/* Global Styles */
:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --dark-color: #212529;
    --light-color: #f8f9fa;
    --success-color: #198754;
    --danger-color: #dc3545;
}

body {
    font-family: 'Roboto', sans-serif;
    background-color: #f8f9fa;
    color: #333;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

.container {
    max-width: 1280px;
}

/* Card Styles */
.card {
    border: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.card-header {
    border-bottom: none;
}

.domain-card:hover {
    border-color: var(--primary-color);
}

/* Table Styles */
.table th {
    font-weight: 600;
    background-color: #f8f9fa;
}

.table-hover tbody tr:hover {
    background-color: rgba(13, 110, 253, 0.05);
}

/* Badge Styles */
.badge {
    font-weight: 500;
    padding: 0.35em 0.65em;
}

/* Button Styles */
.btn {
    border-radius: 0.35rem;
    font-weight: 500;
}

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

.btn-primary:hover {
    background-color: #0b5ed7;
    border-color: #0a58ca;
}

/* Navbar Styles */
.navbar {
    padding: 0.75rem 1rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
    font-weight: 700;
    letter-spacing: 0.5px;
}

/* Footer Styles */
footer {
    background-color: #343a40;
    color: white;
    padding: 30px 0;
    margin-top: auto;
}

footer a {
    color: #adb5bd;
    text-decoration: none;
    transition: all 0.2s ease;
}

footer a:hover {
    color: white;
    text-decoration: none;
}

/* Auth Form Styles */
.auth-form {
    max-width: 450px;
    margin: 0 auto;
    padding: 2rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.auth-form .card-header {
    background-color: transparent;
    border-bottom: none;
    text-align: center;
    padding-bottom: 0;
}

.auth-form .card-body {
    padding-top: 0.5rem;
}

.auth-form h3 {
    font-weight: 600;
    color: #343a40;
    margin-bottom: 1.5rem;
}

.form-control:focus {
    border-color: #80bdff;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

/* Project Details Page */
.project-details .card-title {
    color: var(--primary-color);
}

.project-details .card-subtitle {
    font-size: 1rem;
}

/* Admin Panel */
.admin-stats .card {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
}

.admin-stats .card i {
    opacity: 0.8;
}

.admin-stats .card:hover {
    transform: translateY(-5px);
}

.admin-table th {
    font-weight: 600;
}

/* Domain Cards */
.domain-card {
    border-radius: 8px;
}

.domain-card .card-header {
    border-radius: 8px 8px 0 0;
    padding: 1rem;
}

.domain-card .card-body {
    padding: 1.25rem;
}

.domain-card .badge {
    font-weight: 500;
}

/* Project Details */
.project-header {
    background-color: #f8f9fa;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
}

.project-info {
    padding: 20px;
    background-color: #fff;
    border-radius: 10px;
    margin-bottom: 20px;
}

/* Student Profile */
.student-avatar {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border-radius: 50%;
    border: 3px solid #6c757d;
}

.user-avatar {
    width: 150px;
    height: 150px;
    object-fit: cover;
    border-radius: 50%;
    margin: 0 auto;
    display: block;
    border: 5px solid #f0f0f0;
}

/* Project Management Styles */
.project-card {
    border-radius: 8px;
    border-left: 4px solid #007bff;
}

.project-card.hardware {
    border-left-color: #ffc107;
}

.project-card.software {
    border-left-color: #17a2b8;
}

.project-card .card-title {
    font-weight: 600;
    color: #343a40;
}

.project-card .card-subtitle {
    font-size: 0.875rem;
}

.project-card .card-text {
    color: #6c757d;
    min-height: 60px;
}

.project-card .card-footer {
    background-color: transparent;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    padding: 0.75rem 1.25rem;
}

.btn-group-sm .btn {
    margin-right: 2px;
}

.pagination .page-item.active .page-link {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.breadcrumb {
    background-color: #f8f9fa;
    padding: 0.75rem 1rem;
    border-radius: 0.25rem;
    margin-bottom: 1rem;
}

