/**
 * Reviews & Achievements Styles
 * Carousel with auto-slide functionality
 */

/* ============================================
   ACHIEVEMENTS SECTION
   ============================================ */
#achievements-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 60px 0;
    position: relative;
    overflow: hidden;
}

@media (max-width: 767px) {
    #achievements-section {
        padding: 40px 0;
    }
}

#achievements-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.achievements-header {
    text-align: center;
    margin-bottom: 40px;
    position: relative;
    z-index: 1;
}

.achievements-header h2 {
    color: white;
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 12px;
}

@media (max-width: 767px) {
    .achievements-header {
        margin-bottom: 24px;
    }
    .achievements-header h2 {
        font-size: 1.5rem;
        margin-bottom: 8px;
    }
}

.achievements-header p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
    max-width: 600px;
    margin: 0 auto;
}

@media (max-width: 767px) {
    .achievements-header p {
        font-size: 0.85rem;
        padding: 0 16px;
    }
}

.achievements-container {
    position: relative;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 60px;
}

@media (max-width: 767px) {
    .achievements-container {
        padding: 0 12px;
        overflow: hidden;
    }
}

@media (max-width: 767px) {
    #achievements-carousel {
        border-radius: 12px;
        margin: 0;
    }
}

.achievements-track {
    display: flex;
    transition: transform 0.5s ease-in-out;
    align-items: stretch;
}

@media (max-width: 767px) {
    .achievements-track {
        gap: 0;
    }
    
    .achievement-card {
        padding: 0;
        flex: 0 0 100%;
    }
    
    .achievement-card-inner {
        border-radius: 12px;
        margin: 0 8px;
    }
}

.achievement-card {
    flex: 0 0 25%;
    min-width: 0;
    box-sizing: border-box;
    display: flex;
    padding: 8px;
}

@media (max-width: 1199px) {
    .achievement-card {
        flex: 0 0 33.333%;
    }
}

@media (max-width: 991px) {
    .achievement-card {
        flex: 0 0 50%;
    }
}

@media (max-width: 767px) {
    .achievement-card {
        flex: 0 0 100%;
    }
}

.achievement-card-inner {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    width: 100%;
    cursor: pointer;
}

.achievement-card > div,
.achievement-card > div:first-child {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    width: 100%;
    cursor: pointer;
}

@media (max-width: 767px) {
    .achievement-card > div,
    .achievement-card {
        border-radius: 12px;
    }
}

.achievement-card:hover .achievement-card-inner {
    transform: translateY(-6px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.18);
}

.achievement-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.18);
}

.achievement-image {
    position: relative;
    padding-top: 100%; /* Tỷ lệ 1:1 vuông cho ảnh */
    overflow: hidden;
    flex-shrink: 0;
    background: linear-gradient(135deg, #f0f4ff 0%, #e8ecf7 100%);
}

@media (max-width: 1023px) {
    .achievement-image {
        padding-top: 100%;
    }
}

@media (max-width: 767px) {
    .achievement-image {
        padding-top: 100%;
    }
}

@media (max-width: 479px) {
    .achievement-image {
        padding-top: 100%;
    }
}

.achievement-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    transition: transform 0.3s ease;
}

.achievement-card:hover .achievement-image img {
    transform: scale(1.08);
}

.achievement-score {
    position: absolute;
    top: 12px;
    left: 12px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 6px 14px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.9rem;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.5);
    z-index: 2;
}

@media (max-width: 767px) {
    .achievement-score {
        padding: 4px 10px;
        font-size: 0.8rem;
        top: 8px;
        left: 8px;
    }
}

@media (max-width: 479px) {
    .achievement-score {
        padding: 6px 14px;
        font-size: 0.9rem;
        top: 12px;
        left: 12px;
    }
}

.achievement-content {
    padding: 16px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

@media (max-width: 767px) {
    .achievement-content {
        padding: 12px;
        gap: 4px;
    }
}

@media (max-width: 479px) {
    .achievement-content {
        padding: 16px;
        gap: 8px;
    }
}

.achievement-name {
    font-size: 1rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 0;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

@media (max-width: 767px) {
    .achievement-name {
        font-size: 0.85rem;
    }
}

@media (max-width: 479px) {
    .achievement-name {
        font-size: 1.1rem;
    }
}

