/**
 * COMPONENTES REUTILIZÁVEIS
 */

/* ============================================================
   BOTÕES
   ============================================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    border: none;
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    gap: var(--spacing-sm);
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--color-gray-200);
    color: var(--color-gray-800);
}

.btn-secondary:hover {
    background: var(--color-gray-300);
}

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

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

.btn-sm {
    padding: 6px 12px;
    font-size: var(--font-size-xs);
}

.btn-lg {
    padding: 14px 28px;
    font-size: var(--font-size-base);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* ============================================================
   CARDS
   ============================================================ */

.card {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: all var(--transition-normal);
}

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

.card-header {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-gray-200);
    background: var(--color-gray-50);
}

.card-header h3 {
    margin: 0;
    font-size: var(--font-size-base);
}

.card-body {
    padding: var(--spacing-md);
}

.card-footer {
    padding: var(--spacing-md);
    background: var(--color-gray-50);
    border-top: 1px solid var(--color-gray-200);
}

/* ============================================================
   GRID DE CARDS
   ============================================================ */

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

@media (max-width: 768px) {
    .card-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: var(--spacing-md);
    }
}

/* ============================================================
   MODAL
   ============================================================ */

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: var(--z-index-modal-backdrop);
    animation: fadeIn var(--transition-normal);
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    width: 90%;
    max-width: var(--modal-max-width);
    max-height: 90vh;
    overflow-y: auto;
    z-index: var(--z-index-modal);
    animation: slideUp var(--transition-normal);
}

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

.modal-header h2 {
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 28px;
    cursor: pointer;
    color: var(--color-gray-500);
    transition: color var(--transition-normal);
}

.modal-close:hover {
    color: var(--color-gray-800);
}

.modal-body {
    padding: var(--spacing-md);
}

.modal-footer {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
    padding: var(--spacing-md);
    border-top: 1px solid var(--color-gray-200);
    background: var(--color-gray-50);
}

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

@keyframes slideUp {
    from { transform: translateY(50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* ============================================================
   ABAS
   ============================================================ */

.tabs {
    width: 100%;
}

.tab-buttons {
    display: flex;
    border-bottom: 2px solid var(--color-gray-200);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.tab-button {
    background: none;
    border: none;
    padding: var(--spacing-md) 0;
    cursor: pointer;
    color: var(--color-gray-600);
    font-weight: var(--font-weight-medium);
    border-bottom: 2px solid transparent;
    transition: all var(--transition-normal);
    white-space: nowrap;
}

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

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

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn var(--transition-normal);
}

/* ============================================================
   FORMULÁRIOS
   ============================================================ */

.form-group {
    margin-bottom: var(--spacing-md);
}

label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-700);
}

input, select, textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--border-radius-md);
    font-family: var(--font-family-base);
    font-size: var(--font-size-sm);
    transition: border-color var(--transition-normal);
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

textarea {
    resize: vertical;
    min-height: 100px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

/* ============================================================
   ALERTAS
   ============================================================ */

.alert {
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-md);
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.alert-success {
    background: #E8F5E9;
    border-left: 4px solid var(--color-success);
    color: #1B5E20;
}

.alert-warning {
    background: #FFF3E0;
    border-left: 4px solid var(--color-warning);
    color: #E65100;
}

.alert-danger {
    background: #FFEBEE;
    border-left: 4px solid var(--color-error);
    color: #B71C1C;
}

.alert-info {
    background: #E3F2FD;
    border-left: 4px solid var(--color-info);
    color: #0D47A1;
}

/* ============================================================
   BADGES
   ============================================================ */

.badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: var(--border-radius-full);
    font-size: 11px;
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-primary {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.badge-success {
    background: #E8F5E9;
    color: var(--color-success);
}

.badge-warning {
    background: #FFF3E0;
    color: var(--color-warning);
}

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

/* ============================================================
   TABELAS
   ============================================================ */

.table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-lg) 0;
}

.table th {
    background: var(--color-gray-100);
    padding: var(--spacing-md);
    text-align: left;
    font-weight: var(--font-weight-semibold);
    border-bottom: 2px solid var(--color-gray-200);
}

.table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-gray-200);
}

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

/* ============================================================
   PROGRESS BAR
   ============================================================ */

.progress {
    width: 100%;
    height: 8px;
    background: var(--color-gray-200);
    border-radius: var(--border-radius-full);
    overflow: hidden;
    margin: var(--spacing-md) 0;
}

.progress-bar {
    height: 100%;
    background: var(--color-primary);
    transition: width var(--transition-normal);
}

.progress-bar.success {
    background: var(--color-success);
}

.progress-bar.warning {
    background: var(--color-warning);
}

.progress-bar.danger {
    background: var(--color-error);
}