/* ==========================================================================
   Free QR Code Generator Specific Stylesheet
   ========================================================================== */

.qr-tool-wrapper {
    padding: 2.5rem 0 3.5rem;
}

.tool-header {
    text-align: center;
    max-width: 780px;
    margin: 0 auto 2.5rem;
}

.tool-badge-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.85rem;
    background-color: var(--primary-light);
    color: var(--primary);
    font-size: 0.825rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    margin-bottom: 0.85rem;
}

.tool-header h1 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--secondary);
    line-height: 1.25;
    margin-bottom: 0.75rem;
}

.tool-header p {
    font-size: 1.05rem;
    color: var(--text-secondary);
}

/* Two Column Layout */
.qr-workspace-grid {
    display: grid;
    grid-template-columns: 1.35fr 1fr;
    gap: 2.25rem;
    align-items: start;
    margin-bottom: 3.5rem;
}

/* Left Card: Input & Config */
.qr-config-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

/* Tabs */
.qr-type-tabs {
    display: flex;
    overflow-x: auto;
    background-color: var(--bg-muted);
    border-bottom: 1px solid var(--border-color);
    scrollbar-width: none;
}

.qr-type-tabs::-webkit-scrollbar {
    display: none;
}

.qr-tab-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 1.25rem;
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s ease;
}

.qr-tab-btn:hover {
    color: var(--primary);
    background-color: rgba(255, 255, 255, 0.5);
}

.qr-tab-btn.active {
    color: var(--primary);
    background-color: #ffffff;
    border-bottom-color: var(--primary);
}

.qr-tab-btn i {
    font-size: 1rem;
}

/* Form Container */
.qr-form-body {
    padding: 1.75rem;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
    animation: fadeIn 0.25s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 0.4rem;
}

.form-group label i {
    color: var(--primary);
    margin-right: 0.25rem;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-md);
    background-color: #ffffff;
    color: var(--text-primary);
    font-family: inherit;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

textarea.form-control {
    min-height: 110px;
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-hint {
    font-size: 0.775rem;
    color: var(--text-muted);
    margin-top: 0.35rem;
}

/* Accordion Customization Panel */
.customization-section {
    border-top: 1px solid var(--border-color);
    padding: 1.25rem 1.75rem;
    background-color: #fbfcfe;
}

.customization-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.customization-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.customization-toggle-icon {
    transition: transform 0.3s ease;
    color: var(--primary);
}

.customization-section.collapsed .customization-toggle-icon {
    transform: rotate(-90deg);
}

.customization-content {
    margin-top: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.customization-section.collapsed .customization-content {
    display: none;
}

/* Color Controls */
.color-picker-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.color-picker-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0.75rem;
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.color-input-wrapper {
    position: relative;
    width: 38px;
    height: 38px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--border-color);
    flex-shrink: 0;
}

.color-input-wrapper input[type="color"] {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    cursor: pointer;
    border: none;
}

.color-info {
    display: flex;
    flex-direction: column;
}

.color-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--secondary);
}

.color-hex {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: monospace;
}

/* Color Presets */
.preset-colors-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 0.5rem;
}

.color-preset-dot {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid #ffffff;
    box-shadow: 0 0 0 1px var(--border-color);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.color-preset-dot:hover {
    transform: scale(1.15);
}

/* Logo Uploader */
.logo-upload-box {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    text-align: center;
    background-color: #ffffff;
    cursor: pointer;
    transition: border-color 0.2s ease, background-color 0.2s ease;
    position: relative;
}

.logo-upload-box:hover {
    border-color: var(--primary);
    background-color: var(--primary-light);
}

.logo-upload-box input[type="file"] {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.logo-preview-wrapper {
    display: none;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.logo-preview-img {
    width: 48px;
    height: 48px;
    object-fit: contain;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background-color: #ffffff;
    padding: 2px;
}

.btn-remove-logo {
    background-color: #fee2e2;
    color: #ef4444;
    border: none;
    padding: 0.35rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

.btn-remove-logo:hover {
    background-color: #fecaca;
}

/* Preset Logo Chips */
.preset-logos-row {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 0.5rem;
}

.preset-logo-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.75rem;
    background-color: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.preset-logo-chip:hover {
    border-color: var(--primary);
    color: var(--primary);
}

/* Right Card: QR Preview Panel (Sticky) */
.qr-preview-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 92px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.preview-card-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
}

.preview-card-header h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--secondary);
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.2rem 0.6rem;
    border-radius: var(--radius-full);
    background-color: #d1fae5;
    color: #065f46;
}

.status-badge.live::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: #10b981;
    box-shadow: 0 0 6px #10b981;
}

/* Canvas Container */
.qr-canvas-box {
    width: 100%;
    max-width: 320px;
    aspect-ratio: 1 / 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    box-shadow: var(--shadow-sm);
    margin-bottom: 1.5rem;
    position: relative;
}

.qr-canvas-box canvas {
    max-width: 100% !important;
    height: auto !important;
    display: block;
    border-radius: 4px;
}

/* Export Options */
.export-controls {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.btn-download-primary {
    width: 100%;
    padding: 0.85rem 1.25rem;
    background: linear-gradient(135deg, var(--primary) 0%, #3b82f6 100%);
    color: #ffffff;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn-download-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.4);
}

.btn-group-secondary {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 0.5rem;
}

.btn-format-secondary {
    padding: 0.55rem;
    background-color: var(--bg-muted);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.825rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
    transition: all 0.2s ease;
}

.btn-format-secondary:hover {
    background-color: #ffffff;
    border-color: var(--primary);
    color: var(--primary);
}

.btn-group-utilities {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    margin-top: 0.25rem;
}

.btn-utility {
    padding: 0.6rem 0.85rem;
    background-color: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    transition: all 0.2s ease;
}

.btn-utility:hover {
    border-color: var(--primary);
    color: var(--primary);
    background-color: var(--primary-light);
}

/* Toast Notification */
.toast-notice {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background-color: var(--secondary);
    color: #ffffff;
    padding: 0.85rem 1.5rem;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.9rem;
    font-weight: 600;
    box-shadow: var(--shadow-xl);
    z-index: 9999;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}

.toast-notice.show {
    transform: translateY(0);
    opacity: 1;
}

.toast-notice i {
    color: #10b981;
}

/* Feature Highlights Grid */
.feature-highlights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
    margin: 2.5rem 0;
}

.feature-box {
    background-color: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.feature-box i {
    font-size: 1.5rem;
    color: var(--primary);
    background-color: var(--primary-light);
    padding: 0.75rem;
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.feature-box-content h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 0.35rem;
}

.feature-box-content p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Responsive adjustments */
@media (max-width: 992px) {
    .qr-workspace-grid {
        grid-template-columns: 1fr;
    }
    .qr-preview-card {
        position: static;
        order: -1;
        margin-bottom: 1.5rem;
    }
    .tool-header h1 {
        font-size: 2rem;
    }
}

@media (max-width: 576px) {
    .form-row, .color-picker-grid {
        grid-template-columns: 1fr;
    }
    .btn-group-secondary {
        grid-template-columns: 1fr 1fr;
    }
}