:root {
    --bg: #0a0c10;
    --surface: #12151b;
    --surface-2: #171b22;
    --border: #232830;
    --border-strong: #333a46;
    --text: #e6e8eb;
    --text-dim: #b7bec9;
    --muted: #7d8590;
    --accent: #22d3ee;
    --accent-strong: #67e8f9;
    --accent-contrast: #04141a;
    --danger: #f87171;
    --danger-bg: #2a1516;
    --success: #4ade80;
    --success-bg: #132a1c;
    --warning: #facc15;
    --warning-bg: #2e2708;
    --accent-tint: rgba(34, 211, 238, 0.1);
    --radius: 6px;
    --mono: ui-monospace, "SF Mono", "Cascadia Mono", "JetBrains Mono", Menlo, Consolas, "Liberation Mono", monospace;
    --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --map-filter: invert(92%) hue-rotate(180deg) brightness(0.95) contrast(0.85);
}

@media (prefers-color-scheme: light) {
    :root {
        --bg: #f5f6f8;
        --surface: #ffffff;
        --surface-2: #f0f1f4;
        --border: #dde1e6;
        --border-strong: #c7ccd3;
        --text: #14171c;
        --text-dim: #3a3f47;
        --muted: #6b7280;
        --accent: #0891b2;
        --accent-strong: #0e7490;
        --accent-contrast: #ffffff;
        --danger: #dc2626;
        --danger-bg: #fdecea;
        --success: #16a34a;
        --success-bg: #eafaf0;
        --warning: #a16207;
        --warning-bg: #fef9e7;
        --accent-tint: rgba(8, 145, 178, 0.08);
        --map-filter: none;
    }
}

* {
    box-sizing: border-box;
}

body {
    font-family: var(--sans);
    background: var(--bg);
    color: var(--text);
    margin: 0;
}

/* Top bar */

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 24px;
    border-bottom: 1px solid var(--border);
    background: var(--surface);
}

.brand {
    display: flex;
    align-items: center;
    gap: 9px;
    font-family: var(--mono);
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: -0.01em;
    color: var(--text);
    text-decoration: none;
}

.brand-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent);
    animation: pulse 2.2s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.3;
    }
}

.topbar-tag {
    font-family: var(--mono);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--muted);
}

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

.topbar-link {
    font-family: var(--mono);
    font-size: 0.76rem;
    color: var(--text-dim);
    text-decoration: none;
    padding: 5px 10px;
    border: 1px solid var(--border-strong);
    border-radius: 4px;
    transition: border-color 0.12s ease, color 0.12s ease;
}

.topbar-link:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* Layout */

.container {
    width: 92%;
    max-width: 1040px;
    margin: 0 auto;
    padding: 32px 0 64px;
}

/* Buttons */

.btn {
    padding: 12px 18px;
    font-family: var(--sans);
    font-size: 0.9rem;
    font-weight: 600;
    border: 1px solid transparent;
    border-radius: var(--radius);
    cursor: pointer;
    background: var(--accent);
    color: var(--accent-contrast);
    transition: background-color 0.12s ease, border-color 0.12s ease, color 0.12s ease;
}

.btn:hover {
    background: var(--accent-strong);
}

.btn:disabled {
    opacity: 0.5;
    cursor: default;
}

.btn.secondary {
    background: transparent;
    border-color: var(--border-strong);
    color: var(--text-dim);
}

.btn.secondary:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.chip-btn {
    flex-shrink: 0;
    padding: 6px 12px;
    font-family: var(--mono);
    font-size: 0.78rem;
    background: transparent;
    border: 1px solid var(--border-strong);
    border-radius: 4px;
    color: var(--text-dim);
    cursor: pointer;
}

.chip-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* Status / error */

.status {
    font-family: var(--mono);
    font-size: 0.85rem;
    color: var(--muted);
    margin-bottom: 16px;
}

.error {
    font-family: var(--mono);
    font-size: 0.88rem;
    background: var(--danger-bg);
    border: 1px solid var(--danger);
    color: var(--danger);
    border-radius: var(--radius);
    padding: 12px 16px;
    margin-bottom: 20px;
}

/* Hero readout panel */

.hero {
    position: relative;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px 24px 22px 26px;
    margin-bottom: 20px;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    width: 3px;
    background: var(--accent);
}

.hero-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 6px;
}

.hero-label {
    display: flex;
    align-items: center;
    gap: 7px;
    font-family: var(--mono);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--muted);
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Generic icon sizing, used inside .hero-label, section h2s, and .card h2 */

.icon {
    width: 14px;
    height: 14px;
    color: var(--accent);
    flex-shrink: 0;
}

.icon-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    flex-shrink: 0;
    background: transparent;
    border: 1px solid var(--border-strong);
    border-radius: 4px;
    color: var(--text-dim);
    cursor: pointer;
}

.icon-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.icon-btn .icon {
    width: 14px;
    height: 14px;
    color: currentColor;
    transition: transform 0.35s ease;
}

.icon-btn.spin .icon {
    transform: rotate(180deg);
}

.hero-value {
    font-family: var(--mono);
    font-weight: 600;
    font-size: clamp(1.75rem, 5vw, 2.75rem);
    letter-spacing: -0.01em;
    word-break: break-all;
    color: var(--text);
}

.hero-meta {
    font-family: var(--mono);
    font-size: 0.85rem;
    color: var(--text-dim);
    margin-top: 8px;
    min-height: 1.2em;
}

@media (max-width: 480px) {
    .hero-top {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
}

/* Footer */

footer {
    border-top: 1px solid var(--border);
    margin-top: 40px;
    padding: 18px 24px;
    text-align: center;
}

footer p {
    margin: 0;
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--muted);
}

@media (max-width: 480px) {
    .topbar-tag {
        display: none;
    }
}