/* ===== GameInfo / ChangeLog ===== */

.changelog-page {
    padding: 0.75rem 0.5rem 2rem;
    font-family: 'Inter', 'Segoe UI', sans-serif;
    color: #e2e8f0;
    max-width: 1200px;
    margin: 0 auto;
}

/* ---------- Header ---------- */
.changelog-header {
    text-align: center;
    margin-bottom: 1.5rem;
    padding: 1.5rem 1rem;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.8), rgba(30, 41, 59, 0.6));
    border-radius: 12px;
    border: 1px solid rgba(59, 130, 246, 0.15);
}

.changelog-title {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #60a5fa, #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0 0 0.35rem;
}

.changelog-subtitle {
    font-size: 0.82rem;
    color: #64748b;
    margin: 0;
}

/* ---------- Loading ---------- */
.changelog-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 4rem 1rem;
    color: #94a3b8;
    font-size: 0.9rem;
}

.changelog-spinner {
    width: 24px;
    height: 24px;
    border: 3px solid rgba(148, 163, 184, 0.2);
    border-top-color: #60a5fa;
    border-radius: 50%;
    animation: cl-spin 0.8s linear infinite;
}

@keyframes cl-spin {
    to { transform: rotate(360deg); }
}

/* ---------- Empty State ---------- */
.changelog-empty {
    text-align: center;
    padding: 4rem 1rem;
    color: #64748b;
}

.changelog-empty .empty-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.changelog-empty p {
    font-size: 0.9rem;
    max-width: 400px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ---------- Version Section ---------- */
.changelog-version-section {
    margin-bottom: 1.5rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    background: rgba(15, 23, 42, 0.5);
    overflow: hidden;
    animation: cl-fadeIn 0.3s ease;
}

@keyframes cl-fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.changelog-version-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.85rem 1.1rem;
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.9), rgba(15, 23, 42, 0.8));
    border-bottom: 1px solid rgba(59, 130, 246, 0.15);
    cursor: pointer;
    transition: background 0.2s ease;
    user-select: none;
}

.changelog-version-header:hover {
    background: linear-gradient(135deg, rgba(51, 65, 85, 0.9), rgba(30, 41, 59, 0.8));
}

.version-arrow {
    font-size: 0.7rem;
    color: #60a5fa;
    transition: transform 0.25s ease;
    flex-shrink: 0;
}

.version-arrow.collapsed {
    transform: rotate(-90deg);
}

.version-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.88rem;
    font-weight: 700;
    color: #e2e8f0;
}

.version-badge .ver-from {
    color: #94a3b8;
}

.version-badge .ver-arrow {
    color: #60a5fa;
    font-size: 0.75rem;
}

.version-badge .ver-to {
    color: #60a5fa;
}

.version-date {
    font-size: 0.72rem;
    color: #64748b;
    margin-left: auto;
    flex-shrink: 0;
}

.version-stat-count {
    font-size: 0.68rem;
    color: #94a3b8;
    background: rgba(59, 130, 246, 0.12);
    padding: 0.15rem 0.5rem;
    border-radius: 6px;
    flex-shrink: 0;
}

/* ---------- Version Body ---------- */
.changelog-version-body {
    padding: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.changelog-version-body.collapsed {
    display: none;
}

/* ---------- Category Section ---------- */
.changelog-category {
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.04);
}

.changelog-category-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.55rem 0.85rem;
    background: rgba(30, 41, 59, 0.6);
    font-size: 0.78rem;
    font-weight: 700;
    color: #cbd5e1;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.changelog-category-header .cat-icon {
    font-size: 0.9rem;
}

.changelog-category-header .cat-count {
    font-size: 0.68rem;
    color: #64748b;
    font-weight: 500;
    margin-left: auto;
}

/* ---------- Change Table ---------- */
.changelog-table-wrap {
    overflow-x: auto;
}

.changelog-table {
    border-collapse: separate;
    border-spacing: 0;
    width: 100%;
    font-size: 0.76rem;
}

.changelog-table th,
.changelog-table td {
    padding: 0.4rem 0.65rem;
    white-space: nowrap;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.changelog-table thead th {
    background: rgba(15, 23, 42, 0.8);
    color: #94a3b8;
    font-weight: 700;
    font-size: 0.7rem;
    text-transform: none;
    letter-spacing: 0.02em;
    position: sticky;
    top: 0;
    z-index: 5;
}

.changelog-table tbody tr {
    background: rgba(15, 23, 42, 0.5);
    transition: background 0.15s ease;
}

.changelog-table tbody tr:hover {
    background: rgba(30, 41, 59, 0.7);
}

/* Tag column */
.changelog-table .col-tag {
    color: #e2e8f0;
    font-weight: 600;
    max-width: 280px;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Field column */
.changelog-table .col-field {
    color: #93c5fd;
    font-family: 'JetBrains Mono', 'Consolas', monospace;
    font-size: 0.72rem;
}

/* Value columns */
.changelog-table .col-old {
    color: #f87171;
    font-family: 'JetBrains Mono', 'Consolas', monospace;
    font-size: 0.72rem;
    text-decoration: line-through;
    opacity: 0.7;
}

.changelog-table .col-new {
    color: #4ade80;
    font-family: 'JetBrains Mono', 'Consolas', monospace;
    font-size: 0.72rem;
    font-weight: 600;
}

/* Value change direction indicators */
.val-up::before {
    content: '▲ ';
    font-size: 0.55rem;
    vertical-align: middle;
}

.val-down::before {
    content: '▼ ';
    font-size: 0.55rem;
    vertical-align: middle;
}

/* ---------- Separator rows (between items) ---------- */
.changelog-table tbody tr.item-first td {
    border-top: 1px solid rgba(59, 130, 246, 0.1);
}

/* ---------- Scrollbar ---------- */
.changelog-table-wrap::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

.changelog-table-wrap::-webkit-scrollbar-track {
    background: rgba(15, 23, 42, 0.5);
}

.changelog-table-wrap::-webkit-scrollbar-thumb {
    background: rgba(100, 116, 139, 0.35);
    border-radius: 3px;
}

.changelog-table-wrap::-webkit-scrollbar-thumb:hover {
    background: rgba(148, 163, 184, 0.5);
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
    .changelog-page {
        padding: 0.5rem 0.25rem 1.5rem;
    }

    .changelog-header {
        padding: 1rem 0.75rem;
    }

    .changelog-title {
        font-size: 1.2rem;
    }

    .changelog-version-header {
        flex-wrap: wrap;
        gap: 0.4rem;
        padding: 0.65rem 0.75rem;
    }

    .version-date {
        margin-left: 0;
    }
}