/**
 * NETZERO - Estilos de UX para Formulários
 * =========================================
 */

/* =========================================================================
   VARIÁVEIS CSS
   ========================================================================= */
/* Variables now inherited from design-tokens.css.
   Legacy aliases kept for backward compatibility with existing selectors. */
:root {
    --nz-primary:       var(--nz-primary-500, #10b981);
    --nz-primary-dark:  var(--nz-primary-600, #059669);
    --nz-primary-light: var(--nz-primary-100, #d1fae5);
    --nz-danger:        var(--nz-danger, #ef4444);
    --nz-danger-light:  var(--nz-danger-light, #fee2e2);
    --nz-warning:       var(--nz-warning, #f59e0b);
    --nz-warning-light: var(--nz-warning-light, #fef3c7);
    --nz-info:          var(--nz-info, #3b82f6);
    --nz-info-light:    var(--nz-info-light, #dbeafe);
    --nz-success:       var(--nz-success, #22c55e);
    --nz-success-light: var(--nz-success-light, #dcfce7);
    --nz-gray-100:      var(--nz-gray-100, #f3f4f6);
    --nz-gray-200:      var(--nz-gray-200, #e5e7eb);
    --nz-gray-300:      var(--nz-gray-300, #d1d5db);
    --nz-gray-500:      var(--nz-gray-500, #6b7280);
    --nz-gray-700:      var(--nz-gray-700, #374151);
    --nz-gray-900:      var(--nz-gray-900, #111827);
    --nz-transition:    var(--nz-transition, 0.2s ease-in-out);
    --nz-shadow:        var(--nz-shadow, 0 1px 3px rgba(0, 0, 0, 0.1));
    --nz-shadow-lg:     var(--nz-shadow-lg, 0 4px 6px rgba(0, 0, 0, 0.1));
}

/* =========================================================================
   FORMULÁRIOS - ESTILOS BASE
   ========================================================================= */

/* Labels */
.form-label {
    font-weight: 600;
    color: var(--nz-gray-700);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

/* Indicador de campo obrigatório */
.required-indicator {
    color: var(--nz-danger);
    font-weight: bold;
}

.required-field::after {
    content: ' *';
    color: var(--nz-danger);
    font-weight: bold;
}

/* =========================================================================
   INPUTS - ESTADOS
   ========================================================================= */

/* Estado padrão */
.form-control {
    border: 2px solid var(--nz-gray-300);
    border-radius: 8px;
    padding: 0.625rem 0.875rem;
    font-size: 0.95rem;
    transition: all var(--nz-transition);
    background-color: #fff;
}

.form-control:hover {
    border-color: var(--nz-primary);
}

.form-control:focus {
    border-color: var(--nz-primary);
    box-shadow: 0 0 0 3px var(--nz-primary-light);
    outline: none;
}

/* Estado de erro */
.form-control.is-invalid {
    border-color: var(--nz-danger);
    background-image: none;
}

.form-control.is-invalid:focus {
    border-color: var(--nz-danger);
    box-shadow: 0 0 0 3px var(--nz-danger-light);
}

/* Estado de sucesso */
.form-control.is-valid {
    border-color: var(--nz-success);
    background-image: none;
}

.form-control.is-valid:focus {
    border-color: var(--nz-success);
    box-shadow: 0 0 0 3px var(--nz-success-light);
}

/* Estado de loading */
.form-control.is-loading {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2310b981' stroke-width='2'%3E%3Ccircle cx='12' cy='12' r='10' stroke-dasharray='31.4159' stroke-dashoffset='10'%3E%3CanimateTransform attributeName='transform' type='rotate' dur='1s' from='0 12 12' to='360 12 12' repeatCount='indefinite'/%3E%3C/circle%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 20px;
    padding-right: 40px;
}

/* =========================================================================
   FEEDBACK DE VALIDAÇÃO
   ========================================================================= */

