:root {
            --primary:        #1E6FFF;
            --primary-dark:   #501dcf;
            --primary-light:  rgba(30, 111, 255, 0.12);
            --primary-border: rgba(30, 111, 255, 0.35);
            --success:  #17C964;
            --warning:  #F5A524;
            --error:    #ee1111;
            --dark:     #121118;
            --darker:   #121118;
            --card-bg:  rgba(255,255,255,0.04);
            --text:     #FFFFFF;
            --text-secondary: rgba(255,255,255,0.7);
            --text-muted:     rgba(255,255,255,0.5);
            --border:         rgba(255,255,255,0.1);
            --border-hover:   rgba(255,255,255,0.2);
            --unknown:        rgba(255,255,255,0.2);

            --radius-sm:   0.25rem;
            --radius:      0.5rem;
            --radius-lg:   0.75rem;
            --radius-xl:   1rem;
            --radius-full: 9999px;

            --spacing-xs:  0.25rem;
            --spacing-sm:  0.5rem;
            --spacing-md:  1rem;
            --spacing-lg:  1.5rem;
            --spacing-xl:  2rem;
            --spacing-2xl: 3rem;
            --spacing-3xl: 4rem;
            --font-size-xs: 0.75rem;
            --font-size-sm: 0.875rem;
            --font-size-md: 1rem;
            --font-size-lg: 1.125rem;
            --font-size-xl: 1.25rem;

            --transition: 0.3s ease;
            --header-height: 4.5rem;
            --z-header: 100;
            --container-padding: clamp(1rem, 3vw, 1.25rem);
        }

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

        html {
            font-size: 16px;
            scroll-behavior: smooth;
            scrollbar-width: thin;
            scrollbar-color: var(--primary) var(--darker);
            scrollbar-gutter: stable;
            overflow-y: scroll;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background-color: var(--darker);
            color: var(--text);
            line-height: 1.5;
            overflow-x: hidden;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
        }


        ::-webkit-scrollbar { width: 8px; }
        ::-webkit-scrollbar-track { background: var(--darker); }
        ::-webkit-scrollbar-thumb { background: var(--primary); border-radius: var(--radius-full); }
        ::-webkit-scrollbar-thumb:hover { background: var(--primary-dark); }

        a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--primary-dark); }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--container-padding);
        }

        /* ── Header / Navbar ─────────────────────────────── */
        .header {
            position: fixed;
            top: 0; left: 0; width: 100%;
            z-index: var(--z-header);
            background-color: rgba(18, 17, 24, 0.92);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            padding: var(--spacing-md) 0;
            border-bottom: 1px solid var(--border);
            height: var(--header-height);
            transition: background-color var(--transition);
        }
        .header-scrolled {
            background-color: rgba(18, 17, 24, 0.96);
            box-shadow: 0 4px 20px rgba(0,0,0,0.1);
        }

        #fai-alert {
            position: fixed;
            top: var(--header-height);
            left: 0; right: 0;
            z-index: 99;
            background: rgba(230, 126, 34, 0.55);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            color: #ffffff;
            font-size: 0.82rem;
            font-weight: 500;
            padding: 0.55rem 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            transform: translateY(-100%);
            visibility: hidden;
            transition: transform 0.35s ease, visibility 0s linear 0.35s;
            pointer-events: none;
        }
        #fai-alert.visible {
            transform: translateY(0);
            visibility: visible;
            transition: transform 0.35s ease, visibility 0s;
            pointer-events: auto;
        }
        #fai-alert.all-blocked {
            background: rgba(185, 28, 28, 0.55);
        }
        #fai-alert i { opacity: 0.9; }
        #fai-alert-msg { text-align: center; line-height: 1.4; }
        @media (max-width: 640px) {
            #fai-alert { padding: 0.5rem 1rem; font-size: 0.78rem; flex-wrap: wrap; }
            .alert-sep { display: none; }
            .alert-sub { display: block; width: 100%; text-align: center; opacity: 0.85; margin-top: 0.1rem; }
        }
        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 100%;
        }
        .logo {
            font-size: 29px;
            font-weight: 800;
            color: var(--primary);
            display: flex;
            align-items: center;
            z-index: 110;
            position: relative;
        }
        .logo2 { max-width: 100%; width: 140px; height: 38px; }
        .logo:hover { color: var(--primary); }
        .logo img { max-width: 100%; }

