@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--scrollbar-hover);
}

/* Global & Navigation Styles */
:root {
    --primary: #0F172A;
    --primary-text: #1E293B;
    --accent: #3B82F6;
    --accent-soft: #F1F5F9;
    --success: #10B981;
    --secondary: #64748B;
    --bg: #F8FAFC;
    --bg-gradient-1: #fdfbfb;
    --bg-gradient-2: #f6f8fb;
    --bg-gradient-3: #ebedee;
    --card: rgba(255, 255, 255, 0.7);
    --card-alt: rgba(255, 255, 255, 0.4);
    --card-inner: #ffffff;
    --border: #E2E8F0;
    --border-light: #F1F5F9;
    --border-input: #CBD5E1;
    --shadow: 0 10px 30px rgba(15, 23, 42, 0.05);
    --input-bg: #ffffff;
    --input-focus-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
    --drop-bg: rgba(248, 250, 252, 0.5);
    --drop-hover-bg: rgba(241, 245, 249, 0.8);
    --drop-active-bg: #E2E8F0;
    --tab-nav-bg: rgba(255, 255, 255, 0.7);
    --tab-hover-bg: rgba(241, 245, 249, 0.8);
    --tab-active-bg: #0F172A;
    --tab-active-color: #ffffff;
    --btn-primary-bg: #0F172A;
    --btn-primary-hover: #1E293B;
    --btn-secondary-bg: #ffffff;
    --btn-secondary-color: #334155;
    --btn-secondary-border: #CBD5E1;
    --btn-secondary-hover: #F8FAFC;
    --icon-btn-bg: #ffffff;
    --icon-btn-border: #E2E8F0;
    --icon-btn-hover: #F1F5F9;
    --hint-color: #475569;
    --label-color: #334155;
    --batch-list-bg: rgba(255, 255, 255, 0.6);
    --batch-list-border: #E2E8F0;
    --batch-item-border: #F1F5F9;
    --preview-card-bg: #F8FAFC;
    --textarea-bg: #ffffff;
    --modal-overlay: rgba(15, 23, 42, 0.4);
    --modal-bg: rgba(255, 255, 255, 0.95);
    --chip-bg: #ffffff;
    --chip-border: #CBD5E1;
    --chip-hover-bg: #F1F5F9;
    --chip-checked-bg: #EFF6FF;
    --chip-checked-border: #3B82F6;
    --pill-bg: #F1F5F9;
    --pill-border: #E2E8F0;
    --pill-color: #334155;
    --mode-card-bg: #ffffff;
    --mode-card-border: #E2E8F0;
    --mode-card-hover: #F8FAFC;
    --mode-icon-bg: #F1F5F9;
    --scrollbar-thumb: #CBD5E1;
    --scrollbar-hover: #94A3B8;
    --settings-grid-bg: rgba(248, 250, 252, 0.6);
    --editing-bg: #EFF6FF;
    --editing-border: #BFDBFE;
    --checked-pill-bg: #0F172A;
    --checked-pill-color: #ffffff;
    --btn-alt-bg: #1E293B;
    --btn-alt-color: #ffffff;
    --btn-alt-hover: #334155;
}

