/* =========================================
   ENHANCED COMPONENT STYLES
   Modern Card & Animation System
   ========================================= */

/* ===== ENHANCED SEARCH HERO ===== */
.search-hero {
    position: relative;
    overflow: hidden;
}

/* Animated background pattern */
.search-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    animation: float 15s ease-in-out infinite;
    pointer-events: none;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* ===== MODERN CARD DESIGN ===== */
.result-item,
.search-result-card,
.card-modern {
    position: relative;
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    overflow: hidden;
}

/* Gradient border effect on hover */
.result-item::before,
.search-result-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 2px;
    background: linear-gradient(135deg, var(--accent-color), rgba(65, 84, 241, 0.3));
    -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 var(--transition-base);
    pointer-events: none;
}

.result-item:hover::before,
.search-result-card:hover::before {
    opacity: 1;
}

.result-item:hover,
.search-result-card:hover {
    border-color: rgba(65, 84, 241, 0.2);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

/* Shine effect on hover */
.result-item::after,
.search-result-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent 30%,
        rgba(255, 255, 255, 0.1) 50%,
        transparent 70%
    );
    transform: translateX(-100%);
    transition: transform 0.6s;
    pointer-events: none;
}

.result-item:hover::after,
.search-result-card:hover::after {
    transform: translateX(100%);
}

/* Dark mode adjustments */
[data-theme="dark"] .result-item,
[data-theme="dark"] .search-result-card {
    border-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .result-item:hover,
[data-theme="dark"] .search-result-card:hover {
    border-color: rgba(91, 111, 245, 0.4);
}

/* ===== ENHANCED BADGES ===== */
.tag,
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.375rem 0.875rem;
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 1px solid transparent;
    transition: all var(--transition-base);
    white-space: nowrap;
}

/* Difficulty Badges */
.tag-beginner,
.badge.bg-success,
[class*="difficulty-beginner"] {
    background: linear-gradient(135deg, var(--green-50) 0%, var(--green-100) 100%);
    color: var(--green-700);
    border-color: var(--green-200);
}

.tag-intermediate,
.badge.bg-warning,
[class*="difficulty-intermediate"] {
    background: linear-gradient(135deg, var(--yellow-50) 0%, var(--yellow-100) 100%);
    color: var(--yellow-700);
    border-color: var(--yellow-200);
}

.tag-advanced,
.badge.bg-danger,
[class*="difficulty-advanced"] {
    background: linear-gradient(135deg, var(--red-50) 0%, var(--red-100) 100%);
    color: var(--red-700);
    border-color: var(--red-200);
}

/* Trending Badge with Pulse Animation */
.tag.trending,
.badge-trending {
    background: linear-gradient(135deg, #fee2e2 0%, #fef2f2 100%);
    color: #dc2626;
    border-color: #fecaca;
    animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(220, 38, 38, 0.4);
    }
    50% {
        box-shadow: 0 0 0 6px rgba(220, 38, 38, 0);
    }
}

/* Dark Mode Badge Styles */
[data-theme="dark"] .tag-beginner,
[data-theme="dark"] [class*="difficulty-beginner"] {
    background: rgba(34, 197, 94, 0.15);
    color: #4ade80;
    border-color: rgba(34, 197, 94, 0.3);
}

[data-theme="dark"] .tag-intermediate,
[data-theme="dark"] [class*="difficulty-intermediate"] {
    background: rgba(234, 179, 8, 0.15);
    color: #fbbf24;
    border-color: rgba(234, 179, 8, 0.3);
}

[data-theme="dark"] .tag-advanced,
[data-theme="dark"] [class*="difficulty-advanced"] {
    background: rgba(239, 68, 68, 0.15);
    color: #f87171;
    border-color: rgba(239, 68, 68, 0.3);
}

[data-theme="dark"] .tag.trending {
    background: rgba(220, 38, 38, 0.2);
    color: #f87171;
    border-color: rgba(220, 38, 38, 0.4);
}

/* ===== ENHANCED BUTTONS ===== */
.btn,
button:not(.dropdown-toggle) {
    position: relative;
    overflow: hidden;
    transition: all var(--transition-base);
}

