@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #0ea5e9;
    --dark: #0f172a;
    --dark-light: #1e293b;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.landing-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

.landing-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="1" fill="white" opacity="0.1"/></svg>');
    background-size: 50px 50px;
}

.landing-content {
    max-width: 500px;
    width: 100%;
    position: relative;
    z-index: 1;
}

.logo-section {
    text-align: center;
    margin-bottom: 3rem;
    animation: fadeInDown 0.6s ease;
}

.logo-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    display: inline-block;
    animation: rotate 3s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.main-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.subtitle {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 300;
}

.search-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    box-shadow: var(--shadow-xl);
    animation: fadeInUp 0.6s ease 0.2s both;
}

.search-card h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.search-description {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

.input-group {
    position: relative;
    margin-bottom: 1.5rem;
}

.input-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.25rem;
    z-index: 1;
}

.input-group input {
    width: 100%;
    padding: 1rem 1rem 1rem 3.5rem;
    font-size: 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: var(--transition);
    font-family: inherit;
}

.input-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.btn-primary {
    width: 100%;
    padding: 1rem 2rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1.0625rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-arrow {
    font-size: 1.25rem;
    transition: var(--transition);
}

.btn-primary:hover .btn-arrow {
    transform: translateX(5px);
}

.info-text {
    margin-top: 1.5rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
    animation: fadeInUp 0.6s ease 0.4s both;
}

.feature-item {
    text-align: center;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
}

.feature-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
}

.feature-item h3 {
    font-size: 1rem;
    font-weight: 600;
    color: white;
    margin-bottom: 0.5rem;
}

.feature-item p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 300;
}

.admin-link {
    text-align: center;
    margin-top: 2rem;
    animation: fadeIn 0.6s ease 0.6s both;
}

.admin-link a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    transition: var(--transition);
    display: inline-block;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.admin-link a:hover {
    background: rgba(255, 255, 255, 0.2);
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.navbar {
    background: white;
    box-shadow: var(--shadow-sm);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.btn-secondary-small {
    padding: 0.5rem 1rem;
    background: var(--bg-secondary);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: var(--transition);
    font-size: 0.9375rem;
}

.btn-secondary-small:hover {
    background: var(--bg-tertiary);
}

.customer-page {
    background: var(--bg-secondary);
    min-height: 100vh;
}

.customer-header {
    padding: 3rem 0 2rem;
    text-align: center;
}

.customer-header h1 {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.mobile-display {
    color: var(--text-secondary);
    font-size: 1.0625rem;
}

.project-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-md);
    animation: fadeInUp 0.6s ease;
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 2px solid var(--bg-secondary);
}

.project-header h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.project-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    font-size: 0.9375rem;
}

.meta-item {
    color: var(--text-secondary);
}

.meta-item strong {
    color: var(--text-primary);
    font-weight: 600;
}

.update-count {
    text-align: center;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
}

.count-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.count-label {
    display: block;
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.timeline {
    position: relative;
}

.timeline-item {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
    position: relative;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-marker {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.marker-dot {
    width: 1rem;
    height: 1rem;
    background: var(--primary-color);
    border-radius: 50%;
    border: 3px solid white;
    box-shadow: 0 0 0 3px var(--primary-light);
    z-index: 1;
}

.marker-line {
    width: 2px;
    flex: 1;
    background: var(--border-color);
    margin-top: 0.5rem;
    min-height: 2rem;
}

.timeline-content {
    flex: 1;
    background: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.timeline-content:hover {
    background: var(--bg-tertiary);
    transform: translateX(5px);
}

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

.update-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.update-date {
    display: block;
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 400;
}

.status-badge {
    padding: 0.375rem 0.875rem;
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    white-space: nowrap;
}

.badge-success {
    background: #d1fae5;
    color: #065f46;
}

.badge-warning {
    background: #fef3c7;
    color: #92400e;
}

.badge-danger {
    background: #fee2e2;
    color: #991b1b;
}

.badge-secondary {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.badge-info {
    background: #e0f2fe;
    color: #075985;
    padding: 0.375rem 0.875rem;
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    display: inline-block;
}

.badge-primary {
    background: #dbeafe;
    color: #1e40af;
    padding: 0.375rem 0.875rem;
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    font-weight: 600;
    display: inline-block;
}

.update-description {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.image-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

.gallery-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.gallery-item:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
    color: white;
    font-weight: 500;
}

.gallery-item:hover .image-overlay {
    opacity: 1;
}

.no-updates {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
    font-size: 1.0625rem;
}

