/**
 * Course Author Template Styles (Instructor / Learning Platform Style)
 *
 * Scoped to .vh360-course-author-page.  Visually aligned with the core
 * course system palette (course-mode.css).
 *
 * @package Videohub360_Theme
 * @since   1.0.0
 */

/* ===================================================================
   Design Tokens — Course Author
   =================================================================== */

.vh360-course-author-page {
    --vh360-course-author-bg:           var(--vh360-course-bg, #fbf7ef);
    --vh360-course-author-surface:      var(--vh360-course-surface, #fffdf8);
    --vh360-course-author-soft:         var(--vh360-course-soft, #f3eadc);
    --vh360-course-author-text:         var(--vh360-course-text, #1f2933);
    --vh360-course-author-muted:        var(--vh360-course-muted, #6b7280);
    --vh360-course-author-primary:      var(--vh360-course-primary, #14532d);
    --vh360-course-author-primary-dark: var(--vh360-course-primary-dark, #0f3f23);
    --vh360-course-author-accent:       var(--vh360-course-accent, #c47f2c);
    --vh360-course-author-border:       var(--vh360-course-border, #e7dccb);
    --vh360-course-author-shadow:       var(--vh360-course-shadow, 0 14px 34px rgba(70, 53, 31, 0.10));
    --vh360-course-author-radius:       var(--vh360-course-radius, 14px);
}

/* ===================================================================
   Page Container
   =================================================================== */

.vh360-course-author-page {
    background: var(--vh360-course-author-bg);
    color: var(--vh360-course-author-text);
    min-height: 100vh;
}

.vh360-course-author-page .container {
    max-width: var(--max-width, 1280px);
    margin: 0 auto;
    padding: 0 var(--spacing, 1rem);
}

/* ===================================================================
   Instructor Header (Banner + Avatar + Details + Actions)
   =================================================================== */

.vh360-course-author-header {
    background: var(--vh360-course-author-surface);
    margin-bottom: 0;
}

/* Banner */
.vh360-course-author-banner {
    width: 100%;
    height: 280px;
    background: linear-gradient(135deg, var(--vh360-course-author-primary) 0%, var(--vh360-course-author-primary-dark) 100%);
    position: relative;
    overflow: hidden;
}

.vh360-course-author-banner-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.vh360-course-author-banner-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--vh360-course-author-primary) 0%, var(--vh360-course-author-primary-dark) 100%);
}

/* Info bar */
.vh360-course-author-info {
    position: relative;
    max-width: var(--max-width, 1280px);
    margin: -70px auto 0;
    padding: 0 var(--spacing, 1rem);
}

.vh360-course-author-info-inner {
    background: var(--vh360-course-author-surface);
    padding: 1.5rem;
    border-radius: var(--vh360-course-author-radius);
    border: 1px solid var(--vh360-course-author-border);
    box-shadow: var(--vh360-course-author-shadow);
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

/* Avatar */
.vh360-course-author-avatar {
    width: 130px;
    height: 130px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid var(--vh360-course-author-surface);
    box-shadow: 0 4px 14px rgba(70, 53, 31, 0.15);
    flex-shrink: 0;
}

.vh360-course-author-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Details */
.vh360-course-author-details {
    flex: 1;
    min-width: 0;
}

.vh360-course-author-name {
    font-size: 1.6rem;
    font-weight: 700;
    margin: 0 0 0.25rem;
    color: var(--vh360-course-author-text);
    line-height: 1.2;
}

.vh360-course-author-badge {
    display: inline-block;
    background: var(--vh360-course-author-primary);
    color: #ffffff;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 0.2rem 0.75rem;
    border-radius: 9999px;
    margin-bottom: 0.6rem;
}

.vh360-course-author-bio {
    color: var(--vh360-course-author-muted);
    margin: 0.5rem 0;
    line-height: 1.5;
    font-size: 0.95rem;
}

/* Stats row */
.vh360-course-author-stats {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: 0.75rem;
    font-size: 0.875rem;
    color: var(--vh360-course-author-muted);
}

.vh360-course-author-stat strong {
    color: var(--vh360-course-author-text);
    font-weight: 700;
    margin-right: 0.2rem;
}

.vh360-course-author-stat-sep {
    color: var(--vh360-course-author-border);
}

/* Actions */
.vh360-course-author-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
    flex-shrink: 0;
}