/* Button ripple effect */
.btn::before,
button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:active::before,
button:active::before {
    width: 300px;
    height: 300px;
}

.btn:active,
button:active {
    transform: scale(0.97);
}

/* ===== ENHANCED LINKS ===== */
a:not(.btn):not(.badge):not(.tag) {
    position: relative;
    transition: color var(--transition-base);
}

a:not(.btn):not(.badge):not(.tag)::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: width var(--transition-base);
}

a:not(.btn):not(.badge):not(.tag):hover::after {
    width: 100%;
}

/* ===== SKELETON LOADING ===== */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--gray-200) 0%,
        var(--gray-100) 50%,
        var(--gray-200) 100%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: var(--radius-md);
}

[data-theme="dark"] .skeleton {
    background: linear-gradient(
        90deg,
        var(--gray-800) 0%,
        var(--gray-700) 50%,
        var(--gray-800) 100%
    );
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.skeleton-text {
    height: 1em;
    margin-bottom: 0.5em;
}

.skeleton-title {
    height: 2em;
    margin-bottom: 1em;
}

.skeleton-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
}

/* ===== IMPROVED SEARCH INPUT ===== */
.search-input {
    position: relative;
    transition: all var(--transition-base);
}

.search-input:focus-within {
    box-shadow: 0 0 0 4px rgba(65, 84, 241, 0.1);
}

.search-input input:focus {
    outline: none;
}

/* ===== PAGINATION ENHANCEMENT ===== */
.pagination-wrapper .pagination {
    gap: 0.5rem;
}

.pagination-wrapper .page-link {
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.pagination-wrapper .page-link:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.pagination-wrapper .page-item.active .page-link {
    box-shadow: var(--shadow-md);
}

/* ===== ENHANCED TOOLTIPS ===== */
[data-tooltip] {
    position: relative;
}

[data-tooltip]::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(-4px);
    padding: 0.5rem 0.75rem;
    background: var(--gray-900);
    color: white;
    font-size: var(--text-xs);
    border-radius: var(--radius-md);
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-base);
    z-index: var(--z-tooltip);
}

[data-tooltip]::after {
    content: '';
    position: absolute;
    bottom: calc(100% + 2px);
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: var(--gray-900);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-base);
    z-index: var(--z-tooltip);
}

[data-tooltip]:hover::before,
[data-tooltip]:hover::after {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ===== FADE-IN ANIMATION ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

/* ===== IMPROVED FORM CONTROLS ===== */
.form-control,
.form-select,
input[type="text"],
input[type="email"],
input[type="search"],
textarea {
    transition: all var(--transition-base);
    border-radius: var(--radius-md);
}

.form-control:focus,
.form-select:focus,
input:focus,
textarea:focus {
    box-shadow: 0 0 0 4px rgba(65, 84, 241, 0.1);
    border-color: var(--accent-color);
}

/* ===== MICROINTERACTIONS ===== */
.hover-lift {
    transition: transform var(--transition-base);
}

.hover-lift:hover {
    transform: translateY(-4px);
}

.hover-scale {
    transition: transform var(--transition-base);
}

.hover-scale:hover {
    transform: scale(1.05);
}

.hover-rotate {
    transition: transform var(--transition-base);
}

.hover-rotate:hover {
    transform: rotate(5deg);
}

/* ===== GLASS MORPHISM EFFECT ===== */
.glass {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

[data-theme="dark"] .glass {
    background: rgba(45, 45, 45, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ===== RESPONSIVE ENHANCEMENTS ===== */
@media (max-width: 768px) {
    .result-item,
    .search-result-card {
        padding: var(--space-md);
    }

    .result-item:hover,
    .search-result-card:hover {
        transform: translateY(-2px);
    }
}

/* ===== PRINT STYLES ===== */
@media print {
    .result-item::before,
    .result-item::after,
    .search-result-card::before,
    .search-result-card::after {
        display: none !important;
    }

    .result-item,
    .search-result-card {
        box-shadow: none !important;
        border: 1px solid #ddd !important;
    }
}