:root {
  --ink: #070a12;
  --panel: #12192a;
  --panel-2: #1b263d;
  --line: rgba(255,255,255,.1);
  --text: #f7f9ff;
  --muted: #aab4c8;
  --gold: #ffc857;
  --red: #e94b5b;
  --blue: #4cc9f0;
  --green: #1fbf75;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background: radial-gradient(circle at 20% 0%, #1b2b4a 0, transparent 34%), linear-gradient(180deg, #080b13, #101727 54%, #070a12);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
button, input, select, textarea { font: inherit; }
.shell { display: grid; grid-template-columns: 280px 1fr; min-height: 100vh; }
.sidebar {
  border-right: 1px solid var(--line);
  background: rgba(9, 12, 22, .82);
  backdrop-filter: blur(16px);
  padding: 22px;
  position: sticky;
  top: 0;
  height: 100vh;
}
.brand { display: flex; align-items: center; gap: 12px; margin-bottom: 28px; }
.brand-mark {
  width: 46px; height: 46px; border-radius: 14px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--red), var(--gold));
  color: #0b1020; font-weight: 900;
}
.brand strong, .brand span { display: block; }
.brand span, .sidebar-footer small, .panel-head span, .eyebrow { color: var(--muted); }
nav { display: grid; gap: 8px; }
nav button {
  border: 1px solid transparent; border-radius: 12px; padding: 12px 14px;
  background: transparent; color: var(--muted); text-align: left; cursor: pointer;
}
nav button.active, nav button:hover { background: var(--panel-2); border-color: var(--line); color: var(--text); }
.sidebar-footer { position: absolute; bottom: 22px; left: 22px; right: 22px; padding: 14px; border: 1px solid var(--line); border-radius: 14px; background: rgba(255,255,255,.04); }
.main { padding: 24px; }
.topbar { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-bottom: 24px; }
h1, h2, p { margin: 0; }
h1 { font-size: 34px; letter-spacing: 0; }
h2 { font-size: 18px; }
.eyebrow { text-transform: uppercase; font-size: 12px; font-weight: 800; letter-spacing: .08em; }
.admin-pill { display: flex; align-items: center; gap: 8px; border: 1px solid var(--line); border-radius: 999px; padding: 9px 14px; background: rgba(255,255,255,.05); }
.admin-pill span { width: 9px; height: 9px; border-radius: 50%; background: var(--green); box-shadow: 0 0 18px var(--green); }
.view { display: none; }
.view.active { display: grid; gap: 18px; }
.metrics { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }
.metrics article, .panel, .language-grid article {
  border: 1px solid var(--line); border-radius: 18px;
  background: linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.035));
  box-shadow: 0 18px 50px rgba(0,0,0,.18);
}
.metrics article { padding: 16px; }
.metrics span { color: var(--muted); font-size: 12px; font-weight: 700; }
.metrics strong { display: block; font-size: 28px; margin-top: 6px; }
.grid { display: grid; gap: 18px; }
.grid.two { grid-template-columns: 1fr 1fr; }
.panel { padding: 18px; }
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.chart-bars { height: 220px; display: flex; align-items: end; gap: 14px; padding-top: 30px; }
.chart-bars i { flex: 1; border-radius: 12px 12px 4px 4px; background: linear-gradient(180deg, var(--blue), var(--red)); }
.activity { display: grid; gap: 10px; padding: 0; margin: 0; list-style: none; }
.activity li { padding: 12px; border: 1px solid var(--line); border-radius: 12px; color: var(--muted); background: rgba(255,255,255,.04); }
.table-wrap { overflow: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 12px; text-align: left; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-size: 12px; text-transform: uppercase; }
.status { color: var(--green); font-weight: 800; }
.form, .level-editor, .settings-grid, .language-grid { display: grid; gap: 12px; }
.level-editor, .settings-grid { grid-template-columns: repeat(3, 1fr); }
.language-grid { grid-template-columns: repeat(3, 1fr); }
label { display: grid; gap: 6px; color: var(--muted); font-size: 13px; font-weight: 700; }
input, select, textarea {
  width: 100%; border: 1px solid var(--line); border-radius: 12px; padding: 11px 12px;
  background: rgba(0,0,0,.22); color: var(--text); outline: none;
}
textarea { min-height: 88px; resize: vertical; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.actions { display: flex; gap: 10px; align-items: center; }
.actions.end { justify-content: flex-end; margin-top: 14px; }
.primary, .secondary {
  border: 0; border-radius: 12px; padding: 11px 16px; font-weight: 900; cursor: pointer;
}
.primary { background: linear-gradient(135deg, var(--gold), #ff8a65); color: #0b1020; }
.secondary { background: var(--panel-2); color: var(--text); border: 1px solid var(--line); }
canvas { width: 100%; max-height: 460px; border-radius: 16px; background: #090d18; border: 1px solid var(--line); }
.photo-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 12px; }
.photo-card { border: 1px solid var(--line); border-radius: 16px; overflow: hidden; background: rgba(255,255,255,.04); }
.photo-card img { width: 100%; aspect-ratio: 4/3; object-fit: cover; display: block; }
.photo-card div { padding: 12px; }
.console { padding: 14px; border-radius: 14px; border: 1px solid var(--line); background: #060911; color: var(--green); overflow: auto; }
.setting-card, .language-grid article { padding: 14px; }
.setting-card { border: 1px solid var(--line); border-radius: 14px; background: rgba(255,255,255,.04); }
.setting-card strong, .language-grid strong { display: block; margin-bottom: 8px; }
.toggle { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.toggle input { width: auto; }
@media (max-width: 1000px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; }
  .sidebar-footer { position: static; margin-top: 18px; }
  .metrics, .grid.two, .level-editor, .settings-grid, .language-grid { grid-template-columns: 1fr; }
}