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

:root {
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #0ea5e9;
    --light-color: #f3f4f6;
    --dark-color: #1f2937;
}

html, body {
    font-family: 'Inter', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background-color: #ffffff;
    color: #333;
    margin: 0;
    padding: 0;
    height: 100%;
}

body {
    display: flex;
    flex-direction: column;
}

#app {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--dark-color);
}

h1 {
    font-size: 2.5rem;
}

/* Links */
a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--secondary-color);
}

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

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

.btn-primary:hover {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.btn-outline-light:hover {
    background-color: white;
    color: var(--primary-color);
}

.btn-secondary {
    background-color: #6c757d;
    border-color: #6c757d;
}

.btn-secondary:hover {
    background-color: #5a6268;
    border-color: #5a6268;
}

/* Cards */
.card {
    border: none;
    border-radius: 0.75rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.card-header {
    border-bottom: 1px solid #e5e7eb;
    font-weight: 600;
}

/* Badge */
.badge {
    padding: 0.4rem 0.8rem;
    border-radius: 0.375rem;
    font-weight: 500;
    font-size: 0.85rem;
}

/* Form Controls */
.form-control, .form-select {
    border-radius: 0.375rem;
    border: 1px solid #d1d5db;
    padding: 0.65rem 0.875rem;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

/* Alert */
.alert {
    border-radius: 0.75rem;
    border: none;
}

.alert-info {
    background-color: #e0f2fe;
    color: #0369a1;
}

.alert-success {
    background-color: #dcfce7;
    color: #166534;
}

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

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

/* Navbar */
.navbar {
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    padding: 1rem 0;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
}

.navbar-dark .navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.8);
    transition: color 0.3s ease;
}

.navbar-dark .navbar-nav .nav-link:hover {
    color: white;
}

/* Footer */
.footer {
    margin-top: auto;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Utilities */
.display-4 {
    font-weight: 700;
}

.lead {
    font-size: 1.15rem;
    line-height: 1.6;
}

.text-muted {
    color: #6b7280 !important;
}

.text-light {
    color: #f3f4f6 !important;
}

.bg-light {
    background-color: #f9fafb !important;
}

/* Syncfusion Grid Customization */
.e-grid {
    font-family: 'Inter', sans-serif;
}

.e-grid .e-gridheader {
    background-color: #f3f4f6;
}

.e-grid .e-headercell {
    background-color: #f3f4f6;
    font-weight: 600;
    color: var(--dark-color);
}

.e-grid .e-row:hover {
    background-color: #f9fafb;
}

.e-grid .e-rowcell {
    padding: 1rem 0.5rem;
}

/* Modal Customization */
.modal-header {
    border-bottom: 1px solid #e5e7eb;
    background-color: #f9fafb;
}

.modal-header .btn-close {
    filter: invert(0.8);
}

.modal-footer {
    border-top: 1px solid #e5e7eb;
}

/* Validation styles */
.validation-message {
    color: #dc3545;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.input-validation-error {
    border-color: #dc3545;
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}

/* Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }

    .display-4 {
        font-size: 2rem;
    }

    .lead {
        font-size: 1rem;
    }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #d1d5db;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #9ca3af;
}