/**
 * PWNBOX CYBER COMMAND — CTF ARENA, GLOBAL LEADERBOARD & CERTIFICATES STYLES
 * Bauhaus Cyberpunk Brutalism
 */

.ctf-page-body {
    min-height: 100vh;
    background-color: var(--bg-base);
    color: var(--text-main);
    font-family: 'Work Sans', sans-serif;
    display: flex;
    flex-direction: column;
}

/* Header */
.ctf-top-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 24px;
    background: var(--bg-panel);
    border-bottom: var(--border-width) solid var(--border-color);
    box-shadow: 0 3px 0 var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    flex-wrap: wrap;
    gap: 12px;
}

.ctf-header-left {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.ctf-nav-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    font-family: 'Space Mono', monospace;
    font-size: 0.8rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--text-main);
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    box-shadow: 2px 2px 0 var(--border-color);
    transition: all 0.15s ease;
    cursor: pointer;
    white-space: nowrap;
}

.ctf-nav-btn:hover {
    transform: translate(-1px, -1px);
    box-shadow: 3px 3px 0 var(--border-color);
    background: var(--bauhaus-yellow);
    color: #000;
}

.ctf-header-title-box {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: 8px;
}

.ctf-header-title {
    font-family: 'Space Mono', monospace;
    font-weight: 800;
    font-size: 1.15rem;
    letter-spacing: -0.5px;
}

.ctf-header-tag {
    background: var(--bauhaus-red);
    color: #fff;
    padding: 2px 8px;
    font-family: 'Space Mono', monospace;
    font-size: 0.7rem;
    font-weight: 700;
    border: 1px solid var(--border-color);
}

.ctf-header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Main Container */
.ctf-main-container {
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
    padding: 24px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    gap: 28px;
}

/* Hero Stats Deck */
.ctf-stats-deck {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}

.ctf-stat-card {
    background: var(--bg-panel);
    border: var(--border-width) solid var(--border-color);
    box-shadow: var(--box-shadow);
    padding: 16px 20px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.ctf-stat-val {
    font-family: 'Space Mono', monospace;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--bauhaus-blue);
}

.ctf-stat-lbl {
    font-family: 'Space Mono', monospace;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

/* Master Universal Flag Submit Box */
.universal-flag-box {
    background: var(--bg-panel);
    border: var(--border-width) solid var(--border-color);
    box-shadow: var(--box-shadow);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.flag-box-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
}

.flag-box-title {
    font-family: 'Space Mono', monospace;
    font-size: 1.1rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 8px;
}

.flag-input-group {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.flag-input {
    flex-grow: 1;
    min-width: 280px;
    padding: 12px 18px;
    font-family: 'Space Mono', monospace;
    font-size: 1rem;
    font-weight: 700;
    background: var(--bg-base);
    color: var(--text-main);
    border: 2px solid var(--border-color);
    transition: all 0.15s ease;
}

.flag-input:focus {
    outline: none;
    border-color: var(--bauhaus-blue);
    box-shadow: 2px 2px 0 var(--border-color);
}

.btn-flag-submit {
    padding: 12px 28px;
    font-family: 'Space Mono', monospace;
    font-size: 0.9rem;
    font-weight: 800;
    background: var(--bauhaus-yellow);
    color: #000;
    border: 2px solid var(--border-color);
    box-shadow: 3px 3px 0 var(--border-color);
    cursor: pointer;
    transition: all 0.15s ease;
    white-space: nowrap;
}

.btn-flag-submit:hover {
    transform: translate(-1px, -1px);
    box-shadow: 4px 4px 0 var(--border-color);
    background: #eab308;
}

/* Section Headings */
.ctf-section-title {
    font-family: 'Space Mono', monospace;
    font-size: 1.25rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 4px;
}

/* Tabs */
.ctf-tabs-bar {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.ctf-tab-btn {
    padding: 10px 20px;
    font-family: 'Space Mono', monospace;
    font-size: 0.85rem;
    font-weight: 700;
    background: var(--bg-panel);
    color: var(--text-main);
    border: 2px solid var(--border-color);
    box-shadow: 2px 2px 0 var(--border-color);
    cursor: pointer;
    transition: all 0.15s ease;
}

.ctf-tab-btn:hover {
    background: var(--bg-card);
    transform: translateY(-1px);
}