.invalid-feedback,
.valid-feedback {
    font-size: 0.85rem;
    margin-top: 0.375rem;
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.invalid-feedback {
    color: var(--nz-danger);
}

.valid-feedback {
    color: var(--nz-success);
}

/* Caixa de erro destacada */
.error-box {
    background-color: var(--nz-danger-light);
    border: 1px solid var(--nz-danger);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1.5rem;
}

.error-box h5 {
    color: var(--nz-danger);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.error-box ul {
    margin-bottom: 0;
    padding-left: 1.25rem;
}

.error-box li {
    color: var(--nz-gray-700);
}

/* =========================================================================
   AGRUPAMENTO DE CAMPOS
   ========================================================================= */

.field-group {
    background-color: var(--nz-gray-100);
    border: 1px solid var(--nz-gray-200);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    transition: box-shadow var(--nz-transition);
}

.field-group:hover {
    box-shadow: var(--nz-shadow);
}

.field-group h6 {
    color: var(--nz-gray-700);
    margin-bottom: 1rem;
    font-weight: 700;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--nz-primary);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.field-group h6 i {
    color: var(--nz-primary);
}

/* =========================================================================
   TOOLTIPS E ÍCONES DE AJUDA
   ========================================================================= */

.help-icon {
    cursor: help;
    opacity: 0.7;
    transition: opacity var(--nz-transition);
}

.help-icon:hover {
    opacity: 1;
}

.help-icon i {
    font-size: 0.9rem;
}

/* Texto de ajuda abaixo do campo */
.form-text {
    font-size: 0.8rem;
    color: var(--nz-gray-500);
    margin-top: 0.375rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.form-text i {
    font-size: 0.75rem;
}

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

.btn {
    font-weight: 600;
    border-radius: 8px;
    padding: 0.625rem 1.25rem;
    transition: all var(--nz-transition);
}

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

.btn-primary:hover {
    background-color: var(--nz-primary-dark);
    border-color: var(--nz-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--nz-shadow-lg);
}

.btn-secondary {
    background-color: var(--nz-gray-500);
    border-color: var(--nz-gray-500);
}

.btn-secondary:hover {
    background-color: var(--nz-gray-700);
    border-color: var(--nz-gray-700);
}

/* Botão de loading */
.btn.is-loading {
    position: relative;
    color: transparent !important;
}

.btn.is-loading::after {
    content: '';
    position: absolute;
    width: 1rem;
    height: 1rem;
    top: 50%;
    left: 50%;
    margin-left: -0.5rem;
    margin-top: -0.5rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* =========================================================================
   ODS - OBJETIVOS DE DESENVOLVIMENTO SUSTENTÁVEL
   ========================================================================= */

.ods-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.25rem 0.625rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-left: 0.5rem;
}

/* ODS 3 - Saúde e Bem-estar */
.ods-3 {
    background-color: #4c9f38;
    color: white;
}

/* ODS 6 - Água Potável e Saneamento */
.ods-6 {
    background-color: #26bde2;
    color: white;
}

/* ODS 7 - Energia Limpa e Acessível */
.ods-7 {
    background-color: #fcc30b;
    color: #333;
}

/* ODS 8 - Trabalho Decente e Crescimento Econômico */
.ods-8 {
    background-color: #a21942;
    color: white;
}

/* ODS 11 - Cidades e Comunidades Sustentáveis */
.ods-11 {
    background-color: #fd9d24;
    color: white;
}

/* ODS 12 - Consumo e Produção Responsáveis */
.ods-12 {
    background-color: #bf8b2e;
    color: white;
}

/* ODS 13 - Ação Contra a Mudança Global do Clima */
.ods-13 {
    background-color: #3f7e44;
    color: white;
}

/* ODS 15 - Vida Terrestre */
.ods-15 {
    background-color: #56c02b;
    color: white;
}

/* =========================================================================
   DATE PICKER - FLATPICKR CUSTOMIZADO
   ========================================================================= */