.project-footer {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.contact-section {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-md);
    margin-bottom: 2rem;
}

.contact-section h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.contact-section p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    background: #25D366;
    color: white;
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

.btn-whatsapp:hover {
    background: #22c55e;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.no-results {
    background: white;
    padding: 4rem 2rem;
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-md);
    max-width: 600px;
    margin: 4rem auto;
}

.no-results-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
}

.no-results h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.no-results p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 1.0625rem;
}

.lightbox {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 9999;
    cursor: pointer;
    animation: fadeIn 0.3s ease;
}

.lightbox.active {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.lightbox-close {
    position: absolute;
    top: 2rem;
    right: 2rem;
    font-size: 3rem;
    color: white;
    cursor: pointer;
    font-weight: 300;
    line-height: 1;
    transition: var(--transition);
}

.lightbox-close:hover {
    transform: scale(1.2);
}

.lightbox img {
    max-width: 90%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    animation: zoomIn 0.3s ease;
}

@keyframes zoomIn {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 2rem;
}

.login-container {
    max-width: 450px;
    width: 100%;
}

.login-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: 3rem;
    box-shadow: var(--shadow-xl);
    animation: fadeInUp 0.6s ease;
}

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

.login-header .logo-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.login-header h1 {
    font-size: 1.875rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.login-header p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.alert {
    padding: 1rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
    font-size: 0.9375rem;
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.alert-success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.9375rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group small {
    display: block;
    margin-top: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.btn-block {
    width: 100%;
}

.login-footer {
    text-align: center;
    margin-top: 1.5rem;
}

.login-footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.login-footer a:hover {
    color: var(--primary-dark);
}

.demo-credentials {
    margin-top: 2rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
}

.demo-credentials code {
    background: white;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-family: monospace;
    color: var(--primary-color);
}

.admin-page {
    background: var(--bg-secondary);
    min-height: 100vh;
}

.admin-navbar {
    background: var(--dark);
    color: white;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 100;
}

.admin-nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 4rem;
}

.admin-navbar .nav-brand {
    color: white;
    font-size: 1.25rem;
}

.nav-menu {
    display: flex;
    gap: 0.5rem;
}

.nav-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    padding: 0.625rem 1rem;
    border-radius: var(--radius-md);
    transition: var(--transition);
    font-weight: 500;
    font-size: 0.9375rem;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

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

.user-name {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    font-size: 0.9375rem;
}

.btn-logout {
    padding: 0.5rem 1rem;
    background: rgba(239, 68, 68, 0.2);
    color: #fca5a5;
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: var(--transition);
    font-size: 0.9375rem;
}

.btn-logout:hover {
    background: #ef4444;
    color: white;
}

.admin-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.page-header h1 {
    font-size: 2rem;
    font-weight: 700;
}

.page-header p {
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.stat-card {
    background: white;
    padding: 1.75rem;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    gap: 1.25rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat-icon {
    font-size: 2.5rem;
    width: 4rem;
    height: 4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
}

.stat-primary .stat-icon {
    background: #dbeafe;
}

.stat-success .stat-icon {
    background: #d1fae5;
}

.stat-info .stat-icon {
    background: #e0f2fe;
}

.stat-content h3 {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.section-header h2 {
    font-size: 1.5rem;
    font-weight: 600;
}

.table-responsive {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table thead {
    background: var(--bg-secondary);
}

.data-table th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.data-table td {
    padding: 1rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.9375rem;
}

.data-table tbody tr {
    transition: var(--transition);
}

.data-table tbody tr:hover {
    background: var(--bg-secondary);
}

.action-buttons {
    display: flex;
    gap: 0.5rem;
}

.btn-action {
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: var(--transition);
    font-size: 1rem;
    background: var(--bg-secondary);
}

.btn-action:hover {
    transform: scale(1.1);
}

.btn-view {
    background: #e0f2fe;
}

.btn-view:hover {
    background: #bae6fd;
}

.btn-edit {
    background: #fef3c7;
}

.btn-edit:hover {
    background: #fde68a;
}

.btn-success {
    background: #d1fae5;
}

.btn-success:hover {
    background: #a7f3d0;
}

.empty-state {
    background: white;
    padding: 4rem 2rem;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.empty-state h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.empty-state p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.search-bar {
    background: white;
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: 2rem;
}

.search-input-group {
    display: flex;
    gap: 1rem;
}

.search-input-group input {
    flex: 1;
    padding: 0.875rem 1rem;
    font-size: 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.search-input-group input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.btn-search {
    padding: 0.875rem 1.5rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-search:hover {
    background: var(--primary-dark);
}

