* {
    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;
    overflow-x: hidden;
}

/* Background Shapes */
.bg-shapes {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
    animation: float 20s infinite ease-in-out;
}

.shape-1 {
    width: 300px;
    height: 300px;
    background: linear-gradient(45deg, #ff6b6b, #ff8e53);
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 200px;
    height: 200px;
    background: linear-gradient(45deg, #4ecdc4, #44a08d);
    top: 60%;
    right: 10%;
    animation-delay: -7s;
}

.shape-3 {
    width: 250px;
    height: 250px;
    background: linear-gradient(45deg, #a8edea, #fed6e3);
    bottom: 10%;
    left: 20%;
    animation-delay: -14s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    33% {
        transform: translateY(-30px) rotate(120deg);
    }
    66% {
        transform: translateY(30px) rotate(240deg);
    }
}

/* Header */
header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

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

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

.logo h1 {
    font-size: 1.75rem;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

nav {
    display: flex;
    gap: 1rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.nav-link:hover::before {
    left: 100%;
}

.nav-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
}

.nav-link i {
    font-size: 1.1rem;
}

/* Main Content */
main {
    position: relative;
    z-index: 10;
    max-width: 1400px;
    margin: 2rem auto;
    padding: 0 2rem;
}

section {
    display: none;
    animation: slideIn 0.5s ease-out;
}

section.active {
    display: block;
}

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

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.section-header h2 i {
    margin-right: 1rem;
    color: #ffd700;
}

.section-header p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 0 1px 5px rgba(0, 0, 0, 0.3);
    margin-bottom: 1.5rem;
}

.gallery-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.refresh-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
    font-size: 0.9rem;
}

.refresh-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

.refresh-btn i {
    font-size: 0.9rem;
}

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

.photo-item {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transform-style: preserve-3d;
}

.photo-item:hover {
    transform: translateY(-15px) rotateX(5deg);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.25);
}

.photo-item img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    cursor: pointer;
    transition: all 0.4s ease;
}

.photo-item:hover img {
    transform: scale(1.08);
    filter: brightness(1.1);
}

.photo-info {
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(247, 250, 252, 0.95));
    position: relative;
}

.photo-info::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #667eea, #764ba2);
}

.photo-info h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 0.5rem;
}

.photo-info p {
    color: #718096;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

/* Tags */
.tags {
    margin-top: 1rem;
}

.tag {
    display: inline-block;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    margin: 0.2rem 0.2rem 0.2rem 0;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.tag::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;
}

.tag:hover::before {
    left: 100%;
}

.tag:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

/* Filter Info Header */
.filter-info {
    margin: 2rem 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 1.5rem 2rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.filter-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.filter-header h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #2d3748;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.filter-header h3 i {
    color: #667eea;
}

.clear-filter-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, #28a745, #20c997);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(40, 167, 69, 0.3);
    font-size: 0.9rem;
}

.clear-filter-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(40, 167, 69, 0.4);
}

.clear-filter-btn i {
    font-size: 0.8rem;
}

/* Legacy clear filter (fallback) */
.clear-filter {
    text-align: center;
    margin: 2rem 0;
}

.clear-filter button {
    background: linear-gradient(135deg, #28a745, #20c997);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(40, 167, 69, 0.3);
}

.clear-filter button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(40, 167, 69, 0.4);
}

/* Login Container */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 70vh;
    padding: 2rem;
}

.login-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 25px;
    padding: 3rem;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    max-width: 450px;
    width: 100%;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.login-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, #667eea, #764ba2);
}

.login-header {
    margin-bottom: 2rem;
}

.login-header i {
    font-size: 3rem;
    color: #667eea;
    margin-bottom: 1rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

.login-header h2 {
    font-size: 1.8rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 0.5rem;
}

.login-header p {
    color: #718096;
    font-size: 1rem;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.input-group i {
    position: absolute;
    left: 1rem;
    color: #9ca3af;
    z-index: 10;
    transition: color 0.3s ease;
}

.input-group input {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    border: 2px solid #e5e7eb;
    border-radius: 15px;
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.9);
    transition: all 0.3s ease;
    color: #374151;
}

.input-group input:focus {
    outline: none;
    border-color: #667eea;
    background: white;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.input-group input:focus + i,
.input-group input:focus ~ i {
    color: #667eea;
}

.login-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border: none;
    border-radius: 15px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
    position: relative;
    overflow: hidden;
}

.login-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

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

.login-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(102, 126, 234, 0.4);
}

/* Admin Panel */
.admin-panel {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 25px;
    padding: 2rem;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.admin-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, #667eea, #764ba2);
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid #f1f5f9;
}

.admin-header h2 {
    font-size: 1.8rem;
    font-weight: 700;
    color: #2d3748;
}

.admin-header h2 i {
    margin-right: 0.5rem;
    color: #667eea;
}

.logout-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
    border: none;
    border-radius: 50px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(239, 68, 68, 0.3);
}

.logout-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(239, 68, 68, 0.4);
}

.admin-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.section-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(247, 250, 252, 0.9));
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.section-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #667eea, #764ba2);
}