.flatpickr-calendar {
    border-radius: 12px;
    box-shadow: var(--nz-shadow-lg);
    border: 1px solid var(--nz-gray-200);
}

.flatpickr-day.selected {
    background-color: var(--nz-primary);
    border-color: var(--nz-primary);
}

.flatpickr-day.today {
    border-color: var(--nz-primary);
}

.flatpickr-day:hover {
    background-color: var(--nz-primary-light);
}

/* =========================================================================
   SELECTS ESTILIZADOS
   ========================================================================= */

.form-select {
    border: 2px solid var(--nz-gray-300);
    border-radius: 8px;
    padding: 0.625rem 2.5rem 0.625rem 0.875rem;
    background-position: right 0.75rem center;
    transition: all var(--nz-transition);
}

.form-select:focus {
    border-color: var(--nz-primary);
    box-shadow: 0 0 0 3px var(--nz-primary-light);
}

/* =========================================================================
   CHECKBOXES E SWITCHES
   ========================================================================= */

.form-check-input {
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid var(--nz-gray-300);
    border-radius: 4px;
    transition: all var(--nz-transition);
}

.form-check-input:checked {
    background-color: var(--nz-primary);
    border-color: var(--nz-primary);
}

.form-check-input:focus {
    box-shadow: 0 0 0 3px var(--nz-primary-light);
}

/* Switch */
.form-switch .form-check-input {
    width: 2.5rem;
    height: 1.25rem;
    border-radius: 1.25rem;
}

/* =========================================================================
   MENSAGENS DE ALERTA MELHORADAS
   ========================================================================= */

.alert {
    border-radius: 12px;
    border: none;
    padding: 1rem 1.25rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.alert-success {
    background-color: var(--nz-success-light);
    color: #166534;
}

.alert-danger {
    background-color: var(--nz-danger-light);
    color: #991b1b;
}

.alert-warning {
    background-color: var(--nz-warning-light);
    color: #92400e;
}

.alert-info {
    background-color: var(--nz-info-light);
    color: #1e40af;
}

.alert i {
    font-size: 1.25rem;
    margin-top: 0.125rem;
}

/* =========================================================================
   ANIMAÇÕES
   ========================================================================= */

/* Shake para erros */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

.shake {
    animation: shake 0.5s ease-in-out;
}

/* Fade in para feedback */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-5px); }
    to { opacity: 1; transform: translateY(0); }
}

.invalid-feedback,
.valid-feedback {
    animation: fadeIn 0.2s ease-out;
}

/* =========================================================================
   RESPONSIVIDADE
   ========================================================================= */

@media (max-width: 768px) {
    .field-group {
        padding: 1rem;
    }

    .form-control {
        font-size: 16px; /* Previne zoom no iOS */
    }

    .btn {
        width: 100%;
        margin-bottom: 0.5rem;
    }

    .d-flex.justify-content-between {
        flex-direction: column-reverse;
    }
}

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

/* Focus visível para navegação por teclado */
.form-control:focus-visible,
.btn:focus-visible,
.form-check-input:focus-visible {
    outline: 2px solid var(--nz-primary);
    outline-offset: 2px;
}

/* Skip link para acessibilidade */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--nz-primary);
    color: white;
    padding: 8px;
    z-index: 100;
}

.skip-link:focus {
    top: 0;
}

/* =========================================================================
   PLACEHOLDERS ESTILIZADOS
   ========================================================================= */

.form-control::placeholder {
    color: var(--nz-gray-500);
    opacity: 0.7;
}

/* =========================================================================
   CONTENT BOX
   ========================================================================= */

.content-box {
    background-color: #fff;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--nz-shadow);
    margin-bottom: 2rem;
}

/* =========================================================================
   BOTÕES DE AÇÃO - STICKY PARA FORMULÁRIOS LONGOS
   ========================================================================= */

.form-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 0;
    margin-top: 2rem;
    border-top: 2px solid var(--nz-gray-200);
}

