/* ============================================
   Changelog Page Styles
   ============================================ */

/* Hero */
.changelog-hero {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    padding: 4rem 2rem 3rem;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.changelog-hero-content h1 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.changelog-hero-content h1 i {
    color: var(--primary);
}

.changelog-hero-content p {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Main Layout */
.changelog-main {
    display: flex;
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

.changelog-content {
    flex: 1;
    max-width: 750px;
}

/* Changelog Entry */
.changelog-entry {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    margin-bottom: 2rem;
    overflow: hidden;
}

.version-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.version-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.version-tag {
    background: var(--primary);
    color: white;
    padding: 0.35rem 0.75rem;
    border-radius: var(--radius);
    font-weight: 700;
    font-size: 0.9rem;
}

.version-label {
    padding: 0.25rem 0.6rem;
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.version-label.latest {
    background: rgba(16, 185, 129, 0.15);
    color: #10b981;
}

.version-label.beta {
    background: rgba(245, 158, 11, 0.15);
    color: #f59e0b;
}

.version-date {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.version-content {
    padding: 1.5rem;
}

/* Change Groups */
.change-group {
    margin-bottom: 1.5rem;
}

.change-group:last-child {
    margin-bottom: 0;
}

.change-group h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.change-group h3 i {
    font-size: 0.9rem;
}

/* Icon colors */
.change-group h3 i.fa-plus-circle {
    color: #10b981;
}

.change-group h3 i.fa-wrench {
    color: #3b82f6;
}

.change-group h3 i.fa-bug {
    color: #ef4444;
}

.change-group h3 i.fa-rocket {
    color: var(--primary);
}

.change-group h3 i.fa-flask {
    color: #f59e0b;
}

.change-group ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.change-group li {
    position: relative;
    padding: 0.4rem 0 0.4rem 1.25rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

.change-group li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--text-muted);
}

/* Sidebar */
.changelog-sidebar {
    width: 280px;
    flex-shrink: 0;
}

.sidebar-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.sidebar-card h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    margin-bottom: 0.75rem;
}

.sidebar-card h3 i {
    color: var(--primary);
}

.sidebar-card p {
    color: var(--text-muted);
    font-size: 0.85rem;
    line-height: 1.5;
    margin-bottom: 1rem;
}

.github-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.75rem;
    background: #24292e;
    color: white;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    transition: var(--transition);
}

.github-btn:hover {
    background: #1a1e22;
    transform: translateY(-2px);
}

.submit-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.75rem;
    background: var(--primary);
    color: white;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    transition: var(--transition);
}

.submit-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
}

/* Stats Card */
.sidebar-card.stats {
    text-align: center;
}

.stat-item {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

.stat-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.stat-item:first-of-type {
    padding-top: 0;
}

.stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Footer */
.changelog-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 2rem;
    text-align: center;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-content p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary);
}

/* Responsive */
@media (max-width: 900px) {
    .changelog-main {
        flex-direction: column;
    }

    .changelog-sidebar {
        width: 100%;
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 1rem;
    }

    .sidebar-card {
        margin-bottom: 0;
    }
}

@media (max-width: 600px) {
    .changelog-hero-content h1 {
        font-size: 1.75rem;
    }

    .changelog-main {
        padding: 2rem 1rem;
    }

    .version-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .footer-content {
        flex-direction: column;
        gap: 1rem;
    }
}