/**
 * ============================================================================
 * FORM ERRORS - DESIGN SYSTEM GALES
 * ============================================================================
 *
 * Estilos para exibição de erros de validação em formulários.
 * Usado em conjunto com BusinessResponse::fieldErrors() e NTI.feature.
 *
 * @version 1.0.0
 * @author Equipe GALES
 * @date 2025-12
 *
 * Componentes:
 * - .input--error: Estado de erro em inputs
 * - .field-error: Mensagem de erro por campo
 * - .drawer__errors: Container de erros genéricos no Drawer
 * - .form-errors: Container de erros genéricos em formulários
 */

/* ==========================================================================
   CAMPO COM ERRO
   ========================================================================== */

/**
 * Estado de erro em campos de formulário
 * Aplica borda vermelha e background sutil
 */
.input--error,
input.input--error,
select.input--error,
textarea.input--error {
    border-color: var(--color-danger, #C90A0A) !important;
    background-color: rgba(201, 10, 10, 0.03);
}

.input--error:focus,
input.input--error:focus,
select.input--error:focus,
textarea.input--error:focus {
    border-color: var(--color-danger, #C90A0A) !important;
    box-shadow: 0 0 0 3px rgba(201, 10, 10, 0.15);
    outline: none;
}

/**
 * Label de campo com erro
 */
.form-group--error .form-label,
.drawer__form-group--error .drawer__form-label {
    color: var(--color-danger, #C90A0A);
}

/* ==========================================================================
   MENSAGEM DE ERRO POR CAMPO
   ========================================================================== */

/**
 * Mensagem de erro exibida abaixo do campo
 */
.field-error {
    display: block;
    font-family: var(--font-family-primary, 'Inter', sans-serif);
    font-size: var(--font-size-p4, 13px);
    font-weight: 400;
    line-height: 1.4;
    color: var(--color-danger, #C90A0A);
    margin-top: var(--spacing-xs, 4px);
    padding-left: 2px;
}

/**
 * Ícone antes da mensagem de erro (opcional)
 */
.field-error::before {
    content: '';
    display: inline-block;
    width: 14px;
    height: 14px;
    margin-right: 4px;
    vertical-align: middle;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23C90A0A'%3E%3Cpath d='M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm1 15h-2v-2h2v2zm0-4h-2V7h2v6z'/%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
}

/**
 * Animação de entrada da mensagem de erro
 */
@keyframes field-error-appear {
    from {
        opacity: 0;
        transform: translateY(-4px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.field-error {
    animation: field-error-appear 0.2s ease-out;
}

/* ==========================================================================
   CONTAINER DE ERROS GENÉRICOS (DRAWER)
   ========================================================================== */

/**
 * Container de erros no topo do Drawer
 * Usado para erros genéricos (não associados a campo específico)
 */
.drawer__errors {
    display: none;
    background-color: rgba(201, 10, 10, 0.08);
    border: 1px solid var(--color-danger, #C90A0A);
    border-radius: var(--border-radius-md, 8px);
    padding: var(--spacing-md, 16px);
    margin-bottom: var(--spacing-lg, 24px);
}

.drawer__errors.is-visible,
.drawer__errors[style*="display: block"] {
    display: block;
}

.drawer__errors ul {
    margin: 0;
    padding: 0 0 0 20px;
    list-style-type: disc;
}

.drawer__errors li {
    font-family: var(--font-family-primary, 'Inter', sans-serif);
    font-size: var(--font-size-p4, 13px);
    color: var(--color-danger, #C90A0A);
    line-height: 1.6;
    margin-bottom: var(--spacing-xs, 4px);
}

.drawer__errors li:last-child {
    margin-bottom: 0;
}

/**
 * Título do container de erros
 */
.drawer__errors-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm, 8px);
    font-family: var(--font-family-primary, 'Inter', sans-serif);
    font-size: var(--font-size-p3, 14px);
    font-weight: 500;
    color: var(--color-danger, #C90A0A);
    margin-bottom: var(--spacing-sm, 8px);
}

.drawer__errors-title .ipe-erro,
.drawer__errors-title .ipe-alerta {
    font-size: 18px;
}

/* ==========================================================================
   CONTAINER DE ERROS GENÉRICOS (FORMULÁRIO PADRÃO)
   ========================================================================== */