.form-label {
    font-weight: 500;
}

.required-field::after {
    content: '*';
    color: var(--danger-color);
    margin-left: 4px;
}

.delete-warning {
    color: var(--danger-color);
    font-weight: 500;
    background-color: rgba(220, 53, 69, 0.1);
    padding: 1rem;
    border-radius: 0.25rem;
    margin-bottom: 1rem;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .container {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }
    
    .auth-form {
        max-width: 100%;
        padding: 0 1rem;
    }
    
    .project-header h1 {
        font-size: 1.8rem;
    }
    
    .domain-card .card-img-top {
        height: 140px;
    }
    
    .project-action-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .project-action-buttons .btn {
        margin-bottom: 0.5rem;
    }
}

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

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

/* Project Form Styles */
.dynamic-field {
    animation: fadeIn 0.3s ease-in-out;
}

.field-option {
    display: inline-block;
    margin-right: 10px;
    margin-bottom: 10px;
    padding: 5px 10px;
    border-radius: 15px;
    background-color: #e9ecef;
    font-size: 0.9rem;
}

.field-option:hover {
    background-color: #dee2e6;
    cursor: pointer;
}

.field-option.selected {
    background-color: var(--primary-color);
    color: white;
}

/* Home Page Stats */
.stats-card {
    text-align: center;
    padding: 1.5rem 1rem;
}

.stats-card .icon {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #007bff;
}

.stats-card .count {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stats-card .label {
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #6c757d;
}

/* Admin Panel Styles */
.stats-box {
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
    margin-bottom: 1.5rem;
}

.stats-box.primary {
    background-color: rgba(0, 123, 255, 0.1);
    color: #007bff;
}

.stats-box.success {
    background-color: rgba(40, 167, 69, 0.1);
    color: #28a745;
}

.stats-box.warning {
    background-color: rgba(255, 193, 7, 0.1);
    color: #ffc107;
}

.stats-box.danger {
    background-color: rgba(220, 53, 69, 0.1);
    color: #dc3545;
}

.stats-box .count {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stats-box .label {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.stats-box .icon {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.user-table th, .user-table td {
    vertical-align: middle;
}

.user-table .status-badge {
    width: 85px;
}

/* Project Details Page */
.project-details .badge {
    font-size: 0.875rem;
    padding: 0.4em 0.8em;
}

.project-details dt {
    font-weight: 600;
    color: #343a40;
}

.project-details dd {
    margin-bottom: 1rem;
}

.students-list {
    list-style-type: none;
    padding-left: 0;
}

.students-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.students-list li:last-child {
    border-bottom: none;
}

/* Form Styles */
.form-group label {
    font-weight: 500;
    color: #343a40;
}

.invalid-feedback {
    font-size: 80%;
}

/* Helper Classes */
.text-with-icon {
    display: flex;
    align-items: center;
}

.text-with-icon i {
    margin-right: 0.5rem;
}

/* Project Management */
.project-form {
    background-color: white;
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.dynamic-fields-container .form-group {
    position: relative;
    padding-right: 50px;
}

.dynamic-fields-container .remove-field {
    position: absolute;
    right: 15px;
    top: 32px;
}

.recent-projects-table tr {
    transition: background-color 0.2s ease;
}

.recent-projects-table tr:hover {
    background-color: rgba(0, 123, 255, 0.05);
}

/* My Projects Page */
.my-projects-header {
    background-color: #f8f9fa;
    padding: 2rem 0;
    margin-bottom: 2rem;
    border-radius: 8px;
}

.my-projects-header h1 {
    margin-bottom: 1rem;
}

/* Student Projects Page */
.student-info-card {
    background-color: rgba(0, 123, 255, 0.05);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.student-info-card h4 {
    margin-bottom: 1rem;
    color: #007bff;
}

.student-info-card p {
    margin-bottom: 0.5rem;
}

/* Button Hover Effects */
.btn {
    transition: all 0.2s ease;
}

.btn-outline-primary:hover, 
.btn-outline-success:hover, 
.btn-outline-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}