        .menu-toggle {
            display: none;
            background: transparent;
            border: none;
            color: var(--text);
            font-size: 1.25rem;
            cursor: pointer;
            z-index: 120;
            width: 40px; height: 40px;
            align-items: center;
            justify-content: center;
            transition: color var(--transition);
        }
        .menu-toggle:hover { color: var(--primary); }

        .nav { display: flex; align-items: center; }
        .nav-links { display: flex; list-style: none; margin-right: var(--spacing-xl); }
        .nav-links li { margin: 0 var(--spacing-md); }
        .nav-link { color: var(--text); font-size: 0.9rem; font-weight: 500; padding: var(--spacing-xs) var(--spacing-sm); border-radius: var(--radius-sm); transition: color var(--transition); position: relative; }
        .nav-icon { display: none; }
        .nav-link::after { content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px; background: var(--primary); border-radius: 99px; transition: width var(--transition); }
        .nav-link:hover { color: var(--primary); }
        .nav-link.active::after, .nav-link:hover::after { width: 100%; }
        .cta-button { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.5rem 1.25rem; background: var(--primary); border-radius: var(--radius-full); color: #fff; font-size: 0.875rem; font-weight: 600; transition: background var(--transition); }
        .cta-button:hover { background: var(--primary-dark); color: #fff; }
        .cta-button i { font-size: 0.78rem; line-height: 1; width: 0.85rem; display: inline-flex; align-items: center; justify-content: center; transition: transform 0.2s ease; }
        .cta-button:hover i { transform: translateX(4px); }

        @media (max-width: 992px) {
            .menu-toggle { display: flex; }
            .nav {
                position: absolute;
                top: 0;
                left: 0;
                right: 0;
                height: 100vh;
                background-color: rgba(18,17,24,0.97);
                backdrop-filter: blur(24px);
                -webkit-backdrop-filter: blur(24px);
                flex-direction: column;
                justify-content: center;
                align-items: center;
                z-index: 115;
                opacity: 0;
                visibility: hidden;
                transition: opacity var(--transition), visibility var(--transition);
                padding: var(--spacing-xl);
                overflow-y: auto;
            }
            .nav.active { opacity: 1; visibility: visible; }
            .header.menu-open { z-index: 500; }
            .nav-links {
                flex-direction: column;
                align-items: center;
                margin-right: 0;
                margin-bottom: var(--spacing-xl);
                width: 100%;
            }
            .nav-link {
                margin: var(--spacing-sm) 0;
                font-size: 1.125rem;
                padding: var(--spacing-sm) var(--spacing-md);
                width: 100%;
                text-align: center;
                display: inline-flex;
                align-items: center;
                justify-content: center;
                gap: 0.7rem;
            }
            .nav-link::after { display: none; }
            .nav-link.active { color: var(--primary); }
            .nav-icon { display: inline-block; font-size: 1rem; width: 1.2rem; text-align: center; }
            .cta-button {
                width: auto;
                justify-content: center;
                padding: 0.55rem 1.4rem;
                font-size: 0.9rem;
            }
        }

        /* ── Top spacing ─────────────────────────────────── */
        .fai-top {
            padding-top: calc(var(--header-height) + var(--fai-alert-h, 0px) + var(--spacing-2xl)) !important;
        }

        .fai-page-header {
            display: flex;
            align-items: stretch;
            justify-content: space-between;
            gap: 1.5rem;
            flex-wrap: wrap;
            margin-bottom: var(--spacing-2xl);
        }
        .fai-page-header-right {
            display: flex;
            align-items: center;
        }
        .fai-page-title { font-size: clamp(1.6rem,4vw,2.2rem); font-weight: 800; margin-bottom: 0.4rem; }
        .fai-page-title > span > span { color: var(--primary); }
        .section-divider { width: 48px; height: 3px; background: var(--primary); border-radius: 99px; margin: 0.75rem 0 1rem; }
        .fai-page-desc { font-size: 0.95rem; color: var(--text-muted); max-width: 520px; margin: 0; }

        .meta-bar {
            display: inline-flex;
            align-items: center;
            gap: 1.2rem;
            padding: 0.6rem 1.25rem;
            background: var(--primary-light);
            border: 1px solid var(--primary-border);
            border-radius: var(--radius-full);
            font-size: 0.82rem;
            color: var(--text-secondary);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .meta-bar strong { color: #fff; font-weight: 600; }
        .meta-bar i { color: var(--primary); margin-right: 0.3rem; }
        .meta-sep { opacity: 0.2; }