/**
 * Container de erros para formulários fora de Drawer
 */
.form-errors {
    display: none;
    background-color: rgba(201, 10, 10, 0.08);
    border: 1px solid var(--color-danger, #C90A0A);
    border-left-width: 4px;
    border-radius: var(--border-radius-sm, 4px);
    padding: var(--spacing-md, 16px);
    margin-bottom: var(--spacing-lg, 24px);
}

.form-errors.is-visible {
    display: block;
}

.form-errors__title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm, 8px);
    font-family: var(--font-family-primary, 'Inter', sans-serif);
    font-size: var(--font-size-p3, 14px);
    font-weight: 600;
    color: var(--color-danger, #C90A0A);
    margin-bottom: var(--spacing-sm, 8px);
}

.form-errors__list {
    margin: 0;
    padding: 0 0 0 20px;
    list-style-type: disc;
}

.form-errors__item {
    font-family: var(--font-family-primary, 'Inter', sans-serif);
    font-size: var(--font-size-p4, 13px);
    color: var(--color-text-secondary, #4A5568);
    line-height: 1.6;
    margin-bottom: var(--spacing-xs, 4px);
}

.form-errors__item:last-child {
    margin-bottom: 0;
}

/* ==========================================================================
   LOADING STATES
   ========================================================================== */

/**
 * Botão com loading
 */
.btn--loading {
    position: relative;
    color: transparent !important;
    pointer-events: none;
}

.btn--loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 16px;
    margin-top: -8px;
    margin-left: -8px;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: btn-spinner 0.6s linear infinite;
}

.btn--loading.btn-primary::after {
    border-color: rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
}

.btn--loading.btn-outline::after {
    border-color: rgba(0, 0, 0, 0.2);
    border-top-color: var(--color-primary, #2563EB);
}

@keyframes btn-spinner {
    to {
        transform: rotate(360deg);
    }
}

/**
 * Spinner de loading para botões
 */
.btn-spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: btn-spinner 0.6s linear infinite;
    vertical-align: middle;
    margin-right: var(--spacing-xs, 4px);
}

/* ==========================================================================
   CURSOR DE LOADING GLOBAL
   ========================================================================== */

/**
 * Cursor de espera durante operações
 */
body.loading {
    cursor: wait !important;
}

body.loading * {
    cursor: wait !important;
}

/* ==========================================================================
   DRAWER LOADING OVERLAY
   ========================================================================== */

/**
 * Overlay de loading no Drawer
 */
.drawer--loading .drawer__body {
    position: relative;
    pointer-events: none;
    opacity: 0.6;
}

.drawer--loading .drawer__body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.7);
    z-index: 10;
}

/**
 * Spinner de loading no Drawer
 */
.drawer__loading-spinner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    border: 4px solid var(--color-border-light, #E2E8F0);
    border-top-color: var(--color-primary, #2563EB);
    border-radius: 50%;
    animation: drawer-spinner 0.8s linear infinite;
    z-index: 11;
}

@keyframes drawer-spinner {
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

/* ==========================================================================
   SKELETON LOADING
   ========================================================================== */

/**
 * Skeleton para campos de formulário durante carregamento
 */
.skeleton-field {
    background: linear-gradient(
        90deg,
        var(--color-bg-secondary, #F7FAFC) 25%,
        var(--color-bg-tertiary, #EDF2F7) 50%,
        var(--color-bg-secondary, #F7FAFC) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.5s ease-in-out infinite;
    border-radius: var(--border-radius-sm, 4px);
}

.skeleton-field--label {
    height: 14px;
    width: 120px;
    margin-bottom: 8px;
}

.skeleton-field--input {
    height: 40px;
    width: 100%;
}

@keyframes skeleton-shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

/* ==========================================================================
   ACESSIBILIDADE
   ========================================================================== */

/**
 * Reduz motion para usuários com preferência
 */
@media (prefers-reduced-motion: reduce) {
    .field-error,
    .btn--loading::after,
    .btn-spinner,
    .drawer__loading-spinner,
    .skeleton-field {
        animation: none;
    }

    .skeleton-field {
        background: var(--color-bg-secondary, #F7FAFC);
    }
}

/**
 * High contrast mode
 */
@media (prefers-contrast: high) {
    .input--error {
        border-width: 2px;
    }

    .field-error {
        font-weight: 500;
    }

    .drawer__errors,
    .form-errors {
        border-width: 2px;
    }
}