.backdrop-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    display: block;
    z-index: -1;
    opacity: 0.5;
}

.status-strip {
    background: var(--bg-panel-alt);
    border-bottom: 1px solid var(--border);
    font-family: var(--font-display);
    font-size: 0.7rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-dim);
}
.status-strip-inner { display: flex; align-items: center; gap: 0.7rem; padding: 0.4rem 1.5rem; overflow-x: auto; white-space: nowrap; }
.status-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--phosphor); box-shadow: 0 0 6px var(--phosphor-glow); flex-shrink: 0; animation: blink 2.4s steps(1) infinite; }
.status-sep { color: var(--text-mute); }
.status-strip.is-paused { background: rgba(255, 176, 32, 0.08); border-bottom-color: var(--amber); color: var(--amber); }
.status-strip.is-paused .status-dot { background: var(--amber); box-shadow: 0 0 6px var(--red-glow); animation-duration: 0.9s; }

.paused-banner {
    background: rgba(255, 176, 32, 0.1);
    border-bottom: 1px solid var(--amber);
    color: var(--amber);
    font-size: 0.85rem;
    padding: 0.6rem 0;
}

.site-header {
    border-bottom: 1px solid var(--border);
    background: rgba(5, 7, 10, 0.85);
    backdrop-filter: blur(4px);
    position: sticky;
    top: 0;
    z-index: 50;
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.85rem 1.5rem;
}
.brand { display: flex; align-items: center; gap: 0.6rem; }
.brand-logo { height: 28px; width: auto; }
.brand-name {
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: 0.04em;
    color: var(--text);
}
.main-nav { display: flex; align-items: center; gap: 1.3rem; font-family: var(--font-display); font-size: 0.85rem; }
.main-nav a { color: var(--text-dim); }
.main-nav a:hover { color: var(--phosphor); text-decoration: none; }
.nav-team { font-size: 0.8rem; }

.announcement-bar {
    background: rgba(255, 176, 32, 0.08);
    border-bottom: 1px solid var(--border);
    color: var(--amber);
    font-size: 0.88rem;
    padding: 0.5rem 0;
}

.site-main { padding: 2.5rem 1.5rem 4rem; min-height: 60vh; }

/* Hero */
.hero { position: relative; padding: 4rem 0 2.5rem; text-align: left; overflow: visible; }
.hero h1 {
    font-size: clamp(2.4rem, 5.5vw, 4rem);
    line-height: 1.1;
    margin-bottom: 0.4rem;
    text-shadow: 0 0 40px var(--phosphor-glow);
}
.hero .subhead { color: var(--text-dim); font-size: 1.15rem; max-width: 46em; margin-bottom: 1.8rem; }
.hero-actions { display: flex; gap: 0.9rem; margin-bottom: 2.5rem; }
.hero-stats {
    position: relative;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border-bright);
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 2.5rem;
    box-shadow: 0 20px 50px -30px rgba(0, 0, 0, 0.8);
}
.hero-stat { position: relative; background: var(--bg-panel); padding: 1.2rem 1.3rem; transition: background 0.2s ease; }
.hero-stat:hover { background: var(--bg-raised); }
.hero-stat .num { font-family: var(--font-display); font-weight: 700; font-size: 2rem; color: var(--phosphor); text-shadow: 0 0 16px var(--phosphor-glow); }
.hero-stat .label { font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-dim); }

.hero-decor {
    position: absolute;
    top: -60px;
    left: -60px;
    right: -60px;
    bottom: -60px;
    z-index: -1;
}

.countdown-block { font-family: var(--font-display); font-size: 2rem; color: var(--phosphor); }

/* Challenge grid */
.category-group { margin-bottom: 2.5rem; }
.category-group h2 { text-transform: uppercase; font-size: 1.1rem; margin-bottom: 1rem; }
.challenge-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1rem; }
.challenge-card { display: flex; flex-direction: column; gap: 0.6rem; transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease; }
.challenge-card:not(.is-locked):hover { transform: translateY(-3px); border-color: var(--phosphor-dim); box-shadow: 0 8px 24px rgba(0,0,0,0.4), 0 0 16px var(--phosphor-glow); }
.challenge-card .card-top { display: flex; justify-content: space-between; align-items: flex-start; }
.challenge-card h3 { font-size: 1rem; margin: 0; }
.challenge-card h3 a { color: var(--text); }
.challenge-card h3 a:hover { color: var(--phosphor); }
.challenge-card .points { font-family: var(--font-display); color: var(--phosphor); font-size: 0.85rem; }
.challenge-card .card-actions { display: flex; justify-content: space-between; align-items: center; margin-top: auto; }
.challenge-card.is-solved { border-color: var(--phosphor-dim); }
.challenge-card.is-locked { opacity: 0.55; }

