.login-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-field label {
    color: var(--color-text);
    font-size: 13px;
    font-weight: 700;
}

.form-field__label-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.form-field__label-row a,
.login-help a {
    color: var(--color-primary);
    font-size: 12px;
    font-weight: 600;
    text-decoration: none;
}

.form-field__label-row a:hover,
.login-help a:hover {
    text-decoration: underline;
}

.input-shell {
    position: relative;
}

.input-shell input {
    width: 100%;
    height: 52px;
    padding: 0 48px 0 46px;
    color: var(--color-text);
    background: var(--color-surface-muted);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.input-shell input::placeholder {
    color: var(--color-text-faint);
}

.input-shell input:hover {
    border-color: var(--color-border-strong);
}

.input-shell input:focus {
    background: var(--color-surface);
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px var(--color-primary-soft);
}

.input-shell input[aria-invalid="true"] {
    border-color: var(--color-danger);
    box-shadow: 0 0 0 4px var(--color-danger-soft);
}

.input-shell__icon {
    position: absolute;
    top: 50%;
    left: 16px;
    z-index: 1;
    color: var(--color-text-faint);
    font-size: 19px;
    transform: translateY(-50%);
    pointer-events: none;
}

.password-toggle {
    position: absolute;
    top: 50%;
    right: 10px;
    width: 34px;
    height: 34px;
    display: grid;
    place-items: center;
    color: var(--color-text-soft);
    background: transparent;
    border-radius: 8px;
    cursor: pointer;
    transform: translateY(-50%);
    transition: color var(--transition), background var(--transition);
}

.password-toggle:hover {
    color: var(--color-primary);
    background: var(--color-primary-soft);
}

.field-error {
    min-height: 16px;
    color: var(--color-danger);
    font-size: 11px;
    line-height: 1.4;
}

.form-options {
    margin-top: -4px;
}

.checkbox-field {
    width: fit-content;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--color-text-soft);
    font-size: 12px;
    cursor: pointer;
    user-select: none;
}

.checkbox-field input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.checkbox-field__control {
    width: 18px;
    height: 18px;
    flex: 0 0 auto;
    display: grid;
    place-items: center;
    color: transparent;
    background: var(--color-surface);
    border: 1px solid var(--color-border-strong);
    border-radius: 5px;
    transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.checkbox-field input:checked + .checkbox-field__control {
    color: #ffffff;
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.checkbox-field input:focus-visible + .checkbox-field__control {
    outline: 3px solid var(--color-primary-soft);
    outline-offset: 2px;
}

.checkbox-field__control i {
    font-size: 12px;
    font-weight: 700;
}

.submit-button {
    width: 100%;
    min-height: 54px;
    margin-top: 4px;
    padding: 0 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: #ffffff;
    background: linear-gradient(135deg, var(--color-primary), #756dff);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 12px 24px rgba(99, 91, 255, 0.22);
    transition: transform var(--transition), box-shadow var(--transition), filter var(--transition);
}

.submit-button:hover {
    transform: translateY(-1px);
    box-shadow: 0 15px 28px rgba(99, 91, 255, 0.28);
    filter: brightness(1.04);
}

.submit-button:active {
    transform: translateY(0);
}

.submit-button:disabled {
    cursor: wait;
    opacity: 0.76;
    transform: none;
}

.submit-button > i {
    margin-left: auto;
    font-size: 18px;
}

.submit-button__loading {
    display: none;
    align-items: center;
    gap: 9px;
}

.submit-button.is-loading .submit-button__label,
.submit-button.is-loading > i {
    display: none;
}

.submit-button.is-loading .submit-button__loading {
    display: inline-flex;
}

.spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.42);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: spin 700ms linear infinite;
}

.login-help {
    color: var(--color-text-faint);
    font-size: 12px;
    line-height: 1.5;
    text-align: center;
}

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

/* Formularios administrativos (Nova empresa, etc.) - mais compactos que o
   formulario de login, reutilizados nas telas internas do painel. */
.form-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    margin-bottom: 18px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 7px;
    margin-bottom: 18px;
}

.form-row .form-group {
    margin-bottom: 0;
}

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

.form-group label {
    color: var(--color-text);
    font-size: 12px;
    font-weight: 700;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 11px 14px;
    color: var(--color-text);
    background: var(--color-surface-muted);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font: inherit;
    font-size: 13px;
    transition: border-color var(--transition), background var(--transition);
}

.form-group textarea {
    resize: vertical;
    min-height: 90px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    background: var(--color-surface);
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-soft);
}

.form-hint {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin-top: 4px;
    padding: 11px 14px;
    color: var(--color-text-soft);
    background: var(--color-surface-muted);
    border-radius: var(--radius-sm);
    font-size: 12px;
    line-height: 1.5;
}

.form-hint i {
    margin-top: 1px;
    color: var(--color-primary);
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 22px;
    color: #ffffff;
    background: linear-gradient(135deg, var(--color-primary), #756dff);
    border: 0;
    border-radius: var(--radius-md);
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 10px 22px rgba(99, 91, 255, 0.22);
    transition: transform var(--transition), filter var(--transition);
}

.btn-primary:hover {
    transform: translateY(-1px);
    filter: brightness(1.05);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 22px;
    color: var(--color-text);
    background: var(--color-surface-muted);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
}

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

.btn-danger {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 16px;
    color: var(--color-danger);
    background: var(--color-danger-soft);
    border: 0;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
}

.form-success {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    padding: 13px 16px;
    color: var(--color-success);
    background: rgba(3, 152, 85, .1);
    border: 1px solid rgba(3, 152, 85, .22);
    border-radius: var(--radius-md);
    font-size: 13px;
}

body.app-page .form-alert {
    margin-bottom: 20px;
}

@media (max-width: 760px) {
    .form-row { grid-template-columns: 1fr; gap: 0; }
}