:root {
    --text: #1f2937;
    --muted: #64748b;
    --blue: #3498db;
    --blue-dark: #1769aa;
    --glass: rgba(255, 255, 255, 0.68);
}

* {
    box-sizing: border-box;
}

html,
body {
    min-height: 100%;
    margin: 0;
}

body {
    min-height: 100vh;
    padding: 24px;
    color: var(--text);
    font-family: "SF Pro Display", "SF Pro Text", "PingFang SC", "Microsoft YaHei", sans-serif;
    background: #e7edf7;
    overflow-x: hidden;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 0;
    background: #e7edf7 url("../assets/bg.webp") center / cover no-repeat;
    filter: blur(5px);
    transform: scale(1.05);
    pointer-events: none;
}

.status-shell {
    position: relative;
    z-index: 1;
    width: min(100%, 760px);
    min-height: calc(100vh - 48px);
    margin: 0 auto;
}

@keyframes status-fade-up {
    from {
        opacity: 0;
        transform: translateY(22px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.glass-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 58px;
    padding: 10px 12px 10px 20px;
    border: 1px solid rgba(255, 255, 255, 0.38);
    border-radius: 28px;
    background: rgba(255, 255, 255, 0.12);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.6),
        0 12px 28px rgba(31, 91, 145, 0.14);
    backdrop-filter: blur(8px) saturate(150%);
    -webkit-backdrop-filter: blur(8px) saturate(150%);
    animation: status-fade-up 0.7s ease both;
}

.nav-links {
    display: flex;
    min-width: 0;
    align-items: center;
    justify-content: flex-end;
    gap: 5px;
}

.brand,
.nav-link {
    color: #ffffff;
    text-decoration: none;
}

.brand {
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    padding: 0 14px;
    border: 1px solid rgba(255, 255, 255, 0.24);
    border-radius: 16px;
    font-size: 0.82rem;
    background: rgba(255, 255, 255, 0.08);
    transition: background 0.2s ease, transform 0.2s ease;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.18);
    transform: translateY(-1px);
}

.nav-link.active {
    background: rgba(255, 255, 255, 0.2);
}

.nav-link:focus-visible {
    outline: 3px solid rgba(255, 255, 255, 0.78);
    outline-offset: 2px;
}

.status-card {
    width: 100%;
    margin-top: clamp(70px, 15vh, 150px);
    padding: clamp(32px, 7vw, 64px) clamp(22px, 7vw, 64px);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.72);
    border-radius: 28px;
    background: var(--glass);
    box-shadow:
        0 20px 48px rgba(31, 91, 145, 0.16),
        inset 0 1px 0 rgba(255, 255, 255, 0.72);
    backdrop-filter: blur(7px) saturate(145%);
    -webkit-backdrop-filter: blur(7px) saturate(145%);
    animation: status-fade-up 0.8s 0.18s ease both;
}

.eyebrow {
    margin: 0 0 10px;
    color: var(--blue-dark);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.16em;
}

h1 {
    margin: 0;
    font-size: clamp(2rem, 7vw, 3.4rem);
    letter-spacing: -0.04em;
}

.status-description,
.updated-time {
    color: var(--muted);
    line-height: 1.7;
}

.status-indicator {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 20px;
    padding: 7px 13px;
    border: 1px solid rgba(60, 190, 120, 0.24);
    border-radius: 999px;
    color: #27824f;
    font-size: 0.86rem;
    font-weight: 600;
    background: rgba(110, 220, 155, 0.14);
}

.status-indicator--unknown {
    border-color: rgba(100, 116, 139, 0.2);
    color: #64748b;
    background: rgba(148, 163, 184, 0.12);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #38b86d;
    box-shadow: 0 0 0 4px rgba(56, 184, 109, 0.14);
}

.status-indicator--unknown .status-dot,
.service-state--unknown .status-dot {
    background: #94a3b8;
    box-shadow: 0 0 0 4px rgba(148, 163, 184, 0.14);
}

.uptime-caption {
    margin: 28px 0 -18px;
    color: #475569;
    font-size: 0.88rem;
    font-weight: 600;
}

.uptime-caption span {
    color: var(--muted);
    font-size: 0.76rem;
    font-weight: 400;
}

.uptime-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-top: 30px;
}

.uptime-unit {
    padding: 18px 10px;
    border: 1px solid rgba(255, 255, 255, 0.64);
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.32);
}

.uptime-unit strong {
    display: block;
    color: var(--blue-dark);
    font-size: clamp(1.6rem, 5vw, 2.4rem);
    line-height: 1.1;
}

.uptime-unit span {
    display: block;
    margin-top: 6px;
    color: var(--muted);
    font-size: 0.8rem;
}

.updated-time {
    margin: 24px 0 0;
    font-size: 0.78rem;
}

.service-list {
    margin-top: 30px;
    text-align: left;
}

.service-item {
    padding: 22px 0;
    border-top: 1px solid rgba(100, 116, 139, 0.16);
    animation: status-fade-up 0.65s ease both;
}

.service-item:nth-child(1) { animation-delay: 0.42s; }
.service-item:nth-child(2) { animation-delay: 0.52s; }
.service-item:nth-child(3) { animation-delay: 0.62s; }
.service-item:nth-child(4) { animation-delay: 0.72s; }

.service-heading,
.service-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.service-heading h2 {
    margin: 0;
    color: #1f2937;
    font-size: 1rem;
    font-weight: 500;
}

.service-state {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: #2fbd6d;
    font-size: 0.85rem;
    font-weight: 600;
}

.service-state--unknown {
    color: #64748b;
}

.service-meta {
    margin: 10px 0 0;
    color: #94a3b8;
    font-size: 0.76rem;
    line-height: 1.6;
}

@media (max-width: 740px) {
    body {
        padding: 14px;
    }

    .status-shell {
        min-height: calc(100vh - 28px);
    }

    .glass-nav,
    .status-card {
        border-radius: 22px;
    }

    .glass-nav {
        align-items: flex-start;
        flex-direction: column;
        gap: 8px;
        padding: 12px;
    }

    .nav-links {
        width: 100%;
        justify-content: flex-start;
        overflow-x: auto;
        scrollbar-width: thin;
    }

    .nav-link {
        flex: 0 0 auto;
        padding: 0 10px;
        font-size: 0.74rem;
    }

    .status-card {
        margin-top: 40px;
    }

    .uptime-grid {
        gap: 8px;
    }

    .uptime-unit {
        padding: 14px 6px;
        border-radius: 16px;
    }
}

@media (max-width: 520px) {
    .uptime-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (prefers-reduced-motion: reduce) {
    .glass-nav,
    .status-card,
    .service-item {
        animation: none;
    }
}