/* ============================================
   COMPONENTS - Buttons, Forms, Tables, Alerts
   ============================================ */

/* Buttons */
.btn-modern {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    cursor: pointer;
    border: none;
    background: white;
    color: var(--gray-700);
    text-decoration: none;
}

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

.btn-primary-modern:hover {
    background: #1e2f4a;
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn-outline-modern {
    border: 1px solid var(--gray-300);
    background: white;
}

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

.btn-danger-modern {
    background: var(--danger-color);
    color: white;
}

.btn-danger-modern:hover {
    background: #a32d2d;
}

.btn-success-modern {
    background: var(--success-color);
    color: white;
}

.btn-success-modern:hover {
    background: #236855;
}

.btn-sm-modern {
    padding: 0.375rem 0.875rem;
    font-size: 0.75rem;
}

.btn-icon {
    padding: 0.5rem;
    border-radius: var(--radius-sm);
}

/* Forms */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--gray-700);
}

.form-control-modern {
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: 0.875rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    background: white;
}

.form-control-modern:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(44, 62, 102, 0.1);
}

.form-control-modern.is-invalid {
    border-color: var(--danger-color);
}

.invalid-feedback {
    color: var(--danger-color);
    font-size: 0.75rem;
    margin-top: 0.375rem;
}

/* Select Dropdown */
select.form-control-modern {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23667085' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.875rem center;
}

/* Tables */
.table-responsive-modern {
    overflow-x: auto;
    border-radius: var(--radius-lg);
}

.table-modern {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.table-modern thead tr {
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
}

.table-modern th {
    text-align: left;
    padding: 0.875rem 1rem;
    font-weight: 600;
    color: var(--gray-600);
}

.table-modern td {
    padding: 0.875rem 1rem;
    border-bottom: 1px solid var(--gray-200);
    color: var(--gray-700);
}

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

.table-modern tbody tr:hover {
    background: var(--gray-50);
}

/* Badges */
.badge-modern {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    font-size: 0.7rem;
    font-weight: 500;
    border-radius: 20px;
}

.badge-success {
    background: #e6f4ea;
    color: var(--success-color);
}

.badge-warning {
    background: #fef3e2;
    color: var(--warning-color);
}

.badge-danger {
    background: #fee2e2;
    color: var(--danger-color);
}

.badge-info {
    background: #e8f0fe;
    color: var(--accent-color);
}

/* Alerts */
.alert-modern {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    border-left: 4px solid;
}

.alert-success-modern {
    background: #e6f4ea;
    border-left-color: var(--success-color);
    color: #1e5a4a;
}

.alert-danger-modern {
    background: #fee2e2;
    border-left-color: var(--danger-color);
    color: #9b2c2c;
}

.alert-warning-modern {
    background: #fef3e2;
    border-left-color: var(--warning-color);
    color: #9b5e1a;
}

/* Pagination */
.pagination-modern {
    display: flex;
    gap: 0.25rem;
    justify-content: center;
    margin-top: 2rem;
}

.pagination-item {
    padding: 0.5rem 0.875rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    color: var(--gray-600);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.pagination-item:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

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

/* Tabs */
.tabs-modern {
    display: flex;
    gap: 0.25rem;
    border-bottom: 1px solid var(--gray-200);
    margin-bottom: 1.5rem;
}

.tab-item {
    padding: 0.75rem 1.25rem;
    font-weight: 500;
    color: var(--gray-600);
    cursor: pointer;
    transition: all var(--transition-fast);
    border-bottom: 2px solid transparent;
}

.tab-item:hover {
    color: var(--primary-color);
}

.tab-item.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 1100;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal-overlay.open {
    opacity: 1;
    visibility: visible;
}

.modal-container {
    background: white;
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 500px;
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

.modal-overlay.open .modal-container {
    transform: scale(1);
}

.modal-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--gray-200);
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}