:root {
    --bg1: #0b0f14;
    --bg2: #0f1724;
    --panel: rgba(22, 28, 40, 0.85);
    --text: #e7eaf0;
    --muted: #9aa4b2;
    --accent: #5aa9ff;
    --border: rgba(255,255,255,0.08);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
                 Roboto, Ubuntu, Cantarell, "Helvetica Neue", Arial, sans-serif;
    background: radial-gradient(
                    1200px 600px at 20% -10%,
                    #16213a 0%,
                    transparent 60%
                ),
                linear-gradient(180deg, var(--bg1), var(--bg2));
    color: var(--text);
    line-height: 1.6;
}

.container {
    max-width: 880px;
    margin: 0 auto;
    padding: 4rem 1.5rem 3rem;
}

header {
    margin-bottom: 3.5rem;
}

h1 {
    font-size: 2.4rem;
    margin: 0 0 0.6rem 0;
    font-weight: 600;
    letter-spacing: 0.6px;
}

.subtitle {
    color: var(--muted);
    font-size: 1.05rem;
}

.panel {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 1.8rem 2rem;
    margin-bottom: 2.2rem;
    backdrop-filter: blur(6px);
}

.panel h2 {
    margin-top: 0;
    margin-bottom: 1rem;
    font-size: 1.35rem;
    font-weight: 500;
}

.status {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.2rem;
}

.status-item {
    padding: 1rem 1.2rem;
    border-radius: 10px;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border);
}

.status-item strong {
    display: block;
    font-weight: 500;
    margin-bottom: 0.3rem;
}

.ok {
    color: #7ee787;
}

footer {
    margin-top: 4rem;
    padding-top: 1.6rem;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    color: var(--muted);
}

@media (max-width: 640px) {
    h1 {
        font-size: 1.9rem;
    }
    footer {
        flex-direction: column;
        gap: 0.6rem;
    }
}