/* Author Profile Page Styles */

/* CSS Variables for consistency */
:root {
    --author-cover-height: 300px;
    --author-cover-height-mobile: 200px;
    --author-avatar-size: 128px;
    --author-avatar-size-mobile: 96px;
    --author-card-border-radius: 12px;
    --author-card-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --author-card-shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.15);
    --author-transition: all 0.3s ease;
    
    /* Color scheme for statistics cards */
    --stat-books-color: #3b82f6;
    --stat-articles-color: #10b981;
    --stat-subscribers-color: #f59e0b;
    --stat-views-color: #8b5cf6;
}

/* Author Profile Page Container */
.author-profile-page {
    min-height: 100vh;
}
/* ==========================================================================
   Profile Cover Section
   ========================================================================== */

.author-profile-cover {
    position: relative;
    height: var(--author-cover-height);
    overflow: hidden;
    margin-bottom: 2rem;
    border-radius: 0 0 var(--author-card-border-radius) var(--author-card-border-radius);
    box-shadow: var(--author-card-shadow);
}
.author-profile-cover__background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.author-profile-cover__background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}
.author-profile-cover__gradient {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        #667eea 0%, 
        #764ba2 50%, 
        #f093fb 100%);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}
.author-profile-cover__content {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    align-items: flex-end;
    padding: 2rem 0;
    background: linear-gradient(
        to top,
        rgba(0, 0, 0, 0.7) 0%,
        rgba(0, 0, 0, 0.3) 50%,
        transparent 100%
    );
}

.author-profile-cover__content .container {
    display: flex;
    align-items: flex-end;
    gap: 1.5rem;
    width: 100%;
}
.author-profile-cover__avatar {
    flex-shrink: 0;
}

.author-profile-cover__avatar .avatar {
    width: var(--author-avatar-size);
    height: var(--author-avatar-size);
    border: 4px solid rgba(255, 255, 255, 0.9);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    transition: var(--author-transition);
}

.author-profile-cover__avatar .avatar:hover {
    transform: scale(1.05);
    border-color: rgba(255, 255, 255, 1);
}
.author-profile-cover__info {
    flex: 1;
    min-width: 0;
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}
.author-profile-cover__name {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin: 0 0 0.25rem 0;
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
}
.author-profile-cover__username {
    font-size: 1.125rem;
    font-weight: 500;
    opacity: 0.9;
    margin-bottom: 0.5rem;
}
.author-profile-cover__bio {
    font-size: 1rem;
    line-height: 1.5;
    margin: 0 0 0.75rem 0;
    opacity: 0.95;
    max-width: 600px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.author-profile-cover__meta {
    font-size: 0.875rem;
    opacity: 0.8;
    margin-bottom: 0.75rem;
}

.author-profile-cover__meta span {
    margin-right: 0.5rem;
}
.author-profile-cover__social {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1rem;
}
.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: white;
    text-decoration: none;
    transition: var(--author-transition);
    backdrop-filter: blur(10px);
}

.social-link:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    color: white;
}

.social-link svg {
    width: 20px;
    height: 20px;
}
.author-profile-cover__actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.author-profile-cover__actions .btn {
    min-width: 120px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: var(--author-transition);
}

.author-profile-cover__actions .btn--primary {
    background: rgba(59, 130, 246, 0.8);
    color: white;
}

.author-profile-cover__actions .btn--primary:hover {
    background: rgba(59, 130, 246, 1);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.author-profile-cover__actions .btn--secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.author-profile-cover__actions .btn--secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
    color: white;
}
/* ==========================================================================
   Statistics Cards Section
   ========================================================================== */

.author-statistics-cards {
    margin-bottom: 2rem;
}
.statistics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}
.stat-card {
    background: white;
    border-radius: var(--author-card-border-radius);
    padding: 1.5rem;
    box-shadow: var(--author-card-shadow);
    transition: var(--author-transition);
    text-align: center;
    border: 1px solid rgba(0, 0, 0, 0.05);
}
.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--author-card-shadow-hover);
}
.stat-card__icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 1rem auto;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--author-transition);
}

.stat-card__icon svg {
    width: 24px;
    height: 24px;
    color: white;
}
/* Color modifiers for stat cards */
.stat-card--books .stat-card__icon {
    background: var(--stat-books-color);
}

