/* ========================================
   GestãoBLZ - Changelog / Atualizações
   Página de changelog com timeline visual
   ======================================== */

/* ── Container principal ── */
.changelog-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 24px 16px 48px;
}

/* ── Cabeçalho da página ── */
.changelog-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--gray-100, #e9ecef);
    flex-wrap: wrap;
    gap: 16px;
}

.changelog-header-info {
    display: flex;
    align-items: center;
    gap: 16px;
}

.changelog-header-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--primary-color, #F67537), var(--primary-dark, #e5642e));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.35rem;
    flex-shrink: 0;
    box-shadow: 0 4px 14px rgba(246, 117, 55, 0.25);
}

.changelog-header-text h2 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-800, #212529);
    margin: 0;
    line-height: 1.3;
}

.changelog-header-text p {
    font-size: 0.813rem;
    color: var(--gray-500, #6c757d);
    margin: 4px 0 0;
    line-height: 1.4;
}

.changelog-mark-all-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    border: 1px solid var(--primary-color, #F67537);
    background: transparent;
    color: var(--primary-color, #F67537);
    border-radius: var(--border-radius-sm, 8px);
    font-size: 0.813rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast, 0.2s ease-in-out);
    white-space: nowrap;
}

.changelog-mark-all-btn:hover {
    background: var(--primary-color, #F67537);
    color: #fff;
    box-shadow: 0 4px 14px rgba(246, 117, 55, 0.3);
}

.changelog-mark-all-btn i {
    font-size: 0.75rem;
}

/* ── Estado vazio ── */
.changelog-empty {
    text-align: center;
    padding: 80px 24px;
}

.changelog-empty-icon {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(246, 117, 55, 0.1), rgba(246, 117, 55, 0.05));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 2.5rem;
    color: var(--primary-color, #F67537);
}

.changelog-empty h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-700, #343a40);
    margin: 0 0 8px;
}

.changelog-empty p {
    font-size: 0.938rem;
    color: var(--gray-500, #6c757d);
    margin: 0;
    max-width: 400px;
    margin-inline: auto;
}

/* ── Loading skeleton ── */
.changelog-loading {
    padding: 24px 0;
}

.changelog-skeleton {
    display: flex;
    gap: 20px;
    padding: 20px 0;
}

.changelog-skeleton-line {
    height: 16px;
    border-radius: 8px;
    background: linear-gradient(90deg, var(--gray-100, #e9ecef) 25%, var(--gray-200, #dee2e6) 50%, var(--gray-100, #e9ecef) 75%);
    background-size: 200% 100%;
    animation: changelog-shimmer 1.5s infinite;
}

.changelog-skeleton-card {
    border-radius: var(--border-radius, 12px);
    padding: 24px;
    margin-bottom: 20px;
    background: var(--white, #fff);
    border: 1px solid var(--gray-100, #e9ecef);
}

@keyframes changelog-shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* ── Timeline ── */
.changelog-timeline {
    position: relative;
}

.changelog-timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary-color, #F67537), var(--gray-200, #dee2e6));
    border-radius: 2px;
    opacity: 0.4;
}

/* ── Card de atualização ── */
.changelog-card {
    position: relative;
    margin-left: 44px;
    margin-bottom: 24px;
    padding: 24px;
    background: var(--white, #fff);
    border: 1px solid var(--gray-100, #e9ecef);
    border-radius: var(--border-radius, 12px);
    box-shadow: var(--shadow-sm, 0 1px 3px rgba(0, 0, 0, 0.1));
    transition: all var(--transition-normal, 0.3s ease-in-out);
    animation: changelog-fadeIn 0.4s ease-out both;
}

.changelog-card:hover {
    box-shadow: var(--shadow-md, 0 4px 12px rgba(0, 0, 0, 0.1));
    border-color: var(--gray-200, #dee2e6);
}

.changelog-card.unread {
    border-left: 3px solid var(--primary-color, #F67537);
}

.changelog-card.unread::after {
    content: '';
    position: absolute;
    top: 16px;
    right: 16px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--primary-color, #F67537);
    box-shadow: 0 0 0 3px rgba(246, 117, 55, 0.2);
    animation: changelog-pulse 2s infinite;
}

@keyframes changelog-pulse {
    0%, 100% { box-shadow: 0 0 0 3px rgba(246, 117, 55, 0.2); }
    50% { box-shadow: 0 0 0 6px rgba(246, 117, 55, 0.1); }
}

@keyframes changelog-fadeIn {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.changelog-card:nth-child(1) { animation-delay: 0s; }
.changelog-card:nth-child(2) { animation-delay: 0.08s; }
.changelog-card:nth-child(3) { animation-delay: 0.16s; }
.changelog-card:nth-child(4) { animation-delay: 0.24s; }
.changelog-card:nth-child(5) { animation-delay: 0.32s; }

/* ── Dot do timeline ── */
.changelog-card::before {
    content: '';
    position: absolute;
    left: -32px;
    top: 30px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary-color, #F67537);
    border: 3px solid var(--white, #fff);
    box-shadow: 0 0 0 2px var(--primary-color, #F67537);
    z-index: 1;
}

