/* ============================================
   PROFESSIONAL COURSES/CLUBS PAGE DESIGN
   Senior-Level UI/UX Implementation
============================================= */

:root {
    /* Brand Colors */
    --courses-primary: #002b1b;
    --courses-secondary: #00d9a3;
    --courses-accent: #00ffc8;
    
    /* Neutral Colors */
    --courses-bg: #f8fafb;
    --courses-white: #ffffff;
    --courses-text-dark: #1a1a1a;
    --courses-text-light: #666666;
    --courses-border: #e5e7eb;
    
    /* Shadows */
    --courses-shadow: 0 10px 30px rgba(0, 43, 27, 0.08);
    --courses-shadow-hover: 0 15px 45px rgba(0, 43, 27, 0.15);
}

/* ============================================
   PAGE LAYOUT
============================================= */

.appointment-content-area {
    background: var(--courses-bg);
    padding: 80px 0 !important;
}

/* ============================================
   SEARCH & FILTER BAR
============================================= */

.top-search-wrapper {
    background: var(--courses-white);
    border-radius: 16px;
    padding: 30px;
    box-shadow: var(--courses-shadow);
    margin-bottom: 50px;
    display: flex;
    gap: 20px;
    align-items: center;
    flex-wrap: wrap;
}

.top-search-wrapper .right-part {
    display: flex;
    gap: 15px;
    flex: 1;
    min-width: 300px;
}

.top-search-wrapper .left-part {
    flex: 1;
    min-width: 300px;
}

.top-search-wrapper .form-control {
    height: 50px;
    border-radius: 12px;
    border: 2px solid var(--courses-border);
    padding: 0 20px;
    font-size: 15px;
    transition: all 0.3s ease;
    background: var(--courses-white);
}

.top-search-wrapper .form-control:focus {
    border-color: var(--courses-secondary);
    box-shadow: 0 0 0 4px rgba(0, 217, 163, 0.1);
    outline: none;
}

.top-search-wrapper select.form-control {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23343a40' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 15px center;
    background-size: 16px 12px;
    padding-right: 45px;
}

.search-wrapper {
    position: relative;
}

.search-wrapper .search-box {
    position: relative;
    margin: 0;
}

.search-wrapper input.form-control {
    padding-right: 55px;
}

.search-wrapper .submit-btn {
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    width: 45px;
    height: 40px;
    background: linear-gradient(135deg, var(--courses-primary), var(--courses-secondary));
    border: none;
    border-radius: 8px;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-wrapper .submit-btn:hover {
    transform: translateY(-50%) scale(1.05);
    box-shadow: 0 5px 15px rgba(0, 217, 163, 0.4);
}

/* ============================================
   COURSE/CLUB GRID CARDS - ULTRA ENHANCED
============================================= */

.course-single-grid-item {
    background: var(--courses-white);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--courses-shadow);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    margin-bottom: 30px;
    height: calc(100% - 30px);
    display: flex;
    flex-direction: column;
    border: 2px solid transparent;
    position: relative;
    animation: fadeInUp 0.6s ease-out forwards;
    opacity: 0;
}

/* Staggered animation for cards */
.course-single-grid-item:nth-child(1) { animation-delay: 0.1s; }
.course-single-grid-item:nth-child(2) { animation-delay: 0.2s; }
.course-single-grid-item:nth-child(3) { animation-delay: 0.3s; }
.course-single-grid-item:nth-child(4) { animation-delay: 0.4s; }
.course-single-grid-item:nth-child(5) { animation-delay: 0.5s; }
.course-single-grid-item:nth-child(6) { animation-delay: 0.6s; }

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

/* Glowing border effect on hover */
.course-single-grid-item::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: linear-gradient(135deg, var(--courses-secondary), var(--courses-accent), var(--courses-primary));
    border-radius: 24px;
    opacity: 0;
    transition: opacity 0.5s ease;
    z-index: -1;
}

.course-single-grid-item:hover::before {
    opacity: 1;
    animation: borderGlow 2s linear infinite;
}

@keyframes borderGlow {
    0%, 100% {
        background: linear-gradient(135deg, var(--courses-secondary), var(--courses-accent), var(--courses-primary));
    }
    50% {
        background: linear-gradient(135deg, var(--courses-accent), var(--courses-primary), var(--courses-secondary));
    }
}

.course-single-grid-item:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: 0 25px 60px rgba(0, 43, 27, 0.2);
    border-color: transparent;
}

/* Image/Thumbnail - Enhanced with Multiple Effects */
.course-single-grid-item .thumb {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/10;
    background: linear-gradient(135deg, #e0e0e0, #f5f5f5);
}

.course-single-grid-item .thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1), filter 0.5s ease;
    filter: brightness(0.95);
}

.course-single-grid-item:hover .thumb img {
    transform: scale(1.15) rotate(2deg);
    filter: brightness(1.05);
}

/* Gradient overlay with animation */
.course-single-grid-item .thumb::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0, 43, 27, 0.6) 0%, rgba(0, 217, 163, 0.3) 100%);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.course-single-grid-item:hover .thumb::after {
    opacity: 1;
}