.achievement-title {
    color: #059669;
    font-weight: 600;
    margin-bottom: 0;
    font-size: 0.9rem;
}

@media (max-width: 767px) {
    .achievement-title {
        font-size: 0.8rem;
    }
}

@media (max-width: 479px) {
    .achievement-title {
        font-size: 0.95rem;
    }
}

.achievement-course {
    display: inline-block;
    background: linear-gradient(135deg, #e0e7ff 0%, #c7d2fe 100%);
    color: #4338ca;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    align-self: flex-start;
    margin-top: auto;
}

@media (max-width: 767px) {
    .achievement-course {
        font-size: 0.7rem;
        padding: 3px 8px;
    }
}

@media (max-width: 479px) {
    .achievement-course {
        font-size: 0.8rem;
        padding: 5px 12px;
    }
}

.achievement-desc {
    display: none; /* Ẩn mô tả để đồng bộ chiều cao */
}

/* ============================================
   LIGHTBOX - Full screen image viewer
   ============================================ */
.lightbox-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.lightbox-overlay.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.lightbox-overlay.active .lightbox-content {
    transform: scale(1);
}

.lightbox-image {
    max-width: 100%;
    max-height: 75vh;
    object-fit: contain;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.lightbox-info {
    text-align: center;
    margin-top: 20px;
    color: white;
}

.lightbox-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.lightbox-title {
    font-size: 1.1rem;
    color: #a5b4fc;
    margin-bottom: 8px;
}

.lightbox-score {
    display: inline-block;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 8px 20px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 1.2rem;
}

.lightbox-close {
    position: absolute;
    top: -50px;
    right: 0;
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.lightbox-nav:hover {
    background: rgba(255, 255, 255, 0.2);
}

.lightbox-prev {
    left: -80px;
}

.lightbox-next {
    right: -80px;
}

@media (max-width: 767px) {
    .lightbox-prev {
        left: -60px;
    }
    .lightbox-next {
        right: -60px;
    }
    .lightbox-nav {
        width: 40px;
        height: 40px;
        font-size: 20px;
    }
    .lightbox-name {
        font-size: 1.2rem;
    }
    .lightbox-title {
        font-size: 0.95rem;
    }
}

/* ============================================
   REVIEWS SECTION - REDESIGNED
   ============================================ */
#reviews-section {
    background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
    padding: 80px 0;
}

.reviews-header {
    text-align: center;
    margin-bottom: 50px;
}

.reviews-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 16px;
}

.reviews-header p {
    color: #64748b;
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.reviews-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    margin-top: 24px;
    flex-wrap: wrap;
}

.reviews-stat-item {
    text-align: center;
}

.reviews-stat-item .stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2563eb;
}

.reviews-stat-item .stat-label {
    color: #6b7280;
    font-size: 0.9rem;
}

.reviews-stat-item .stat-stars {
    color: #fbbf24;
    font-size: 1.5rem;
}

.reviews-container {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 60px;
}

@media (max-width: 767px) {
    .reviews-container {
        padding: 0 12px;
        overflow: hidden;
    }
    
    #reviews-carousel {
        border-radius: 12px;
    }
}

.reviews-track {
    display: flex;
    transition: transform 0.5s ease-in-out;
    align-items: stretch;
    gap: 16px;
}

@media (max-width: 639px) {
    .reviews-track {
        gap: 12px;
    }
}

.review-card {
    flex: 0 0 calc(33.333% - 16px);
    padding: 0;
    box-sizing: border-box;
    display: flex;
}

@media (max-width: 1023px) {
    .review-card {
        flex: 0 0 calc(50% - 8px);
    }
}

@media (max-width: 767px) {
    .review-card {
        flex: 0 0 100%;
        width: 100%;
        margin: 0;
        padding: 12px;
        border-radius: 10px;
    }
    
    .reviews-track {
        gap: 0;
        padding: 0;
    }
    
    .review-content-wrapper {
        flex-direction: row;
        gap: 10px;
        align-items: flex-start;
    }
    
    .review-text-area {
        flex: 1;
        min-width: 0;
    }
    
    .review-image {
        width: 60px;
        height: 60px;
        flex-shrink: 0;
    }
    
    .review-image img {
        width: 60px;
        height: 60px;
        object-fit: cover;
    }
    