.btn-secondary {
    padding: 0.875rem 1.5rem;
    background: var(--bg-secondary);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: var(--transition);
    display: inline-block;
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-tertiary);
}

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

.project-item {
    background: white;
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.project-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.project-item-header {
    margin-bottom: 1.25rem;
}

.project-item-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.project-item-body {
    flex: 1;
    margin-bottom: 1.25rem;
}

.project-info p {
    margin-bottom: 0.625rem;
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.project-info strong {
    color: var(--text-primary);
    font-weight: 600;
}

.project-item-footer {
    display: flex;
    gap: 0.5rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border-color);
    flex-wrap: wrap;
}

.btn-success-small {
    padding: 0.5rem 1rem;
    background: #d1fae5;
    color: #065f46;
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: var(--transition);
    font-size: 0.875rem;
}

.btn-success-small:hover {
    background: #a7f3d0;
}

.btn-icon {
    padding: 0.5rem;
    font-size: 1rem;
    text-decoration: none;
    transition: var(--transition);
}

.btn-icon:hover {
    transform: scale(1.2);
}

.btn-danger {
    background: #fee2e2;
    color: #991b1b;
}

.btn-danger:hover {
    background: #fecaca;
}

.form-card {
    background: white;
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    max-width: 800px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.project-details-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-sm);
    margin-bottom: 2rem;
}

.project-details-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid var(--bg-secondary);
}

.project-details-header h2 {
    font-size: 1.75rem;
    font-weight: 700;
}

.project-details-body {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.detail-item strong {
    color: var(--text-secondary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.detail-item span {
    color: var(--text-primary);
    font-size: 1.0625rem;
}

.project-details-footer {
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.admin-timeline {
    background: white;
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
}

.admin-timeline-item {
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.admin-timeline-item:last-child {
    margin-bottom: 0;
}

.admin-timeline-item:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

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

.timeline-item-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.timeline-date {
    display: block;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.timeline-description {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.admin-image-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.admin-gallery-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
}

.admin-gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.admin-gallery-item:hover img {
    transform: scale(1.1);
}

.delete-image-btn {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    width: 2rem;
    height: 2rem;
    background: #ef4444;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    text-decoration: none;
    opacity: 0;
    transition: var(--transition);
    line-height: 1;
}

.admin-gallery-item:hover .delete-image-btn {
    opacity: 1;
}

.danger-zone {
    background: #fef2f2;
    border: 2px solid #fee2e2;
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin-top: 3rem;
}

.danger-zone h3 {
    color: #991b1b;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.danger-zone p {
    color: #b91c1c;
    margin-bottom: 1rem;
}

.danger-zone .btn-danger {
    padding: 0.875rem 1.5rem;
    background: #ef4444;
    color: white;
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    display: inline-block;
    transition: var(--transition);
}

.danger-zone .btn-danger:hover {
    background: #dc2626;
}

.project-info-banner {
    background: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    margin-bottom: 2rem;
    border-left: 4px solid var(--primary-color);
}

.project-info-banner h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.project-info-banner p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.image-preview {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.preview-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 2px solid var(--border-color);
}

.preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.current-images {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 1rem;
}

.current-image-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 2px solid var(--border-color);
}

.current-image-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.current-image-item .delete-btn {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    width: 2rem;
    height: 2rem;
    background: #ef4444;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    text-decoration: none;
    transition: var(--transition);
    line-height: 1;
}

.current-image-item .delete-btn:hover {
    background: #dc2626;
    transform: scale(1.1);
}

@media (max-width: 768px) {
    .features {
        grid-template-columns: 1fr;
    }

    .project-header {
        flex-direction: column;
        gap: 1.5rem;
    }

    .update-count {
        width: 100%;
    }

    .timeline-item {
        gap: 1rem;
    }

    .image-gallery {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }

    .admin-nav-container {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem 1.5rem;
    }

    .nav-menu {
        width: 100%;
        flex-wrap: wrap;
        justify-content: center;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .project-details-body {
        grid-template-columns: 1fr;
    }

    .table-responsive {
        overflow-x: auto;
    }

    .data-table {
        min-width: 800px;
    }

    .search-input-group {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .main-title {
        font-size: 2rem;
    }

    .search-card {
        padding: 1.5rem;
    }

    .project-card {
        padding: 1.5rem;
    }

    .form-card {
        padding: 1.5rem;
    }

    .admin-timeline {
        padding: 1rem;
    }
}