/* ============================================
   API Tester v2 - Form Styles
   Input, Select, Textarea, Toggle, Slider
   ============================================ */

/* ========== Form Group ========== */
.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-4);
}

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

.form-row {
    display: flex;
    gap: var(--spacing-3);
}

.form-row .form-group {
    flex: 1;
    margin-bottom: 0;
}

/* ========== Form Label ========== */
.form-label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
}

.form-label-required::after {
    content: '*';
    color: var(--color-error);
    margin-left: var(--spacing-1);
}

/* ========== Form Input ========== */
.form-input {
    width: 100%;
    height: var(--input-height);
    padding: 0 var(--spacing-3);
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
    background-color: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition:
        background-color var(--transition-fast),
        border-color var(--transition-fast);
}

.form-input:hover {
    border-color: var(--color-border-hover);
    background-color: var(--color-bg-tertiary);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-accent);
    background-color: var(--color-bg-tertiary);
    box-shadow: 0 0 0 2px var(--color-accent-muted);
}

.form-input::placeholder {
    color: var(--color-text-muted);
}

.form-input:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background-color: var(--color-glass);
}

/* Input Sizes */
.form-input-sm {
    height: var(--input-height-sm);
    padding: 0 var(--spacing-2);
    font-size: var(--font-size-xs);
}

.form-input-lg {
    height: var(--input-height-lg);
    padding: 0 var(--spacing-4);
    font-size: var(--font-size-base);
}

/* Input with Icon */
.input-with-icon {
    position: relative;
}

.input-with-icon .form-input {
    padding-left: var(--spacing-10);
}

.input-with-icon .input-icon {
    position: absolute;
    left: var(--spacing-3);
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--color-text-muted);
    pointer-events: none;
}

.input-with-icon-right .form-input {
    padding-left: var(--spacing-3);
    padding-right: var(--spacing-10);
}

.input-with-icon-right .input-icon {
    left: auto;
    right: var(--spacing-3);
}

/* Input with Button */
.input-with-button {
    display: flex;
    gap: var(--spacing-2);
}

.input-with-button .form-input {
    flex: 1;
}

/* Password Input */
.password-input-wrapper {
    position: relative;
}

.password-input-wrapper .form-input {
    padding-right: var(--spacing-10);
}

.password-toggle {
    position: absolute;
    right: var(--spacing-2);
    top: 50%;
    transform: translateY(-50%);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.password-toggle svg {
    width: 16px;
    height: 16px;
}

/* ========== Form Select ========== */
.form-select {
    width: 100%;
    height: var(--input-height);
    padding: 0 var(--spacing-10) 0 var(--spacing-3);
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
    background-color: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition:
        background-color var(--transition-fast),
        border-color var(--transition-fast);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23a0a0b0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--spacing-3) center;
    background-size: 16px;
}

.form-select:hover {
    border-color: var(--color-border-hover);
    background-color: var(--color-bg-tertiary);
}

.form-select:focus {
    outline: none;
    border-color: var(--color-accent);
    background-color: var(--color-bg-tertiary);
    box-shadow: 0 0 0 2px var(--color-accent-muted);
}

.form-select:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.form-select option {
    background-color: var(--color-bg-secondary);
    color: var(--color-text-primary);
}

/* ========== Form Textarea ========== */
.form-textarea {
    width: 100%;
    min-height: 120px;
    padding: var(--spacing-3);
    font-size: var(--font-size-sm);
    font-family: inherit;
    color: var(--color-text-primary);
    background-color: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    resize: vertical;
    transition:
        background-color var(--transition-fast),
        border-color var(--transition-fast);
    line-height: var(--line-height-normal);
}

.form-textarea:hover {
    border-color: var(--color-border-hover);
    background-color: var(--color-bg-tertiary);
}

.form-textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    background-color: var(--color-bg-tertiary);
    box-shadow: 0 0 0 2px var(--color-accent-muted);
}

.form-textarea::placeholder {
    color: var(--color-text-muted);
}

.form-textarea:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Textarea with monospace font */
.form-textarea-mono {
    font-family: var(--font-family-mono);
    font-size: var(--font-size-xs);
}

/* ========== Toggle Switch ========== */
.toggle {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    cursor: pointer;
}

.toggle-input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-switch {
    position: relative;
    width: 44px;
    height: 24px;
    background-color: rgba(255, 255, 255, 0.11);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.toggle-switch::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 18px;
    height: 18px;
    background-color: var(--color-text-secondary);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.toggle-input:checked + .toggle-switch {
    background-color: var(--color-accent-active);
    border-color: var(--color-accent-active);
}

.toggle-input:checked + .toggle-switch::after {
    transform: translateX(20px);
    background-color: white;
}

.toggle-input:focus-visible + .toggle-switch {
    box-shadow: 0 0 0 2px var(--color-accent-muted);
}

.toggle-input:disabled + .toggle-switch {
    opacity: 0.5;
    cursor: not-allowed;
}

.toggle-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
}

/* Toggle with description */
.toggle-with-description {
    align-items: flex-start;
}