.vh360-course-author-edit-btn,
.vh360-course-author-follow-btn,
.vh360-course-author-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.6rem 1.25rem;
    border-radius: 9999px;
    font-size: 0.9rem;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.vh360-course-author-edit-btn {
    background: var(--vh360-course-author-soft);
    color: var(--vh360-course-author-text);
    border: 1px solid var(--vh360-course-author-border);
}

.vh360-course-author-edit-btn:hover {
    background: var(--vh360-course-author-border);
}

.vh360-course-author-cta-btn {
    background: var(--vh360-course-author-primary);
    color: #ffffff;
    border: 1px solid transparent;
    box-shadow: 0 4px 14px rgba(20, 83, 45, 0.20);
}

.vh360-course-author-cta-btn:hover {
    background: var(--vh360-course-author-primary-dark);
    box-shadow: 0 6px 18px rgba(20, 83, 45, 0.28);
}

/* Learner header (no banner) */
.vh360-course-author-learner-header .vh360-course-author-learner-info {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    padding: 2rem 0 1.5rem;
    border-bottom: 1px solid var(--vh360-course-author-border);
}

/* ===================================================================
   Navigation — Pill-style tab bar
   =================================================================== */

.vh360-course-author-nav-wrapper {
    max-width: var(--max-width, 1280px);
    margin: 0 auto;
    padding: 0 var(--spacing, 1rem);
}

.vh360-course-author-nav {
    background: var(--vh360-course-author-surface);
    border: 1px solid var(--vh360-course-author-border);
    border-radius: var(--vh360-course-author-radius);
    box-shadow: 0 4px 18px rgba(70, 53, 31, 0.08);
    padding: 8px;
    margin: 24px 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    position: sticky;
    top: var(--vh360-header-height, 0px);
    z-index: 100;
}

.vh360-course-author-nav::-webkit-scrollbar {
    display: none;
}

.vh360-course-author-nav-list {
    display: flex;
    gap: 6px;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
}

.vh360-course-author-nav-item {
    flex-shrink: 0;
}

.vh360-course-author-nav-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: 9999px;
    color: var(--vh360-course-author-muted);
    font-weight: 700;
    font-size: 0.9rem;
    text-decoration: none;
    white-space: nowrap;
    transition: background-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.vh360-course-author-nav-link:hover,
.vh360-course-author-nav-link.active {
    background: var(--vh360-course-author-primary);
    color: #ffffff;
    box-shadow: 0 6px 16px rgba(20, 83, 45, 0.22);
}

/* Learner nav tabs */
.vh360-course-author-learner-nav {
    margin: 1rem 0;
}

.vh360-course-author-learner-tabs {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    border-bottom: 1px solid var(--vh360-course-author-border);
    gap: 0;
}

.vh360-course-author-learner-tab-link {
    display: block;
    padding: 0.75rem 1.25rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--vh360-course-author-muted);
    text-decoration: none;
    border-bottom: 3px solid transparent;
    margin-bottom: -1px;
    transition: color 0.2s, border-color 0.2s;
}

.vh360-course-author-learner-tab-link:hover,
.vh360-course-author-learner-tab-link.active {
    color: var(--vh360-course-author-primary);
    border-bottom-color: var(--vh360-course-author-primary);
}

/* ===================================================================
   Content Area
   =================================================================== */

.vh360-course-author-content,
.vh360-course-author-learner-content {
    padding: 2rem 0;
}

/* ===================================================================
   Section Headers — Kicker + Title + Description + Count
   =================================================================== */

.vh360-course-author-section-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 1.75rem;
}

.vh360-course-author-section-heading {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.vh360-course-author-section-kicker {
    display: block;
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--vh360-course-author-accent);
    margin: 0;
}

.vh360-course-author-section-title {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--vh360-course-author-text);
    margin: 0;
    line-height: 1.2;
}

.vh360-course-author-section-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-left: 8px;
    padding: 2px 10px;
    border-radius: 9999px;
    background: var(--vh360-course-author-soft);
    color: var(--vh360-course-author-muted);
    font-size: 0.82rem;
    font-weight: 700;
    vertical-align: middle;
}

.vh360-course-author-section-description {
    color: var(--vh360-course-author-muted);
    font-size: 0.9rem;
    margin: 4px 0 0;
    line-height: 1.5;
}

.vh360-course-author-subsection-title {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--vh360-course-author-text);
    margin: 0 0 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ===================================================================
   Courses Grid — Catalog Card Style
   =================================================================== */

.vh360-course-author-courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(310px, 1fr));
    gap: 24px;
}

.vh360-course-author-page .vh360-course-author-courses-grid--single {
    grid-template-columns: minmax(0, 780px);
    justify-content: start;
}

