.qrg-section {
    --tool-accent: #6366F1;
    --tool-accent-rgb: 99, 102, 241;
}

.qrg-section .tool-card {
    overflow: visible;
}

/* Layout */
.qrg-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 2rem;
    align-items: start;
    padding: 1.5rem;
}

.qrg-preview-col {
    position: sticky;
    top: 1rem;
}

/* Make all inputs/selects/textareas full-width inside the controls column */
.qrg-controls-col .tool-input,
.qrg-controls-col .tool-select {
    width: 100%;
    box-sizing: border-box;
}

/* Required field marker */
.qrg-required {
    color: #ef4444;
    margin-left: 0.15rem;
}

/* Validation errors */
.qrg-controls-col .tool-input.qrg-input-error {
    border-color: #ef4444;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.qrg-error-msg {
    display: block;
    font-size: 0.8125rem;
    color: #ef4444;
    margin-top: 0.2rem;
}

@media (max-width: 860px) {
    .qrg-layout {
        grid-template-columns: 1fr;
    }
}

/* Type bar */
.qrg-type-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-bottom: 1.1rem;
}

.qrg-type-btn {
    padding: 0.35rem 0.85rem;
    font-size: 0.9375rem;
    font-weight: 600;
    border: 1px solid var(--tool-border);
    border-radius: var(--tool-radius-sm);
    background: var(--tool-surface);
    color: var(--tool-text-secondary);
    cursor: pointer;
    transition: all 0.15s;
}

.qrg-type-btn:hover {
    border-color: var(--tool-accent);
    color: var(--tool-accent);
}

.qrg-type-btn--active {
    background: var(--tool-accent);
    border-color: var(--tool-accent);
    color: #fff;
}

.qrg-type-btn--active:hover {
    background: var(--tool-accent);
    color: #fff;
    opacity: 0.88;
}

/* Panels */
.qrg-panel {
    margin-bottom: 0;
}

.qrg-textarea {
    min-height: 80px;
    resize: vertical;
    font-size: 1rem;
}

.qrg-mt {
    margin-top: 0.65rem;
}

/* Divider */
.qrg-section-divider {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin: 1.1rem 0 0.9rem;
    color: var(--tool-text-muted);
    font-size: 0.9375rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.qrg-section-divider::before,
.qrg-section-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--tool-border);
}

/* Customization rows */
.qrg-custom-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.85rem;
    margin-bottom: 0.85rem;
}

.qrg-custom-group {}

/* Color row */
.qrg-color-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.qrg-color-swatch {
    width: 38px;
    height: 38px;
    padding: 2px;
    border: 1px solid var(--tool-border);
    border-radius: var(--tool-radius-sm);
    cursor: pointer;
    background: none;
    flex-shrink: 0;
}

.qrg-hex-input {
    font-family: var(--tool-font-mono);
    font-size: 0.9375rem;
}

/* Slider */
.qrg-slider-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.qrg-slider-val {
    font-family: var(--tool-font-mono);
    font-size: 0.9375rem;
    color: var(--tool-accent);
    min-width: 40px;
    flex-shrink: 0;
}

/* Generate button */
.qrg-generate-btn {
    flex: 1;
    justify-content: center;
    background: var(--primary-gradient, linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%));
    color: #fff;
    border-color: transparent;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
    transition: filter 0.15s, box-shadow 0.15s;
}

.qrg-generate-btn:hover {
    filter: brightness(1.08);
}

/* Preview */
.qrg-preview-canvas {
    border: 1px solid var(--tool-border);
    border-radius: var(--tool-radius-md);
    background: var(--tool-surface);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 280px;
    padding: 1rem;
    margin-bottom: 0.85rem;
}

.qrg-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.6rem;
    color: var(--tool-text-muted);
    font-size: 0.9375rem;
}

.qrg-placeholder-icon {
    font-size: 3rem;
    opacity: 0.3;
    color: var(--tool-accent);
}

.qrg-qr-container canvas,
.qrg-qr-container img {
    display: block;
    max-width: 100%;
    height: auto;
    border-radius: 4px;
}

/* Download row */
.qrg-download-row {
    display: grid;
    grid-template-columns: 1fr 1fr auto;
    gap: 0.5rem;
}

.qrg-download-row .tool-btn {
    justify-content: center;
}

/* Button row */
.qrg-btn-row {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.qrg-reset-btn {
    flex-shrink: 0;
}

/* Logo upload */
.qrg-logo-group {
    margin-bottom: 0.85rem;
}

.qrg-logo-hint {
    font-weight: 400;
    font-size: 0.8125rem;
    color: var(--tool-text-muted);
}

.qrg-logo-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.35rem;
}

.qrg-logo-file-input {
    display: none;
}

.qrg-logo-upload-label {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.85rem;
    border: 1.5px dashed var(--tool-border);
    border-radius: var(--tool-radius-sm);
    cursor: pointer;
    font-size: 0.9375rem;
    color: var(--tool-text-secondary);
    background: var(--tool-surface);
    transition: border-color 0.15s, background 0.15s;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.qrg-logo-upload-label:hover {
    border-color: var(--tool-accent);
    background: rgba(var(--tool-accent-rgb), 0.04);
}

.qrg-logo-upload-label i {
    font-size: 1.125rem;
    color: var(--tool-accent);
    flex-shrink: 0;
}

.qrg-logo-upload-label.has-logo {
    border-style: solid;
    border-color: var(--tool-accent);
    color: var(--tool-text-primary);
}

.qrg-logo-clear-btn {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: 1px solid var(--tool-border);
    border-radius: var(--tool-radius-sm);
    background: var(--tool-surface);
    color: var(--tool-text-muted);
    cursor: pointer;
    transition: border-color 0.15s, color 0.15s;
    font-family: inherit;
}

.qrg-logo-clear-btn:hover {
    border-color: #ef4444;
    color: #ef4444;
}

/* WiFi hidden network checkbox */
.qrg-check-row {
    display: flex;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.qrg-check-label {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.9375rem;
    color: var(--tool-text-secondary);
    cursor: pointer;
}

.qrg-check-label input[type="checkbox"] {
    accent-color: var(--tool-accent);
}