/**
 * Form Base Styles – überall verfügbar (Plattform, Dashboard, Shop)
 * Nutzt Design Tokens aus main.css
 */

.visually-hidden {
    position: absolute !important;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Auth-Basislayout (Plattform + Merchant + Admin) */
.auth-page {
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-12) 0;
}

.auth-card {
    max-width: 500px;
    width: 100%;
    margin: 0 auto;
}

.auth-form {
    margin-top: var(--spacing-6);
}

.auth-footer {
    text-align: center;
    margin-top: var(--spacing-6);
    color: var(--color-text-secondary);
}

.auth-footer a {
    color: var(--color-primary);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
}

.auth-footer a:hover {
    text-decoration: underline;
}

.form-group {
    margin-bottom: var(--spacing-5);
}

.label {
    display: block;
    font-size: var(--font-size-1);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-2);
}

.input,
.select,
.textarea {
    width: 100%;
    padding: var(--spacing-3) var(--spacing-4);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2);
    font-size: var(--font-size-1);
    font-family: var(--font-text);
    line-height: 1.2;
    color: var(--color-text-primary);
    background: var(--color-surface);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.input,
.select {
    /* Standardize control height across browsers (esp. <select>). */
    min-height: 44px;
}

.input-group {
    display: flex;
    align-items: stretch;
}

.input-group .input {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

.input-addon {
    display: flex;
    align-items: center;
    padding: var(--spacing-3) var(--spacing-4);
    border: 1px solid var(--color-border);
    border-left: 0;
    border-top-right-radius: var(--radius-2);
    border-bottom-right-radius: var(--radius-2);
    background: var(--color-surface);
    color: var(--color-text-muted);
    font-size: var(--font-size-1);
}

button.input-addon {
    cursor: pointer;
}

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

button.input-addon:focus-visible {
    outline: 2px solid rgba(59, 170, 53, 0.35);
    outline-offset: 2px;
}

button.input-addon svg {
    width: 18px;
    height: 18px;
}

.input:focus,
.select:focus,
.textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.input:disabled,
.select:disabled,
.textarea:disabled {
    background: var(--color-surface-alt);
    color: var(--color-text-muted);
    cursor: not-allowed;
    opacity: 0.85;
}

.input:disabled::placeholder,
.textarea:disabled::placeholder {
    color: var(--color-text-muted);
    opacity: 0.7;
}

.password-toggle-field {
    position: relative;
    width: 100%;
}

.password-toggle-input {
    padding-right: 2.9rem;
}

.password-toggle-btn {
    position: absolute;
    top: 50%;
    right: 0.55rem;
    transform: translateY(-50%);
    width: 2rem;
    height: 2rem;
    border: 0;
    border-radius: var(--radius-1);
    background: transparent;
    color: var(--color-text-muted);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    cursor: pointer;
}

.password-toggle-btn:hover {
    color: var(--color-text-primary);
}

.password-toggle-btn:focus-visible {
    outline: 2px solid rgba(59, 170, 53, 0.35);
    outline-offset: 1px;
}

.password-toggle-btn svg {
    width: 1.1rem;
    height: 1.1rem;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.password-toggle-btn .icon-hide {
    display: none;
}

.password-toggle-btn.is-visible .icon-show {
    display: none;
}

.password-toggle-btn.is-visible .icon-hide {
    display: block;
}

.textarea {
    min-height: 120px;
    resize: vertical;
}

.form-hint {
    display: block;
    margin-top: var(--spacing-2);
    font-size: var(--font-size-0);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-muted);
}

.form-error {
    display: block;
    margin-top: var(--spacing-2);
    font-size: var(--font-size-0);
    line-height: var(--line-height-relaxed);
    color: var(--color-error);
    font-weight: var(--font-weight-medium);
}

.input.is-invalid,
.select.is-invalid,
.textarea.is-invalid {
    border-color: var(--color-error);
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.12);
}

.input.is-invalid:focus,
.select.is-invalid:focus,
.textarea.is-invalid:focus {
    border-color: var(--color-error);
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.18);
}

.form-actions {
    display: flex;
    gap: var(--spacing-4);
    margin-top: var(--spacing-8);
}

/* Alerts (Form-Kontext: Fehler/Success) */
.alert {
    padding: var(--spacing-4);
    border-radius: var(--radius-2);
    margin-bottom: var(--spacing-5);
}

.alert-error {
    background: var(--color-error-light);
    color: var(--color-error);
    border: 1px solid var(--color-error);
}

.alert-success {
    background: var(--color-success-light);
    color: var(--color-success);
    border: 1px solid var(--color-success);
}

.alert-info {
    background: var(--color-info-light);
    color: var(--color-info);
    border: 1px solid var(--color-info);
}

/* Checkbox-Label (Plattform + Shop) */
.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-2);
    cursor: pointer;
    font-size: var(--font-size-1);
    color: var(--color-text-primary);
}

.checkbox-label input[type="checkbox"] {
    margin-top: 4px;
    cursor: pointer;
}

.checkbox-label a {
    color: var(--color-primary);
    text-decoration: underline;
}

.help {
    display: block;
    margin-top: var(--spacing-2);
    font-size: var(--font-size-0);
    color: var(--color-text-muted);
}

.is-hidden {
    display: none;
}

.button-toggle-group {
    display: flex;
    gap: var(--spacing-2);
    flex-wrap: wrap;
}

.button-toggle-option {
    position: relative;
    display: inline-flex;
    align-items: center;
    cursor: pointer;
}

.button-toggle-option input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.button-toggle-option span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2) var(--spacing-4);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-medium);
    transition: all 0.2s ease;
}

.tax-category-hidden-select {
    display: none;
}

.tax-category-picker__current {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    flex-wrap: wrap;
}

.tax-category-current-btn {
    cursor: pointer;
}

.tax-category-option-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-3);
}

.button-toggle-group--stacked {
    flex-direction: column;
}

.button-toggle-option--block {
    width: 100%;
}

.button-toggle-option--block span {
    width: 100%;
    align-items: flex-start;
    justify-content: flex-start;
    flex-direction: column;
    gap: 4px;
    text-align: left;
}

.button-toggle-note {
    font-style: normal;
    font-size: var(--font-size-0);
    color: var(--color-text-muted);
    font-weight: var(--font-weight-normal);
}

.button-toggle-option:hover span {
    color: var(--color-text-primary);
    border-color: var(--color-text-primary);
}

.button-toggle-option input:checked + span {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}