[data-theme="dark"] {
    --primary: #F8FAFC;
    --primary-text: #E2E8F0;
    --accent: #60A5FA;
    --accent-soft: #1E293B;
    --success: #34D399;
    --secondary: #94A3B8;
    --bg: #0B0F19;
    --bg-gradient-1: #0B0F19;
    --bg-gradient-2: #0F172A;
    --bg-gradient-3: #1E293B;
    --card: rgba(30, 41, 59, 0.6);
    --card-alt: rgba(15, 23, 42, 0.4);
    --card-inner: rgba(30, 41, 59, 0.8);
    --border: rgba(255, 255, 255, 0.1);
    --border-light: rgba(255, 255, 255, 0.05);
    --border-input: rgba(255, 255, 255, 0.15);
    --shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    --input-bg: rgba(15, 23, 42, 0.6);
    --input-focus-shadow: 0 0 0 3px rgba(96, 165, 250, 0.2);
    --drop-bg: rgba(15, 23, 42, 0.4);
    --drop-hover-bg: rgba(30, 41, 59, 0.6);
    --drop-active-bg: rgba(51, 65, 85, 0.6);
    --tab-nav-bg: rgba(15, 23, 42, 0.65);
    --tab-hover-bg: rgba(30, 41, 59, 0.8);
    --tab-active-bg: #F8FAFC;
    --tab-active-color: #0F172A;
    --btn-primary-bg: #F8FAFC;
    --btn-primary-hover: #E2E8F0;
    --btn-secondary-bg: rgba(30, 41, 59, 0.6);
    --btn-secondary-color: #E2E8F0;
    --btn-secondary-border: rgba(255, 255, 255, 0.1);
    --btn-secondary-hover: rgba(51, 65, 85, 0.8);
    --icon-btn-bg: rgba(30, 41, 59, 0.6);
    --icon-btn-border: rgba(255, 255, 255, 0.1);
    --icon-btn-hover: rgba(51, 65, 85, 0.8);
    --hint-color: #94A3B8;
    --label-color: #CBD5E1;
    --batch-list-bg: rgba(15, 23, 42, 0.4);
    --batch-list-border: rgba(255, 255, 255, 0.08);
    --batch-item-border: rgba(255, 255, 255, 0.05);
    --preview-card-bg: rgba(15, 23, 42, 0.6);
    --textarea-bg: rgba(15, 23, 42, 0.6);
    --modal-overlay: rgba(0, 0, 0, 0.75);
    --modal-bg: rgba(15, 23, 42, 0.95);
    --chip-bg: rgba(30, 41, 59, 0.4);
    --chip-border: rgba(255, 255, 255, 0.1);
    --chip-hover-bg: rgba(51, 65, 85, 0.6);
    --chip-checked-bg: rgba(96, 165, 250, 0.15);
    --chip-checked-border: #60A5FA;
    --pill-bg: rgba(30, 41, 59, 0.6);
    --pill-border: rgba(255, 255, 255, 0.1);
    --pill-color: #E2E8F0;
    --mode-card-bg: rgba(30, 41, 59, 0.4);
    --mode-card-border: rgba(255, 255, 255, 0.1);
    --mode-card-hover: rgba(51, 65, 85, 0.6);
    --mode-icon-bg: rgba(15, 23, 42, 0.6);
    --scrollbar-thumb: rgba(255, 255, 255, 0.2);
    --scrollbar-hover: rgba(255, 255, 255, 0.3);
    --settings-grid-bg: rgba(15, 23, 42, 0.4);
    --editing-bg: rgba(30, 58, 138, 0.3);
    --editing-border: #1E3A8A;
    --checked-pill-bg: #F8FAFC;
    --checked-pill-color: #0F172A;
    --btn-alt-bg: rgba(51, 65, 85, 0.8);
    --btn-alt-color: #F8FAFC;
    --btn-alt-hover: rgba(71, 85, 105, 0.9);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: linear-gradient(135deg, var(--bg-gradient-1) 0%, var(--bg-gradient-2) 50%, var(--bg-gradient-3) 100%);
    margin: 0;
    padding: 24px;
    color: var(--primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
    box-sizing: border-box;
    transition: background 0.4s ease, color 0.4s ease;
}

.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

:where(button, input, select, textarea, [tabindex]):focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 3px;
}

/* Global Button Styles */
.btn {
    border: none;
    padding: 10px 16px;
    cursor: pointer;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    transition: all 0.22s ease;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    border: 1px solid transparent;
}

.btn-primary {
    background: var(--btn-primary-bg);
    color: var(--tab-active-color);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-primary:hover {
    background: var(--btn-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background: var(--btn-secondary-bg);
    color: var(--btn-secondary-color);
    border: 1px solid var(--btn-secondary-border);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

.btn-secondary:hover {
    background: var(--btn-secondary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.btn-danger {
    background: #ef4444;
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.2);
}

