255, 255, 0.12);
  --primary: #6ea8ff;
  --primary2: #2f6bff;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial,
    "Apple Color Emoji", "Segoe UI Emoji";
  background: radial-gradient(1200px 600px at 10% 10%, rgba(110, 168, 255, 0.18), transparent),
    radial-gradient(900px 500px at 90% 10%, rgba(70, 255, 190, 0.12), transparent), var(--bg);
  color: var(--text);
}

.container {
  max-width: 980px;
  margin: 0 auto;
  padding: 28px 18px 60px;
}

.header h1 {
  margin: 0 0 8px;
  font-size: 26px;
  font-weight: 700;
}

.subtitle {
  margin: 0 0 18px;
  color: var(--muted);
  line-height: 1.4;
}

.panel {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.03));
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
  backdrop-filter: blur(10px);
}

.panelHeader {
  display: grid;
  gap: 4px;
  margin-bottom: 10px;
}

.panelTitle {
  margin: 0;
  font-size: 14px;
}

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

.tabs {
  display: flex;
  gap: 10px;
  margin: 10px 0 12px;
}

.tab {
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.18);
  color: var(--text);
  cursor: pointer;
}

.tab.isActive {
  border-color: rgba(110, 168, 255, 0.55);
  background: linear-gradient(180deg, rgba(110, 168, 255, 0.28), rgba(47, 107, 255, 0.18));
}

.gameHud {
  display: flex;
  gap: 10px;
  align-items: center;
}

.hudItem {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 8px 10px;
  background: rgba(0, 0, 0, 0.16);
  min-width: 82px;
}

.hudK {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.hudV {
  font-size: 18px;
  font-variant-numeric: tabular-nums;
}

.row {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 14px 0;
}

.field,
.file {
  display: grid;
  gap: 8px;
}

.label {
  font-size: 12px;
  color: var(--muted);
}

input[type="number"],
select {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.22);
  color: var(--text);
}

.inline {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 8px;
  align-items: center;
}

.sep {
  color: var(--muted);
}

.player {
  width: 100%;
}

button {
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.2);
  color: var(--text);
  cursor: pointer;
}

button[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
}

.primary {
  border-color: rgba(110, 168, 255, 0.5);
  background: linear-gradient(180deg, rgba(110, 168, 255, 0.34), rgba(47, 107, 255, 0.24));
}

.primary:active {
  transform: translateY(1px);
}

.progress {
  width: 100%;
  height: 14px;
}

.link {
  color: var(--primary);
  text-decoration: none;
}

.link:hover {
  text-decoration: underline;
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin: 14px 0 6px;
}

.stat {
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.18);
}

.stat .k {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 6px;
}

.stat .v {
  font-size: 16px;
  font-weight: 650;
}

.log {
  margin-top: 14px;
}

.log summary {
  cursor: pointer;
  color: var(--muted);
}

pre {
  white-space: pre-wrap;
  word-break: break-word;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.24);
  margin: 10px 0 0;
  max-height: 280px;
  overflow: auto;
}

.footer {
  margin-top: 16px;
  color: var(--muted);
  font-size: 12px;
}

.bootError {
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(255, 110, 110, 0.45);
  background: rgba(255, 110, 110, 0.08);
  color: rgba(255, 255, 255, 0.9);
  white-space: pre-wrap;
  word-break: break-word;
  margin-bottom: 12px;
  font-size: 12px;
}

.preview {
  margin: 14px 0;
  padding: 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.16);
}

.previewHeader {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.previewHeader .title {
  font-weight: 650;
}

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

#previewCanvas {
  width: 100%;
  height: auto;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.22);
}

.judgeRow {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 10px;
  color: var(--muted);
  font-size: 12px;
}

.judge {
  color: var(--text);
  font-weight: 700;
}

@media (max-width: 720px) {
  .grid {
    grid-template-columns: 1fr;
  }

  .stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}