/* ===== DESIGN TOKENS ===== */

:root {
    /* Surfaces */
    --bg: #060a10;
    --surface: #0d1117;
    --surface-hover: #151b23;
    --border: #21262d;

    /* Text */
    --text-1: #e6edf3;
    --text-2: #848d97;
    --text-3: #484f58;

    /* Status — Operational */
    --ok: #3fb950;
    --ok-dim: rgba(63, 185, 80, 0.1);
    --ok-glow: rgba(63, 185, 80, 0.35);

    /* Status — Degraded */
    --warn: #d29922;
    --warn-dim: rgba(210, 153, 34, 0.1);
    --warn-glow: rgba(210, 153, 34, 0.35);

    /* Status — Outage */
    --crit: #f85149;
    --crit-dim: rgba(248, 81, 73, 0.06);
    --crit-glow: rgba(248, 81, 73, 0.35);

    /* Status — Unknown */
    --unk: #484f58;
    --unk-dim: rgba(72, 79, 88, 0.1);
    --unk-glow: rgba(72, 79, 88, 0.3);

    /* Typography */
    --font-display: 'Big Shoulders Display', Impact, sans-serif;
    --font-mono: 'Martian Mono', Consolas, monospace;
    --font-body: 'Karla', 'Segoe UI', sans-serif;
}

/* ===== RESET ===== */

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

/* ===== BODY ===== */

body {
    font-family: var(--font-body);
    background-color: var(--bg);
    background-image:
        radial-gradient(ellipse at 50% 0%, rgba(25, 35, 55, 0.5) 0%, transparent 60%),
        linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
    background-size: 100% 100%, 48px 48px, 48px 48px;
    color: var(--text-1);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ===== HEADER ===== */

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.75rem 2.5rem;
    border-bottom: 1px solid var(--border);
    background: rgba(13, 17, 23, 0.6);
    backdrop-filter: blur(12px);
}

.header-brand h1 {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 900;
    letter-spacing: 0.08em;
    color: var(--text-1);
    line-height: 1;
}

.header-meta {
    text-align: right;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.35rem;
}

#clock {
    font-family: var(--font-mono);
    font-size: 1.4rem;
    font-weight: 400;
    color: var(--text-1);
    letter-spacing: 0.05em;
}

#last-refreshed {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 300;
    color: var(--text-3);
    letter-spacing: 0.03em;
}

/* ===== SUMMARY BAR ===== */

#summary-bar {
    display: flex;
    gap: 2rem;
    padding: 0.85rem 2.5rem;
    border-bottom: 1px solid var(--border);
    background: rgba(13, 17, 23, 0.4);
}

.summary-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 400;
    color: var(--text-2);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.summary-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--unk);
    flex-shrink: 0;
}

.summary-dot.operational {
    background: var(--ok);
    box-shadow: 0 0 6px var(--ok-glow);
}

.summary-dot.degraded {
    background: var(--warn);
    box-shadow: 0 0 6px var(--warn-glow);
}

.summary-dot.outage {
    background: var(--crit);
    box-shadow: 0 0 6px var(--crit-glow);
    animation: dotPulse 2s ease-in-out infinite;
}

.summary-count {
    font-weight: 500;
    color: var(--text-1);
    font-size: 0.85rem;
}

/* ===== WAN THROUGHPUT ===== */

#wan-section {
    padding: 1.5rem 2.5rem 0;
}

#wan-graphs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.wan-panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-top: 3px solid #388bfd;
    border-radius: 8px;
    padding: 1.25rem 1.5rem 1rem;
    overflow: hidden;
}

.wan-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.wan-name {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--text-1);
    letter-spacing: 0.03em;
    line-height: 1;
}

.wan-legend {
    display: flex;
    gap: 1.25rem;
}

.wan-legend-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--text-2);
}

.wan-legend-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    flex-shrink: 0;
}

.wan-legend-dot.rx { background: #58a6ff; box-shadow: 0 0 5px rgba(88, 166, 255, 0.5); }
.wan-legend-dot.tx { background: #3fb950; box-shadow: 0 0 5px rgba(63, 185, 80, 0.5); }

.wan-canvas {
    display: block;
    width: 100%;
    height: 90px;
}

/* ===== FORTIGATE HEALTH CARD ===== */

#fg-health-card {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-top: 1.25rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-top: 3px solid #388bfd;
    border-radius: 8px;
    padding: 1rem 1.5rem;
}

.fg-identity {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    flex-shrink: 0;
}

.fg-model {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--text-1);
    letter-spacing: 0.03em;
    line-height: 1;
}

.fg-metrics {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.fg-metric {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.fg-metric-label {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-3);
}

.fg-metric-value {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 400;
    color: var(--text-1);
}

.fg-metric-value.warn { color: var(--warn); }
.fg-metric-value.crit { color: var(--crit); }