    .review-header {
        gap: 10px;
        margin-bottom: 8px;
    }
    
    .review-avatar {
        width: 40px;
        height: 40px;
    }
    
    .review-avatar span {
        font-size: 1rem;
    }
    
    .review-user-name {
        font-size: 0.85rem;
    }
    
    .review-date {
        font-size: 0.7rem;
    }
    
    .review-rating {
        margin-bottom: 8px;
    }
    
    .review-rating .star {
        font-size: 0.9rem;
    }
    
    .review-comment {
        font-size: 0.8rem;
        line-height: 1.5;
    }
    
    .carousel-track-wrapper {
        overflow: hidden;
    }
}

.review-card {
    background: white;
    border-radius: 12px;
    padding: 16px;
    display: flex;
    flex-direction: column;
    width: 100%;
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
}

.review-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.1);
    border-color: #3b82f6;
}

.review-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.review-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.2);
}

.review-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.review-avatar span {
    color: white;
    font-weight: 700;
    font-size: 1.1rem;
    text-transform: uppercase;
}

.review-user-info {
    flex: 1;
    min-width: 0;
}

.review-user-name {
    font-weight: 600;
    font-size: 0.95rem;
    color: #1e293b;
    margin: 0 0 2px 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.review-date {
    display: flex;
    justify-content: left;  
    font-size: 0.75rem;
    color: #94a3b8;
}

.review-rating {
    margin-bottom: 10px;
    display: flex !important;
    flex-direction: row !important;
    flex-wrap: nowrap !important;
    align-items: center;
    gap: 2px;
    justify-content: left;
}

.review-rating > div {
    display: flex !important;
    flex-direction: row !important;
    gap: 2px;
}

.review-rating .star {
    font-size: 0.95rem;
    color: #e2e8f0;
    display: inline-block !important;
    line-height: 1;
    flex-shrink: 0;
}

.review-rating .star.filled {
    color: #fbbf24;
}

.review-comment {
    color: #475569;
    line-height: 1.5;
    font-size: 0.88rem;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    min-height: 4.5em;
    max-height: 4.5em;
}

/* All text areas are clickable like images */
.review-text-area.clickable {
    cursor: pointer;
    transition: all 0.2s ease;
    padding: 6px 8px;
    margin: -6px -8px;
    border-radius: 6px;
    position: relative;
    border: 1px solid transparent;
}

.review-text-area.clickable:hover {
    background: #f8fafc;
    border-color: #e2e8f0;
}

.review-text-area.clickable:active {
    background: #f1f5f9;
    transform: scale(0.98);
}

@media (max-width: 767px) {
    .review-comment {
        -webkit-line-clamp: 2;
        min-height: 3em;
        max-height: 3em;
        font-size: 0.8rem;
    }
    
    .review-text-area.clickable {
        padding: 6px;
        margin: -6px;
    }
}

/* ============================================
   REVIEW TEXT MODAL - Full screen reader
   ============================================ */
.review-text-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    padding: 20px;
    box-sizing: border-box;
}

.review-text-modal.active {
    opacity: 1;
    visibility: visible;
}

.review-text-modal-content {
    background: white;
    border-radius: 20px;
    max-width: 500px;
    width: 100%;
    max-height: 85vh;
    overflow-y: auto;
    padding: 24px;
    position: relative;
    animation: modalSlideUp 0.3s ease;
}

@keyframes modalSlideUp {
    from {
        transform: translateY(30px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.review-text-modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    border: none;
    background: #f1f5f9;
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #64748b;
    transition: all 0.2s ease;
}

.review-text-modal-close:hover {
    background: #e2e8f0;
    color: #1e293b;
}

.review-text-modal-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
    padding-right: 40px;
}

.review-text-modal-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    flex-shrink: 0;
}

.review-text-modal-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.review-text-modal-avatar span {
    color: white;
    font-weight: 700;
    font-size: 1.5rem;
}

.review-text-modal-info {
    flex: 1;
}

.review-text-modal-name {
    font-size: 1.2rem;
    font-weight: 700;
    color: #1e293b;
    margin: 0 0 4px 0;
}

.review-text-modal-date {
    font-size: 0.85rem;
    color: #94a3b8;
    margin-bottom: 6px;
}

.review-text-modal-rating {
    display: flex;
    gap: 2px;
}

.review-text-modal-rating .star {
    font-size: 1.1rem;
    color: #fbbf24;
}

.review-text-modal-body {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #334155;
    padding: 20px;
    background: #f8fafc;
    border-radius: 12px;
}