/* Sticky footer para formulários longos */
.form-actions-sticky {
    position: sticky;
    bottom: 0;
    background: linear-gradient(to top, white 85%, transparent);
    padding: 1.5rem 0 1rem 0;
    margin-top: 2rem;
    z-index: 100;
}

.form-actions-sticky::before {
    content: '';
    position: absolute;
    top: 0;
    left: -2rem;
    right: -2rem;
    height: 100%;
    background: inherit;
    z-index: -1;
}

/* =========================================================================
   FIELD-GROUPS - MELHORIAS VISUAIS
   ========================================================================= */

/* Numeração automática de seções */
.form-numbered .field-group {
    counter-increment: section;
    position: relative;
}

.form-numbered .field-group h6::before {
    content: counter(section) ".";
    margin-right: 0.5rem;
    color: var(--nz-primary);
    font-weight: 700;
}

/* Field group com indicador de foco */
.field-group:focus-within {
    border-color: var(--nz-primary);
    box-shadow: 0 0 0 3px var(--nz-primary-light);
}

/* Field group destacado (seção ativa) */
.field-group.active {
    border-color: var(--nz-primary);
    border-width: 2px;
}

.field-group.active h6 {
    color: var(--nz-primary);
}

/* Separador visual entre field-groups */
.field-group + .field-group {
    margin-top: 2rem;
}

/* =========================================================================
   BARRA DE PROGRESSO DO FORMULÁRIO
   ========================================================================= */

.form-progress {
    position: sticky;
    top: 0;
    background: white;
    padding: 0.75rem 0;
    margin-bottom: 1.5rem;
    z-index: 90;
    border-bottom: 1px solid var(--nz-gray-200);
}

.form-progress .progress {
    height: 6px;
    border-radius: 3px;
    background-color: var(--nz-gray-200);
    overflow: hidden;
}

.form-progress .progress-bar {
    background: linear-gradient(90deg, var(--nz-primary), var(--nz-primary-dark));
    transition: width 0.3s ease;
}

.form-progress-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: var(--nz-gray-500);
    margin-top: 0.5rem;
}

.form-progress-info .current-section {
    font-weight: 600;
    color: var(--nz-gray-700);
}

/* =========================================================================
   ORDENAÇÃO VISUAL DE CAMPOS
   ========================================================================= */

/* Campos prioritários (primeiro do grupo) */
.field-priority-high .form-label {
    font-size: 1rem;
}

/* Campos secundários */
.field-priority-low {
    opacity: 0.85;
}

.field-priority-low:focus-within {
    opacity: 1;
}

/* Separador de campos dentro do group */
.field-separator {
    border-top: 1px dashed var(--nz-gray-300);
    margin: 1rem 0;
    padding-top: 1rem;
}

/* =========================================================================
   RESPONSIVIDADE - MOBILE MELHORADO
   ========================================================================= */

@media (max-width: 576px) {
    /* Botões com mais espaçamento */
    .form-actions,
    .d-flex.justify-content-between {
        flex-direction: column-reverse;
        gap: 0.75rem;
    }

    .form-actions .btn,
    .d-flex.justify-content-between .btn {
        width: 100%;
        padding: 0.875rem 1.25rem;
        font-size: 1rem;
    }

    /* Botão salvar mais destacado em mobile */
    .form-actions .btn-primary,
    .d-flex.justify-content-between .btn-primary {
        order: -1;
    }

    /* Field groups mais compactos */
    .field-group {
        padding: 1rem;
        margin-bottom: 1rem;
    }

    .field-group h6 {
        font-size: 0.9rem;
    }

    /* Progress bar mais fina */
    .form-progress .progress {
        height: 4px;
    }
}

/* =========================================================================
   INDICADORES VISUAIS DE ESTADO
   ========================================================================= */

/* Campo preenchido */
.form-control.has-value {
    border-color: var(--nz-gray-500);
}

