:root { color-scheme: dark; font-family: Inter, system-ui, sans-serif; background: #080b12; color: #f4f7fb; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: radial-gradient(circle at 20% 10%, #1c2942, transparent 38%), #080b12; }
.auth-layout, .dashboard-layout { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.auth-layout { min-height: 100vh; display: grid; place-items: center; }
.auth-card { width: min(430px, 100%); padding: 38px; border: 1px solid #26334a; border-radius: 22px; background: rgba(14, 20, 32, .9); box-shadow: 0 24px 80px rgba(0,0,0,.3); }
.brand { letter-spacing: .22em; font-weight: 800; color: #91b7ff; }
.eyebrow { color: #7891b8; font-size: 12px; letter-spacing: .16em; }
h1 { font-size: clamp(30px, 5vw, 52px); line-height: 1.05; margin: 12px 0; }
.auth-card h1 { font-size: 36px; }
.muted { color: #94a1b8; line-height: 1.6; }
.auth-form { display: grid; gap: 18px; margin-top: 28px; }
label { display: grid; gap: 8px; color: #cbd6e8; font-size: 14px; }
input { width: 100%; padding: 13px 14px; color: #fff; background: #0a101c; border: 1px solid #30415d; border-radius: 10px; outline: none; }
input:focus { border-color: #8cb5ff; box-shadow: 0 0 0 3px rgba(140,181,255,.12); }
button { border: 0; border-radius: 10px; padding: 13px 18px; color: #07101f; background: #a7c7ff; font-weight: 700; cursor: pointer; }
button:hover { filter: brightness(1.08); }
.alert { margin-top: 20px; padding: 12px; border-radius: 10px; background: #492330; color: #ffb6c6; }
.dashboard-layout { padding-bottom: 60px; }
.topbar { display: flex; justify-content: space-between; align-items: center; padding: 28px 0; border-bottom: 1px solid #1d2a3d; }
.button-secondary { color: #d6e2f4; background: #172236; }
.welcome { padding: 76px 0 48px; max-width: 760px; }
.placeholder-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.placeholder-grid article { min-height: 180px; padding: 24px; border: 1px solid #22304a; border-radius: 16px; background: rgba(15, 23, 37, .72); }
.placeholder-grid span { color: #87aef3; font-size: 13px; }
.placeholder-grid h2 { margin: 30px 0 8px; }
.placeholder-grid p { color: #94a1b8; }
@media (max-width: 700px) { .placeholder-grid { grid-template-columns: 1fr; } .auth-card { padding: 26px; } }