/* QR Code Designer - Advanced Styles */
.qr-generator-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: flex-start;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

.input-panel {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 1.5rem;
}

.main-input-group label {
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    display: block;
}

.main-input-group .form-control {
    width: 100%;
    min-height: 100px;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    color: var(--text-color);
    font-size: 1rem;
    resize: vertical;
    margin-bottom: 2rem;
}

.main-input-group .form-control:focus {
    border-color: var(--primary-color);
    outline: none;
}

.options-accordion .accordion-item {
    border-bottom: 1px solid var(--card-border);
}

.options-accordion .accordion-item:last-child {
    border-bottom: none;
}

.accordion-header {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    color: var(--text-color);
    padding: 1rem 0;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.accordion-header::after {
    content: '\ea6a';
    font-family: 'remixicon' !important;
    transition: transform 0.3s;
}

.accordion-header.active::after {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out;
}

.accordion-content .option-group {
    padding: 0.5rem 0 1rem;
}

.option-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.75rem;
    color: var(--text-color-light);
}

.option-group input[type="color"] {
    width: 40px;
    height: 40px;
    border: 1px solid var(--card-border);
    background: none;
    cursor: pointer;
    padding: 0;
    border-radius: 8px;
}

.shape-selector {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.shape-selector button {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-color-light);
    border: 1px solid var(--card-border);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.shape-selector button.active, .shape-selector button:hover {
    background: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

.gradient-picker {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.custom-select {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--card-border);
    color: var(--text-color);
    padding: 0.75rem;
    border-radius: 8px;
}

.btn-link {
    background: none;
    border: none;
    color: var(--text-color-light);
    cursor: pointer;
    font-size: 0.9rem;
    text-decoration: underline;
    transition: color 0.3s ease;
    margin-left: 1rem;
}

.btn-link:hover {
    color: var(--primary-color);
}

/* --- Output Panel --- */
.output-panel-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    position: sticky;
    top: 100px;
    /* Makes it stay in view on scroll */
}

#qrcode-canvas-container {
    width: 100%;
    max-width: 450px;
    background: #fff;
    padding: 1.5rem;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

#qrcode-canvas-container canvas {
    width: 100% !important;
    height: auto !important;
}

.download-options {
    margin-top: 2rem;
    width: 100%;
    max-width: 450px;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.download-options .slider {
    flex-grow: 1;
}

.download-options .btn {
    white-space: nowrap;
}

@media screen and (max-width: 900px) {
    .qr-generator-container {
        grid-template-columns: 1fr;
    }

    .output-panel-wrapper {
        position: static;
        margin-top: 2rem;
    }
}