.vh360-course-author-page .vh360-course-author-courses-grid--single .vh360-course-card {
    max-width: 780px;
}

@media (min-width: 768px) {
    .vh360-course-author-page .vh360-course-author-courses-grid--single .vh360-course-card {
        display: grid;
        grid-template-columns: 320px 1fr;
        align-items: stretch;
    }

    .vh360-course-author-page .vh360-course-author-courses-grid--single .vh360-course-card-link {
        display: contents;
    }

    .vh360-course-author-page .vh360-course-author-courses-grid--single .vh360-course-card-thumb {
        height: 100%;
        min-height: 230px;
        aspect-ratio: auto;
    }

    .vh360-course-author-page .vh360-course-author-courses-grid--single .vh360-course-card-body {
        padding: 24px;
    }

    .vh360-course-author-page .vh360-course-author-courses-grid--single .vh360-course-card-footer {
        grid-column: 2;
        padding: 0 24px 24px;
    }
}

@media (max-width: 767px) {
    .vh360-course-author-page .vh360-course-author-courses-grid--single {
        grid-template-columns: 1fr;
    }

    .vh360-course-author-page .vh360-course-author-courses-grid--single .vh360-course-card {
        max-width: none;
    }
}

.vh360-course-author-page .vh360-course-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--vh360-course-author-surface);
    border: 1px solid var(--vh360-course-author-border);
    border-radius: calc(var(--vh360-course-author-radius) + 4px);
    box-shadow: 0 8px 20px rgba(70, 53, 31, 0.08);
    text-decoration: none;
    color: var(--vh360-course-author-text);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.vh360-course-author-page .vh360-course-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--vh360-course-author-shadow);
    border-color: rgba(196, 127, 44, 0.45);
}

.vh360-course-card-link {
    display: block;
    text-decoration: none;
    color: inherit;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.vh360-course-author-page .vh360-course-card-thumb {
    position: relative;
    aspect-ratio: 16 / 9;
    background: var(--vh360-course-author-soft);
    overflow: hidden;
    flex-shrink: 0;
}

.vh360-course-author-page .vh360-course-card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.35s ease;
}

.vh360-course-author-page .vh360-course-card:hover .vh360-course-card-thumb img {
    transform: scale(1.04);
}

.vh360-course-author-page .vh360-course-card-thumb-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--vh360-course-author-primary) 0%, var(--vh360-course-author-primary-dark) 100%);
    opacity: 0.25;
}

.vh360-course-author-page .vh360-course-card-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: var(--vh360-course-author-accent);
    color: #ffffff;
    font-size: 0.7rem;
    font-weight: 800;
    padding: 4px 10px;
    border-radius: 9999px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.vh360-course-author-page .vh360-course-card-body {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 20px;
    flex: 1;
}

.vh360-course-author-page .vh360-course-card-title {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--vh360-course-author-text);
    margin: 0;
    line-height: 1.3;
}

.vh360-course-author-page .vh360-course-card-subtitle {
    color: var(--vh360-course-author-muted);
    font-size: 0.875rem;
    line-height: 1.55;
    margin: 0;
}

.vh360-course-author-page .vh360-course-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: auto;
    padding-top: 4px;
}

.vh360-course-author-page .vh360-course-card-meta span,
.vh360-course-author-page .vh360-course-card-level,
.vh360-course-author-page .vh360-course-card-duration,
.vh360-course-author-page .vh360-course-card-lessons {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 5px 10px;
    border-radius: 9999px;
    background: var(--vh360-course-author-soft);
    color: var(--vh360-course-author-muted);
    font-size: 0.8rem;
    font-weight: 700;
    white-space: nowrap;
}

.vh360-course-author-page .vh360-course-card-footer {
    padding: 0 20px 20px;
    flex-shrink: 0;
}

.vh360-course-author-page .vh360-course-card-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 11px 16px;
    border-radius: 9999px;
    background: var(--vh360-course-author-primary);
    color: #ffffff;
    font-weight: 800;
    font-size: 0.9rem;
    text-decoration: none;
    transition: background 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 4px 12px rgba(20, 83, 45, 0.18);
}

.vh360-course-author-page .vh360-course-card-button:hover {
    background: var(--vh360-course-author-primary-dark);
    box-shadow: 0 6px 16px rgba(20, 83, 45, 0.28);
    color: #ffffff;
}

/* ===================================================================
   Lessons — Curriculum Card View
   =================================================================== */