.stat-card--books:hover .stat-card__icon {
    background: color-mix(in srgb, var(--stat-books-color) 80%, black);
}

.stat-card--articles .stat-card__icon {
    background: var(--stat-articles-color);
}

.stat-card--articles:hover .stat-card__icon {
    background: color-mix(in srgb, var(--stat-articles-color) 80%, black);
}

.stat-card--subscribers .stat-card__icon {
    background: var(--stat-subscribers-color);
}

.stat-card--subscribers:hover .stat-card__icon {
    background: color-mix(in srgb, var(--stat-subscribers-color) 80%, black);
}

.stat-card--views .stat-card__icon {
    background: var(--stat-views-color);
}

.stat-card--views:hover .stat-card__icon {
    background: color-mix(in srgb, var(--stat-views-color) 80%, black);
}
.stat-card__value {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 0.5rem;
    color: #1f2937;
}
.stat-card__label {
    font-size: 0.875rem;
    font-weight: 500;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ==========================================================================
   Tab Navigation (Author)
   ========================================================================== */

.author-tab-navigation {
    margin-bottom: 1.75rem;
    background: rgba(255, 255, 255, 0.75);
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: var(--author-card-border-radius);
    overflow: hidden;
}

.author-tab-navigation.is-sticky {
    position: sticky;
    top: 60px;
    z-index: 100;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.12);
}

.author-tab-navigation .tabs {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding: 0.75rem 0.75rem;
}

.author-tab-navigation .tabs::-webkit-scrollbar {
    height: 6px;
}

.author-tab-navigation .tabs::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.12);
    border-radius: 999px;
}

.author-tab-navigation .tab {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.65rem 0.8rem;
    border-bottom: 2px solid transparent;
    color: rgba(0, 0, 0, 0.55);
    text-decoration: none;
    white-space: nowrap;
    border-radius: 10px;
    transition: var(--author-transition);
}

.author-tab-navigation .tab svg {
    flex-shrink: 0;
}

.author-tab-navigation .tab:hover {
    color: rgba(0, 0, 0, 0.85);
    background: rgba(0, 0, 0, 0.04);
}

.author-tab-navigation .tab.is-active {
    color: #2563eb;
    background: rgba(37, 99, 235, 0.08);
    border-bottom-color: rgba(37, 99, 235, 0.95);
}

.author-tab-navigation .tab__count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    font-size: 0.75rem;
    font-weight: 700;
    background: rgba(0, 0, 0, 0.05);
    border-radius: 999px;
}

.author-tab-navigation .tab.is-active .tab__count {
    background: rgba(37, 99, 235, 0.95);
    color: #ffffff;
}

/* ==========================================================================
   Filters Bar
   ========================================================================== */

.author-filters-bar {
    margin-bottom: 1.75rem;
}

.author-filters-bar .filters-form {
    background: rgba(255, 255, 255, 0.75);
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: var(--author-card-border-radius);
    padding: 0.85rem 0.9rem;
}

.author-filters-bar .filters-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.9rem 1.25rem;
    align-items: center;
}

.author-filters-bar .filters-group,
.author-filters-bar .sorting-group,
.author-filters-bar .reset-filters,
.author-filters-bar .view-switcher {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.author-filters-bar .filter-item {
    display: flex;
    align-items: center;
}

.author-filters-bar .filter-select {
    height: 44px;
    min-height: 44px;
    padding: 0 12px;
    border-radius: 12px;
    border: 1px solid rgba(0, 0, 0, 0.08);
    background: rgba(255, 255, 255, 0.9);
    color: rgba(0, 0, 0, 0.8);
    outline: none;
}

.author-filters-bar .filter-select:focus {
    border-color: rgba(37, 99, 235, 0.55);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

.author-filters-bar .direction-toggle {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    border: 1px solid rgba(0, 0, 0, 0.08);
    background: rgba(255, 255, 255, 0.9);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: var(--author-transition);
}

.author-filters-bar .direction-toggle:hover {
    transform: translateY(-1px);
    border-color: rgba(0, 0, 0, 0.14);
}

.author-filters-bar .direction-toggle svg {
    width: 16px;
    height: 16px;
}

.author-filters-bar .view-switcher .view-btn {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    border: 1px solid rgba(0, 0, 0, 0.08);
    background: rgba(255, 255, 255, 0.9);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: var(--author-transition);
}

