:root {
  --bg: #0b0c12;
  --panel: #151824;
  --panel2: #1c2030;
  --text: #f2f4ff;
  --muted: #9aa3bd;
  --line: rgba(255,255,255,.08);
  --accent: #8b5cff;
  --accent2: #ff4fa3;
  --danger: #ff4d6d;
  --ok: #3dff8a;
  --radius: 14px;
  font-family: "PingFang SC", "Noto Sans SC", system-ui, sans-serif;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(900px 500px at 10% -10%, rgba(139,92,255,.25), transparent 60%),
    radial-gradient(700px 400px at 100% 0%, rgba(255,79,163,.18), transparent 55%),
    var(--bg);
}
#loginView[hidden],
#appView[hidden] {
  display: none !important;
}
.auth-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.auth-card, .card {
  background: rgba(21,24,36,.92);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  backdrop-filter: blur(10px);
}
.auth-card {
  width: min(400px, 100%);
  display: grid;
  gap: 12px;
}
.auth-card h1, .page-head h2 { margin: 0 0 4px; }
.muted { color: var(--muted); font-size: 13px; margin: 0 0 8px; }
label {
  display: grid;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
}
input, select, textarea {
  width: 100%;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #0f121c;
  color: var(--text);
  padding: 10px 12px;
  font: inherit;
}
.btn-primary, .btn-secondary, .btn-ghost, .btn-danger {
  border: 0;
  border-radius: 10px;
  padding: 10px 14px;
  font: inherit;
  cursor: pointer;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  font-weight: 600;
}
.btn-secondary {
  background: var(--panel2);
  color: var(--text);
  border: 1px solid var(--line);
}
.btn-ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--line);
}
.btn-danger {
  background: rgba(255,77,109,.15);
  color: var(--danger);
  border: 1px solid rgba(255,77,109,.35);
}
.error { color: var(--danger); font-size: 13px; margin: 0; }
.ok { color: var(--ok); font-size: 13px; }
#appView:not([hidden]) {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: 100vh;
}
.sidebar {
  border-right: 1px solid var(--line);
  background: rgba(12,14,22,.85);
  padding: 20px 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.brand { font-weight: 700; margin-bottom: 12px; }
.nav-btn {
  text-align: left;
  background: transparent;
  color: var(--muted);
  border: 0;
  border-radius: 10px;
  padding: 10px 12px;
  cursor: pointer;
  font: inherit;
}
.nav-btn.is-active, .nav-btn:hover {
  background: rgba(139,92,255,.18);
  color: #fff;
}
#logoutBtn { margin-top: auto; }
.main { padding: 24px; max-width: 980px; }
.page-head { margin-bottom: 16px; }
.card + .card { margin-top: 14px; }
.row, .toolbar, .actions { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.icon-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 12px 0;
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.span2 { grid-column: span 2; }
.scene-table { display: grid; gap: 8px; margin-top: 12px; }
.scene-row {
  display: grid;
  grid-template-columns: 56px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 10px 12px;
  border-radius: 12px;
  background: #0f121c;
  border: 1px solid var(--line);
}
.swatch {
  width: 40px; height: 40px; border-radius: 10px;
  border: 1px solid var(--line);
}
.scene-row strong { display: block; }
.scene-row small { color: var(--muted); }
.scene-actions { display: flex; gap: 8px; }
@media (max-width: 800px) {
  #appView:not([hidden]) { grid-template-columns: 1fr; }
  .sidebar { flex-direction: row; flex-wrap: wrap; align-items: center; }
  #logoutBtn { margin-top: 0; margin-left: auto; }
  .form-grid, .icon-grid { grid-template-columns: 1fr; }
  .span2 { grid-column: auto; }
}

#loginError, .error {
  color: #ffb4c0;
  background: rgba(255,77,109,.12);
  border: 1px solid rgba(255,77,109,.35);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 13px;
  margin: 0;
}
button:disabled { opacity: .65; cursor: wait; }