.section-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 1.5rem;
}

.section-card h3 i {
    margin-right: 0.5rem;
    color: #667eea;
}

/* Upload Area */
.upload-area {
    border: 3px dashed #667eea;
    border-radius: 15px;
    padding: 3rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: rgba(102, 126, 234, 0.05);
    margin-bottom: 1.5rem;
    position: relative;
    min-height: 150px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.upload-area:hover,
.upload-area.highlight {
    border-color: #5a67d8;
    background: rgba(102, 126, 234, 0.15);
    transform: translateY(-2px);
    border-style: solid;
}

.upload-area.highlight {
    background: rgba(102, 126, 234, 0.2);
    border-color: #4c51bf;
}

.upload-area i {
    font-size: 3rem;
    color: #667eea;
    margin-bottom: 1rem;
    display: block;
}

.upload-area p {
    font-size: 1.1rem;
    font-weight: 600;
    color: #4a5568;
    margin-bottom: 0.5rem;
}

.upload-area span {
    font-size: 0.9rem;
    color: #718096;
}

.upload-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    border: none;
    border-radius: 15px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.3);
}

.upload-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(16, 185, 129, 0.4);
}

/* Admin Photo Grid */
.admin-photo-grid {
    display: grid;
    gap: 1.5rem;
    max-height: 400px;
    overflow-y: auto;
    padding-right: 0.5rem;
}

.admin-photo-grid::-webkit-scrollbar {
    width: 6px;
}

.admin-photo-grid::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 3px;
}

.admin-photo-grid::-webkit-scrollbar-thumb {
    background: #667eea;
    border-radius: 3px;
}

.admin-photo-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.5);
    transition: all 0.3s ease;
}

.admin-photo-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
}

.admin-photo-item img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.photo-details {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.photo-details input {
    padding: 0.75rem;
    border: 2px solid #e5e7eb;
    border-radius: 10px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.9);
}

.photo-details input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

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

.edit-btn {
    background: linear-gradient(135deg, #ffc107, #ff8f00);
    color: white;
    border: none;
    padding: 0.6rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 3px 10px rgba(255, 193, 7, 0.3);
}

.edit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 193, 7, 0.4);
}

.delete-btn {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
    border: none;
    padding: 0.6rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 3px 10px rgba(239, 68, 68, 0.3);
}

.delete-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(239, 68, 68, 0.4);
}

/* Messages */
.error, .success {
    padding: 1rem 1.5rem;
    border-radius: 12px;
    margin: 1rem 0;
    font-weight: 500;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.error {
    background: linear-gradient(135deg, #fef2f2, #fee2e2);
    color: #dc2626;
    border: 2px solid #fecaca;
}

.success {
    background: linear-gradient(135deg, #f0fdf4, #dcfce7);
    color: #059669;
    border: 2px solid #bbf7d0;
}

/* Lightbox */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    cursor: pointer;
    padding: 20px;
    box-sizing: border-box;
    backdrop-filter: blur(5px);
}

.lightbox-content {
    position: relative;
    max-width: 80%;
    max-height: 80%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 15px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
}

.close {
    position: absolute;
    top: -15px;
    right: -15px;
    color: white;
    font-size: 24px;
    cursor: pointer;
    background: rgba(0, 0, 0, 0.8);
    border: 3px solid white;
    padding: 8px;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.3s ease;
    font-weight: bold;
    line-height: 1;
}

.close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1) rotate(90deg);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .admin-grid {
        grid-template-columns: 1fr;
    }
    
    .photo-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }
    
    nav {
        width: 100%;
        justify-content: center;
    }
    
    .nav-link span {
        display: none;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .photo-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 1.5rem;
    }
    
    .login-card {
        margin: 1rem;
        padding: 2rem;
    }
    
    .admin-panel {
        margin: 1rem;
        padding: 1.5rem;
    }
    
    .admin-header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .admin-photo-item {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .admin-photo-item img {
        width: 120px;
        height: 120px;
        margin: 0 auto;
    }
    
    .photo-details {
        margin: 0;
    }
    
    .photo-actions {
        justify-content: center;
    }
    
    .filter-header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .filter-header h3 {
        font-size: 1rem;
    }
    
    .lightbox {
        padding: 15px;
    }
    
    .lightbox-content {
        max-width: 90%;
        max-height: 85%;
    }
    
    .close {
        top: -10px;
        right: -10px;
        width: 35px;
        height: 35px;
        font-size: 18px;
    }
}

@media (max-width: 480px) {
    main {
        padding: 0 1rem;
    }
    
    .section-header h2 {
        font-size: 1.8rem;
    }
    
    .photo-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .upload-area {
        padding: 2rem 1rem;
    }
    
    .upload-area i {
        font-size: 2rem;
    }
    
    .lightbox {
        padding: 10px;
    }
    
    .lightbox-content {
        max-width: 95%;
        max-height: 90%;
    }
    
    .close {
        top: 5px;
        right: 5px;
        width: 30px;
        height: 30px;
        font-size: 16px;
    }
}