.vh360-course-author-lesson-groups {
    display: grid;
    gap: 24px;
}

.vh360-course-author-lesson-group {
    background: var(--vh360-course-author-surface);
    border: 1px solid var(--vh360-course-author-border);
    border-radius: calc(var(--vh360-course-author-radius) + 4px);
    box-shadow: 0 8px 22px rgba(70, 53, 31, 0.08);
    overflow: hidden;
}

.vh360-course-author-lesson-group-header {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: center;
    padding: 18px 20px;
    background: linear-gradient(135deg, var(--vh360-course-author-soft), rgba(255, 255, 255, 0.75));
    border-bottom: 1px solid var(--vh360-course-author-border);
}

.vh360-course-author-lesson-group-title {
    margin: 0;
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--vh360-course-author-text);
}

.vh360-course-author-lesson-group-title a {
    color: inherit;
    text-decoration: none;
}

.vh360-course-author-lesson-group-title a:hover {
    color: var(--vh360-course-author-primary);
}

.vh360-course-author-lesson-group-count {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 9999px;
    background: var(--vh360-course-author-surface);
    border: 1px solid var(--vh360-course-author-border);
    color: var(--vh360-course-author-muted);
    font-size: 0.8rem;
    font-weight: 700;
    white-space: nowrap;
    flex-shrink: 0;
}

.vh360-course-author-lesson-list {
    display: grid;
    gap: 0;
    list-style: none;
    margin: 0;
    padding: 0;
}

.vh360-course-author-lesson-item {
    display: grid;
    grid-template-columns: 72px 1fr auto;
    gap: 16px;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--vh360-course-author-border);
    text-decoration: none;
    color: var(--vh360-course-author-text);
    transition: background-color 0.2s ease;
}

.vh360-course-author-lesson-item:hover {
    background: rgba(243, 234, 220, 0.45);
}

.vh360-course-author-lesson-list li:last-child .vh360-course-author-lesson-item {
    border-bottom: none;
}

.vh360-course-author-lesson-thumb {
    width: 72px;
    height: 48px;
    border-radius: 6px;
    overflow: hidden;
    background: var(--vh360-course-author-soft);
    flex-shrink: 0;
}

.vh360-course-author-lesson-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.vh360-course-author-lesson-thumb-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--vh360-course-author-muted);
}

.vh360-course-author-lesson-content {
    min-width: 0;
}

.vh360-course-author-lesson-title {
    display: block;
    margin: 0 0 6px;
    font-size: 0.95rem;
    font-weight: 800;
    color: var(--vh360-course-author-text);
    text-decoration: none;
    line-height: 1.35;
}

.vh360-course-author-lesson-title:hover {
    color: var(--vh360-course-author-primary);
}

.vh360-course-author-lesson-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    color: var(--vh360-course-author-muted);
    font-size: 0.8rem;
}

.vh360-course-author-lesson-meta span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 8px;
    border-radius: 9999px;
    background: var(--vh360-course-author-soft);
    font-weight: 600;
}

.vh360-course-author-lesson-duration {
    display: inline-flex;
    align-items: center;
    color: var(--vh360-course-author-muted);
    font-size: 0.8rem;
    font-weight: 700;
    white-space: nowrap;
    flex-shrink: 0;
}

.vh360-course-author-preview-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 9px;
    border-radius: 9999px;
    background: rgba(196, 127, 44, 0.14);
    color: var(--vh360-course-author-accent);
    font-size: 0.75rem;
    font-weight: 800;
}

/* ===================================================================
   About — Instructor Profile Panel
   =================================================================== */

.vh360-course-author-about-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 24px;
}

.vh360-course-author-about-main {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.vh360-course-author-about-sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.vh360-course-author-about-card,
.vh360-course-author-stats-card,
.vh360-course-author-links-card {
    background: var(--vh360-course-author-surface);
    border: 1px solid var(--vh360-course-author-border);
    border-radius: calc(var(--vh360-course-author-radius) + 4px);
    box-shadow: 0 8px 22px rgba(70, 53, 31, 0.08);
    padding: 24px;
}

.vh360-course-author-bio-full {
    color: var(--vh360-course-author-text);
    line-height: 1.75;
    font-size: 1rem;
}

.vh360-course-author-bio-full p {
    margin: 0 0 1em;
}

.vh360-course-author-bio-full p:last-child {
    margin-bottom: 0;
}

.vh360-course-author-bio-empty {
    color: var(--vh360-course-author-muted);
}

.vh360-course-author-stats-grid {
    display: grid;
    gap: 12px;
}

.vh360-course-author-stat-tile {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border-radius: var(--vh360-course-author-radius);
    background: var(--vh360-course-author-soft);
}