@media (max-width: 767px) {
    .review-text-modal {
        padding: 12px;
    }
    
    .review-text-modal-content {
        padding: 20px;
        max-height: 90vh;
    }
    
    .review-text-modal-body {
        font-size: 1rem;
        padding: 16px;
    }
}

.read-more-btn:hover {
    color: #1d4ed8;
    text-decoration: underline;
}

/* Content wrapper - comment and image side by side */
.review-content-wrapper {
    display: flex;
    gap: 16px;
    flex: 1;
    align-items: flex-start;
}

.review-text-area {
    flex: 1;
    min-width: 0;
}

.review-image {
    flex-shrink: 0;
    width: 70px;
    height: 70px;
    border-radius: 8px;
    overflow: hidden;
}

.review-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    cursor: pointer;
    transition: transform 0.2s ease;
    border-radius: 6px;
}

.review-image img:hover {
    transform: scale(1.03);
}

/* ============================================
   CAROUSEL CONTROLS
   ============================================ */
/* ============================================
   CAROUSEL NAV BUTTONS - OUTSIDE TRACK
   ============================================ */
#achievements-carousel,
#reviews-carousel,
#teacher-reviews-carousel {
    display: flex;
    align-items: center;
    gap: 12px;
    position: relative;
}

@media (max-width: 767px) {
    #achievements-carousel,
    #reviews-carousel,
    #teacher-reviews-carousel {
        gap: 8px;
    }
}

.carousel-track-wrapper {
    padding-top: 10px;
    flex: 1;
    overflow: hidden;
    border-radius: 16px;
    min-width: 0;
}

@media (max-width: 767px) {
    .carousel-track-wrapper {
        border-radius: 12px;
    }
}

.carousel-nav-btn {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: white;
    border: 2px solid #e5e7eb;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    z-index: 10;
}

@media (max-width: 767px) {
    .carousel-nav-btn {
        width: 36px;
        height: 36px;
    }
    
    .carousel-nav-btn svg {
        width: 16px;
        height: 16px;
    }
}

.carousel-nav-btn:hover {
    background: #2563eb;
    border-color: #2563eb;
    color: white;
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.carousel-nav-btn:active {
    transform: scale(0.95);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

.carousel-nav-btn svg {
    width: 20px;
    height: 20px;
}

#achievements-section .carousel-nav-btn {
    background: rgba(255, 255, 255, 0.95);
    border-color: rgba(255, 255, 255, 0.5);
}

#achievements-section .carousel-nav-btn:hover {
    background: white;
    border-color: white;
    color: #6366f1;
    box-shadow: 0 6px 20px rgba(255, 255, 255, 0.4);
}

@media (max-width: 767px) {
    #achievements-carousel,
    #reviews-carousel,
    #teacher-reviews-carousel {
        gap: 0px;
    }
    
    .carousel-nav-btn {
        width: 36px;
        height: 36px;
    }
    
    .carousel-nav-btn svg {
        width: 16px;
        height: 16px;
    }
}

@media (max-width: 480px) {
    .carousel-nav-btn {
        width: 32px;
        height: 32px;
    }
    
    .carousel-nav-btn svg {
        width: 14px;
        height: 14px;
    }
}

/* Old carousel buttons (keep for compatibility) */
.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: white;
    border: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 10;
}

.carousel-btn:hover {
    background: #2563eb;
    color: white;
}

.carousel-btn.prev {
    left: 0;
}

.carousel-btn.next {
    right: 0;
}

.carousel-btn svg {
    width: 24px;
    height: 24px;
}

.carousel-dots {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    margin-top: 24px;
}

.carousel-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: none;
    background: rgba(0, 0, 0, 0.15);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0;
    padding: 0;
}

.carousel-dot.active {
    background: #2563eb;
    width: 28px;
    border-radius: 10px;
}

#achievements-section .carousel-dot {
    background: rgba(255, 255, 255, 0.3);
}

#achievements-section .carousel-dot.active {
    background: white;
    width: 28px;
}

#achievements-section .carousel-btn {
    background: rgba(255, 255, 255, 0.9);
}

#achievements-section .carousel-btn:hover {
    background: white;
    color: #6366f1;
}