.ctf-tab-btn.active {
    background: var(--bauhaus-blue);
    color: #fff;
    box-shadow: 3px 3px 0 var(--border-color);
}

/* Challenges Grid */
.challenges-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 20px;
}

@media (max-width: 600px) {
    .challenges-grid {
        grid-template-columns: 1fr;
    }
}

.challenge-card {
    background: var(--bg-panel);
    border: var(--border-width) solid var(--border-color);
    box-shadow: var(--box-shadow);
    padding: 18px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 14px;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.challenge-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--box-shadow-hover);
}

.challenge-card.solved {
    border-color: #10b981;
    background: rgba(16, 185, 129, 0.04);
}

.challenge-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.challenge-badge {
    padding: 2px 8px;
    font-family: 'Space Mono', monospace;
    font-size: 0.7rem;
    font-weight: 700;
    border: 1px solid currentColor;
}

.challenge-points {
    font-family: 'Space Mono', monospace;
    font-size: 0.85rem;
    font-weight: 800;
    color: var(--bauhaus-yellow);
    background: #0f172a;
    padding: 2px 8px;
    border: 1px solid #334155;
}

.challenge-title {
    font-family: 'Space Mono', monospace;
    font-size: 1rem;
    font-weight: 800;
    color: var(--text-main);
}

.challenge-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.45;
}

.challenge-hint {
    font-family: 'Space Mono', monospace;
    font-size: 0.75rem;
    color: var(--bauhaus-blue);
    background: rgba(0, 90, 156, 0.06);
    padding: 6px 10px;
    border-left: 3px solid var(--bauhaus-blue);
}

/* Leaderboard Table */
.leaderboard-table-wrapper {
    background: var(--bg-panel);
    border: var(--border-width) solid var(--border-color);
    box-shadow: var(--box-shadow);
    overflow-x: auto;
}

.leaderboard-table {
    width: 100%;
    border-collapse: collapse;
    font-family: 'Space Mono', monospace;
    font-size: 0.85rem;
    text-align: left;
}

.leaderboard-table th {
    background: #0f172a;
    color: #94a3b8;
    padding: 12px 16px;
    font-weight: 700;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--border-color);
}

.leaderboard-table td {
    padding: 12px 16px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

[data-theme="dark"] .leaderboard-table td {
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.leaderboard-table tr:hover {
    background: rgba(0, 90, 156, 0.05);
}

.leaderboard-table tr.current-user-row {
    background: rgba(242, 169, 0, 0.15) !important;
    font-weight: 700;
}

.rank-badge {
    display: inline-block;
    width: 24px;
    height: 24px;
    line-height: 24px;
    text-align: center;
    border-radius: 50%;
    font-weight: 800;
    font-size: 0.8rem;
}

.rank-gold { background: #facc15; color: #000; }
.rank-silver { background: #94a3b8; color: #000; }
.rank-bronze { background: #d97706; color: #fff; }

/* Certificate Deck */
.certificate-deck {
    background: var(--bg-panel);
    border: var(--border-width) solid var(--border-color);
    box-shadow: var(--box-shadow);
    padding: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.certificate-canvas-container {
    max-width: 900px;
    width: 100%;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
    border: 3px solid var(--border-color);
}

#certificateCanvas {
    width: 100%;
    height: auto;
    display: block;
}

.cert-btn-group {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
}

.btn-cert-download {
    padding: 12px 24px;
    font-family: 'Space Mono', monospace;
    font-size: 0.85rem;
    font-weight: 800;
    background: var(--bauhaus-blue);
    color: #fff;
    border: 2px solid var(--border-color);
    box-shadow: 3px 3px 0 var(--border-color);
    cursor: pointer;
    transition: all 0.15s ease;
}

.btn-cert-download:hover {
    transform: translate(-1px, -1px);
    box-shadow: 4px 4px 0 var(--border-color);
    background: #1d4ed8;
}

.btn-cert-print {
    padding: 12px 24px;
    font-family: 'Space Mono', monospace;
    font-size: 0.85rem;
    font-weight: 800;
    background: var(--bg-card);
    color: var(--text-main);
    border: 2px solid var(--border-color);
    box-shadow: 3px 3px 0 var(--border-color);
    cursor: pointer;
    transition: all 0.15s ease;
}

.btn-cert-print:hover {
    transform: translate(-1px, -1px);
    background: var(--bauhaus-yellow);
    color: #000;
}