/* Changelog Page Styles */

.changelog-hero {
    background: linear-gradient(180deg, var(--brand-dark-blue) 0%, var(--brand-blue) 100%);
    color: white;
    padding: var(--space-16) var(--space-5) var(--space-12);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.changelog-hero-content {
    position: relative;
    z-index: 1;
    max-width: 720px;
    margin: 0 auto;
}

.changelog-hero h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-3);
    letter-spacing: -0.02em;
}

.changelog-hero p {
    font-size: var(--text-lg);
    opacity: 0.9;
    line-height: var(--leading-relaxed);
    margin: 0;
}

.changelog-content {
    padding: var(--space-12) var(--space-5);
    background: var(--brand-off-white);
    max-width: 820px;
    margin: 0 auto;
}

.changelog-empty {
    text-align: center;
    color: var(--gray-500);
    padding: var(--space-12) 0;
}

.changelog-month {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    padding: var(--space-8);
    margin-bottom: var(--space-8);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.changelog-month-header {
    display: flex;
    align-items: baseline;
    gap: var(--space-2);
    border-bottom: 1px solid var(--gray-100);
    padding-bottom: var(--space-4);
    margin-bottom: var(--space-5);
}

.changelog-month-header h2 {
    font-size: clamp(1.5rem, 2.5vw, 1.875rem);
    font-weight: var(--font-weight-bold);
    color: var(--brand-very-dark-blue);
    letter-spacing: -0.02em;
    margin: 0;
}

.changelog-anchor {
    color: var(--gray-300);
    text-decoration: none;
    font-weight: var(--font-weight-bold);
    font-size: 1.25rem;
    opacity: 0;
    transition: opacity 0.15s ease, color 0.15s ease;
}

.changelog-month:hover .changelog-anchor,
.changelog-anchor:focus {
    opacity: 1;
}

.changelog-anchor:hover {
    color: var(--brand-blue);
}

.changelog-body h3 {
    font-size: 0.8125rem;
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin: var(--space-6) 0 var(--space-3);
    color: var(--gray-700);
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-1) var(--space-3);
    border-radius: 6px;
    background: var(--gray-100);
}

.changelog-body h3:first-child {
    margin-top: 0;
}

/* Bucket-specific colors via heading text match — applied via attribute selectors below */
.changelog-body h3#new,
.changelog-body h3[id^="new"] {
    color: var(--color-success);
    background: var(--color-success-bg);
}

.changelog-body h3#improved,
.changelog-body h3[id^="improved"] {
    color: var(--brand-blue);
    background: var(--color-info-bg);
}

.changelog-body h3#fixed,
.changelog-body h3[id^="fixed"] {
    color: var(--color-warning);
    background: var(--color-warning-bg);
}

.changelog-body h3#security,
.changelog-body h3[id^="security"] {
    color: var(--color-danger);
    background: var(--color-danger-bg);
}

.changelog-body ul {
    margin: 0 0 var(--space-4) var(--space-2);
    padding-left: var(--space-4);
    list-style: disc;
}

.changelog-body li {
    color: var(--gray-700);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-2);
}

.changelog-body p {
    color: var(--gray-700);
    line-height: var(--leading-relaxed);
    margin: 0 0 var(--space-3);
}

.changelog-body code {
    background: var(--gray-100);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.875em;
    color: var(--brand-dark-blue);
}

.changelog-body strong {
    color: var(--brand-very-dark-blue);
}

.changelog-cta {
    text-align: center;
    color: var(--gray-600);
    margin-top: var(--space-8);
    padding: var(--space-6) 0;
    border-top: 1px solid var(--gray-200);
}

.changelog-cta a {
    color: var(--brand-blue);
    text-decoration: none;
    font-weight: var(--font-weight-semibold);
}

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

@media (max-width: 640px) {
    .changelog-month {
        padding: var(--space-6) var(--space-5);
    }

    .changelog-anchor {
        opacity: 1;
    }
}

/* ====== Dark Theme ====== */
html[data-bs-theme="dark"] .changelog-content {
    background: var(--bg-primary);
}

html[data-bs-theme="dark"] .changelog-empty {
    color: var(--text-muted);
}

html[data-bs-theme="dark"] .changelog-month {
    background: var(--bg-surface);
    border-color: var(--border-color);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

html[data-bs-theme="dark"] .changelog-month-header {
    border-bottom-color: var(--border-color);
}

html[data-bs-theme="dark"] .changelog-month-header h2 {
    color: var(--text-primary);
}

html[data-bs-theme="dark"] .changelog-anchor {
    color: var(--text-muted);
}

html[data-bs-theme="dark"] .changelog-anchor:hover {
    color: var(--brand-blue-light);
}

html[data-bs-theme="dark"] .changelog-body h3 {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-tertiary);
}

html[data-bs-theme="dark"] .changelog-body h3#new,
html[data-bs-theme="dark"] .changelog-body h3[id^="new"] {
    color: var(--color-success-light);
    background: rgba(16, 185, 129, 0.12);
}

html[data-bs-theme="dark"] .changelog-body h3#improved,
html[data-bs-theme="dark"] .changelog-body h3[id^="improved"] {
    color: var(--brand-blue-light);
    background: rgba(59, 130, 246, 0.12);
}

html[data-bs-theme="dark"] .changelog-body h3#fixed,
html[data-bs-theme="dark"] .changelog-body h3[id^="fixed"] {
    color: var(--color-warning-light);
    background: rgba(245, 158, 11, 0.12);
}

html[data-bs-theme="dark"] .changelog-body h3#security,
html[data-bs-theme="dark"] .changelog-body h3[id^="security"] {
    color: var(--color-danger-light);
    background: rgba(239, 68, 68, 0.12);
}

html[data-bs-theme="dark"] .changelog-body li,
html[data-bs-theme="dark"] .changelog-body p {
    color: var(--text-secondary);
}

html[data-bs-theme="dark"] .changelog-body strong {
    color: var(--text-primary);
}

html[data-bs-theme="dark"] .changelog-body code {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
}

html[data-bs-theme="dark"] .changelog-cta {
    color: var(--text-secondary);
    border-top-color: var(--border-color);
}

html[data-bs-theme="dark"] .changelog-cta a {
    color: var(--brand-blue-light);
}