/* Custom Styles für die Plattform */

:root {
    --primary-color: #002155;
    --primary-dark: #001533;
    --primary-light: #003377;
    --secondary-color: #269389;
    --secondary-dark: #1d6b63;
    --secondary-light: #3db3a7;
    --accent-color: #269389;
    --success-color: #269389;
    --info-color: #269389;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --light-gray: #c2c2c2;
    --light-gray-dark: #a0a0a0;
    --light-gray-light: #e0e0e0;
    --light-bg: #f8fafc;
    --card-shadow: 0 2px 8px rgba(0, 33, 85, 0.08);
    --card-shadow-hover: 0 4px 16px rgba(0, 33, 85, 0.12);
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: linear-gradient(135deg, #f8fafc 0%, var(--light-gray-light) 100%);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

main {
    flex: 1;
    padding: 2rem 0;
}

/* Navbar */
.navbar-custom {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    padding: 1rem 0;
}

.navbar-custom .navbar-brand {
    font-weight: 600;
    font-size: 1.25rem;
    color: white !important;
    display: flex;
    align-items: center;
}

.navbar-custom .navbar-brand:hover {
    color: #e0e7ff !important;
    transform: translateY(-1px);
    transition: var(--transition);
}

.navbar-custom .nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    border-radius: 8px;
    transition: var(--transition);
    display: flex;
    align-items: center;
}

.navbar-custom .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: white !important;
    transform: translateY(-1px);
}

.navbar-toggler {
    border-color: rgba(255, 255, 255, 0.3);
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.85%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Cards */
.card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    transition: var(--transition);
    overflow: hidden;
    background: white;
}

.card:hover {
    box-shadow: var(--card-shadow-hover);
    transform: translateY(-2px);
}

.card-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    border: none;
    padding: 1.25rem 1.5rem;
    font-weight: 600;
}

/* Buttons */
.btn {
    border-radius: 8px;
    font-weight: 500;
    padding: 0.5rem 1.25rem;
    transition: var(--transition);
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: white;
    box-shadow: 0 2px 8px rgba(0, 33, 85, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 33, 85, 0.4);
    color: white;
}

.btn-success {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-dark) 100%);
    color: white;
    box-shadow: 0 2px 8px rgba(38, 147, 137, 0.3);
}

.btn-success:hover {
    background: linear-gradient(135deg, var(--secondary-dark) 0%, var(--secondary-color) 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(38, 147, 137, 0.4);
    color: white;
}

.btn-outline-primary {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    background: transparent;
}

.btn-outline-primary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 33, 85, 0.3);
}

.btn-outline-secondary {
    border: 2px solid var(--light-gray);
    color: var(--light-gray-dark);
}

.btn-outline-secondary:hover {
    background: var(--light-gray);
    color: white;
    transform: translateY(-2px);
}

.btn-outline-success {
    border: 2px solid var(--success-color);
    color: var(--success-color);
}

.btn-outline-success:hover {
    background: var(--success-color);
    color: white;
    transform: translateY(-2px);
}

.btn-outline-danger {
    border: 2px solid var(--danger-color);
    color: var(--danger-color);
}

.btn-outline-danger:hover {
    background: var(--danger-color);
    color: white;
    transform: translateY(-2px);
}

.btn-outline-info {
    border: 2px solid var(--secondary-color);
    color: var(--secondary-color);
}

.btn-outline-info:hover {
    background: var(--secondary-color);
    color: white;
    transform: translateY(-2px);
}

.btn-warning {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-dark) 100%);
    color: white;
    box-shadow: 0 2px 8px rgba(38, 147, 137, 0.3);
}

.btn-warning:hover {
    background: linear-gradient(135deg, var(--secondary-dark) 0%, var(--secondary-color) 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(38, 147, 137, 0.4);
    color: white;
}

.btn-outline-warning {
    border: 2px solid var(--secondary-color);
    color: var(--secondary-color);
    background: transparent;
}

.btn-outline-warning:hover {
    background: var(--secondary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(38, 147, 137, 0.3);
}

/* Alerts */
.alert {
    border-radius: var(--border-radius);
    border: none;
    box-shadow: var(--card-shadow);
}

.alert-info {
    background: linear-gradient(135deg, #d1f5f0 0%, #b3e8e0 100%);
    color: var(--secondary-dark);
    border-left: 4px solid var(--secondary-color);
}

.alert-success {
    background: linear-gradient(135deg, #d1f5f0 0%, #b3e8e0 100%);
    color: var(--secondary-dark);
    border-left: 4px solid var(--secondary-color);
}

.alert-warning {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    color: #92400e;
    border-left: 4px solid var(--warning-color);
}

.alert-danger {
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    color: #991b1b;
    border-left: 4px solid var(--danger-color);
}

/* Forms */
.form-control, .form-select {
    border-radius: 8px;
    border: 2px solid #e5e7eb;
    padding: 0.625rem 1rem;
    transition: var(--transition);
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 33, 85, 0.1);
}

.form-label {
    font-weight: 600;
    color: #374151;
    margin-bottom: 0.5rem;
}

/* Tables */
.table {
    border-radius: var(--border-radius);
    overflow: hidden;
}

.table thead {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
}

.table thead th {
    border: none;
    font-weight: 600;
    padding: 1rem;
}

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

.table tbody tr:hover {
    background-color: var(--light-gray-light);
    transform: scale(1.01);
}

.table tbody td {
    padding: 1rem;
    vertical-align: middle;
}

/* Footer */
.footer-custom {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: rgba(255, 255, 255, 0.9);
    margin-top: auto;
}

.footer-custom i {
    color: var(--secondary-color);
}

/* Badge */
.badge {
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-weight: 500;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: var(--secondary-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-dark);
}

/* Responsive Anpassungen */
@media (max-width: 768px) {
    .btn-group {
        flex-direction: column;
    }
    
    .btn-group .btn {
        border-radius: 8px !important;
        margin-bottom: 0.5rem;
        width: 100%;
    }
    
    .card-header {
        padding: 1rem;
        font-size: 0.95rem;
    }
    
    .navbar-brand {
        font-size: 1.1rem;
    }
}

/* Loading Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card, .alert {
    animation: fadeIn 0.4s ease-out;
}

/* Icon Styling */
i.bi {
    font-size: 1.1em;
}

/* Bootstrap Color Overrides */
.bg-primary {
    background-color: var(--primary-color) !important;
}

.bg-secondary {
    background-color: var(--secondary-color) !important;
}

.text-primary {
    color: var(--primary-color) !important;
}

.text-secondary {
    color: var(--secondary-color) !important;
}

.text-warning,
.text-info,
.text-success {
    color: var(--secondary-color) !important;
}

.btn-secondary {
    background-color: var(--light-gray);
    color: var(--primary-color);
    border: none;
}

.btn-secondary:hover {
    background-color: var(--light-gray-dark);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.border-primary {
    border-color: var(--primary-color) !important;
}

.border-secondary {
    border-color: var(--secondary-color) !important;
}