.btn-danger:hover {
    background: #dc2626;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(239, 68, 68, 0.3);
}

.btn:active {
    transform: translateY(0);
}

/* Tab Navigation */
.tab-nav {
    display: flex;
    gap: 10px;
    background: var(--tab-nav-bg);
    padding: 10px 12px;
    border-radius: 50px;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    position: sticky;
    top: 12px;
    z-index: 20;
}

.tab-nav button {
    border: none;
    background: transparent;
    padding: 12px 25px;
    border-radius: 40px;
    font-size: 16px;
    font-weight: 600;
    font-family: inherit;
    color: var(--secondary);
    cursor: pointer;
    transition: all 0.22s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.tab-nav button:hover {
    color: var(--primary);
    background: var(--tab-hover-bg);
}

.tab-nav button.active {
    background: var(--tab-active-bg);
    color: var(--tab-active-color);
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.22);
}

.tab-label-short {
    display: none;
}

/* View Containers */
.tool-view {
    display: none;
    /* Hide by default */
    width: 100%;
    justify-content: center;
    flex-direction: column;
    align-items: center;
    animation: fadeIn 0.3s ease-in-out;
}

.tool-view.active {
    display: flex;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ---------------------------------------------------
   BARCODE TOOL STYLES 
   --------------------------------------------------- */
.barcode-container {
    max-width: 936px;
    width: 100%;
    background: var(--card);
    padding: 42px;
    border-radius: 26px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-sizing: border-box;
}

.barcode-container .header {
    display: block;
    margin-bottom: 20px;
}

.barcode-container .header .kicker {
    display: none;
}

.barcode-container .header h2,
.autocrop-container .header h2,
.screen-title {
    margin: 0;
    color: var(--primary-text);
    font-size: clamp(1.25rem, 2vw, 1.5rem);
    line-height: 1.25;
    font-weight: 700;
}

.barcode-container .form-group {
    margin-bottom: 16px;
    padding: 16px;
    border: 1px solid var(--border-light);
    border-radius: 14px;
    background: var(--card-alt);
}

.barcode-container .form-group:last-of-type {
    margin-bottom: 0;
}

.barcode-container .title {
    font-weight: 600;
    display: block;
    margin-bottom: 12px;
    color: var(--label-color);
    font-size: 1.05em;
    margin-top: 0;
}

.step-dot {
    color: #2f6fed;
    margin-right: 6px;
}

.step-dot-rainbow {
    margin-right: 6px;
    background: linear-gradient(90deg, #ff4d4f 0%, #ffa940 20%, #fadb14 40%, #52c41a 60%, #1677ff 80%, #722ed1 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.barcode-container .section-title {
    font-size: 1rem;
    font-weight: 500;
    color: var(--secondary);
    margin-bottom: 15px;
    display: block;
}

.barcode-container .settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 15px;
    margin-bottom: 30px;
    background: var(--settings-grid-bg);
    padding: 20px;
    border-radius: 16px;
    border: 1px solid var(--border);
}

.barcode-container .input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.barcode-container .input-group label {
    font-size: 0.85rem;
    color: var(--secondary);
    font-weight: 500;
}

.barcode-container input[type="number"],
.barcode-container input[type="text"] {
    padding: 10px 12px;
    border: 1px solid var(--border-input);
    border-radius: 12px;
    font-family: inherit;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    background: var(--input-bg);
    color: var(--primary);
}

.barcode-container input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: var(--input-focus-shadow);
}

.barcode-container .drop-box {
    border: 2px dashed var(--border-input);
    border-radius: 20px;
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: 0.3s;
    background: var(--drop-bg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 120px;
    width: 100%;
    color: inherit;
    font: inherit;
}

.barcode-container .drop-box:hover {
    border-color: var(--accent);
    background: var(--drop-hover-bg);
}

.barcode-container .drop-box.active {
    border-color: var(--accent);
    background: var(--drop-active-bg);
}

