/**
 * Component Styles
 * Forms, Buttons, Preview, Export
 */

/* ========================================
   FORM COMPONENTS
   ======================================== */

.form {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.form__group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.form__group--checkbox {
    flex-direction: row;
    align-items: center;
}

.form__label {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
}

.form__label-hint {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-normal);
    color: var(--color-text-muted);
}

/* Input Base */
.form__input,
.form__select {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    background-color: var(--color-bg-input);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form__input {
    font-family: var(--font-mono);
}

.form__input[type="number"] {
    font-variant-numeric: tabular-nums;
}

.form__input[type="number"]::-webkit-inner-spin-button,
.form__input[type="number"]::-webkit-outer-spin-button {
    opacity: 1;
}

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

.form__input:hover,
.form__select:hover {
    border-color: var(--color-bg-secondary);
}

.form__input:focus,
.form__select:focus {
    outline: none;
    border-color: var(--color-accent-light);
    box-shadow: 0 0 0 3px rgba(195, 7, 63, 0.15);
}

/* Input Error State */
.form__input--error {
    border-color: var(--color-error);
}

.form__input--error:focus {
    border-color: var(--color-error);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

/* Input Valid State */
.form__input--valid {
    border-color: var(--color-success);
}

/* Select Styling */
.form__select {
    cursor: pointer;
    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='%23B8B8BC' stroke-width='2'%3E%3Cpolyline points='6,9 12,15 18,9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-3) center;
    padding-right: var(--space-10);
}

.form__select:focus {
    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='%23C3073F' stroke-width='2'%3E%3Cpolyline points='6,9 12,15 18,9'/%3E%3C/svg%3E");
}

/* Hint Text */
.form__hint {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    min-height: var(--font-size-xs);
}

/* Error Message */
.form__error {
    font-size: var(--font-size-sm);
    color: var(--color-error);
    min-height: 1.25rem;
}

.form__error:empty {
    display: none;
}

/* Range Slider */
.form__range-wrapper {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.form__range {
    flex: 1;
    height: 6px;
    appearance: none;
    background: var(--color-bg-input);
    border-radius: var(--radius-full);
    cursor: pointer;
}

.form__range::-webkit-slider-thumb {
    appearance: none;
    width: 20px;
    height: 20px;
    background: var(--color-accent-light);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.form__range::-webkit-slider-thumb:hover {
    transform: scale(1.1);
}

.form__range::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: var(--color-accent-light);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
}

.form__range-value {
    min-width: 2.5rem;
    font-size: var(--font-size-sm);
    font-family: var(--font-family-mono);
    color: var(--color-text-secondary);
    text-align: right;
}

/* Checkbox Styling */
.form__checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    cursor: pointer;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    user-select: none;
}

.form__checkbox {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.form__checkbox-custom {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background-color: var(--color-bg-input);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.form__checkbox-custom::after {
    content: '';
    position: absolute;
    width: 6px;
    height: 10px;
    border: solid var(--color-text-primary);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg) scale(0);
    transition: transform var(--transition-fast);
}

.form__checkbox:checked + .form__checkbox-custom {
    background-color: var(--color-accent-light);
    border-color: var(--color-accent-light);
}

.form__checkbox:checked + .form__checkbox-custom::after {
    transform: rotate(45deg) scale(1);
}

.form__checkbox:focus-visible + .form__checkbox-custom {
    box-shadow: 0 0 0 3px rgba(195, 7, 63, 0.3);
}

/* Form Actions */
.form__actions {
    display: flex;
    gap: var(--space-3);
    padding-top: var(--space-2);
}

/* Dynamic Options */
.form__options {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.form__options:empty {
    display: none;
}

/* ========================================
   BUTTONS
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    line-height: 1;
    text-align: center;
    white-space: nowrap;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    cursor: pointer;
}

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

/* Primary Button */
.btn--primary {
    color: var(--color-text-primary);
    background-color: var(--color-accent-light);
    border: 1px solid var(--color-accent-light);
}

.btn--primary:hover:not(:disabled) {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
}

.btn--primary:active:not(:disabled) {
    background-color: var(--color-accent-dark);
}

/* Secondary Button */
.btn--secondary {
    flex: 1;
    color: var(--color-text-secondary);
    background-color: var(--color-bg-input);
    border: 1px solid var(--color-border);
}

.btn--secondary:hover:not(:disabled) {
    color: var(--color-text-primary);
    background-color: var(--color-bg-hover);
    border-color: var(--color-bg-secondary);
}

/* Outline Button */
.btn--outline {
    color: var(--color-accent-light);
    background-color: transparent;
    border: 1px solid var(--color-accent-light);
}

.btn--outline:hover:not(:disabled) {
    color: var(--color-text-primary);
    background-color: rgba(195, 7, 63, 0.1);
}

/* Button with Icon */
.btn--icon svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* ========================================
   PREVIEW SECTION
   ======================================== */

.preview {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 250px;
    padding: var(--space-6);
    background-color: var(--color-bg-input);
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-md);
}

/* Placeholder State */
.preview__placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
    text-align: center;
}

.preview__placeholder-icon {
    width: 64px;
    height: 64px;
    color: var(--color-text-muted);
}

.preview__placeholder p {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* Canvas Wrapper */
.preview__canvas-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    background-color: #FFFFFF;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.preview__canvas {
    max-width: 100%;
    height: auto;
}

/* Loading State */
.preview__loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
}

.preview__loading p {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.preview__spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-accent-light);
    border-radius: var(--radius-full);
    animation: spin 0.8s linear infinite;
}

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

/* ========================================
   EXPORT SECTION
   ======================================== */

.export {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-top: var(--space-5);
}

.export .btn {
    width: 100%;
}