:root {
    color-scheme: dark;
    --bg: #05070b;
    --bg-soft: #0a0e15;
    --card: rgba(15, 21, 31, 0.78);
    --line: rgba(255, 255, 255, 0.08);
    --text: #f5f7fb;
    --muted: #8490a3;
    --accent: #6ee7ff;
    --accent-2: #8b7cff;
    --success: #62f2ad;
}

* {
    box-sizing: border-box;
}

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

body {
    min-height: 100vh;
    overflow-x: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    color: var(--text);
    background:
        radial-gradient(circle at 20% 20%, rgba(110, 231, 255, 0.08), transparent 30%),
        radial-gradient(circle at 80% 80%, rgba(139, 124, 255, 0.10), transparent 30%),
        linear-gradient(135deg, var(--bg), var(--bg-soft));
    font-family:
        Inter,
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;
}

.grid {
    position: fixed;
    inset: 0;
    pointer-events: none;
    opacity: 0.18;
    background-image:
        linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
    background-size: 40px 40px;
    mask-image: linear-gradient(to bottom, transparent, black 20%, black 80%, transparent);
}

.glow {
    position: fixed;
    width: 280px;
    height: 280px;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
    pointer-events: none;
    animation: float 9s ease-in-out infinite;
}

.glow.one {
    top: -80px;
    left: -80px;
    background: var(--accent);
}

.glow.two {
    right: -90px;
    bottom: -80px;
    background: var(--accent-2);
    animation-delay: -4s;
}

@keyframes float {
    0%, 100% { transform: translate3d(0, 0, 0); }
    50% { transform: translate3d(20px, -20px, 0); }
}

.card {
    position: relative;
    width: min(100%, 650px);
    padding: 36px;
    border: 1px solid var(--line);
    border-radius: 28px;
    background: var(--card);
    backdrop-filter: blur(22px);
    box-shadow:
        0 30px 100px rgba(0, 0, 0, 0.45),
        inset 0 1px 0 rgba(255, 255, 255, 0.04);
    overflow: hidden;
}

.card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.05), transparent 40%);
    pointer-events: none;
}

.top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 34px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.logo {
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    border-radius: 15px;
    background: linear-gradient(
        135deg,
        rgba(110, 231, 255, 0.16),
        rgba(139, 124, 255, 0.16)
    );
    border: 1px solid var(--line);
    font-size: 21px;
    box-shadow: 0 0 30px rgba(110, 231, 255, 0.08);
}

.brand-title {
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.brand-subtitle {
    margin-top: 3px;
    font-size: 12px;
    color: var(--muted);
}

.status {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(98, 242, 173, 0.06);
    border: 1px solid rgba(98, 242, 173, 0.12);
    color: #9bffca;
    font-size: 12px;
    font-weight: 600;
}

.status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--success);
    box-shadow: 0 0 12px var(--success);
    animation: pulse 1.8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.75; }
    50% { transform: scale(1.35); opacity: 1; }
}

.content {
    text-align: center;
}

.icon {
    width: 82px;
    height: 82px;
    margin: 0 auto 22px;
    display: grid;
    place-items: center;
    border-radius: 24px;
    border: 1px solid var(--line);
    background: radial-gradient(
        circle,
        rgba(110, 231, 255, 0.10),
        rgba(139, 124, 255, 0.06)
    );
    font-size: 34px;
    box-shadow: 0 0 45px rgba(110, 231, 255, 0.06);
}

h1 {
    margin: 0;
    font-size: clamp(30px, 5vw, 46px);
    line-height: 1.05;
    letter-spacing: -0.04em;
}

.description {
    max-width: 480px;
    margin: 16px auto 0;
    color: var(--muted);
    font-size: 15px;
    line-height: 1.7;
}

.progress-wrap {
    margin-top: 34px;
}

.progress {
    position: relative;
    height: 10px;
    overflow: hidden;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255,255,255,0.04);
}

.progress::before {
    content: "";
    position: absolute;
    inset: 0 auto 0 -35%;
    width: 35%;
    border-radius: inherit;
    background: linear-gradient(
        90deg,
        transparent,
        var(--accent),
        var(--accent-2),
        transparent
    );
    filter: blur(1px);
    animation: progress 1.7s ease-in-out infinite;
}

@keyframes progress {
    0% { transform: translateX(0); }
    100% { transform: translateX(380%); }
}

.loading-text {
    margin-top: 12px;
    color: #9ca8bb;
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.system {
    margin-top: 30px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.system-item {
    padding: 14px 12px;
    text-align: left;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.025);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.system-label {
    color: var(--muted);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.system-value {
    margin-top: 5px;
    font-size: 13px;
    font-weight: 600;
    color: #e8edf5;
}

.system-value::before {
    content: "●";
    margin-right: 7px;
    color: var(--success);
    font-size: 8px;
    vertical-align: middle;
}

.terminal {
    margin-top: 22px;
    padding: 15px 16px;
    border-radius: 15px;
    background: #090c11;
    border: 1px solid rgba(255,255,255,0.05);
    text-align: left;
    font-family:
        ui-monospace,
        SFMono-Regular,
        Menlo,
        Monaco,
        Consolas,
        monospace;
    font-size: 12px;
    color: #8997aa;
}

.terminal-line {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 7px;
}

.terminal-line:last-child {
    margin-bottom: 0;
}

.prompt {
    color: var(--accent);
}

.ok {
    color: var(--success);
}

.cursor {
    display: inline-block;
    width: 7px;
    height: 14px;
    margin-left: 2px;
    background: #dbe4ef;
    vertical-align: middle;
    animation: blink 0.9s step-end infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.footer {
    margin-top: 22px;
    text-align: center;
    color: #5f6b7d;
    font-size: 11px;
}

@media (max-width: 640px) {
    .card {
        padding: 24px 18px;
        border-radius: 22px;
    }

    .top {
        align-items: flex-start;
        flex-direction: column;
    }

    .status {
        align-self: flex-start;
    }

    .system {
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation: none !important;
        scroll-behavior: auto !important;
    }
}