.barcode-container .drop-box span {
    font-size: 1.1rem;
    margin-top: 15px;
    font-weight: 500;
    color: var(--primary);
}

.barcode-container .drop-box p {
    margin: 5px 0 0;
    font-size: 0.85rem;
    color: var(--secondary);
}

.barcode-container .icon {
    font-size: 35px;
}

.barcode-container .action-area {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.barcode-container .btn {
    padding: 14px;
    border-radius: 12px;
    font-size: 1rem;
    cursor: pointer;
    font-weight: 600;
    border: 1px solid transparent;
    transition: 0.2s ease;
    width: 100%;
    font-family: inherit;
}

.barcode-container .btn-download {
    background: var(--btn-primary-bg);
    color: var(--tab-active-color);
    display: none;
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.24);
}

.barcode-container .btn-download:hover {
    background: var(--btn-primary-hover);
    transform: translateY(-2px);
}

.barcode-container .btn-download-png {
    background: #0d9488;
    box-shadow: 0 8px 18px rgba(13, 148, 136, 0.28);
}

.barcode-container .btn-download-png:hover {
    background: #0f766e;
    transform: translateY(-2px);
}

#shippingActionArea .btn-download {
    display: flex;
}

.barcode-container .btn:active {
    transform: translateY(0);
}

.barcode-container .btn-refresh {
    background: var(--btn-secondary-bg);
    color: var(--btn-secondary-color);
    border-color: var(--btn-secondary-border);
    display: none;
    width: 30%;
}

.barcode-container .btn-refresh:hover {
    background: var(--btn-secondary-hover);
}

.barcode-container .btn-reset {
    background: var(--btn-secondary-bg);
    color: var(--btn-secondary-color);
    border-color: var(--btn-secondary-border);
    width: 30%;
}

.barcode-container .btn-reset:hover {
    background: var(--btn-secondary-hover);
}

.barcode-container #status {
    margin: 20px 0 0;
    text-align: center;
    font-size: 1rem;
    color: var(--accent);
    font-weight: 500;
}

.barcode-container .preview-area {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 15px;
    margin-top: 25px;
    border-top: 1px dashed #d9d9d9;
    padding-top: 20px;
}

.barcode-container .preview-card {
    background: var(--preview-card-bg);
    border-radius: 12px;
    padding: 6px;
    border: 1px solid var(--border);
    text-align: center;
    position: relative;
}

.barcode-container .preview-card img {
    width: 100%;
    border-radius: 4px;
    display: block;
    image-rendering: crisp-edges;
}

.barcode-container .barcode-remove-btn {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 24px;
    height: 24px;
    background: #ff4d4f;
    color: #fff;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
    transition: 0.2s;
    z-index: 10;
}

.barcode-container .barcode-remove-btn:hover {
    background: #d9363e;
    transform: scale(1.1);
}

.barcode-container .barcode-remove-btn svg {
    width: 14px;
    height: 14px;
    stroke-width: 2.5;
}

/* ---------------------------------------------------
   AUTO CROP TOOL STYLES
   --------------------------------------------------- */
.autocrop-container {
    max-width: 936px;
    width: 100%;
    background: var(--card);
    padding: 42px;
    border-radius: 26px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-sizing: border-box;
}

.autocrop-container .header {
    margin-bottom: 20px;
}

.autocrop-container .form-group {
    margin-bottom: 16px;
    padding: 16px;
    border: 1px solid var(--border-light);
    border-radius: 14px;
    background: var(--card-alt);
}

.autocrop-container .title {
    font-weight: 600;
    display: block;
    margin-bottom: 12px;
    color: var(--label-color);
    font-size: 1.05em;
    margin-top: 0;
}

.autocrop-container .settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 12px;
    background: var(--settings-grid-bg);
    padding: 16px;
    border-radius: 14px;
    border: 1px solid var(--border);
}

.autocrop-container .input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.autocrop-container .input-group label {
    font-size: 0.85rem;
    color: var(--secondary);
    font-weight: 500;
}

