/* ═══════════════════════════════════════════════════════════════════
   FORMS — sistema compartilhado para páginas de cadastro/edição.
   Funciona sem classes nos widgets Django: usa descendant selectors
   dentro de .ia-form-field. Coerente com a paleta de tokens (dark/light).
   Extraído de base.css na Sessão 5.
   ═══════════════════════════════════════════════════════════════════ */

.ia-form-page {
    max-width: 1120px;
    margin: 0 auto;
    padding: 28px 24px 56px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* O <form> é filho do .ia-form-page e agrupa as sections + actions.
   Precisa de flex-column com gap pra espaçar os .ia-form-section entre si. */
.ia-form-page form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.ia-form-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border-color);
}

.ia-form-crumb {
    color: var(--text-secondary);
    font-size: .82rem;
    margin-bottom: 6px;
    letter-spacing: 0.01em;
}
.ia-form-crumb a {
    color: var(--accent);
    text-decoration: none;
}
.ia-form-crumb a:hover {
    text-decoration: underline;
}

.ia-form-title {
    font-family: var(--font-heading);
    font-size: 1.65rem;
    font-weight: 600;
    line-height: 1.15;
    margin: 0;
    color: var(--text-primary);
    letter-spacing: -0.015em;
}

.ia-form-errors {
    padding: 14px 16px;
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.22);
    border-left: 3px solid var(--color-red);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: .9rem;
}
.ia-form-errors strong {
    color: var(--color-red);
}
.ia-form-errors ul {
    margin: 6px 0 0 18px;
    padding: 0;
}

.ia-form-section {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 20px 22px 22px;
}

.ia-form-section-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0 0 18px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.ia-form-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px 18px;
}
@media (max-width: 900px) {
    .ia-form-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
    .ia-form-grid { grid-template-columns: 1fr; }
}

.ia-form-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 0;
}
.ia-form-field--wide-2 { grid-column: span 2; }
.ia-form-field--wide-3 { grid-column: span 3; }
@media (max-width: 900px) {
    .ia-form-field--wide-3 { grid-column: span 2; }
}
@media (max-width: 600px) {
    .ia-form-field--wide-2,
    .ia-form-field--wide-3 { grid-column: span 1; }
}

.ia-form-field--inline {
    flex-direction: row;
    align-items: center;
    gap: 10px;
    padding-top: 24px;
}
.ia-form-field--inline label {
    margin: 0;
    cursor: pointer;
    text-transform: none;
    font-size: .88rem;
    color: var(--text-primary);
    letter-spacing: 0;
}

.ia-form-label {
    font-size: .72rem;
    color: var(--text-secondary);
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    line-height: 1.3;
}
.ia-form-label .req {
    color: var(--color-red);
    margin-left: 2px;
    font-weight: 700;
}

/* Widgets Django dentro de .ia-form-field recebem estilo sem precisar de classe.
   :where() mantém especificidade baixa e :not() exclui checkboxes/radios. */
.ia-form-field input:where(
    [type="text"], [type="email"], [type="number"], [type="date"],
    [type="tel"], [type="password"], [type="url"], [type="search"],
    [type="time"], [type="datetime-local"], [type="month"], [type="week"]
),
.ia-form-field input:not([type]),
.ia-form-field select,
.ia-form-field textarea {
    padding: 9px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-elevated);
    color: var(--text-primary);
    font-size: .92rem;
    font-family: inherit;
    line-height: 1.3;
    width: 100%;
    box-sizing: border-box;
    transition: border-color .15s, box-shadow .15s, background .15s;
}

.ia-form-field textarea {
    resize: vertical;
    min-height: 84px;
    line-height: 1.5;
}

/* Seta customizada no <select> (herda cor dos tokens) */
.ia-form-field select {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3e%3cpath fill='none' stroke='%238B949E' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round' d='M3 4.5 6 7.5 9 4.5'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 32px;
}
[data-theme="light"] .ia-form-field select {
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3e%3cpath fill='none' stroke='%236B7B9A' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round' d='M3 4.5 6 7.5 9 4.5'/%3e%3c/svg%3e");
}