.toggle-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-1);
}

.toggle-description {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
}

/* ========== Toggle Option (Card Style) ========== */
.toggle-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-3) var(--spacing-4);
    background-color: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition:
        background-color var(--transition-fast),
        border-color var(--transition-fast);
}

.toggle-option:hover {
    background-color: var(--color-glass-hover);
    border-color: var(--color-border-hover);
}

.toggle-option.is-active {
    background-color: var(--color-accent-muted);
    border-color: var(--color-accent);
}

.toggle-option-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-1);
}

.toggle-option-label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
}

.toggle-option-description {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
}

/* ========== Range Slider ========== */
.form-range {
    width: 100%;
    height: 6px;
    background-color: var(--color-glass-active);
    border-radius: var(--radius-full);
    appearance: none;
    cursor: pointer;
}

.form-range::-webkit-slider-thumb {
    appearance: none;
    width: 18px;
    height: 18px;
    background-color: var(--color-accent);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.form-range::-webkit-slider-thumb:hover {
    background-color: var(--color-accent-hover);
}

.form-range::-moz-range-thumb {
    width: 18px;
    height: 18px;
    background-color: var(--color-accent);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.form-range:focus {
    outline: none;
}

.form-range:focus::-webkit-slider-thumb {
    box-shadow: 0 0 0 3px var(--color-accent-muted);
}

.form-range:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Range with value display */
.range-with-value {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.range-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.range-value {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-accent);
    font-family: var(--font-family-mono);
    min-width: 48px;
    text-align: right;
}

/* ========== Checkbox ========== */
.checkbox {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    cursor: pointer;
}

.checkbox-input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.checkbox-box {
    width: 18px;
    height: 18px;
    background-color: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.checkbox-box svg {
    width: 12px;
    height: 12px;
    color: white;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.checkbox-input:checked + .checkbox-box {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
}

.checkbox-input:checked + .checkbox-box svg {
    opacity: 1;
}

.checkbox-input:focus-visible + .checkbox-box {
    box-shadow: 0 0 0 3px var(--color-accent-muted);
}

.checkbox-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
}

/* ========== Radio Button ========== */
.radio {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    cursor: pointer;
}

.radio-input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.radio-circle {
    width: 18px;
    height: 18px;
    background-color: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.radio-circle::after {
    content: '';
    width: 8px;
    height: 8px;
    background-color: white;
    border-radius: var(--radius-full);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.radio-input:checked + .radio-circle {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
}

.radio-input:checked + .radio-circle::after {
    opacity: 1;
}

.radio-input:focus-visible + .radio-circle {
    box-shadow: 0 0 0 3px var(--color-accent-muted);
}

.radio-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
}

/* Radio Group */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.radio-group-horizontal {
    flex-direction: row;
    gap: var(--spacing-4);
}

/* ========== File Input ========== */
.file-input-wrapper {
    position: relative;
}

.file-input {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
    z-index: 1;
}

.file-input-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-3);
    padding: var(--spacing-8);
    background-color: var(--color-glass);
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.file-input-label:hover,
.file-input-wrapper.is-dragover .file-input-label {
    background-color: var(--color-glass-hover);
    border-color: var(--color-accent);
}

.file-input-icon {
    width: 48px;
    height: 48px;
    color: var(--color-text-muted);
}

.file-input-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
    font-weight: var(--font-weight-medium);
}

.file-input-hint {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
}

.file-input-selected {
    border-style: solid;
    border-color: var(--color-accent);
    background-color: var(--color-accent-muted);
}

.file-input-selected .file-input-icon {
    color: var(--color-accent);
}

/* ========== Form Helper Text ========== */
.form-helper,
.form-hint {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    margin-top: var(--spacing-1);
}

.form-hint {
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
}

.form-error {
    font-size: var(--font-size-xs);
    color: var(--color-error);
    margin-top: var(--spacing-1);
}

/* Input error state */
.form-input.is-error,
.form-select.is-error,
.form-textarea.is-error {
    border-color: var(--color-error);
}

.form-input.is-error:focus,
.form-select.is-error:focus,
.form-textarea.is-error:focus {
    box-shadow: 0 0 0 3px var(--color-error-muted);
}

/* ========== Form Section ========== */
.form-section {
    margin-bottom: var(--spacing-6);
}

.form-section-title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-3);
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.form-section-title svg {
    width: 16px;
    height: 16px;
    color: var(--color-text-secondary);
}

/* ========== CORS Proxy Toggle ========== */
.cors-proxy-field {
    margin-top: var(--spacing-2);
}

.cors-proxy-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-3);
}

.cors-proxy-hint {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin-top: var(--spacing-1);
}

/* Small toggle variant */
.toggle-sm .toggle-switch {
    width: 36px;
    height: 20px;
}

.toggle-sm .toggle-switch::after {
    width: 16px;
    height: 16px;
}

.toggle-sm .toggle-input:checked + .toggle-switch::after {
    transform: translateX(16px);
}