/* Shine effect on hover */
.course-single-grid-item .thumb::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transform: translateX(-100%);
    transition: transform 0.8s ease;
}

.course-single-grid-item:hover .thumb::before {
    transform: translateX(100%);
}

/* Price Badge - Animated & Enhanced */
.course-single-grid-item .price-wrap {
    position: absolute;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, var(--courses-secondary), var(--courses-accent));
    color: var(--courses-primary);
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 800;
    font-size: 19px;
    box-shadow: 0 10px 25px rgba(0, 217, 163, 0.5);
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    animation: priceFloat 3s ease-in-out infinite;
}

@keyframes priceFloat {
    0%, 100% {
        transform: translateY(0) scale(1);
    }
    50% {
        transform: translateY(-5px) scale(1.05);
    }
}

.course-single-grid-item:hover .price-wrap {
    background: linear-gradient(135deg, var(--courses-accent), var(--courses-secondary));
    transform: scale(1.1) rotate(-5deg);
    box-shadow: 0 15px 35px rgba(0, 217, 163, 0.6);
    animation: none;
}

.course-single-grid-item .price-wrap del {
    font-size: 14px;
    opacity: 0.7;
    font-weight: 500;
    text-decoration: line-through;
    position: relative;
}

.course-single-grid-item .price-wrap del::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 50%;
    height: 2px;
    background: currentColor;
    animation: strikethrough 0.6s ease-out;
}

@keyframes strikethrough {
    from {
        width: 0;
        left: 50%;
    }
    to {
        width: 100%;
        left: 0;
    }
}

/* Category Badge - Glass Morphism with Animation */
.course-single-grid-item .cat {
    position: absolute;
    bottom: 20px;
    left: 20px;
    z-index: 2;
    opacity: 0;
    transform: translateX(-20px);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1) 0.2s;
}

.course-single-grid-item:hover .cat {
    opacity: 1;
    transform: translateX(0);
}

.course-single-grid-item .cat a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(15px);
    border-radius: 50px;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
    position: relative;
    overflow: hidden;
}

/* Gradient border effect */
.course-single-grid-item .cat a::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50px;
    padding: 2px;
    background: linear-gradient(135deg, var(--courses-secondary), var(--courses-accent));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.course-single-grid-item .cat a:hover::before {
    opacity: 1;
}

.course-single-grid-item .cat a.bg-1 { color: #00d9a3; }
.course-single-grid-item .cat a.bg-2 { color: #00ffc8; }
.course-single-grid-item .cat a.bg-3 { color: #002b1b; }
.course-single-grid-item .cat a.bg-4 { color: #00d9a3; }

.course-single-grid-item .cat a:hover {
    background: linear-gradient(135deg, var(--courses-primary), var(--courses-secondary));
    color: white;
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 25px rgba(0, 43, 27, 0.3);
}

/* Ripple effect on click */
.course-single-grid-item .cat a::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    pointer-events: none;
}

.course-single-grid-item .cat a:active::after {
    animation: ripple 0.6s ease-out;
}

@keyframes ripple {
    to {
        transform: translate(-50%, -50%) scale(2);
        opacity: 0;
    }
}

/* Content Area */
.course-single-grid-item .content {
    padding: 30px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* Rating */
.course-single-grid-item .rating-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.course-single-grid-item .ratings {
    position: relative;
    display: inline-block;
    height: 18px;
    line-height: 18px;
}

.course-single-grid-item .ratings .hide-rating,
.course-single-grid-item .ratings .show-rating {
    display: inline-block;
    height: 100%;
    white-space: nowrap;
}

.course-single-grid-item .ratings .hide-rating {
    color: #e0e0e0;
}

.course-single-grid-item .ratings .hide-rating::before {
    content: '★★★★★';
    font-size: 18px;
}

.course-single-grid-item .ratings .show-rating {
    position: absolute;
    top: 0;
    left: 0;
    overflow: hidden;
    color: #ffc107;
}

.course-single-grid-item .ratings .show-rating::before {
    content: '★★★★★';
    font-size: 18px;
}

.course-single-grid-item .rating-wrap p {
    margin: 0;
    font-size: 14px;
    color: var(--courses-text-light);
}

/* Title - With Underline Animation */
.course-single-grid-item .content .title {
    font-size: 22px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 15px;
    color: var(--courses-text-dark);
    transition: color 0.3s ease;
}

.course-single-grid-item .content .title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
    position: relative;
    display: inline;
    background: linear-gradient(to right, var(--courses-secondary), var(--courses-accent));
    background-size: 0% 3px;
    background-repeat: no-repeat;
    background-position: left bottom;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.course-single-grid-item:hover .content .title a {
    color: var(--courses-primary);
    background-size: 100% 3px;
}

/* Subtle text shadow on hover */
.course-single-grid-item:hover .content .title {
    text-shadow: 0 2px 8px rgba(0, 43, 27, 0.1);
}

/* Instructor */
.course-single-grid-item .instructor-wrap {
    font-size: 14px;
    margin-bottom: 15px;
    color: var(--courses-text-light);
}

