/* ===========================================
   HTB Progress Page Styles
   =========================================== */

/* HTB Hero Section */
.htb-hero {
    padding: 120px 0 60px;
    background: linear-gradient(135deg, var(--bg-dark) 0%, #0d1117 100%);
    text-align: center;
    border-bottom: 2px solid var(--dark-purple);
}

.htb-title {
    font-size: 3rem;
    color: var(--orange-pop);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 3px;
}

.htb-subtitle {
    color: var(--text-secondary);
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

/* Stats Cards */
.htb-stats {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.stat-card {
    background: var(--darker-grey);
    border: 2px solid var(--dark-purple);
    border-radius: 8px;
    padding: 1.5rem 2.5rem;
    text-align: center;
    transition: all 0.3s ease;
}

.stat-card:hover {
    border-color: var(--orange-pop);
    transform: translateY(-3px);
    box-shadow: 0 5px 20px rgba(255, 111, 0, 0.2);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--orange-pop);
}

.stat-label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 0.5rem;
}

/* Boxes Section */
.htb-boxes {
    padding: 60px 0 100px;
    background: var(--bg-dark);
}

/* Filter Buttons */
.htb-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    background: transparent;
    border: 2px solid var(--dark-purple);
    color: var(--text-primary);
    padding: 10px 24px;
    border-radius: 4px;
    cursor: pointer;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
}

.filter-btn:hover {
    border-color: var(--orange-pop);
    color: var(--orange-pop);
}

.filter-btn.active {
    background: var(--orange-pop);
    border-color: var(--orange-pop);
    color: var(--bg-dark);
}

/* Box Grid */
.box-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

/* Box Card */
.box-card {
    background: var(--darker-grey);
    border: 2px solid var(--dark-purple);
    border-radius: 8px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.box-card:hover {
    border-color: var(--orange-pop);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(255, 111, 0, 0.2);
}

.box-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.box-name {
    font-size: 1.3rem;
    color: var(--orange-pop);
    margin: 0;
}

/* OS Icons */
.os-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    padding: 4px;
}

.os-icon svg {
    width: 24px;
    height: 24px;
}

.os-icon.linux {
    color: #f5b400;
    background: rgba(245, 180, 0, 0.1);
}

.os-icon.windows {
    color: #00a4ef;
    background: rgba(0, 164, 239, 0.1);
}

/* Difficulty Badges */
.box-info {
    margin-bottom: 1rem;
}

.difficulty-badge {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.difficulty-badge.easy {
    background: rgba(76, 175, 80, 0.2);
    color: #4caf50;
    border: 1px solid #4caf50;
}

.difficulty-badge.medium {
    background: rgba(255, 152, 0, 0.2);
    color: #ff9800;
    border: 1px solid #ff9800;
}

.difficulty-badge.hard {
    background: rgba(244, 67, 54, 0.2);
    color: #f44336;
    border: 1px solid #f44336;
}

.difficulty-badge.insane {
    background: rgba(33, 33, 33, 0.8);
    color: #9e9e9e;
    border: 1px solid #616161;
}

/* Box Footer / Write-up Link */
.box-footer {
    margin-top: auto;
    padding-top: 1rem;
    border-top: 1px solid var(--dark-purple);
}

.writeup-link {
    display: inline-block;
    color: var(--orange-pop);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.writeup-link:hover:not(.disabled) {
    text-decoration: underline;
}

.writeup-link.disabled {
    color: var(--text-secondary);
    cursor: not-allowed;
    font-style: italic;
}

/* Active nav link styling */
.nav-menu a.active {
    color: var(--orange-pop);
    border-bottom: 2px solid var(--orange-pop);
    padding-bottom: 2px;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-secondary);
}

.empty-icon {
    margin-bottom: 1.5rem;
    color: var(--dark-purple);
}

.empty-state h3 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .htb-title {
        font-size: 2rem;
    }

    .htb-stats {
        gap: 1rem;
    }

    .stat-card {
        padding: 1rem 1.5rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .box-grid {
        grid-template-columns: 1fr;
    }

    .htb-filters {
        gap: 0.5rem;
    }

    .filter-btn {
        padding: 8px 16px;
        font-size: 0.8rem;
    }
}