/* ── Card header ── */
.changelog-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.changelog-card-title-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.changelog-card-version {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--gray-800, #212529);
    margin: 0;
}

.changelog-card-title-text {
    font-weight: 700;
}

.changelog-card-date {
    font-size: 0.813rem;
    color: var(--gray-500, #6c757d);
}

.changelog-card-date i {
    margin-right: 4px;
}

/* ── Badge de tipo ── */
.changelog-type-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    white-space: nowrap;
    flex-shrink: 0;
}

.changelog-type-badge.feature {
    background: rgba(40, 167, 69, 0.1);
    color: #1e7e34;
}

.changelog-type-badge.improvement {
    background: rgba(23, 162, 184, 0.1);
    color: #117a8b;
}

.changelog-type-badge.fix {
    background: rgba(255, 193, 7, 0.12);
    color: #b8860b;
}

.changelog-type-badge.breaking {
    background: rgba(220, 53, 69, 0.1);
    color: #c82333;
}

/* ── Lista de mudanças ── */
.changelog-changes {
    list-style: none;
    padding: 0;
    margin: 0 0 16px;
}

.changelog-change-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 6px 0;
    font-size: 0.875rem;
    color: var(--gray-600, #495057);
    line-height: 1.5;
}

.changelog-change-icon {
    width: 22px;
    height: 22px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    flex-shrink: 0;
    margin-top: 1px;
}

.changelog-change-icon.feature {
    background: rgba(40, 167, 69, 0.1);
    color: #28a745;
}

.changelog-change-icon.improvement {
    background: rgba(23, 162, 184, 0.1);
    color: #17a2b8;
}

.changelog-change-icon.fix {
    background: rgba(255, 193, 7, 0.12);
    color: #d4a017;
}

/* ── Ações do card ── */
.changelog-card-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    padding-top: 12px;
    border-top: 1px solid var(--gray-100, #e9ecef);
}

.changelog-mark-read-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border: 1px solid var(--primary-color, #F67537);
    background: transparent;
    color: var(--primary-color, #F67537);
    border-radius: var(--border-radius-sm, 8px);
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast, 0.2s ease-in-out);
}

.changelog-mark-read-btn:hover {
    background: var(--primary-color, #F67537);
    color: #fff;
}

.changelog-mark-read-btn.read {
    background: rgba(40, 167, 69, 0.08);
    border-color: rgba(40, 167, 69, 0.2);
    color: #28a745;
    cursor: default;
}

.changelog-mark-read-btn.read i {
    color: #28a745;
}

.changelog-read-info {
    font-size: 0.75rem;
    color: var(--gray-400, #adb5bd);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

/* ── Header changelog button ── */
.changelog-header-btn {
    position: relative;
    color: inherit;
    text-decoration: none;
}

.changelog-unread-badge {
    position: absolute;
    top: -2px;
    right: -2px;
    min-width: 16px;
    height: 16px;
    border-radius: 8px;
    background: var(--primary-color, #F67537);
    color: #fff;
    font-size: 0.625rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
    line-height: 1;
    pointer-events: none;
}

/* ── Responsivo ── */
@media (max-width: 768px) {
    .changelog-container {
        padding: 16px 12px 40px;
    }

    .changelog-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .changelog-timeline::before {
        left: 14px;
    }

    .changelog-card {
        margin-left: 34px;
        padding: 18px;
    }

    .changelog-card::before {
        left: -27px;
    }

    .changelog-card-header {
        flex-direction: column;
    }

    .changelog-header-icon {
        width: 48px;
        height: 48px;
        font-size: 1.25rem;
    }
}

@media (max-width: 480px) {
    .changelog-card {
        margin-left: 28px;
        padding: 16px;
    }

    .changelog-timeline::before {
        left: 10px;
    }

    .changelog-card::before {
        left: -24px;
        width: 10px;
        height: 10px;
    }
}

/* ── Dark theme adjustments ── */
[data-theme="dark"] .changelog-card {
    background: var(--gray-800, #212529);
    border-color: var(--gray-700, #343a40);
}

[data-theme="dark"] .changelog-card:hover {
    border-color: var(--gray-600, #495057);
}

[data-theme="dark"] .changelog-card-version,
[data-theme="dark"] .changelog-empty h3 {
    color: var(--gray-100, #e9ecef);
}

[data-theme="dark"] .changelog-card-date,
[data-theme="dark"] .changelog-change-item {
    color: var(--gray-400, #adb5bd);
}

[data-theme="dark"] .changelog-card-actions {
    border-top-color: var(--gray-700, #343a40);
}

[data-theme="dark"] .changelog-skeleton-card {
    background: var(--gray-800, #212529);
    border-color: var(--gray-700, #343a40);
}

[data-theme="dark"] .changelog-type-badge.feature {
    background: rgba(40, 167, 69, 0.2);
}

[data-theme="dark"] .changelog-type-badge.improvement {
    background: rgba(23, 162, 184, 0.2);
}

[data-theme="dark"] .changelog-type-badge.fix {
    background: rgba(255, 193, 7, 0.15);
}

[data-theme="dark"] .changelog-type-badge.breaking {
    background: rgba(220, 53, 69, 0.2);
}