/* Inspect sidebar */
#inspect-backdrop {
    position: fixed; inset: 0; background: rgba(0,0,0,0.55);
    opacity: 0; pointer-events: none; transition: opacity 0.2s ease; z-index: 90;
}
#inspect-backdrop.open { opacity: 1; pointer-events: auto; }
#inspect-sidebar {
    position: fixed; top: 0; right: 0; bottom: 0; width: min(420px, 92vw);
    background: var(--bg-panel); border-left: 1px solid var(--border-bright);
    transform: translateX(100%); transition: transform 0.22s ease;
    z-index: 91; overflow-y: auto; padding: 1.5rem;
}
#inspect-sidebar.open { transform: translateX(0); }
#inspect-sidebar .insp-head { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 1rem; }
#inspect-sidebar .insp-title { font-size: 1.15rem; margin: 0.3rem 0; }
#inspect-sidebar .insp-desc { color: var(--text-dim); font-size: 0.9rem; margin-bottom: 1rem; }
.insp-connection { background: var(--bg-void); border: 1px solid var(--border); padding: 0.75rem; border-radius: var(--radius); margin-bottom: 1rem; }
.flag-result { margin-top: 0.5rem; font-size: 0.85rem; }

/* Leaderboard */
.leaderboard-table td:first-child { color: var(--text-dim); width: 3em; }
.leaderboard-table tr.rank-1 td { color: var(--phosphor); text-shadow: 0 0 10px var(--phosphor-glow); }
.leaderboard-table tr.rank-2 td { color: var(--cyan); }
.leaderboard-table tr.rank-3 td { color: var(--amber); }
.leaderboard-table tr.rank-1, .leaderboard-table tr.rank-2, .leaderboard-table tr.rank-3 { font-weight: 600; }

/* Rules / prose pages */
.prose h2 { margin-top: 2rem; }
.prose p, .prose li { color: var(--text-dim); }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding: 2.5rem 0; margin-top: 3rem; }
.footer-inner { display: flex; flex-wrap: wrap; gap: 2rem; justify-content: space-between; }
.footer-feed { flex: 1 1 380px; }
.terminal-log-compact { max-height: 160px; }
.footer-meta { font-size: 0.82rem; max-width: 26em; }
.footer-links { display: flex; gap: 1rem; margin-top: 0.6rem; font-family: var(--font-display); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.05em; }
.footer-links a { color: var(--text-dim); }
.footer-links a:hover { color: var(--phosphor); }

.cookie-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 95;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}
.cookie-backdrop.visible { opacity: 1; pointer-events: auto; }

.cookie-modal {
    position: fixed;
    left: 50%;
    top: 50%;
    width: min(460px, 92vw);
    max-height: 88vh;
    overflow-y: auto;
    text-align: left;
    z-index: 96;
    opacity: 0;
    pointer-events: none;
    transform: translate(-50%, -50%) scale(0.96);
    transition: opacity 0.2s ease, transform 0.2s ease;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}
.cookie-modal.visible {
    opacity: 1;
    pointer-events: auto;
    transform: translate(-50%, -50%) scale(1);
}
.cookie-modal p { color: var(--text-dim); font-size: 0.9rem; margin: 0.8rem 0; }
.cookie-modal a { color: var(--cyan); }

.cookie-details { margin: 0.9rem 0; border: 1px solid var(--border-bright); border-radius: var(--radius); background: var(--bg-void); }
.cookie-details summary {
    cursor: pointer;
    list-style: none;
    padding: 0.7em 0.9em;
    font-family: var(--font-display);
    font-size: 0.78rem;
    letter-spacing: 0.03em;
    color: var(--phosphor);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.cookie-details summary::-webkit-details-marker { display: none; }
.cookie-details summary::after { content: "+"; color: var(--text-dim); font-size: 1rem; }
.cookie-details[open] summary::after { content: "\2212"; }
.cookie-details[open] summary { border-bottom: 1px solid var(--border); }
.cookie-table { width: 100%; font-size: 0.82rem; }
.cookie-table th { width: 30%; color: var(--text-dim); font-weight: 500; vertical-align: top; padding: 0.55em 0.9em; }
.cookie-table td { color: var(--text-dim); padding: 0.55em 0.9em 0.55em 0; }
.cookie-table tr:hover td, .cookie-table tr:hover th { background: transparent; }

.cookie-decline-note {
    display: none;
    font-size: 0.8rem;
    color: var(--amber);
    background: rgba(255, 176, 32, 0.08);
    border: 1px solid var(--amber);
    border-radius: var(--radius);
    padding: 0.7em 0.9em;
}
.cookie-decline-note.visible { display: block; }

.cookie-actions { display: flex; justify-content: flex-end; gap: 0.7rem; margin-top: 1.1rem; }

@media (max-width: 720px) {
    .header-inner { flex-direction: column; gap: 0.6rem; align-items: flex-start; }
    .main-nav { flex-wrap: wrap; gap: 0.8rem; }
}