:root {
    --bg: #0b1523;
    --card: #121f33;
    --accent: #3ab4ff;
    --accent-soft: rgba(58,180,255,0.15);
    --text: #f5f8ff;
    --muted: #9fb3d6;
    --error: #ff6b81;
    --success: #4cd3a8;
}
* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text);
}
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}
.login-card {
    background: var(--card);
    padding: 3rem;
    border-radius: 16px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 20px 80px rgba(0,0,0,0.4);
}
.login-card h1 { margin: 0 0 .25rem; }
.subtitle { color: var(--muted); margin-bottom: 2rem; }
.login-card label { display: block; margin-bottom: 1rem; color: var(--muted); font-size: .9rem; }
.login-card input { width: 100%; padding: .8rem 1rem; border-radius: 10px; border: 1px solid rgba(255,255,255,0.08); background: rgba(255,255,255,0.05); color: var(--text); }
.login-card button { width: 100%; padding: 1rem; border: none; border-radius: 10px; background: linear-gradient(120deg,var(--accent),#7c5dff); color: #fff; font-size: 1rem; cursor: pointer; }
.alert { padding: .8rem 1rem; border-radius: 10px; margin-bottom: 1rem; font-size: .9rem; }
.alert-error { background: rgba(255,107,129,0.1); color: var(--error); }
.hint { color: var(--muted); margin-bottom: 1rem; font-size: .9rem; }

.layout { display: grid; grid-template-columns: 260px 1fr; min-height: 100vh; }
.sidebar { background: #0d1728; padding: 2rem 1.5rem; display: flex; flex-direction: column; gap: 1rem; }
.brand { font-weight: 700; font-size: 1.2rem; }
nav { display: flex; flex-direction: column; gap: .5rem; }
nav a { color: var(--muted); text-decoration: none; padding: .75rem 1rem; border-radius: 10px; }
nav a.active, nav a:hover { background: var(--accent-soft); color: var(--text); }
.btn-logout { margin-top: auto; padding: .8rem 1rem; border: 1px solid rgba(255,255,255,0.1); background: transparent; color: var(--muted); border-radius: 10px; cursor: pointer; }
main { padding: 2.5rem; background: linear-gradient(145deg,#111c2f,#080f1c); }
.card { background: var(--card); border-radius: 18px; padding: 2rem; box-shadow: 0 30px 80px rgba(0,0,0,0.35); }
.card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.5rem; }
.card-header h2 { margin: 0 0 .3rem; }
.badge { background: var(--accent-soft); color: var(--accent); padding: .3rem .8rem; border-radius: 999px; font-size: .85rem; }
form label { display: block; margin-bottom: 1.2rem; font-size: .9rem; color: var(--muted); }
form input, form select { width: 100%; margin-top: .35rem; padding: .85rem 1rem; border-radius: 12px; border: 1px solid rgba(255,255,255,0.08); background: rgba(255,255,255,0.03); color: var(--text); }
.btn-primary { padding: 1rem 1.4rem; border: none; border-radius: 12px; background: linear-gradient(120deg,var(--accent),#7c5dff); color: #fff; font-weight: 600; cursor: pointer; }
.status { margin-top: 1.5rem; padding: 1rem; border-radius: 12px; font-size: .95rem; display: none; }
.status.running { display: block; background: rgba(58,180,255,0.1); color: var(--accent); }
.status.success { display: block; background: rgba(76,211,168,0.12); color: var(--success); }
.status.error { display: block; background: rgba(255,107,129,0.12); color: var(--error); }
@media (max-width: 900px) {
    .layout { grid-template-columns: 1fr; }
    .sidebar { flex-direction: row; align-items: center; flex-wrap: wrap; }
    nav { flex-direction: row; flex: 1; }
}

form select, form option {
    background-color: #182742;
    color: #f5f8ff;
}
form select:focus {
    outline: 2px solid rgba(58,180,255,0.4);
}
.footer {
    margin-top: 2rem;
    margin-bottom: 3rem;
    text-align: center;
    color: var(--muted);
    font-size: .85rem;
}