@media (max-width: 640px) {
    #wan-section {
        padding: 1.25rem 1.5rem 0;
    }

    #wan-graphs {
        grid-template-columns: 1fr;
    }

    #fg-health-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
}

/* ===== VENDOR GRID ===== */

#vendor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.25rem;
    padding: 2rem 2.5rem;
}

/* ===== VENDOR CARD ===== */

.vendor-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-top: 3px solid var(--unk);
    border-radius: 8px;
    padding: 1.5rem;
    transition: transform 0.2s ease, background 0.2s ease;
}

.vendor-card:hover {
    transform: translateY(-2px);
    background: var(--surface-hover);
}

/* --- Entrance animation (first render only) --- */

.vendor-card.animate-in {
    opacity: 0;
    animation: cardEnter 0.45s ease forwards;
    animation-delay: var(--d, 0s);
}

/* --- Status variants --- */

.vendor-card.operational {
    border-top-color: var(--ok);
}

.vendor-card.degraded {
    border-top-color: var(--warn);
    background: linear-gradient(180deg, var(--warn-dim) 0%, var(--surface) 50%);
}

.vendor-card.degraded:hover {
    background: linear-gradient(180deg, var(--warn-dim) 0%, var(--surface-hover) 50%);
}

.vendor-card.outage {
    border-top-color: var(--crit);
    background: linear-gradient(180deg, var(--crit-dim) 0%, var(--surface) 40%);
    animation: cardPulse 3s ease-in-out infinite;
}

.vendor-card.outage:hover {
    background: linear-gradient(180deg, rgba(248, 81, 73, 0.1) 0%, var(--surface-hover) 40%);
}

.vendor-card.animate-in.outage {
    animation: cardEnter 0.45s ease forwards, cardPulse 3s ease-in-out infinite;
    animation-delay: var(--d, 0s), 1s;
}

.vendor-card.unknown {
    border-top-color: var(--unk);
}

/* --- Card layout --- */

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.vendor-identity {
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

/* --- Status indicator (LED dot) --- */

.status-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--unk);
    flex-shrink: 0;
}

.status-indicator.operational {
    background: var(--ok);
    box-shadow: 0 0 8px var(--ok-glow);
}

.status-indicator.degraded {
    background: var(--warn);
    box-shadow: 0 0 8px var(--warn-glow);
    animation: dotPulse 2.5s ease-in-out infinite;
}

.status-indicator.outage {
    background: var(--crit);
    box-shadow: 0 0 10px var(--crit-glow);
    animation: dotPulse 1.5s ease-in-out infinite;
}

/* --- Vendor name --- */

.vendor-name a.vendor-link {
    color: inherit;
    text-decoration: none;
}

.vendor-name a.vendor-link:hover {
    text-decoration: underline;
    text-decoration-color: var(--text-3);
    text-underline-offset: 3px;
}

.vendor-name {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--text-1);
    letter-spacing: 0.03em;
    line-height: 1;
}

/* --- Status badge --- */

.status-badge {
    font-family: var(--font-mono);
    font-size: 0.58rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 0.3rem 0.65rem;
    border-radius: 4px;
    background: var(--unk-dim);
    color: var(--unk);
    border: 1px solid rgba(72, 79, 88, 0.2);
    white-space: nowrap;
}

.status-badge.operational {
    background: var(--ok-dim);
    color: var(--ok);
    border-color: rgba(63, 185, 80, 0.15);
}

.status-badge.degraded {
    background: var(--warn-dim);
    color: var(--warn);
    border-color: rgba(210, 153, 34, 0.15);
}

.status-badge.outage {
    background: var(--crit-dim);
    color: var(--crit);
    border-color: rgba(248, 81, 73, 0.15);
}

/* --- Message & timestamp --- */

.vendor-message {
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--text-2);
    line-height: 1.5;
    margin-bottom: 1rem;
}

.vendor-updated {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 300;
    color: var(--text-3);
    letter-spacing: 0.03em;
}

/* ===== ANIMATIONS ===== */

@keyframes cardEnter {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes dotPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

@keyframes cardPulse {
    0%, 100% { box-shadow: 0 -2px 10px rgba(248, 81, 73, 0.06); }
    50% { box-shadow: 0 -2px 25px rgba(248, 81, 73, 0.18); }
}

/* ===== RESPONSIVE ===== */

@media (max-width: 640px) {
    header {
        flex-direction: column;
        gap: 0.75rem;
        text-align: center;
        padding: 1.25rem 1.5rem;
    }

    .header-meta {
        align-items: center;
    }

    #summary-bar {
        justify-content: center;
        flex-wrap: wrap;
        gap: 1rem;
        padding: 0.75rem 1.5rem;
    }

    #vendor-grid {
        grid-template-columns: 1fr;
        padding: 1.25rem 1.5rem;
    }
}

@media (min-width: 1600px) {
    #vendor-grid {
        grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    }
}