/* ============================================
   CHANGELOG.CSS - Changelog Page Styles
   ============================================ */

/* ============ NAVBAR OVERRIDES FOR LIGHT PAGES ============ */
.navbar-light {
    background: rgba(254, 254, 254, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
}

.navbar-light .navbar-logo .logo-light {
    display: block !important;
}

.navbar-light .navbar-logo .logo-dark {
    display: none !important;
}

.navbar-light .nav-link {
    color: var(--color-ink-muted);
}

.navbar-light .nav-link::after {
    background: var(--color-primary);
}

.navbar-light .nav-link:hover {
    color: var(--color-primary);
}

.navbar-light .nav-link.active {
    color: var(--color-primary);
}

.navbar-light .nav-signin {
    color: var(--color-ink-muted);
}

.navbar-light .nav-signin:hover {
    color: var(--color-primary);
}

.navbar-light .nav-separator {
    background: var(--color-border);
}

.navbar-light .menu-toggle span {
    background: var(--color-ink);
}

/* ============ CHANGELOG HERO ============ */
.changelog-hero {
    padding: 160px 0 20px;
    background: linear-gradient(180deg, var(--color-paper-cool) 0%, var(--color-paper) 100%);
    text-align: center;
}

.changelog-hero-content {
    max-width: 640px;
    margin: 0 auto;
}

.changelog-hero-title {
    font-size: clamp(2.25rem, 5vw, 3rem);
    color: var(--color-ink);
    margin-bottom: var(--space-md);
}

.changelog-hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-ink-muted);
    line-height: 1.7;
}

/* ============ CHANGELOG SECTION ============ */
.changelog-section {
    padding: var(--space-4xl) 0;
    background: var(--color-paper);
}

.changelog-container {
    max-width: 800px;
    margin: 0 auto;
}

/* ============ CHANGELOG ENTRY ============ */
.changelog-entry {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: var(--space-xl);
    padding-bottom: var(--space-3xl);
    padding-top: var(--space-lg);
    margin-bottom: var(--space-lg);
    border-bottom: 1px solid var(--color-border-light);
}

.changelog-entry:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

@media (max-width: 768px) {
    .changelog-entry {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
}

/* ============ CHANGELOG DATE ============ */
.changelog-date {
    text-align: center;
    position: sticky;
    top: 100px;
    height: fit-content;
}

@media (max-width: 768px) {
    .changelog-date {
        position: static;
        text-align: left;
        display: flex;
        align-items: baseline;
        gap: var(--space-xs);
    }
}

.date-day {
    display: block;
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 600;
    color: var(--color-ink);
    line-height: 1;
}

@media (max-width: 768px) {
    .date-day {
        font-size: 1.25rem;
    }
}

.date-month {
    display: block;
    font-size: 0.875rem;
    color: var(--color-ink-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ============ CHANGELOG CONTENT ============ */
.changelog-content {
    background: var(--color-paper);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: all var(--transition-base);
}

.changelog-content:hover {
    box-shadow: var(--shadow-md);
}

.changelog-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    flex-wrap: wrap;
}

.version-badge {
    padding: 4px 10px;
    background: var(--color-ink);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    font-family: monospace;
}

.version-tag {
    padding: 4px 10px;
    font-size: 0.6875rem;
    font-weight: 600;
    border-radius: 100px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.version-tag.new {
    background: var(--color-green-soft);
    color: var(--color-green);
}

.version-tag.fix {
    background: var(--color-red-soft);
    color: var(--color-red);
}

.version-tag.improvement {
    background: var(--color-blue-soft);
    color: var(--color-blue);
}

.version-tag.major {
    background: var(--color-purple-soft);
    color: var(--color-purple);
}

.changelog-content h2 {
    font-size: 1.25rem;
    color: var(--color-ink);
    margin-bottom: var(--space-sm);
}

.changelog-content > p {
    font-size: 0.9375rem;
    color: var(--color-ink-muted);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
}

/* ============ CHANGELOG CHANGES ============ */
.changelog-changes {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.change-group h4 {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-body);
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-sm);
}

.change-group h4 i {
    font-size: 0.875rem;
}

/* New - green */
.change-group h4 .fa-plus-circle {
    color: var(--color-green);
}

