/* --------------------------------------------------------------------------
   Buttons & cards (Bootstrap overrides)
   -------------------------------------------------------------------------- */

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    font-weight: 500;
    transition: all var(--transition-speed) ease;
}

.btn-primary:hover {
    background-color: #2563eb;
    border-color: #2563eb;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.35);
}

.btn-outline-primary {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transition:
        color var(--transition-speed) ease,
        background-color var(--transition-speed) ease,
        border-color var(--transition-speed) ease,
        box-shadow var(--transition-speed) ease,
        transform var(--transition-speed) ease;
}

.btn-outline-primary:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.28);
}

.btn-outline-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 6px rgba(59, 130, 246, 0.2);
}

.card {
    overflow: hidden;
}

.card-title {
    font-size: 1.125rem;
}

/* --------------------------------------------------------------------------
   Breadcrumb
   -------------------------------------------------------------------------- */

.breadcrumb {
    background-color: transparent;
    padding: 0;
    margin-bottom: 0.75rem;
    font-size: 0.875rem;
    flex-wrap: wrap;
    align-items: center;
    gap: 0;
    --bs-breadcrumb-divider: "";
    --bs-breadcrumb-divider-color: currentColor;
}

.breadcrumb-item {
    display: inline-flex;
    align-items: center;
    max-width: 100%;
}

.breadcrumb-item + .breadcrumb-item::before {
    float: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    content: "\f054";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    font-size: 0.625rem;
    line-height: 1;
    padding: 0 0.55rem;
    color: currentColor;
    opacity: 0.55;
}

.breadcrumb-item a {
    color: inherit;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    opacity: 0.9;
    transition: opacity 0.2s ease;
}

.breadcrumb-item a:hover {
    opacity: 1;
    text-decoration: underline;
}

.breadcrumb-item.active {
    color: inherit;
    font-weight: 500;
    opacity: 0.95;
}

.breadcrumb-item.active span[itemprop="name"] {
    display: inline-block;
    max-width: min(100%, 320px);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    vertical-align: bottom;
}

.breadcrumb-item__icon {
    font-size: 0.8125rem;
}

.page-hero .breadcrumb,
.page-landing-hero .breadcrumb {
    margin-bottom: 0.75rem;
}

.page-hero .breadcrumb-item + .breadcrumb-item::before,
.page-landing-hero .breadcrumb-item + .breadcrumb-item::before {
    color: currentColor;
    opacity: 0.65;
}

.error-page .site-breadcrumb {
    margin-bottom: 1.5rem;
    text-align: left;
}

.error-page .site-breadcrumb .breadcrumb-item a,
.error-page .site-breadcrumb .breadcrumb-item.active {
    color: var(--gray-600);
}

.error-page .site-breadcrumb .breadcrumb-item a:hover {
    color: var(--primary-color);
}

/* --------------------------------------------------------------------------
   Pagination & alerts
   -------------------------------------------------------------------------- */

.pagination-wrap {
    display: flex;
    justify-content: center;
}

.theme-pagination {
    width: 100%;
}

.theme-pagination .pagination,
.pagination-wrap .pagination {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 0.35rem;
    padding-left: 0;
    margin-bottom: 0;
}

.theme-pagination .pagination .page-item,
.pagination-wrap .pagination .page-item {
    list-style: none;
}

.theme-pagination .pagination .page-link,
.pagination-wrap .pagination .page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.375rem;
    height: 2.375rem;
    padding: 0 0.75rem;
    margin-left: 0;
    border-radius: var(--border-radius);
    color: var(--gray-700);
    border: 1px solid var(--gray-200);
    background-color: var(--surface-color, #fff);
    text-decoration: none;
    line-height: 1;
    transition: color var(--transition-speed) ease, background-color var(--transition-speed) ease, border-color var(--transition-speed) ease;
}

.theme-pagination .pagination .page-link:hover,
.pagination-wrap .pagination .page-link:hover {
    z-index: 1;
    color: var(--primary-color);
    border-color: rgba(var(--bs-primary-rgb, 59, 130, 246), 0.35);
    background-color: rgba(var(--bs-primary-rgb, 59, 130, 246), 0.06);
}

.theme-pagination .pagination .page-item.active .page-link,
.pagination-wrap .pagination .page-item.active .page-link {
    color: #fff;
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.theme-pagination .pagination .page-item.disabled .page-link,
.pagination-wrap .pagination .page-item.disabled .page-link {
    color: var(--gray-400);
    background-color: var(--gray-50);
    border-color: var(--gray-200);
    pointer-events: none;
}

.theme-pagination .pagination .pagination-ellipsis .page-link,
.pagination-wrap .pagination .pagination-ellipsis .page-link {
    min-width: 2rem;
    padding-inline: 0.35rem;
    border-color: transparent;
    background: transparent;
}

.theme-pagination .pagination .pagination-nav .page-link,
.pagination-wrap .pagination .pagination-nav .page-link {
    min-width: auto;
    padding-inline: 0.875rem;
    font-size: 0.875rem;
}