.autocrop-container input[type="text"],
.autocrop-container input[type="number"],
.autocrop-container select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-input);
    border-radius: 12px;
    font-family: inherit;
    font-size: 0.95rem;
    box-sizing: border-box;
    background: var(--input-bg);
    color: var(--primary);
}

.autocrop-container input:focus,
.autocrop-container select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: var(--input-focus-shadow);
}

.autocrop-container .drop-box {
    border: 2px dashed var(--border-input);
    border-radius: 20px;
    padding: 36px 20px;
    text-align: center;
    cursor: pointer;
    transition: 0.3s;
    background: var(--drop-bg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 120px;
    width: 100%;
    color: inherit;
    font: inherit;
}

.autocrop-container .drop-box:hover {
    border-color: var(--accent);
    background: var(--drop-hover-bg);
}

.autocrop-container .drop-box.active {
    border-color: var(--accent);
    background: var(--drop-active-bg);
}

.autocrop-container .drop-box span {
    font-size: 1.05rem;
    margin-top: 14px;
    font-weight: 500;
    color: var(--primary);
}

.autocrop-container .drop-box p {
    margin: 5px 0 0;
    font-size: 0.85rem;
    color: var(--secondary);
}

.autocrop-container .action-area {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.autocrop-container .btn {
    padding: 14px;
    border-radius: 12px;
    font-size: 1rem;
    cursor: pointer;
    font-weight: 600;
    border: 1px solid transparent;
    transition: 0.2s ease;
    width: 100%;
    font-family: inherit;
}

.autocrop-container .btn-primary {
    background: var(--btn-primary-bg);
    color: var(--tab-active-color);
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.24);
}

.autocrop-container .btn-primary:hover {
    background: var(--btn-primary-hover);
    transform: translateY(-2px);
}

.autocrop-container .btn-secondary {
    background: var(--btn-secondary-bg);
    color: var(--btn-secondary-color);
    border-color: var(--btn-secondary-border);
}

.autocrop-container .btn-secondary:hover {
    background: var(--btn-secondary-hover);
}

.autocrop-container .btn:active {
    transform: translateY(0);
}

.autocrop-container #autoCropStatus {
    margin-top: 16px;
    text-align: center;
    font-size: 0.95rem;
    color: var(--accent);
    font-weight: 500;
    min-height: 1.2em;
}

.autocrop-container .manual-panel {
    margin-top: 14px;
    padding: 14px;
    border: 1px solid var(--border-light);
    border-radius: 12px;
    background: var(--card-alt);
}

.autocrop-container .manual-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: 10px;
    align-items: end;
}

.autocrop-container .manual-value {
    font-size: 0.8rem;
    color: #666;
    margin-top: 4px;
    text-align: right;
}

.autocrop-container .manual-actions {
    display: flex;
    gap: 8px;
    margin-top: 10px;
}

.autocrop-container .preview-area {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 15px;
    margin-top: 20px;
    border-top: 1px dashed #d9d9d9;
    padding-top: 18px;
}

.autocrop-container .preview-card {
    background: var(--preview-card-bg);
    border-radius: 12px;
    padding: 6px;
    border: 1px solid var(--border);
    text-align: center;
    position: relative;
}

.autocrop-container .autocrop-remove-btn {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 24px;
    height: 24px;
    background: #ff4d4f;
    color: #fff;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
    transition: 0.2s;
    z-index: 10;
    opacity: 0;
}

.autocrop-container .preview-card:hover .autocrop-remove-btn {
    opacity: 1;
}

.autocrop-container .autocrop-remove-btn:hover {
    background: #d9363e;
    transform: scale(1.1);
}

.autocrop-container .autocrop-remove-btn svg {
    width: 14px;
    height: 14px;
    stroke-width: 2.5;
}

.autocrop-container .preview-card img {
    width: 100%;
    border-radius: 6px;
    display: block;
}

.autocrop-container .preview-card.selected {
    border-color: #2f6fed;
    box-shadow: 0 0 0 2px rgba(47, 111, 237, 0.18);
}

