:root {
        --bg-color: #fafafa;
        --card-bg: #ffffff;
        --text-main: #111827;
        --text-muted: #6b7280;
        --text-light: #9ca3af;
        --border-color: #e5e7eb;
        --accent-color: #111827;
        --radius-lg: 16px;
        --radius-md: 12px;
        --radius-sm: 8px;
        --font-stack: "Inter", sans-serif;
    }

    * {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }

    body {
        font-family: var(--font-stack);
        background-color: var(--bg-color);
        color: var(--text-main);
        display: flex;
        justify-content: center;
        min-height: 100vh;
        padding: 3rem 1.25rem;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }

    .container {
        width: 100%;
        max-width: 480px;
    }

    header {
        margin-bottom: 2.5rem;
    }

    .site-title {
        font-size: 24px;
        font-weight: 600;
        display: flex;
        align-items: center;
        gap: 14px;
        letter-spacing: -0.02em;
        margin-bottom: 6px;
    }

    .dot {
        width: 10px;
        height: 10px;
        border-radius: 50%;
        background: #10b981;
        /* Success Green */
        flex-shrink: 0;
        box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.15);
        transition: background-color 0.3s;
    }

    .dot.loading {
        background: #f59e0b;
        /* Loading Orange */
        box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.15);
        animation: pulse 1.5s cubic-bezier(0.4, 0, 0.6, 1) infinite;
    }

    .dot.error {
        background: #ef4444;
        /* Error Red */
        box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.15);
    }

    @keyframes pulse {

        0%,
        100% {
            opacity: 1;
        }

        50% {
            opacity: 0.4;
        }
    }

    .subtitle {
        font-size: 15px;
        color: var(--text-muted);
    }

    .cards {
        display: flex;
        flex-direction: column;
        gap: 16px;
    }

    .card {
        background: var(--card-bg);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-lg);
        padding: 20px;
        display: flex;
        align-items: flex-start;
        gap: 18px;
        transition: transform 0.2s ease, box-shadow 0.2s ease;
    }

    .card:hover {
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
        transform: translateY(-2px);
    }

    .card-icon {
        width: 48px;
        height: 48px;
        border-radius: var(--radius-md);
        background: #f3f4f6;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
        color: var(--text-main);
    }

    .card-content {
        flex-grow: 1;
        min-width: 0;
    }

    .card-label {
        font-size: 12px;
        color: var(--text-muted);
        font-weight: 600;
        letter-spacing: 0.05em;
        text-transform: uppercase;
        margin-bottom: 6px;
    }

    .card-value {
        font-size: 18px;
        font-weight: 500;
        color: var(--text-main);
        word-break: break-word;
        line-height: 1.3;
    }

    .card-value.muted {
        color: var(--text-light);
        font-weight: 400;
        font-size: 16px;
    }

    .card-sub {
        font-size: 14px;
        color: var(--text-muted);
        margin-top: 4px;
    }

    .err {
        background: #fef2f2;
        border: 1px solid #fecaca;
        border-radius: var(--radius-md);
        padding: 16px;
        font-size: 14px;
        color: #991b1b;
        margin-top: 16px;
        display: none;
        line-height: 1.5;
    }

    .bottom-bar {
        margin-top: 2rem;
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 16px;
        padding-top: 1.5rem;
        border-top: 1px solid var(--border-color);
    }

    .bottom-left {
        display: flex;
        align-items: center;
        gap: 16px;
    }

    .refresh-btn {
        font-family: inherit;
        font-size: 14px;
        font-weight: 500;
        background: var(--accent-color);
        color: #ffffff;
        border: none;
        border-radius: var(--radius-sm);
        padding: 10px 18px;
        cursor: pointer;
        transition: background-color 0.2s;
    }

    .refresh-btn:hover {
        background: #374151;
    }

    .timestamp {
        font-size: 13px;
        color: var(--text-muted);
    }

    .source-badge {
        font-size: 12px;
        color: var(--text-light);
    }

    svg {
        stroke: currentColor;
    }

    .footer-element {
        margin-top: 2rem;
        text-align: center;
        color: var(--text-muted);
    }

    .footer-text {
        font-size: 12px;
    }

    .vpn-banner {
        display: none;
        align-items: center;
        gap: 10px;
        background: #FAEEDA;
        border: 0.5px solid #EF9F27;
        border-radius: var(--border-radius-md);
        padding: 0.75rem 1rem;
        margin-bottom: 1rem;
        font-size: 13px;
        color: #633806;
    }

    .vpn-banner.show {
        display: flex;
    }

    .vpn-icon {
        flex-shrink: 0;
    }