.pagination-load-more__btn {
    min-width: 10rem;
    padding-inline: 1.75rem;
    transition:
        color var(--transition-speed) ease,
        background-color var(--transition-speed) ease,
        border-color var(--transition-speed) ease,
        box-shadow var(--transition-speed) ease,
        transform var(--transition-speed) ease,
        opacity var(--transition-speed) ease;
}

.pagination-load-more__btn:not(:disabled):not(.is-loading):hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(59, 130, 246, 0.3);
}

.pagination-load-more__btn:not(:disabled):not(.is-loading):active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.22);
}

.pagination-load-more__btn.is-loading {
    opacity: 0.85;
    pointer-events: none;
}

.pagination-load-more__btn.is-loading::after {
    content: '';
    display: inline-block;
    width: 0.875rem;
    height: 0.875rem;
    margin-left: 0.5rem;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: category-load-spin 0.65s linear infinite;
    vertical-align: -0.125em;
}

.pagination-load-more__done {
    display: inline-block;
    animation: category-fade-up 0.45s ease both;
}

.category-archive-entry {
    opacity: 0;
    transform: translateY(1.25rem);
    transition:
        opacity 0.5s cubic-bezier(0.22, 1, 0.36, 1),
        transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
    transition-delay: var(--enter-delay, 0s);
    will-change: opacity, transform;
}

.category-archive-entry--visible {
    opacity: 1;
    transform: translateY(0);
}

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

@keyframes category-fade-up {
    from {
        opacity: 0;
        transform: translateY(0.5rem);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (prefers-reduced-motion: reduce) {
    .category-archive-entry {
        opacity: 1;
        transform: none;
        transition: none;
        will-change: auto;
    }

    .pagination-load-more__btn.is-loading::after {
        animation: none;
    }

    .pagination-load-more__btn:not(:disabled):not(.is-loading):hover,
    .pagination-load-more__btn:not(:disabled):not(.is-loading):active,
    .btn-outline-primary:hover,
    .btn-outline-primary:active {
        transform: none;
    }

    .pagination-load-more__done {
        animation: none;
    }
}

.alert-info {
    background: rgba(59, 130, 246, 0.08);
    border-color: rgba(59, 130, 246, 0.2);
    color: var(--gray-800);
    border-radius: var(--border-radius);
}

/* --------------------------------------------------------------------------
   Empty & error states
   -------------------------------------------------------------------------- */

.empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
    background: var(--surface-color);
    border: 1px dashed var(--gray-300);
    border-radius: var(--border-radius);
}

.empty-state__icon {
    font-size: 3rem;
    color: var(--gray-300);
    margin-bottom: 1rem;
}

.empty-state__text {
    color: var(--gray-600);
    margin: 0;
    font-size: 1rem;
}

.error-page {
    padding: 3rem 1rem 4rem;
}

.error-page__code {
    font-size: clamp(5rem, 18vw, 8rem);
    font-weight: 800;
    line-height: 1;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.error-page__title {
    color: var(--gray-900);
}

.error-page__desc {
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

/* --------------------------------------------------------------------------
   Floating action buttons
   -------------------------------------------------------------------------- */

.floating-actions {
    position: fixed;
    right: 1.25rem;
    z-index: 1040;
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    align-items: flex-end;
}

.floating-actions--bottom {
    bottom: 1.5rem;
}

.floating-actions--center {
    top: 50%;
    transform: translateY(-50%);
    bottom: auto;
}

.floating-actions__btn {
    width: 48px;
    height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 0px solid rgba(15, 23, 42, 0.08);
    cursor: pointer;
    font-size: 1.25rem;
    color: var(--gray-700);
    background: #fff;
    transition:
        transform var(--transition-speed) ease,
        box-shadow var(--transition-speed) ease,
        color var(--transition-speed) ease,
        opacity 0.3s ease,
        visibility 0.3s ease;
}

.floating-actions__btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--box-shadow-hover);
    color: var(--gray-900);
    background: #fff;
}

.floating-actions__btn--round {
    border-radius: 50%;
}

.floating-actions__btn--square {
    border-radius: var(--border-radius);
}

.floating-actions__btn--qq,
.floating-actions__btn--wechat {
    background: #fff;
    color: var(--gray-700);
}

.floating-actions__btn--top.back-to-top {
    background: #fff;
    color: var(--gray-900);
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    pointer-events: none;
    transition:
        opacity 0.3s ease,
        visibility 0.3s ease,
        transform 0.3s ease,
        box-shadow var(--transition-speed) ease,
        color var(--transition-speed) ease;
}

.floating-actions__btn--top.back-to-top.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.floating-actions__wechat {
    position: relative;
}

.floating-actions__qrcode {
    position: absolute;
    right: calc(100% + 0.75rem);
    bottom: 0;
    background: var(--surface-color);
    padding: 0.75rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-hover);
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    min-width: 156px;
}

.floating-actions__qrcode[hidden] {
    display: none !important;
}

.floating-actions__qrcode img {
    border-radius: 4px;
}

/* --------------------------------------------------------------------------
   Animations
   -------------------------------------------------------------------------- */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.page-section {
    animation: fadeInUp 0.45s ease-out;
}