.ia-form-field input:hover:not(:focus):not(:disabled),
.ia-form-field select:hover:not(:focus):not(:disabled),
.ia-form-field textarea:hover:not(:focus):not(:disabled) {
    border-color: var(--text-secondary);
}

.ia-form-field input:focus,
.ia-form-field select:focus,
.ia-form-field textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.ia-form-field input::placeholder,
.ia-form-field textarea::placeholder {
    color: var(--text-secondary);
    opacity: 0.55;
}

.ia-form-field input:disabled,
.ia-form-field select:disabled,
.ia-form-field textarea:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

/* Checkbox / radio compactos com cor do tema */
.ia-form-field input[type="checkbox"],
.ia-form-field input[type="radio"] {
    width: 16px;
    height: 16px;
    accent-color: var(--accent);
    cursor: pointer;
    flex-shrink: 0;
}

/* Input file: o seletor :where() acima não cobre [type="file"] (browser
   renderiza dois sub-elementos: o botão "Escolher arquivo" e o texto do
   nome do arquivo). Estilizamos o container + ::file-selector-button para
   alinhar com .ia-btn / .ia-btn--ghost sem mexer nos templates. */
.ia-form-field input[type="file"] {
    padding: 0;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-elevated);
    color: var(--text-primary);
    font-size: .92rem;
    font-family: inherit;
    line-height: 1.3;
    width: 100%;
    box-sizing: border-box;
    cursor: pointer;
    transition: border-color .15s, box-shadow .15s, background .15s;
}
.ia-form-field input[type="file"]::file-selector-button {
    padding: 9px 14px;
    margin-right: 12px;
    border: 0;
    border-right: 1px solid var(--border-color);
    background: var(--bg-surface);
    color: var(--text-primary);
    font-size: .88rem;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: background .15s, color .15s;
}
.ia-form-field input[type="file"]::file-selector-button:hover {
    background: var(--bg-elevated);
}
.ia-form-field input[type="file"]:hover:not(:focus):not(:disabled) {
    border-color: var(--text-secondary);
}
.ia-form-field input[type="file"]:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}
.ia-form-field input[type="file"]:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

/* Input solto fora de .ia-form-field (barras de ação, filtros inline).
   Mesmo visual dos inputs em form-field; usar quando não cabe label+grid. */
input.ia-input,
select.ia-input,
textarea.ia-input {
    padding: 9px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-elevated);
    color: var(--text-primary);
    font-size: .92rem;
    font-family: inherit;
    line-height: 1.3;
    box-sizing: border-box;
    transition: border-color .15s, box-shadow .15s, background .15s;
}
input.ia-input::placeholder,
textarea.ia-input::placeholder {
    color: var(--text-secondary);
    opacity: 0.55;
}
input.ia-input:hover:not(:focus):not(:disabled),
select.ia-input:hover:not(:focus):not(:disabled),
textarea.ia-input:hover:not(:focus):not(:disabled) {
    border-color: var(--text-secondary);
}
input.ia-input:focus,
select.ia-input:focus,
textarea.ia-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

/* Estado inválido — via :has() (sem JS) e :user-invalid (browser-native) */
.ia-form-field:has(.ia-form-error) input:not([type="checkbox"]):not([type="radio"]),
.ia-form-field:has(.ia-form-error) select,
.ia-form-field:has(.ia-form-error) textarea,
.ia-form-field input:user-invalid:not([type="checkbox"]):not([type="radio"]),
.ia-form-field select:user-invalid,
.ia-form-field textarea:user-invalid {
    border-color: var(--color-red);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.18);
}
.ia-form-field:has(.ia-form-error) input:focus,
.ia-form-field:has(.ia-form-error) select:focus,
.ia-form-field:has(.ia-form-error) textarea:focus,
.ia-form-field input:user-invalid:focus,
.ia-form-field select:user-invalid:focus,
.ia-form-field textarea:user-invalid:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.3);
}

.ia-form-hint {
    font-size: .76rem;
    color: var(--text-secondary);
    line-height: 1.4;
}
.ia-form-error {
    font-size: .78rem;
    color: var(--color-red);
    line-height: 1.3;
}

.ia-form-actions {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 10px;
    padding: 4px 0;
}

.ia-form-inline {
    display: inline;
}