:root {
    --bg: #0f0f12;
    --surface: #18181c;
    --border: #2a2a30;
    --text: #e4e4e7;
    --muted: #a1a1aa;
    --accent: #a78bfa;
    --accent-hover: #c4b5fd;
    --success: #22c55e;
    --error: #ef4444;
    --orange: #f59e0b;
    --orange-hover: #fbbf24;
}

* { box-sizing: border-box; }

body {
    font-family: 'Segoe UI', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    margin: 0;
    min-height: 100vh;
    line-height: 1.5;
}

/* Login */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.login-box {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    width: 100%;
    max-width: 320px;
}

.login-box h1 {
    margin: 0 0 0.25rem;
    font-size: 1.5rem;
}

.login-box .subtitle {
    color: var(--muted);
    margin: 0 0 1.5rem;
    font-size: 0.9rem;
}

.login-box .error {
    color: var(--error);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.login-box input[type="password"] {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg);
    color: var(--text);
    font-size: 1rem;
    margin-bottom: 1rem;
    outline: none;
}

.login-box input[type="password"]:focus {
    border-color: var(--accent);
}

.login-box button {
    width: 100%;
    padding: 0.75rem;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
}

.login-box button:hover {
    background: var(--accent-hover);
}

/* Dashboard */
header {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

header h1 {
    margin: 0;
    font-size: 1.25rem;
}

header .subtitle {
    margin: 0;
    color: var(--muted);
    font-size: 0.95rem;
}

header .logout {
    margin-left: auto;
    color: var(--muted);
    text-decoration: none;
    font-size: 0.9rem;
}

header .logout:hover {
    color: var(--accent);
}

main {
    max-width: 560px;
    margin: 0 auto;
    padding: 1.5rem;
}

section {
    margin-bottom: 2rem;
}

section h2 {
    margin: 0 0 1rem;
    font-size: 1rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Restart cards */
.restart-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1.5rem;
    text-align: center;
    transition: border-color 0.2s;
}

.card:hover {
    border-color: var(--accent);
}

.card h3 {
    margin: 0 0 0.5rem;
    font-size: 1.1rem;
}

.card p {
    margin: 0 0 1.25rem;
    color: var(--muted);
    font-size: 0.85rem;
}

.card button {
    width: 100%;
    padding: 0.75rem 1rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.card button:active {
    transform: scale(0.97);
}

.card button.running {
    opacity: 0.5;
    pointer-events: none;
}

.card.card-cs16 button {
    background: var(--orange);
    color: #1a1a1a;
}

.card.card-cs16 button:hover {
    background: var(--orange-hover);
}

.card.card-cs2 button {
    background: var(--accent);
    color: #fff;
}

.card.card-cs2 button:hover {
    background: var(--accent-hover);
}

/* Toast */
.toast {
    margin-top: 1.5rem;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-size: 0.85rem;
    font-family: 'Consolas', monospace;
    display: none;
    word-break: break-all;
}

.toast.visible { display: block; }
.toast.ok  { background: #0f291840; border: 1px solid #22c55e40; color: var(--success); }
.toast.err { background: #2a121540; border: 1px solid #ef444440; color: var(--error); }

.muted { color: var(--muted); font-size: 0.9rem; }
.hint { font-size: 0.8rem; }