        /* ── Sections ────────────────────────────────────── */
        .fai-section {
            padding: var(--spacing-2xl) 0;
        }
        .fai-section-header {
            margin-bottom: var(--spacing-xl);
        }
        .fai-section-title {
            font-size: clamp(1.25rem, 2.5vw, 1.6rem);
            font-weight: 800;
            position: relative;
            display: inline-block;
            margin-bottom: var(--spacing-sm);
        }
        .fai-section-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -10px;
            width: 50px;
            height: 4px;
            background: var(--primary);
            border-radius: var(--radius-full);
        }
        .fai-section-desc {
            font-size: var(--font-size-sm);
            color: var(--text-secondary);
            margin-top: var(--spacing-lg);
        }

        /* ── FAI Cards ───────────────────────────────────── */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1rem;
            margin-bottom: 2.5rem;
        }

        .fai-card {
            background: var(--card-bg);
            border: none;
            border-radius: var(--radius-lg);
            padding: 1.2rem 1rem;
            box-shadow:
                inset 0 1px 0 rgba(255,255,255,0.08),
                0 8px 40px rgba(0,0,0,0.05);
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
        }
        .fai-card:hover {
            transform: translateY(-4px);
            background: rgba(255,255,255,0.06);
            box-shadow:
                inset 0 1px 0 rgba(255,255,255,0.12),
                0 12px 48px rgba(0,0,0,0.08);
        }

        .fai-card-header {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            margin-bottom: 1rem;
        }
        .fai-icon {
            width: 42px; height: 42px;
            background: var(--primary-light);
            border-radius: var(--radius);
            display: flex; align-items: center; justify-content: center;
            font-size: 1.1rem;
            color: var(--primary);
            flex-shrink: 0;
            margin-right: var(--spacing-md);
            transition: all var(--transition);
        }
        .fai-name { font-weight: 600; font-size: 0.95rem; color: var(--text); }
        .fai-sub  { font-size: 0.7rem; color: var(--text-muted); margin-top: 0.1rem; }

        .fai-status-value {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.3rem 0.75rem;
            border-radius: var(--radius-full);
            font-size: 0.78rem;
            font-weight: 600;
            background: rgba(255,255,255,0.06);
            color: var(--text-muted);
        }
        .fai-status-value::before {
            content: '';
            width: 6px; height: 6px;
            border-radius: 50%;
            background: currentColor;
            box-shadow: 0 0 6px currentColor;
        }
        .fai-status-value.good    { background: rgba(23,201,100,0.12); color: var(--success); }
        .fai-status-value.poor    { background: rgba(243,18,96,0.12);  color: var(--error); }
        .fai-status-value.average { background: rgba(245,165,36,0.12); color: var(--warning); }

        .fai-card-body { display: flex; flex-direction: column; align-items: center; gap: 0.5rem; padding: 0.4rem 0 0.2rem; }
        .fai-checks { font-size: 0.75rem; color: var(--text-muted); text-align: center; }
        .fai-checks strong { color: var(--text); }

        /* ── Uptime badges ───────────────────────────────── */
        .uptime-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1rem;
            margin-bottom: 2.5rem;
        }
        .uptime-card {
            background: var(--card-bg);
            border: none;
            border-radius: var(--radius-lg);
            padding: 1rem;
            box-shadow:
                inset 0 1px 0 rgba(255,255,255,0.08),
                0 8px 40px rgba(0,0,0,0.05);
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
        }
        .uptime-card:hover {
            transform: translateY(-4px);
            background: rgba(255,255,255,0.06);
            box-shadow:
                inset 0 1px 0 rgba(255,255,255,0.12),
                0 12px 48px rgba(0,0,0,0.08);
        }
        .uptime-card-header { margin-bottom: 0.75rem; }
        .uptime-label { font-size: 0.95rem; font-weight: 700; color: var(--text); }
        .uptime-big-pct { font-size: 2rem; font-weight: 800; text-align: center; color: var(--text-muted); margin-bottom: 0.15rem; }
        .uptime-big-pct.good    { color: var(--success); }
        .uptime-big-pct.poor    { color: var(--error); }
        .uptime-big-pct.average { color: var(--warning); }
        .uptime-big-sub { font-size: 0.62rem; color: var(--text-muted); text-align: center; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 0.85rem; }
        .uptime-bar-wrap { height: 5px; background: rgba(255,255,255,0.08); border-radius: var(--radius-full); overflow: hidden; }
        .uptime-bar-fill { height: 100%; width: 0; border-radius: var(--radius-full); background: var(--primary); transition: width 1.5s ease; }
        .uptime-bar-fill.good    { background: var(--success); }
        .uptime-bar-fill.average { background: var(--warning); }
        .uptime-bar-fill.poor    { background: var(--error); }

