/* Custom app styles */
html, body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
}

.btn {
    transition: all 0.2s ease-in-out;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.card {
    transition: all 0.2s ease-in-out;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.card:hover {
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.table {
    border-radius: 0.5rem;
    overflow: hidden;
}

.table thead th {
    background-color: #f8f9fa;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.5px;
}

.spinner-border {
    width: 1.5rem;
    height: 1.5rem;
}

/* Custom utility classes */
.shadow-sm {
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075) !important;
}

.shadow {
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15) !important;
}

.rounded {
    border-radius: 0.25rem !important;
}

.rounded-lg {
    border-radius: 0.5rem !important;
}

/* Loading states */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Form styles */
.form-control {
    border-radius: 0.375rem;
    border: 1px solid #ced4da;
    padding: 0.5rem 0.75rem;
    font-size: 1rem;
    line-height: 1.5;
    color: #495057;
    background-color: #fff;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control:focus {
    color: #495057;
    background-color: #fff;
    border-color: #80bdff;
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.form-label {
    margin-bottom: 0.5rem;
    font-weight: 500;
}

/* Modal styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1055;
    width: 100%;
    height: 100%;
    overflow-x: hidden;
    overflow-y: auto;
    outline: 0;
}

.modal-dialog {
    position: relative;
    width: auto;
    margin: 0.5rem;
    pointer-events: none;
}

.modal-content {
    position: relative;
    display: flex;
    flex-direction: column;
    width: 100%;
    pointer-events: auto;
    background-color: #fff;
    background-clip: padding-box;
    border: 1px solid rgba(0,0,0,.2);
    border-radius: 0.3rem;
    outline: 0;
}

.modal-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding: 1rem 1rem;
    border-bottom: 1px solid #dee2e6;
    border-top-left-radius: calc(0.3rem - 1px);
    border-top-right-radius: calc(0.3rem - 1px);
}

.modal-body {
    position: relative;
    flex: 1 1 auto;
    padding: 1rem;
}

.modal-footer {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    padding: 0.75rem;
    border-top: 1px solid #dee2e6;
    border-bottom-right-radius: calc(0.3rem - 1px);
    border-bottom-left-radius: calc(0.3rem - 1px);
}

.btn-close {
    box-sizing: content-box;
    width: 1em;
    height: 1em;
    padding: 0.25em 0.25em;
    color: #000;
    background: transparent url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23000'%3e%3cpath d='m.5 3.5 6 6 6-6-1.5-1.5L6.5 7.5 1.5 2.5z'/%3e%3c/svg%3e") center/1em auto no-repeat;
    border: 0;
    border-radius: 0.25rem;
    opacity: 0.5;
}

.btn-close:hover {
    color: #000;
    text-decoration: none;
    opacity: 0.75;
}

.btn-close:focus {
    outline: 0;
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
    opacity: 1;
}

.btn-close:disabled,
.btn-close.disabled {
    pointer-events: none;
    user-select: none;
    opacity: 0.25;
}

/* Alert styles */
.alert {
    position: relative;
    padding: 0.75rem 1.25rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
    border-radius: 0.25rem;
}

.alert-danger {
    color: #721c24;
    background-color: #f8d7da;
    border-color: #f5c6cb;
}

.alert-success {
    color: #155724;
    background-color: #d4edda;
    border-color: #c3e6cb;
}

/* Selected row styles for MudTable */
.selected-row {
    background-color: #1976d2 !important;
    color: white !important;
}

.selected-row td {
    background-color: #1976d2 !important;
    color: white !important;
}

/* Responsive utilities */
@media (min-width: 576px) {
    .modal-dialog {
        max-width: 500px;
        margin: 1.75rem auto;
    }
}

@media (min-width: 992px) {
    .modal-dialog {
        max-width: 800px;
    }
}