:root {
  --bg: #0f1115;
  --card: #151925;
  --text: #e7ecf2;
  --muted: #a2adc0;
  --accent: #6aa6ff;
  --accent-2: #4cd964;
  --danger: #ff5e57;
  --border: #222838;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; color: var(--text); background: var(--bg); font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol"; }

.container { max-width: 1100px; margin: 0 auto; padding: 24px; }
.header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; }
.brand { display: flex; gap: 12px; align-items: center; }
.logo { width: 42px; height: 42px; border-radius: 12px; }
h1 { margin: 0; font-size: 22px; }
.subtitle { margin: 0; color: var(--muted); }

.auth { display: flex; gap: 8px; align-items: center; }
.auth span { color: var(--muted); }
.btn { background: var(--accent); color: #0a0d14; border: none; padding: 10px 14px; border-radius: 10px; font-weight: 600; cursor: pointer; }
.btn:hover { filter: brightness(1.05); }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }
.btn.success { background: var(--accent-2); }
.btn.danger { background: var(--danger); color: #fff; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 16px; }
.muted { color: var(--muted); }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin: 12px 0; }
.inline { display: inline-flex; gap: 6px; align-items: center; color: var(--muted); }

.pre { background: #0b0e14; border: 1px solid var(--border); border-radius: 12px; padding: 12px; max-height: 300px; overflow: auto; }

.footer { margin-top: 24px; display: flex; justify-content: center; color: var(--muted); }