.author-filters-bar .view-switcher .view-btn svg {
    width: 16px;
    height: 16px;
}

.author-filters-bar .view-switcher .view-btn:hover {
    transform: translateY(-1px);
}

.author-filters-bar .view-switcher .view-btn.is-active {
    border-color: rgba(37, 99, 235, 0.65);
    background: rgba(37, 99, 235, 0.12);
    color: rgba(37, 99, 235, 1);
}

.author-filters-bar .reset-filters .btn {
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

/* ==========================================================================
   Profile Layout with Sidebar
   ========================================================================== */

.author-profile-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 1.5rem;
}

@media (min-width: 1024px) {
    .author-profile-layout {
        grid-template-columns: 1fr 320px;
        align-items: start;
    }
}

.author-profile-layout__main {
    min-width: 0;
}

.author-profile-layout__sidebar {
    position: relative;
}

/* Content Controls (View Switcher + Pagination Mode) */
.author-content-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

@media (max-width: 640px) {
    .author-content-controls {
        flex-direction: column;
        align-items: stretch;
    }
}

/* ==========================================================================
   Content Grid (Grid/List/Compact)
   ========================================================================== */

.author-content-grid {
    margin-top: 0.5rem;
}

/* Content Grid - Grid View */
.author-content-grid--grid,
.author-content-grid[data-view-mode="grid"] {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.5rem;
}

.author-content-grid--grid .content-card,
.author-content-grid[data-view-mode="grid"] .content-card {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

@media (min-width: 640px) {
    .author-content-grid--grid,
    .author-content-grid[data-view-mode="grid"] {
        grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    }
}

/* Content Grid - List View */
.author-content-grid--list,
.author-content-grid[data-view-mode="list"] {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.author-content-grid--list .content-card,
.author-content-grid[data-view-mode="list"] .content-card {
    flex-direction: row;
    align-items: stretch;
    width: 100%;
}

.author-content-grid--list .content-card__cover,
.author-content-grid[data-view-mode="list"] .content-card__cover {
    width: 160px;
    flex-shrink: 0;
}

.author-content-grid--list .content-card__cover img,
.author-content-grid[data-view-mode="list"] .content-card__cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Content Grid - Compact View */
.author-content-grid--compact,
.author-content-grid[data-view-mode="compact"] {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1rem;
}

.author-content-grid--compact .content-card,
.author-content-grid[data-view-mode="compact"] .content-card {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.author-content-grid--compact .content-card__excerpt,
.author-content-grid[data-view-mode="compact"] .content-card__excerpt {
    display: none;
}

.author-content-grid--compact .content-card__content,
.author-content-grid[data-view-mode="compact"] .content-card__content {
    padding: 1rem;
    gap: 0.75rem;
}

.author-content-grid--compact .content-card__title,
.author-content-grid[data-view-mode="compact"] .content-card__title {
    -webkit-line-clamp: 1;
    line-clamp: 1;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1024px) {
    .statistics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --author-cover-height: var(--author-cover-height-mobile);
        --author-avatar-size: var(--author-avatar-size-mobile);
    }

    .author-profile-cover {
        border-radius: 0 0 var(--author-card-border-radius) var(--author-card-border-radius);
    }

    .author-profile-cover__content {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 1.25rem 0;
    }

    .author-profile-cover__content .container {
        flex-direction: column;
        align-items: center;
        gap: 0.75rem;
    }

    .author-profile-cover__meta {
        flex-direction: column;
        align-items: center;
    }

    .author-profile-cover__social {
        justify-content: center;
    }

    .author-profile-cover__actions {
        flex-direction: column;
        width: 100%;
        gap: 0.6rem;
    }

    .author-profile-cover__actions .btn {
        width: 100%;
    }

    .statistics-grid {
        grid-template-columns: 1fr;
    }

    .author-filters-bar .filters-row {
        flex-direction: column;
        align-items: stretch;
    }

    .author-filters-bar .filters-group,
    .author-filters-bar .sorting-group,
    .author-filters-bar .view-switcher,
    .author-filters-bar .reset-filters {
        justify-content: space-between;
        width: 100%;
    }

    .author-filters-bar .filter-select {
        width: 100%;
    }
}