:root {
    --bg: #0a0a0c;
    --bg-2: #14141a;
    --fg: #f5f5f7;
    --fg-dim: #a0a0a8;
    --accent: #5a8dee;
    --line: rgba(255, 255, 255, 0.08);
    --glass: rgba(20, 20, 26, 0.55);
    --glass-soft: rgba(255, 255, 255, 0.04);
    --radius: 14px;
    --radius-lg: 22px;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter", "Segoe UI", system-ui, sans-serif;
    -webkit-font-smoothing: antialiased;
    color: var(--fg);
    background: var(--bg);
    overflow-x: hidden;
}

/* фоновое «свечение» — тёмная атмосфера */
.bg {
    position: fixed;
    inset: 0;
    z-index: -1;
    background:
        radial-gradient(circle at 20% 10%, rgba(90, 141, 238, 0.18), transparent 40%),
        radial-gradient(circle at 80% 90%, rgba(155, 90, 238, 0.14), transparent 45%),
        var(--bg);
}

.app {
    max-width: 1280px;
    margin: 0 auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* Glass-эффект */
.glass {
    background: var(--glass);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    backdrop-filter: blur(24px) saturate(180%);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.glass-soft {
    /* объёмная стеклянная карточка: gradient + multi-shadow + inner highlight */
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.07) 0%, rgba(255, 255, 255, 0.02) 100%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius);
    box-shadow:
        0 4px 12px rgba(0, 0, 0, 0.35),
        0 16px 40px rgba(0, 0, 0, 0.35),
        inset 0 1px 0 rgba(255, 255, 255, 0.12),
        inset 0 -1px 0 rgba(0, 0, 0, 0.2);
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 22px;
}

.brand {
    font-weight: 600;
    font-size: 18px;
    letter-spacing: 0.3px;
}

.status {
    font-size: 13px;
    color: var(--fg-dim);
    padding: 6px 12px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.04);
}
.status.ok { color: #6dd66d; }
.status.err { color: #ff6b6b; }

.placeholder {
    padding: 32px;
}

.placeholder h1 {
    font-size: 24px;
    font-weight: 600;
    margin: 0 0 8px;
}

.placeholder p {
    color: var(--fg-dim);
    margin: 0 0 24px;
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 12px;
}

.card {
    padding: 18px;
    transition: transform 0.2s cubic-bezier(0.2, 0.8, 0.2, 1),
                box-shadow 0.2s cubic-bezier(0.2, 0.8, 0.2, 1),
                background 0.2s ease;
    cursor: pointer;
    will-change: transform;
}

.card:hover {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.11) 0%, rgba(255, 255, 255, 0.04) 100%);
    transform: translateY(-4px);
    box-shadow:
        0 8px 16px rgba(0, 0, 0, 0.4),
        0 28px 56px rgba(0, 0, 0, 0.45),
        inset 0 1px 0 rgba(255, 255, 255, 0.18),
        inset 0 -1px 0 rgba(0, 0, 0, 0.25);
}

.card:active {
    transform: translateY(-1px) scale(0.99);
    transition: transform 0.08s ease;
}

.card-h {
    font-weight: 600;
    margin-bottom: 6px;
}

.card-b {
    color: var(--fg-dim);
    font-size: 13px;
}