        /* ── Timeline ────────────────────────────────────── */
        .timeline-wrap { margin-bottom: 2rem; }

        .timeline-row {
            display: flex;
            flex-direction: column;
            gap: 0.25rem;
            margin-bottom: 0.75rem;
        }
        .timeline-label {
            font-size: 0.7rem;
            font-weight: 600;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }
        .timeline-blocks {
            flex: 1;
            display: flex;
            gap: 2px;
            align-items: center;
        }
        .block {
            flex: 1;
            height: 26px;
            border-radius: 3px;
            cursor: pointer;
            position: relative;
            min-width: 4px;
        }
        .block::before {
            content: '';
            position: absolute;
            inset: 0;
            border-radius: 3px;
            background: transparent;
            pointer-events: none;
            transition: background .15s;
            z-index: 1;
        }
        .block:hover::before { background: rgba(0,0,0,0.25); }
        .block.ok      { background: var(--success); }
        .block.blocked { background: var(--error); }
        .block.partial { background: var(--error); }
        .block.unknown { background: var(--unknown); }
        .block.domain-change { background: repeating-linear-gradient(45deg, rgba(255,255,255,0.06) 0px, rgba(255,255,255,0.06) 3px, transparent 3px, transparent 7px); border: 1px dashed rgba(255,255,255,0.2); }

        .block-tooltip {
            display: none;
            position: absolute;
            bottom: calc(100% + 8px);
            left: 50%;
            transform: translateX(-50%);
            background: #0e0c16;
            border: 1px solid rgba(255,255,255,0.15);
            opacity: 1;
            border-radius: 10px;
            padding: 0.6rem 0.85rem;
            font-size: 0.72rem;
            white-space: nowrap;
            z-index: 10;
            pointer-events: none;
            color: var(--text);
            line-height: 1.8;
            min-width: 160px;
            text-align: left;
            box-shadow: 0 8px 24px rgba(0,0,0,0.4);
        }
        .block:hover .block-tooltip { display: block; }
        .block.tip-left  .block-tooltip { left: 0; transform: none; }
        .block.tip-right .block-tooltip { left: auto; right: 0; transform: none; }
        .tip-header {
            font-weight: 700;
            font-size: 0.75rem;
            color: #fff;
            margin-bottom: 0.3rem;
        }
        .tip-sep {
            display: block;
            height: 1px;
            background: rgba(255,255,255,0.08);
            margin: 0.3rem 0 0.4rem;
        }
        .tip-row {
            display: flex;
            align-items: center;
            gap: 0.45rem;
        }
        .tip-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            flex-shrink: 0;
        }
        .tip-time { color: rgba(255,255,255,0.45); }
        .tip-label { color: var(--text-muted); font-size: 0.7rem; min-width: 2.5rem; }
        .tip-status-ok      { color: var(--success); }
        .tip-status-blocked { color: var(--error); }
        .tip-status-unknown { color: rgba(255,255,255,0.35); }

        .timeline-axis {
            display: flex;
            margin-left: 0;
            justify-content: space-between;
            font-size: 0.65rem;
            color: var(--text-muted);
            margin-top: 0.3rem;
            opacity: 0.6;
        }
        .timeline-legend {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-top: 1rem;
            justify-content: flex-end;
            font-size: 0.72rem;
            color: var(--text-muted);
        }
        @media (max-width: 700px) {
            .timeline-legend { justify-content: center; }
        }
        .legend-item { display: flex; align-items: center; gap: 0.35rem; }
        .legend-dot { width: 10px; height: 10px; border-radius: 2px; }

