:root {
  --bg: #1a1e23;
  --panel: #22272e;
  --line: #333a43;
  --text: #dfe3e8;
  --muted: #8b949e;
  --primary: #f58e1e;
  --danger: #d9534f;
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", system-ui, -apple-system, Arial, sans-serif;
  font-size: 15px;
}

.view { max-width: 1400px; margin: 0 auto; padding: 24px; }
[hidden] { display: none !important; }

h1 { font-size: 22px; margin: 0; letter-spacing: 0.5px; }
h1 span { color: var(--primary); }

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}
.header-actions { display: flex; align-items: center; gap: 12px; }
#save-state { color: var(--muted); font-size: 13px; }

button {
  font: inherit;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  padding: 8px 16px;
  border-radius: 4px;
  cursor: pointer;
}
button:hover { border-color: var(--primary); }
button.primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #16181b;
  font-weight: 600;
}
button.primary:hover { filter: brightness(1.08); }
button.ghost { background: transparent; }
button.danger { border-color: var(--danger); color: var(--danger); background: transparent; }

/* ---- login ---- */
#view-login {
  display: flex;
  min-height: 100vh;
  align-items: center;
  justify-content: center;
}
.login-box {
  width: 340px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-top: 3px solid var(--primary);
  border-radius: 6px;
  padding: 32px;
  text-align: center;
}
.login-box .sub { color: var(--muted); font-size: 13px; margin: 6px 0 22px; }
.login-box input {
  width: 100%;
  margin-bottom: 12px;
}
.login-box button { width: 100%; }
.error { color: var(--danger); font-size: 13px; margin-top: 10px; min-height: 18px; }

/* ---- inputs ---- */
input, select, textarea {
  font: inherit;
  width: 100%;
  background: #191d22;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 8px 10px;
}
input:focus, select:focus, textarea:focus, button:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 1px;
  border-color: var(--primary);
}
input[type="color"] { padding: 2px; height: 38px; width: 56px; }
input[type="number"] { width: 84px; }
textarea { resize: vertical; }

label {
  display: block;
  margin-bottom: 14px;
  font-size: 13px;
  color: var(--muted);
}
label small { font-weight: normal; opacity: 0.8; }
label input, label select, label textarea { margin-top: 5px; }

.row { display: flex; gap: 14px; align-items: flex-end; }
.row label { flex: 0 0 auto; }
.row label.grow, .row label:first-child { flex: 1; }

/* ---- list cards ---- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 18px;
  cursor: pointer;
}
.card:hover { border-color: var(--primary); }
.card .name { font-weight: 600; margin-bottom: 6px; }
.card .meta { color: var(--muted); font-size: 12px; }
.card .meta code { color: var(--primary); }
.empty { color: var(--muted); text-align: center; padding: 60px 0; }

/* ---- editor ---- */
.editor-grid {
  display: grid;
  grid-template-columns: 400px 1fr;
  gap: 24px;
}
.editor-form {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 20px;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
}
.editor-preview { position: sticky; top: 24px; }
.preview-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--muted);
  margin-bottom: 8px;
}
#preview {
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #000;
}

.install-box {
  border-top: 1px solid var(--line);
  margin-top: 20px;
  padding-top: 16px;
}
.install-box .panel-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--primary);
  margin-bottom: 8px;
}
.install-box p { font-size: 13px; color: var(--muted); margin: 0 0 8px; }
.install-box pre {
  background: #191d22;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 10px;
  font-size: 12px;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-all;
}
.install-box .danger { float: right; }

/* ---- music upload ---- */
.music-section {
  margin-bottom: 14px;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 12px;
  background: #191d22;
}
.section-label {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 10px;
}
.section-label small { font-weight: normal; opacity: 0.8; }

.music-track {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 8px;
  margin-bottom: 4px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 4px;
  font-size: 13px;
}
.track-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
  margin-right: 8px;
}

button.small {
  padding: 4px 10px;
  font-size: 12px;
}
.danger-text { color: var(--danger); }
.danger-text:hover { border-color: var(--danger); }

#music-add-row { margin-top: 6px; }

@media (max-width: 1000px) {
  .editor-grid { grid-template-columns: 1fr; }
  .editor-preview { position: static; }
}