.course-single-grid-item .instructor-wrap a {
    color: var(--courses-primary);
    font-weight: 600;
    text-decoration: none;
    transition: color 0.3s ease;
}

.course-single-grid-item .instructor-wrap a:hover {
    color: var(--courses-secondary);
}

/* Description */
.course-single-grid-item .description {
    color: var(--courses-text-light);
    line-height: 1.7;
    margin-bottom: 20px;
    flex: 1;
}

/* Footer Info - Animated Icons */
.course-single-grid-item .footer-part {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 20px;
    border-top: 2px solid #f0f0f0;
    gap: 15px;
    position: relative;
}

/* Animated border on hover */
.course-single-grid-item .footer-part::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--courses-secondary), var(--courses-accent));
    transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.course-single-grid-item:hover .footer-part::before {
    width: 100%;
}

.course-single-grid-item .footer-part span {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--courses-text-light);
    font-weight: 600;
    transition: all 0.3s ease;
}

.course-single-grid-item:hover .footer-part span {
    color: var(--courses-text-dark);
}

.course-single-grid-item .footer-part span i {
    color: var(--courses-secondary);
    font-size: 16px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.course-single-grid-item:hover .footer-part span:nth-child(1) i {
    animation: bounceIcon 0.6s ease-in-out;
}

.course-single-grid-item:hover .footer-part span:nth-child(2) i {
    animation: rotateIcon 0.6s ease-in-out;
}

@keyframes bounceIcon {
    0%, 100% {
        transform: translateY(0) scale(1);
    }
    50% {
        transform: translateY(-5px) scale(1.2);
    }
}

@keyframes rotateIcon {
    0%, 100% {
        transform: rotate(0deg) scale(1);
    }
    50% {
        transform: rotate(180deg) scale(1.2);
    }
}

/* ============================================
   PAGINATION
============================================= */

.pagination-wrapper {
    margin-top: 60px;
}

.pagination-wrapper .pagination {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

.pagination-wrapper .pagination .page-item {
    list-style: none;
}

.pagination-wrapper .pagination .page-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    border-radius: 12px;
    background: var(--courses-white);
    border: 2px solid var(--courses-border);
    color: var(--courses-text-dark);
    font-weight: 600;
    transition: all 0.3s ease;
    text-decoration: none;
}

.pagination-wrapper .pagination .page-link:hover {
    background: var(--courses-secondary);
    border-color: var(--courses-secondary);
    color: white;
    transform: translateY(-2px);
}

.pagination-wrapper .pagination .page-item.active .page-link {
    background: linear-gradient(135deg, var(--courses-primary), var(--courses-secondary));
    border-color: var(--courses-primary);
    color: white;
    box-shadow: 0 5px 15px rgba(0, 217, 163, 0.3);
}

.pagination-wrapper .pagination .page-item.disabled .page-link {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* ============================================
   EMPTY STATE
============================================= */

.alert-warning {
    background: linear-gradient(135deg, #fff3cd, #ffe69c);
    border: 2px solid #ffc107;
    border-radius: 16px;
    padding: 30px;
    text-align: center;
    font-size: 16px;
    color: #856404;
}

.alert-warning strong {
    color: var(--courses-primary);
    font-weight: 700;
}

/* ============================================
   RESPONSIVE DESIGN
============================================= */

@media (max-width: 991px) {
    .top-search-wrapper {
        flex-direction: column;
        padding: 25px;
    }
    
    .top-search-wrapper .right-part,
    .top-search-wrapper .left-part {
        width: 100%;
        min-width: auto;
    }
    
    .top-search-wrapper .right-part {
        flex-direction: column;
    }
    
    .course-single-grid-item .content .title {
        font-size: 20px;
    }
}

@media (max-width: 767px) {
    .appointment-content-area {
        padding: 60px 0 !important;
    }
    
    .top-search-wrapper {
        margin-bottom: 40px;
        padding: 20px;
    }
    
    .course-single-grid-item .content {
        padding: 25px;
    }
    
    .course-single-grid-item .content .title {
        font-size: 18px;
    }
    
    .course-single-grid-item .footer-part {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .course-single-grid-item .price-wrap {
        font-size: 16px;
        padding: 8px 16px;
    }
}

@media (max-width: 575px) {
    .course-single-grid-item .thumb {
        aspect-ratio: 4/3;
    }
    
    .search-wrapper .submit-btn {
        position: static;
        transform: none !important;
        width: 100%;
        height: 50px;
        margin-top: 10px;
        border-radius: 12px;
    }
    
    .search-wrapper input.form-control {
        padding-right: 20px;
    }
}

/* ============================================
   ACCESSIBILITY & PERFORMANCE
============================================= */

@media (prefers-reduced-motion: reduce) {
    .course-single-grid-item,
    .course-single-grid-item .thumb img,
    .search-wrapper .submit-btn {
        transition: none !important;
    }
}

/* Focus states for keyboard navigation */
.search-wrapper .submit-btn:focus-visible,
.course-single-grid-item .content .title a:focus-visible,
.pagination-wrapper .pagination .page-link:focus-visible {
    outline: 3px solid var(--courses-secondary);
    outline-offset: 3px;
}