:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #8b5cf6;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #3b82f6;
    --dark: #1e293b;
    --light: #f8fafc;
    --gray: #64748b;
    --border: #e2e8f0;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    background-attachment: fixed;
    min-height: 100vh;
    color: var(--dark);
    line-height: 1.6;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

/* Top Navigation */
.top-nav {
    background: white;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
    margin-bottom: 2rem;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    min-height: 60px;
}

.nav-logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s;
    height: 60px;
    line-height: 60px;
}

.nav-logo:hover {
    color: var(--primary-dark);
    transform: translateY(-2px);
}

.nav-logo i {
    font-size: 2rem;
}

.site-logo-img {
    max-height: 50px;
    height: auto;
    width: auto;
    max-width: 200px;
    object-fit: contain;
    display: block;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 101;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary);
    border-radius: 3px;
    transition: all 0.3s;
    display: block;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.nav-link {
    color: var(--dark);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    transition: all 0.3s;
    font-weight: 500;
    font-size: 0.95rem;
}

.nav-link:hover {
    background: var(--light);
    color: var(--primary);
}

.nav-link.active {
    background: var(--primary);
    color: white;
}

.nav-link span {
    display: inline;
}

@media (max-width: 768px) {
    .nav-container {
        position: relative;
        padding: 0.75rem 1rem;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        align-items: stretch;
        padding: 1rem;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        border-radius: 0 0 1rem 1rem;
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        transform: translateY(-10px);
        transition: all 0.3s ease;
        gap: 0.5rem;
    }
    
    .nav-menu.active {
        max-height: 500px;
        opacity: 1;
        transform: translateY(0);
    }
    
    .nav-link {
        width: 100%;
        justify-content: flex-start;
        padding: 1rem;
        border-radius: 0.5rem;
        font-size: 1rem;
    }
    
    .nav-link span {
        display: inline;
    }
}

/* Prompt Tabs */
.prompt-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    background: white;
    padding: 1rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
    justify-content: center;
}

.tab-item {
    padding: 0.75rem 2rem;
    border-radius: 0.5rem;
    text-decoration: none;
    color: var(--gray);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s;
    position: relative;
}

.tab-item:hover {
    color: var(--primary);
    background: rgba(99, 102, 241, 0.05);
}

.tab-item.active {
    color: white;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    box-shadow: var(--shadow);
}

.tab-item.active::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-top: 8px solid var(--secondary);
}

/* Search & Filter */
.search-filter-section {
    background: white;
    padding: 2.5rem;
    border-radius: 1.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    margin-bottom: 2rem;
    border: 1px solid rgba(99, 102, 241, 0.1);
}

.search-box {
    position: relative;
    margin-bottom: 2.5rem;
}

.search-box i {
    position: absolute;
    left: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--primary);
    font-size: 1.1rem;
    z-index: 1;
}

.search-box input {
    width: 100%;
    padding: 1.25rem 1.25rem 1.25rem 3.5rem;
    border: 2px solid var(--border);
    border-radius: 1rem;
    font-size: 1rem;
    transition: all 0.3s;
    background: var(--light);
    color: var(--dark);
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary);
    background: white;
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
    transform: translateY(-2px);
}

.search-box input::placeholder {
    color: var(--gray);
    opacity: 0.7;
}

.filter-title {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 1.25rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.filter-title i {
    color: var(--primary);
    font-size: 1rem;
}

.platform-filter {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 2px solid var(--border);
}

.platform-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.platform-btn {
    padding: 0.875rem 1.75rem;
    border: 2px solid var(--border);
    background: white;
    border-radius: 2rem;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--dark);
    position: relative;
    overflow: hidden;
}

.platform-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.platform-btn:hover::before {
    left: 100%;
}

.platform-btn:hover {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.05);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.15);
}

.platform-btn.active {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-color: var(--primary);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.platform-btn.active i {
    color: white;
}

.platform-btn i {
    font-size: 0.85rem;
    color: var(--primary);
    transition: all 0.3s;
}

.category-filter {
    margin-bottom: 0;
}

.category-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.filter-btn {
    padding: 0.875rem 1.75rem;
    border: 2px solid var(--border);
    background: white;
    border-radius: 2rem;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--dark);
    position: relative;
    overflow: hidden;
}

.filter-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.filter-btn:hover::before {
    left: 100%;
}

.filter-btn:hover {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.05);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.15);
}

.filter-btn.active {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-color: var(--primary);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.filter-btn.active i {
    color: white;
}

.filter-btn i {
    font-size: 0.85rem;
    color: var(--primary);
    transition: all 0.3s;
}

@media (max-width: 768px) {
    .search-filter-section {
        padding: 1.5rem;
    }
    
    .search-box {
        margin-bottom: 2rem;
    }
    
    .search-box input {
        padding: 1rem 1rem 1rem 3rem;
        font-size: 0.95rem;
    }
    
    .platform-filter,
    .category-filter {
        margin-bottom: 1.5rem;
        padding-bottom: 1.5rem;
    }
    
