:root {
    --bg: #f6f7f9;
    --card: #ffffff;
    --text: #111827;
    --muted: #6b7280;
    --border: #e5e7eb;
    --accent: #3b63f0;
    --accent-text: #ffffff;
    --ok: #16a34a;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0b0d12;
        --card: #141821;
        --text: #f3f4f6;
        --muted: #9ca3af;
        --border: #262b36;
        --ok: #22c55e;
    }
}

* {
    box-sizing: border-box;
}

body {
    min-height: 100vh;
    margin: 0;
    padding: 24px 16px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 24px;
    background: radial-gradient(ellipse at top, color-mix(in srgb, var(--accent) 12%, transparent), transparent 60%), var(--bg);
    color: var(--text);
    font: 15px / 1.5 var(--font-sans, system-ui, sans-serif);
    -webkit-font-smoothing: antialiased;
}

.card {
    animation: enter 0.45s cubic-bezier(0.2, 0.8, 0.2, 1) both;
    width: 100%;
    max-width: 420px;
    padding: 40px 32px;
    text-align: center;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: 0 10px 30px rgb(0 0 0 / 0.06);
}

.logo {
    display: inline-flex;
    animation: pop 0.5s 0.1s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.logo svg {
    filter: drop-shadow(0 8px 20px color-mix(in srgb, var(--accent) 35%, transparent));
}

h1 {
    margin: 20px 0 4px;
    font-size: 24px;
    font-weight: 650;
    letter-spacing: -0.01em;
}

.muted {
    color: var(--muted);
    font-weight: 500;
}

.status {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin: 0;
    color: var(--muted);
    font-size: 13px;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--ok);
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--ok) 20%, transparent);
    animation: pulse 2s ease-in-out infinite;
}

.links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin-top: 28px;
}

.btn {
    padding: 8px 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-weight: 500;
    text-decoration: none;
    transition:
        border-color 0.15s,
        background 0.15s,
        transform 0.15s;
}

.btn:active {
    transform: scale(0.97);
}

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

.btn.primary {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--accent-text);
}

.btn.primary:hover {
    background: color-mix(in srgb, var(--accent) 85%, black);
}

footer {
    color: var(--muted);
    font-size: 12px;
}

@keyframes enter {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
}

@keyframes pop {
    from {
        opacity: 0;
        transform: scale(0.85);
    }
}

@keyframes pulse {
    50% {
        box-shadow: 0 0 0 7px color-mix(in srgb, var(--ok) 0%, transparent);
    }
}

@media (prefers-reduced-motion: reduce) {
    .card,
    .logo,
    .dot {
        animation: none;
    }

    .btn {
        transition: none;
    }

    .btn:active {
        transform: none;
    }
}