/* ============================================
   REVIEW FORM - REDESIGNED
   ============================================ */
.review-form-section {
    max-width: 680px;
    margin: 60px auto 0;
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    border: 1px solid #e2e8f0;
}

.review-form-title {
    font-size: 1.6rem;
    font-weight: 700;
    color: #1e293b;
    text-align: center;
    margin-bottom: 32px;
}

.star-rating-input {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 28px;
}

.star-btn {
    font-size: 2.5rem;
    background: none;
    border: none;
    cursor: pointer;
    color: #e2e8f0;
    transition: all 0.2s ease;
    padding: 4px;
    line-height: 1;
}

.star-btn:hover,
.star-btn.active {
    color: #fbbf24;
    transform: scale(1.15);
}

.review-textarea {
    width: 100%;
    min-height: 140px;
    padding: 18px;
    border: 2px solid #e2e8f0;
    border-radius: 14px;
    font-size: 1rem;
    resize: vertical;
    transition: all 0.3s ease;
    font-family: inherit;
    background: #f8fafc;
}

.review-textarea:focus {
    outline: none;
    border-color: #3b82f6;
    background: white;
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

.review-textarea::placeholder {
    color: #94a3b8;
}

.review-image-upload {
    margin-top: 20px;
}

.image-upload-label {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 24px;
    background: #f8fafc;
    border: 2px dashed #cbd5e1;
    border-radius: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    color: #64748b;
    font-weight: 500;
}

.image-upload-label:hover {
    border-color: #3b82f6;
    background: #eff6ff;
    color: #3b82f6;
}

.image-upload-label svg {
    width: 22px;
    height: 22px;
}

#image-preview-container {
    margin-top: 16px;
    position: relative;
    display: inline-block;
}

#image-preview-container.hidden {
    display: none !important;
}

#image-preview {
    max-width: 220px;
    max-height: 160px;
    border-radius: 12px;
    object-fit: cover;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.remove-image-btn {
    position: absolute;
    top: -10px;
    right: -10px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: #ef4444;
    color: white;
    border: 2px solid white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: bold;
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.4);
    transition: all 0.2s ease;
}

.remove-image-btn:hover {
    transform: scale(1.1);
    background: #dc2626;
}

.review-submit-btn {
    width: 100%;
    margin-top: 28px;
    padding: 16px 28px;
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: white;
    border: none;
    border-radius: 14px;
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 14px rgba(59, 130, 246, 0.3);
}

.review-submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
}

.review-submit-btn:disabled {
    background: #94a3b8;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.login-prompt {
    text-align: center;
    padding: 48px 24px;
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-radius: 16px;
    border: 1px solid #fcd34d;
}

.login-prompt p {
    color: #92400e;
    margin-bottom: 20px;
    font-size: 1.05rem;
    font-weight: 500;
}

.login-prompt a {
    display: inline-block;
    padding: 14px 32px;
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: white;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 14px rgba(59, 130, 246, 0.3);
}

.login-prompt a:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

/* ============================================
   IMAGE MODAL
   ============================================ */
.image-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    cursor: pointer;
}

.image-modal-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    z-index: 1;
}

.image-modal-content img {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 8px;
}

.image-modal-close {
    position: absolute;
    top: -40px;
    right: 0;
    width: 36px;
    height: 36px;
    background: white;
    border: none;
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ============================================
   LOADING SPINNER
   ============================================ */
.loading-spinner {
    text-align: center;
    padding: 40px;
    color: #6b7280;
}

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */
@media (max-width: 768px) {
    #achievements-section,
    #reviews-section {
        padding: 60px 0;
    }
    
    .achievements-header h2,
    .reviews-header h2 {
        font-size: 1.8rem;
    }
    
    .achievements-container,
    .reviews-container {
        padding: 0 40px;
    }
    
    .carousel-btn {
        width: 36px;
        height: 36px;
    }
    
    .carousel-btn svg {
        width: 18px;
        height: 18px;
    }
    
    .review-form-section {
        margin: 40px 16px 0;
        padding: 24px;
    }
    
    .reviews-stats {
        gap: 20px;
    }
    
    .reviews-stat-item .stat-value {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .achievements-container,
    .reviews-container {
        padding: 0 50px;
    }
    
    .carousel-btn {
        width: 32px;
        height: 32px;
    }
    
    .star-btn {
        font-size: 1.5rem;
    }
}