    .platform-buttons,
    .category-buttons {
        gap: 0.5rem;
    }
    
    .platform-btn,
    .filter-btn {
        padding: 0.75rem 1.25rem;
        font-size: 0.85rem;
    }
}
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.platform-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
}

.platform-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.category-filter {
    margin-top: 1rem;
}

.category-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--border);
    background: white;
    border-radius: 2rem;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.filter-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
}

.filter-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

/* Prompts Grid */
.prompts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1.5rem;
}

.prompt-card {
    background: white;
    border-radius: 1.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.prompt-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 50%, #f093fb 100%);
    z-index: 1;
}

.prompt-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.02) 0%, rgba(139, 92, 246, 0.02) 100%);
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
}

.prompt-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.prompt-card:hover::after {
    opacity: 1;
}

.prompt-card-link {
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.prompt-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: var(--light);
    position: relative;
}

.prompt-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.prompt-card:hover .prompt-image img {
    transform: scale(1.05);
}

.image-count-badge {
    position: absolute;
    bottom: 0.5rem;
    right: 0.5rem;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    backdrop-filter: blur(4px);
}

.prompt-image-placeholder {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3rem;
    opacity: 0.9;
    position: relative;
    overflow: hidden;
}

.prompt-image-placeholder::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.prompt-card-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.prompt-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.category-badge {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    padding: 0.35rem 0.85rem;
    border-radius: 2rem;
    font-size: 0.75rem;
    font-weight: 600;
    box-shadow: 0 2px 4px rgba(99, 102, 241, 0.3);
    display: inline-block;
}

.prompt-actions {
    display: flex;
    gap: 0.5rem;
}

.copy-btn {
    background: var(--primary);
    color: white;
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.copy-btn:hover {
    background: var(--primary-dark);
    transform: scale(1.1);
}

.prompt-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.prompt-description {
    color: var(--gray);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.prompt-content-preview {
    background: var(--light);
    padding: 1rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    flex-grow: 1;
}

.prompt-content-preview pre {
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    color: var(--dark);
    white-space: pre-wrap;
    word-wrap: break-word;
    margin: 0;
}

.prompt-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding-top: 1rem;
    margin-top: auto;
    border-top: 1px solid var(--border);
}

.prompt-stats {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
}

.prompt-views,
.prompt-visits {
    font-size: 0.85rem;
    color: var(--gray);
    display: flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem 0.5rem;
    background: rgba(99, 102, 241, 0.05);
    border-radius: 0.5rem;
    transition: all 0.3s;
}

.prompt-views:hover,
.prompt-visits:hover {
    background: rgba(99, 102, 241, 0.1);
    transform: scale(1.05);
}

.prompt-visits {
    color: var(--primary);
    background: rgba(99, 102, 241, 0.08);
}

.prompt-visits i {
    color: var(--secondary);
}

.ai-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.ai-badge {
    background: var(--light);
    color: var(--dark);
    padding: 0.25rem 0.75rem;
    border-radius: 0.5rem;
    font-size: 0.75rem;
    font-weight: 500;
}

/* Empty State */
.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 4rem 2rem;
    color: white;
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.7;
}

.empty-state h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

/* Toast */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--success);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 0.5rem;
    box-shadow: var(--shadow-lg);
    display: none;
    align-items: center;
    gap: 0.75rem;
    z-index: 1000;
    animation: slideIn 0.3s ease;
}

.toast.show {
    display: flex;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Tour Modal */
.tour-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 9998;
    backdrop-filter: blur(4px);
}

.tour-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    max-width: 500px;
    width: 90%;
    z-index: 9999;
    box-shadow: var(--shadow-lg);
    animation: modalFadeIn 0.3s ease;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
}

.tour-content {
    text-align: center;
}

.tour-icon {
    font-size: 4rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.tour-step h2 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    color: var(--dark);
}

.tour-step p {
    color: var(--gray);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.tour-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.tour-btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tour-btn.tour-next,
.tour-btn.tour-finish {
    background: var(--primary);
    color: white;
}

.tour-btn.tour-next:hover,
.tour-btn.tour-finish:hover {
    background: var(--primary-dark);
}

.tour-btn.tour-prev,
.tour-btn.tour-skip {
    background: var(--light);
    color: var(--dark);
}

.tour-btn.tour-prev:hover,
.tour-btn.tour-skip:hover {
    background: var(--border);
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    .nav-container {
        flex-direction: column;
        align-items: stretch;
    }
    
    .nav-menu {
        width: 100%;
        justify-content: space-around;
    }
    
    .nav-link {
        flex: 1;
        justify-content: center;
        font-size: 0.85rem;
        padding: 0.5rem;
    }
    
    .prompts-grid {
        grid-template-columns: 1fr;
    }
    
    .search-filter-section {
        padding: 1.5rem;
    }
    
    .tour-modal {
        padding: 1.5rem;
    }
    
    .prompt-tabs {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .tab-item {
        width: 100%;
        justify-content: center;
    }
    
    .prompt-stats {
        width: 100%;
        justify-content: space-between;
    }
}