:root {
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --dark-color: #212529;
    --light-color: #f8f9fa;
    --success-color: #28a745;
    --info-color: #17a2b8;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #333;
    transition: background-color 0.3s ease;
}

/* Dark Mode */
body.dark-mode {
    background-color: #1a1a1a;
    color: #f8f9fa;
}

body.dark-mode .card {
    background-color: #2d2d2d;
    color: #f8f9fa;
}

body.dark-mode .bg-light {
    background-color: #2d2d2d !important;
}

body.dark-mode .text-muted {
    color: #adb5bd !important;
}

/* Navbar */
.navbar-brand {
    font-weight: 600;
    font-size: 1.3rem;
}

.navbar-brand i {
    color: var(--primary-color);
}

/* Hero Section */
.hero-section {
    min-height: 400px;
    display: flex;
    align-items: center;
    background-size: cover;
    background-position: center;
}

.hero-section h1 {
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

/* Filters Section */
.filters-section {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Project Cards */
.project-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
    overflow: hidden;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.project-card img {
    height: 250px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.project-card:hover img {
    transform: scale(1.1);
}

.project-card .card-body {
    display: flex;
    flex-direction: column;
}

.project-card .card-title {
    font-weight: 600;
    color: var(--dark-color);
}

.project-card .card-text {
    flex-grow: 1;
}

.tech-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    margin: 0.25rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* Technology specific colors */
.tech-react {
    background-color: #61dafb;
    color: #000;
}

.tech-php {
    background-color: #777bb4;
    color: #fff;
}

.tech-drupal {
    background-color: #0678be;
    color: #fff;
}

.tech-python {
    background-color: #3776ab;
    color: #fff;
}

.tech-nodejs {
    background-color: #339933;
    color: #fff;
}

.tech-vue {
    background-color: #42b883;
    color: #fff;
}

.tech-angular {
    background-color: #dd0031;
    color: #fff;
}

.tech-laravel {
    background-color: #ff2d20;
    color: #fff;
}

.tech-symfony {
    background-color: #000000;
    color: #fff;
}

.tech-mysql {
    background-color: #4479a1;
    color: #fff;
}

.tech-bootstrap {
    background-color: #7952b3;
    color: #fff;
}

.tech-stripe {
    background-color: #635bff;
    color: #fff;
}

.tech-mongodb {
    background-color: #47a248;
    color: #fff;
}

.tech-socket {
    background-color: #010101;
    color: #fff;
}

.tech-html5 {
    background-color: #e34f26;
    color: #fff;
}

.tech-css3 {
    background-color: #1572b6;
    color: #fff;
}

.tech-javascript {
    background-color: #f7df1e;
    color: #000;
}

.tech-gsap {
    background-color: #88ce02;
    color: #000;
}

.tech-twig {
    background-color: #bacf29;
    color: #000;
}

.tech-postgresql {
    background-color: #336791;
    color: #fff;
}

.tech-redis {
    background-color: #dc382d;
    color: #fff;
}

/* Environment badges */
.env-web {
    background-color: #007bff;
    color: #fff;
}

.env-mobile {
    background-color: #28a745;
    color: #fff;
}

.env-desktop {
    background-color: #6c757d;
    color: #fff;
}

.env-cloud {
    background-color: #17a2b8;
    color: #fff;
}

.env-api {
    background-color: #ffc107;
    color: #000;
}

/* Cards */
.card {
    border: none;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.shadow {
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1) !important;
}

/* Buttons */
.btn {
    border-radius: 5px;
    padding: 0.5rem 1.5rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* Progress bars */
.progress {
    border-radius: 10px;
    overflow: hidden;
}

/* Footer */
.footer {
    margin-top: auto;
}

.social-links a {
    transition: transform 0.3s ease;
    display: inline-block;
}

.social-links a:hover {
    transform: translateY(-3px);
}

/* Forms */
.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(102, 126, 234, 0.25);
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Admin Sidebar */
.sidebar {
    position: sticky;
    top: 0;
    height: calc(100vh - 56px);
    overflow-y: auto;
    border-right: 1px solid #dee2e6;
}

.sidebar .nav-link {
    color: #333;
    padding: 0.75rem 1rem;
    border-radius: 0.25rem;
    margin-bottom: 0.25rem;
    transition: all 0.3s ease;
}

.sidebar .nav-link:hover {
    background-color: #e9ecef;
    color: var(--primary-color);
}

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

.sidebar .nav-link i {
    margin-right: 0.5rem;
    width: 20px;
    text-align: center;
}

/* Admin Cards */
.card {
    border-radius: 0.5rem;
    border: none;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
}

.card-header {
    background-color: #f8f9fa;
    border-bottom: 1px solid #dee2e6;
    font-weight: 600;
}

/* Admin Tables */
.table-responsive {
    border-radius: 0.5rem;
}

.table-hover tbody tr:hover {
    background-color: rgba(102, 126, 234, 0.05);
}

/* Content Section */
.content-section {
    animation: fadeIn 0.5s ease;
}

/* Dark Mode Admin */
body.dark-mode .sidebar {
    background-color: #2d2d2d !important;
    border-right-color: #495057;
}

body.dark-mode .sidebar .nav-link {
    color: #f8f9fa;
}

body.dark-mode .sidebar .nav-link:hover {
    background-color: #495057;
}

body.dark-mode .card-header {
    background-color: #343a40;
    border-bottom-color: #495057;
}

.fade-in {
    animation: fadeIn 0.5s ease-in;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-section {
        min-height: 300px;
    }

    .hero-section h1 {
        font-size: 2rem;
    }

    .project-card img {
        height: 200px;
    }
}