.autocrop-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.48);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 60;
    padding: 20px;
}

.autocrop-modal.active {
    display: flex;
}

.autocrop-modal-content {
    width: min(860px, 95vw);
    max-height: 90vh;
    overflow: auto;
    background: var(--modal-bg);
    border-radius: 20px;
    border: 1px solid var(--border);
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.35);
    padding: 16px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.autocrop-modal-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.autocrop-modal-preview {
    background: #f7f7f7;
    border: 1px solid #ececec;
    border-radius: 12px;
    padding: 8px;
    margin-bottom: 12px;
    position: relative;
    overflow: hidden;
}

.autocrop-modal-stage {
    position: relative;
    width: 100%;
    height: 62vh;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.autocrop-modal-stage img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    display: block;
    border-radius: 8px;
    user-select: none;
    -webkit-user-drag: none;
}

.autocrop-frame {
    position: absolute;
    border: 2px solid #2f6fed;
    box-sizing: border-box;
    box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.25);
    cursor: move;
    border-radius: 4px;
}

.autocrop-frame::before {
    content: "";
    position: absolute;
    inset: 0;
    border: 1px dashed rgba(255, 255, 255, 0.85);
    pointer-events: none;
}

.resize-handle {
    position: absolute;
    width: 14px;
    height: 14px;
    background: #fff;
    border: 2px solid #2f6fed;
    border-radius: 50%;
    z-index: 10;
}

.resize-handle.nw {
    top: -7px;
    left: -7px;
    cursor: nwse-resize;
}

.resize-handle.ne {
    top: -7px;
    right: -7px;
    cursor: nesw-resize;
}

.resize-handle.sw {
    bottom: -7px;
    left: -7px;
    cursor: nesw-resize;
}

.resize-handle.se {
    bottom: -7px;
    right: -7px;
    cursor: nwse-resize;
}

.autocrop-modal-tools {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 8px;
}


/* ---------------------------------------------------
   SHIPPING MODE SELECTOR
   --------------------------------------------------- */
.shipping-mode-selector {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.shipping-mode-card {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 18px;
    border: 2px solid var(--mode-card-border);
    border-radius: 14px;
    background: var(--mode-card-bg);
    cursor: pointer;
    transition: all 0.22s ease;
    user-select: none;
    position: relative;
}

.shipping-mode-card:hover {
    border-color: var(--secondary);
    background: var(--mode-card-hover);
}

.shipping-mode-card:has(input:checked) {
    border-color: var(--accent);
    background: var(--chip-checked-bg);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.1);
}

.shipping-mode-card input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.shipping-mode-card:has(input:focus-visible),
.sku-container .checkbox-label:has(input:focus-visible),
.toggle-switch:has(input:focus-visible),
.memory-toggle:has(input:focus-visible) {
    outline: 3px solid var(--accent);
    outline-offset: 3px;
}

.shipping-mode-icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--mode-icon-bg);
    border-radius: 12px;
    transition: all 0.22s ease;
}

.shipping-mode-card:has(input:checked) .shipping-mode-icon {
    background: var(--btn-primary-bg);
    color: var(--tab-active-color);
}

.shipping-mode-icon svg {
    width: 26px;
    height: 26px;
}

.shipping-mode-text {
    display: flex;
    flex-direction: column;
    gap: 3px;
    min-width: 0;
}

.shipping-mode-title {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--label-color);
}

.shipping-mode-desc {
    font-size: 0.78rem;
    color: var(--secondary);
    line-height: 1.3;
}

@media (max-width: 600px) {
    .shipping-mode-selector {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .shipping-mode-card {
        padding: 12px 14px;
        gap: 10px;
    }

    .shipping-mode-icon {
        width: 38px;
        height: 38px;
    }

    .shipping-mode-icon svg {
        width: 22px;
        height: 22px;
    }

    .shipping-mode-title {
        font-size: 0.88rem;
    }

    .shipping-mode-desc {
        font-size: 0.72rem;
    }
}


/* ---------------------------------------------------
   SKU GENERATOR STYLES 
   --------------------------------------------------- */
.sku-container {
    width: 100%;
    max-width: 1074px;
    background: var(--card);
    padding: 34px 26px;
    border-radius: 24px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 14px;
    box-sizing: border-box;
}

