/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    padding: 2rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

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

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 8px;
}

.logo i {
    font-size: 2.5rem;
    color: #667eea;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.logo h1 {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tagline {
    font-size: 1.1rem;
    color: #666;
    font-weight: 400;
}

/* Main content */
.main {
    padding: 3rem 0;
}

/* Filters */
.filters {
    margin-bottom: 3rem;
}

.filter-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.search-box {
    position: relative;
    min-width: 300px;
    flex: 1;
    max-width: 400px;
}

.search-box i {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: #999;
    z-index: 2;
}

.search-box input {
    width: 100%;
    padding: 12px 16px 12px 48px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.search-box input:focus {
    outline: none;
    border-color: #667eea;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 8px 32px rgba(102, 126, 234, 0.2);
}

.dropdown-container {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    color: #333;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    min-width: 140px;
    justify-content: space-between;
}

.dropdown-btn:hover {
    background: rgba(255, 255, 255, 0.98);
    border-color: #667eea;
    box-shadow: 0 4px 16px rgba(102, 126, 234, 0.15);
}

.dropdown-btn.active {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 16px rgba(102, 126, 234, 0.3);
}

.dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    max-height: 300px;
    overflow-y: auto;
    margin-top: 4px;
}

.dropdown-content.show {
    display: block;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    cursor: pointer;
    transition: background-color 0.2s ease;
    color: #333;
    font-size: 0.9rem;
}

.dropdown-item:hover {
    background: rgba(102, 126, 234, 0.1);
}

.dropdown-item input[type="checkbox"] {
    margin: 0;
    accent-color: #667eea;
}

.dropdown-item span {
    flex: 1;
}

/* Stats */
.stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    padding: 1.5rem 2rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    min-width: 120px;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: #667eea;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.9rem;
    color: #666;
    font-weight: 500;
}

/* Projects Grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.project-card {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border-radius: 16px;
    padding: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.project-card:hover::before {
    transform: scaleX(1);
}

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

.project-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.project-title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

.project-title a:hover {
    color: #667eea;
}

.project-category {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    white-space: nowrap;
}

.project-description {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: 1rem;
}

.project-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: auto;
}

.project-status {
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 500;
}

.status-live {
    background: rgba(34, 197, 94, 0.1);
    color: #22c55e;
}

.status-dev {
    background: rgba(59, 130, 246, 0.1);
    color: #3b82f6;
}

.status-test {
    background: rgba(168, 85, 247, 0.1);
    color: #a855f7;
}

/* No results */
.no-results {
    text-align: center;
    padding: 4rem 2rem;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.no-results i {
    font-size: 3rem;
    color: #999;
    margin-bottom: 1rem;
}

.no-results h3 {
    color: #666;
    margin-bottom: 0.5rem;
}

.no-results p {
    color: #999;
}

/* Footer */
.footer {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border-top: 1px solid rgba(255, 255, 255, 0.3);
    padding: 2rem 0;
    text-align: center;
    color: #333;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
}

.contact-info {
    margin-bottom: 1.5rem;
    padding: 1.5rem;
    border: 2px solid #667eea;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(102, 126, 234, 0.1);
}

.contact-info p {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 500;
    text-align: center;
}

.contact-info a {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    padding: 4px 8px;
    border-radius: 6px;
    background: rgba(102, 126, 234, 0.1);
}

.contact-info a:hover {
    color: #5a67d8;
    background: rgba(102, 126, 234, 0.2);
    text-decoration: none;
}

.footer-credit {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(102, 126, 234, 0.2);
    text-align: center;
}

.footer-credit p {
    margin: 0.5rem 0;
    font-size: 0.95rem;
    color: #000000;
}

.footer-credit a {
    color: #000000;
    text-decoration: none;
    font-weight: 400;
    transition: all 0.3s ease;
    padding: 2px 6px;
    border-radius: 4px;
    background: rgba(0, 0, 0, 0.1);
}

.footer-credit a:hover {
    color: #333333;
    background: rgba(0, 0, 0, 0.2);
    transform: translateY(-1px);
}

.copyright {
    font-style: italic;
    opacity: 0.8;
    font-size: 0.9rem !important;
}

/* Responsive design */
@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
    
    .logo h1 {
        font-size: 2rem;
    }
    
    .logo i {
        font-size: 2rem;
    }
    
    .filter-row {
        flex-direction: column;
        gap: 1rem;
    }
    
    .search-box {
        min-width: 100%;
        max-width: none;
    }
    
    .dropdown-container {
        width: 100%;
        justify-content: center;
    }
    
    .dropdown-btn {
        min-width: 120px;
        font-size: 0.85rem;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .stats {
        gap: 1.5rem;
    }
    
    .stat-item {
        padding: 1rem 1.5rem;
        min-width: 100px;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 1.5rem 0;
    }
    
    .main {
        padding: 2rem 0;
    }
    
    .filters {
        margin-bottom: 2rem;
    }
    
    .dropdown-container {
        flex-direction: column;
        width: 100%;
    }
    
    .dropdown {
        width: 100%;
    }
    
    .dropdown-btn {
        width: 100%;
        justify-content: space-between;
    }
}

/* Loading animation */
.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 3rem;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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