.vh360-course-author-stat-label {
    color: var(--vh360-course-author-muted);
    font-size: 0.875rem;
    font-weight: 600;
}

.vh360-course-author-stat-value {
    color: var(--vh360-course-author-primary);
    font-size: 1.15rem;
    font-weight: 900;
}

.vh360-course-author-stat-value--sm {
    font-size: 0.95rem;
}

/* Legacy stat item (keep for backwards compat) */
.vh360-course-author-stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--vh360-course-author-border);
    font-size: 0.875rem;
}

.vh360-course-author-stat-item:last-child {
    border-bottom: none;
}

.vh360-course-author-social-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.vh360-course-author-social-link {
    display: inline-flex;
    align-items: center;
    padding: 9px 14px;
    border-radius: 9999px;
    background: var(--vh360-course-author-soft);
    color: var(--vh360-course-author-primary);
    font-weight: 700;
    font-size: 0.875rem;
    text-decoration: none;
    border: 1px solid var(--vh360-course-author-border);
    transition: background 0.2s ease, border-color 0.2s ease;
}

.vh360-course-author-social-link:hover {
    background: var(--vh360-course-author-border);
    border-color: var(--vh360-course-author-accent);
    color: var(--vh360-course-author-primary);
}

/* Legacy link styles */
.vh360-course-author-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.vh360-course-author-links-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.vh360-course-author-link {
    display: inline-flex;
    align-items: center;
    padding: 9px 14px;
    border-radius: 9999px;
    background: var(--vh360-course-author-soft);
    color: var(--vh360-course-author-primary);
    font-weight: 700;
    font-size: 0.875rem;
    text-decoration: none;
    border: 1px solid var(--vh360-course-author-border);
    transition: background 0.2s ease;
}

.vh360-course-author-link:hover {
    background: var(--vh360-course-author-border);
    text-decoration: none;
}

/* Legacy learner about layout */
.vh360-course-author-learner-about {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

/* ===================================================================
   Followers / Following — Scoped User Card Styles
   =================================================================== */

.vh360-course-author-page .vh360-users-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 300px));
    justify-content: start;
    gap: 20px;
}

.vh360-course-author-page .vh360-user-card {
    background: var(--vh360-course-author-surface);
    border: 1px solid var(--vh360-course-author-border);
    border-radius: calc(var(--vh360-course-author-radius) + 2px);
    box-shadow: 0 8px 20px rgba(70, 53, 31, 0.08);
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.vh360-course-author-page .vh360-user-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--vh360-course-author-shadow);
}

.vh360-course-author-page .vh360-user-card-content {
    padding: 20px;
    text-align: center;
}

.vh360-course-author-page .vh360-user-card-avatar {
    width: 82px;
    height: 82px;
    margin: 0 auto 14px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--vh360-course-author-soft);
}

.vh360-course-author-page .vh360-user-card-avatar img,
.vh360-course-author-page .vh360-user-avatar-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.vh360-course-author-page .vh360-user-card-name {
    margin: 0 0 4px;
    font-size: 1rem;
    font-weight: 900;
}

.vh360-course-author-page .vh360-user-card-name a {
    color: var(--vh360-course-author-text);
    text-decoration: none;
}

.vh360-course-author-page .vh360-user-card-name a:hover {
    color: var(--vh360-course-author-primary);
}

.vh360-course-author-page .vh360-user-card-username {
    color: var(--vh360-course-author-muted);
    font-size: 0.875rem;
    margin-bottom: 10px;
}

.vh360-course-author-page .vh360-user-card-bio {
    color: var(--vh360-course-author-muted);
    line-height: 1.55;
    font-size: 0.875rem;
}

.vh360-course-author-page .vh360-user-card-actions {
    margin-top: 16px;
}

.vh360-course-author-page .vh360-user-card-follow-btn,
.vh360-course-author-page .vh360-follow-button {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    padding: 9px 16px;
    border-radius: 9999px;
    background: var(--vh360-course-author-primary);
    color: #ffffff;
    font-weight: 800;
    font-size: 0.875rem;
    border: none;
    text-decoration: none;
    cursor: pointer;
    transition: background 0.2s ease;
}

.vh360-course-author-page .vh360-user-card-follow-btn:hover,
.vh360-course-author-page .vh360-follow-button:hover {
    background: var(--vh360-course-author-primary-dark);
    color: #ffffff;
}

