* { box-sizing: border-box; }
:root {
    color-scheme: dark;
    --bg: #0f1115; --panel: #171a21; --panel-2: #202633;
    --text: #f4f6fb; --muted: #9aa4b2; --border: #2a3140;
    --accent: #38c172; --danger: #ff5c5c; --success: #38c172;
}
body { margin: 0; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; background: var(--bg); color: var(--text); }
.auth-page { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-card, .empty-card, .module-card { background: var(--panel); border: 1px solid var(--border); border-radius: 18px; box-shadow: 0 20px 60px rgba(0,0,0,.25); }
.login-card { width: min(420px, 100%); padding: 28px; }
.login-card.wide { width: min(720px, 100%); }
h1, h2 { margin-top: 0; }
.muted { color: var(--muted); }
label { display: block; margin: 16px 0; color: var(--muted); }
input { width: 100%; margin-top: 8px; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--border); background: #0c0e13; color: var(--text); }
button, .button { display: inline-block; border: 0; border-radius: 12px; padding: 12px 16px; background: var(--accent); color: #061008; font-weight: 700; cursor: pointer; text-decoration: none; }
.button.secondary { background: var(--panel-2); color: var(--text); border: 1px solid var(--border); }
.alert { border-radius: 12px; padding: 12px 14px; margin: 16px 0; }
.alert.error { background: rgba(255,92,92,.12); border: 1px solid rgba(255,92,92,.35); color: #ffb3b3; }
.alert.success { background: rgba(56,193,114,.12); border: 1px solid rgba(56,193,114,.35); color: #a8f0c5; }
.topbar { min-height: 64px; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; background: var(--panel); border-bottom: 1px solid var(--border); }
.topbar nav { display: flex; gap: 16px; align-items: center; }
.topbar a { color: var(--text); text-decoration: none; }
.version { color: var(--muted); margin-left: 8px; font-size: .9rem; }
.container { width: min(1100px, calc(100% - 32px)); margin: 32px auto; }
.module-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; }
.module-card, .empty-card { padding: 22px; }
.check-list { display: grid; gap: 8px; margin: 18px 0 28px; }
.check-row { display: flex; gap: 10px; align-items: center; padding: 10px 12px; border-radius: 12px; background: #0c0e13; border: 1px solid var(--border); }
.check-row.ok span:first-child { color: var(--success); font-weight: 900; }
.check-row.fail span:first-child { color: var(--danger); font-weight: 900; }