.change-group:has(.fa-plus-circle) h4 {
    color: var(--color-green);
}

/* Improved - blue */
.change-group h4 .fa-wrench {
    color: var(--color-blue);
}

.change-group:has(.fa-wrench) h4 {
    color: var(--color-blue);
}

/* Fixed - orange/red */
.change-group h4 .fa-bug {
    color: var(--color-primary);
}

.change-group:has(.fa-bug) h4 {
    color: var(--color-primary);
}

.change-group ul {
    list-style: none;
    margin: 0;
    padding-left: var(--space-lg);
}

.change-group li {
    position: relative;
    padding: var(--space-xs) 0;
    font-size: 0.9375rem;
    color: var(--color-ink-muted);
    line-height: 1.5;
}

.change-group li::before {
    content: '•';
    position: absolute;
    left: calc(-1 * var(--space-md));
    color: var(--color-border);
}

/* ============ LOAD MORE ============ */
.changelog-load-more {
    text-align: center;
    padding-top: var(--space-xl);
    max-width: 800px;
    margin: 0 auto;
}

.changelog-load-more p {
    font-size: 0.9375rem;
    color: var(--color-ink-muted);
}

.changelog-load-more a {
    color: var(--color-primary);
    font-weight: 500;
}

.changelog-load-more a:hover {
    text-decoration: underline;
}

.changelog-load-more .btn-outline {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-lg);
    background: transparent;
    border: 1.5px solid var(--color-border);
    color: var(--color-ink-muted);
    font-size: 0.8125rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
}

.changelog-load-more .btn-outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--color-primary-soft);
}

/* Ensure all child elements inherit color on hover */
.changelog-load-more .btn-outline:hover * {
    color: inherit;
}

.changelog-load-more .btn-outline i {
    font-size: 0.75rem;
}

.load-more-count {
    color: inherit;
    font-weight: 400;
    transition: color var(--transition-base);
}

/* ============ HIDDEN/REVEALED STATES ============ */
.changelog-entry.changelog-hidden {
    display: none;
}

.changelog-entry.changelog-revealed {
    display: grid;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease-out, transform 0.4s ease-out;
}

.changelog-entry.changelog-revealed.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============ SUBSCRIBE SECTION ============ */
.changelog-subscribe-section {
    padding: var(--space-3xl) 0;
    background: var(--color-paper-cool);
}

.changelog-subscribe {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
    padding: var(--space-xl) var(--space-2xl);
    background: var(--color-paper);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    max-width: 800px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .changelog-subscribe {
        flex-direction: column;
        text-align: center;
        padding: var(--space-xl);
    }
}

.subscribe-icon {
    width: 56px;
    height: 56px;
    background: var(--color-primary-soft);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.subscribe-content {
    flex: 1;
}

.subscribe-content h3 {
    font-family: var(--font-body);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-ink);
    margin-bottom: 4px;
}

.subscribe-content p {
    font-size: 0.9375rem;
    color: var(--color-ink-muted);
    margin: 0;
}

.subscribe-form {
    display: flex;
    gap: var(--space-sm);
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .subscribe-form {
        width: 100%;
        flex-direction: column;
    }
}

.subscribe-form input {
    padding: var(--space-sm) var(--space-md);
    font-family: var(--font-body);
    font-size: 0.9375rem;
    color: var(--color-ink);
    background: var(--color-paper);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    min-width: 220px;
    transition: all var(--transition-fast);
}

.subscribe-form input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-soft);
}

.subscribe-form input::placeholder {
    color: var(--color-ink-muted);
    opacity: 0.6;
}

@media (max-width: 768px) {
    .subscribe-form input {
        min-width: auto;
        width: 100%;
    }
    
    .subscribe-form .btn {
        width: 100%;
    }
}

/* ============ EMPTY STATE ============ */
.changelog-empty {
    text-align: center;
    padding: var(--space-4xl) var(--space-xl);
    background: var(--color-paper);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
}

.changelog-empty .empty-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-lg);
    background: var(--color-paper-cool);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-ink-muted);
    font-size: 2rem;
}

.changelog-empty h3 {
    font-family: var(--font-body);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-ink);
    margin-bottom: var(--space-sm);
}

.changelog-empty p {
    font-size: 0.9375rem;
    color: var(--color-ink-muted);
    margin: 0;
}