/* ===================================================================
   Learner Activity Grid
   =================================================================== */

.vh360-course-author-activity-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.25rem;
}

.vh360-course-author-activity-item {
    background: var(--vh360-course-author-surface);
    border: 1px solid var(--vh360-course-author-border);
    border-radius: var(--vh360-course-author-radius);
    overflow: hidden;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.vh360-course-author-activity-item:hover {
    box-shadow: 0 6px 18px rgba(70, 53, 31, 0.12);
    transform: translateY(-2px);
}

.vh360-course-author-activity-thumb {
    display: block;
    overflow: hidden;
    aspect-ratio: 16 / 9;
    background: var(--vh360-course-author-soft);
}

.vh360-course-author-activity-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.vh360-course-author-activity-item:hover .vh360-course-author-activity-thumb img {
    transform: scale(1.04);
}

.vh360-course-author-activity-info {
    padding: 0.75rem;
}

.vh360-course-author-activity-title {
    display: block;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--vh360-course-author-text);
    text-decoration: none;
    line-height: 1.3;
    margin-bottom: 0.25rem;
}

.vh360-course-author-activity-title:hover {
    color: var(--vh360-course-author-primary);
}

.vh360-course-author-activity-date {
    font-size: 0.8rem;
    color: var(--vh360-course-author-muted);
}

/* ===================================================================
   Empty States — Polished & Consistent
   =================================================================== */

.vh360-course-author-empty-state {
    background: var(--vh360-course-author-surface);
    border: 1px dashed var(--vh360-course-author-border);
    border-radius: calc(var(--vh360-course-author-radius) + 4px);
    padding: 48px 24px;
    text-align: center;
    color: var(--vh360-course-author-muted);
}

.vh360-course-author-empty-state .vh360-empty-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    line-height: 1;
}

.vh360-course-author-empty-state h3,
.vh360-course-author-empty-state .vh360-empty-title {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--vh360-course-author-text);
    margin: 0 0 8px;
}

.vh360-course-author-empty-state p,
.vh360-course-author-empty-state .vh360-empty-description {
    max-width: 520px;
    margin: 0 auto;
    line-height: 1.6;
    font-size: 0.9rem;
}

/* ===================================================================
   Pagination
   =================================================================== */

.vh360-course-author-pagination {
    margin-top: 2rem;
    display: flex;
    justify-content: center;
}

.vh360-course-author-pagination .page-numbers {
    display: inline-flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 0.25rem;
}

.vh360-course-author-pagination .page-numbers li a,
.vh360-course-author-pagination .page-numbers li span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2rem;
    height: 2rem;
    padding: 0 0.5rem;
    border: 1px solid var(--vh360-course-author-border);
    border-radius: var(--vh360-course-author-radius);
    font-size: 0.875rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--vh360-course-author-muted);
    transition: background 0.2s, color 0.2s;
}

.vh360-course-author-pagination .page-numbers li a:hover,
.vh360-course-author-pagination .page-numbers li span.current {
    background: var(--vh360-course-author-primary);
    border-color: var(--vh360-course-author-primary);
    color: #ffffff;
}

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

@media (max-width: 900px) {
    .vh360-course-author-about-layout {
        grid-template-columns: 1fr;
    }

    .vh360-course-author-section-header {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 767px) {
    .vh360-course-author-banner {
        height: 180px;
    }

    .vh360-course-author-info {
        margin-top: -50px;
    }

    .vh360-course-author-info-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .vh360-course-author-avatar {
        width: 90px;
        height: 90px;
    }

    .vh360-course-author-name {
        font-size: 1.25rem;
    }

    .vh360-course-author-actions {
        width: 100%;
    }

    .vh360-course-author-learner-header .vh360-course-author-learner-info {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 640px) {
    .vh360-course-author-courses-grid,
    .vh360-course-author-page .vh360-users-grid {
        grid-template-columns: 1fr;
    }

    .vh360-course-author-nav {
        border-radius: 999px;
    }

    .vh360-course-author-nav-link {
        padding: 9px 13px;
        font-size: 0.875rem;
    }

    .vh360-course-author-lesson-item {
        grid-template-columns: 56px 1fr;
    }

    .vh360-course-author-lesson-duration {
        grid-column: 2;
        justify-self: start;
        margin-top: 4px;
    }

    .vh360-course-author-activity-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .vh360-course-author-activity-grid {
        grid-template-columns: 1fr;
    }
}