/* Contador de caracteres */
.char-counter {
    font-size: 0.75rem;
    color: var(--nz-gray-500);
    text-align: right;
    margin-top: 0.25rem;
}

.char-counter.near-limit {
    color: var(--nz-warning);
}

.char-counter.at-limit {
    color: var(--nz-danger);
    font-weight: 600;
}

/* =========================================================================
   TOOLTIPS MELHORADOS
   ========================================================================= */

.field-tooltip {
    position: relative;
    display: inline-flex;
    align-items: center;
    margin-left: 0.375rem;
}

.field-tooltip .tooltip-icon {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--nz-gray-300);
    color: var(--nz-gray-700);
    font-size: 0.65rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: help;
    transition: all var(--nz-transition);
}

.field-tooltip:hover .tooltip-icon {
    background: var(--nz-primary);
    color: white;
}

.field-tooltip .tooltip-content {
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--nz-gray-900);
    color: white;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: normal;
    white-space: nowrap;
    max-width: 250px;
    white-space: normal;
    opacity: 0;
    visibility: hidden;
    transition: all var(--nz-transition);
    z-index: 1000;
}

.field-tooltip .tooltip-content::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: var(--nz-gray-900);
}

.field-tooltip:hover .tooltip-content {
    opacity: 1;
    visibility: visible;
}

/* =========================================================================
   CAMPOS DEPENDENTES (MOSTRAR/OCULTAR)
   ========================================================================= */

.field-dependent {
    transition: all 0.3s ease;
    overflow: hidden;
}

.field-dependent.hidden {
    opacity: 0;
    max-height: 0;
    margin: 0;
    padding: 0;
}

.field-dependent.visible {
    opacity: 1;
    max-height: 500px;
}

/* =========================================================================
   NAVEGAÇÃO POR TABS (FORMULÁRIOS MUITO LONGOS)
   ========================================================================= */

.form-tabs {
    display: flex;
    gap: 0.25rem;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--nz-gray-200);
    overflow-x: auto;
    padding-bottom: 2px;
}

.form-tabs .tab-item {
    padding: 0.75rem 1.25rem;
    border: none;
    background: transparent;
    color: var(--nz-gray-500);
    font-weight: 600;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    white-space: nowrap;
    transition: all var(--nz-transition);
}

.form-tabs .tab-item:hover {
    color: var(--nz-gray-700);
}

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

.form-tabs .tab-item i {
    margin-right: 0.5rem;
}

/* Tab content (scope: .form-tabs apenas — antes era global e quebrava
   o .tab-content do Bootstrap em qualquer página) */
.form-tabs .tab-content {
    display: none;
}

.form-tabs .tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

/* =========================================================================
   CheckboxSelectMultiple / RadioSelect renderizados pelo Django
   Sem essa regra, o <ul>/<div> interno fica block-level e "encavalado"
   em layouts com flex-wrap, ou cada input sai em uma linha separada sem
   alinhamento. Aplica-se quando o desenvolvedor usa {{ form.campo }} direto.
   ========================================================================= */
.form-group ul[id$="_set"],  /* CheckboxSelectMultiple default id */
div[id$="_set"] > div,       /* RadioSelect wrapper */
.checkbox-multiple-group ul,
.checkbox-multiple-group > div,
.checkbox-multiple-group {
    list-style: none;
    padding-left: 0;
    margin-bottom: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 10px 18px;
}
.checkbox-multiple-group ul > li,
.checkbox-multiple-group > div > div,
.checkbox-multiple-group > div {
    margin: 0;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.checkbox-multiple-group label,
.checkbox-multiple-group > div label {
    margin: 0;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    font-size: 0.92rem;
    font-weight: 400;
}
.checkbox-multiple-group input[type="checkbox"],
.checkbox-multiple-group input[type="radio"] {
    margin: 0;
    width: 1em;
    height: 1em;
    flex-shrink: 0;
}