        /* ── Animations ─────────────────────────────────── */
        .fade-in {
            animation: fadeIn 0.5s ease-in-out forwards;
        }
        .fade-in-up {
            opacity: 0;
            animation: fadeInUp 0.5s ease-in-out forwards;
        }
        @keyframes fadeIn {
            from { opacity: 0; }
            to   { opacity: 1; }
        }
        @keyframes fadeInUp {
            from { opacity: 0; transform: translateY(20px); }
            to   { opacity: 1; transform: translateY(0); }
        }
        @media (prefers-reduced-motion: reduce) {
            .fade-in, .fade-in-up { animation: none; opacity: 1; }
        }

        /* ── Responsive ──────────────────────────────────── */
        @media (max-width: 768px) {
            .meta-bar {
                font-size: clamp(0.6rem, 2.8vw, 0.82rem);
                gap: 0.6rem;
                padding: 0.5rem 0.9rem;
            }
            .meta-label { display: inline; }
        }
        @media (max-width: 700px) {
            .cards-grid, .uptime-grid { grid-template-columns: repeat(2, 1fr); }
            .cards-grid { gap: 0.6rem; }
            .fai-card { padding: 0.85rem 0.75rem; }
            .fai-icon { width: 34px; height: 34px; font-size: 0.9rem; margin-right: 0.4rem; }
            .fai-name { font-size: 0.82rem; }
            .fai-sub  { font-size: 0.62rem; }
            .fai-status-label { font-size: 0.62rem; }
            .fai-status-value { font-size: 0.78rem; }
            .fai-checks { font-size: 0.65rem; }
        }
        @media (max-width: 500px) {
            .block-day { height: 26px; }
        }
        @media (max-width: 420px) {
            .cards-grid, .uptime-grid { grid-template-columns: 1fr 1fr; }
        }
        /* ── Footer ──────────────────────────────────────────── */
        .footer { background: #0a0910; padding: var(--spacing-xl) 0 var(--spacing-md); border-top: 1px solid var(--border); position: relative; margin-top: var(--spacing-2xl); }
        .footer::before { content: none; }
        .footer .footer-logo { color: #ffffff; }
        .footer-grid { display: grid; grid-template-columns: 2fr repeat(3, 1fr); gap: var(--spacing-xl); margin-bottom: var(--spacing-lg); position: relative; z-index: 2; }
        .footer-logo { font-size: var(--font-size-xl); font-weight: 800; color: var(--primary); display: inline-block; margin-bottom: var(--spacing-md); }
        .footer-description { color: var(--text-secondary); margin-bottom: var(--spacing-md); font-size: 0.8rem; }
        .footer-social { display: flex; gap: var(--spacing-md); }
        .social-link { width: 36px; height: 36px; background: rgba(255,255,255,0.05); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--text); font-size: var(--font-size-md); transition: all var(--transition); }
        .social-link:hover { background: var(--primary); color: white; transform: translateY(-3px); }
        .footer-title { font-size: var(--font-size-lg); font-weight: 700; margin-bottom: var(--spacing-lg); position: relative; display: inline-block; }
        .footer-title::after { content: ''; position: absolute; left: 0; bottom: -8px; width: 30px; height: 3px; background: var(--primary); border-radius: var(--radius-full); }
        .footer-links { list-style: none; }
        .footer-link { margin-bottom: var(--spacing-md); }
        .footer-link a { color: var(--text-secondary); display: flex; align-items: center; transition: all var(--transition); font-size: var(--font-size-sm); }
        .footer-link a:hover { color: var(--primary); transform: translateX(5px); }
        .footer-link a i { margin-right: var(--spacing-sm); font-size: 12px; }
        .footer-divider { height: 1px; background: var(--border); margin-bottom: var(--spacing-lg); position: relative; z-index: 2; }
        .footer-bottom { display: flex; justify-content: space-between; align-items: center; position: relative; z-index: 2; }
        .copyright { color: var(--text-secondary); font-size: var(--font-size-sm); }
        .footer-bottom-links { display: flex; gap: var(--spacing-lg); }
        .footer-bottom-link { color: var(--text-secondary); font-size: var(--font-size-sm); transition: color var(--transition); }
        .footer-bottom-link:hover { color: var(--primary); }
        @media (max-width: 992px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--spacing-xl); } }
        @media (max-width: 576px) { .footer-grid { grid-template-columns: 1fr; } .footer-bottom { flex-direction: column; gap: var(--spacing-md); text-align: center; } .footer-bottom-links { justify-content: center; flex-wrap: wrap; gap: var(--spacing-md); } .footer-title { margin-top: var(--spacing-md); } }