.sku-container .header {
    display: none;
}

.sku-section {
    padding: 14px;
    border: 1px solid var(--border-light);
    border-radius: 14px;
    background: var(--card-alt);
}

.sku-form-section .form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.sku-form-section .form-column {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.sku-container .form-group {
    margin-bottom: 8px;
    padding: 10px;
    border: 1px solid var(--border-light);
    border-radius: 14px;
    background: var(--card-alt);
}

.sku-container .form-group:last-of-type {
    margin-bottom: 0;
}

.sku-container label.title,
.sku-container .title {
    font-weight: 600;
    display: block;
    margin-bottom: 8px;
    color: var(--label-color);
    font-size: 1.02em;
}

.sku-container .checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    margin-bottom: 8px;
}

.sku-form-section .form-column:first-child .form-group:nth-child(2) .checkbox-group {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
}

.sku-form-section .form-column:first-child .form-group:nth-child(2) .checkbox-label {
    justify-content: center;
    white-space: nowrap;
}

.sku-container .checkbox-label {
    background: var(--chip-bg);
    border: 1px solid var(--chip-border);
    padding: 8px 16px;
    border-radius: 24px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    user-select: none;
    min-height: 44px;
    box-sizing: border-box;
}

.sku-container .checkbox-label:hover {
    background: var(--chip-hover-bg);
    border-color: var(--secondary);
}

.sku-container .checkbox-label .size-pill {
    min-width: 28px;
    padding: 2px 8px;
    border-radius: 999px;
    background: var(--pill-bg);
    border: 1px solid var(--pill-border);
    color: var(--pill-color);
    font-size: 12px;
    font-weight: 700;
    text-align: center;
    line-height: 1.2;
    letter-spacing: 0.2px;
}

.sku-container .checkbox-label .color-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 1px solid rgba(0, 0, 0, 0.18);
    flex-shrink: 0;
    display: inline-block;
}

.sku-container input[type="checkbox"] {
    cursor: pointer;
    accent-color: var(--accent);
    width: 16px;
    height: 16px;
}

.sku-form-section .checkbox-label input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.sku-container .checkbox-label input[type="checkbox"]:checked+.size-pill {
    background: var(--checked-pill-bg);
    color: var(--checked-pill-color);
    border-color: var(--checked-pill-bg);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.sku-container .checkbox-label:has(input[type="checkbox"]:checked) {
    border-color: var(--chip-checked-border);
    background: var(--chip-checked-bg);
}

.sku-container .checkbox-label:has(input[name="colorCB"]:checked) .color-dot {
    box-shadow: 0 0 0 2px var(--accent), 0 0 0 4px var(--card);
}

.sku-container input[type="text"],
.sku-container input[type="number"],
.sku-container select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-input);
    border-radius: 12px;
    font-size: 14px;
    transition: all 0.3s ease;
    box-sizing: border-box;
    background-color: var(--input-bg);
    color: var(--primary);
    font-family: inherit;
}

.sku-container select {
    cursor: pointer;
}

.sku-container input[type="text"]:focus,
.sku-container input[type="number"]:focus,
.sku-container select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: var(--input-focus-shadow);
}

.sku-container p.hint {
    font-size: 0.78em;
    color: var(--hint-color);
    margin: 6px 0 0 0;
}

.sku-container .suffix-row {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 8px;
    align-items: center;
    margin-top: 8px;
}

.sku-container .suffix-row input[type="checkbox"] {
    margin: 0 4px 0 2px;
}

.sku-container button:not(.icon-btn) {
    border: none;
    padding: 12px 16px;
    cursor: pointer;
    border-radius: 12px;
    width: 100%;
    font-size: 15px;
    font-weight: 600;
    transition: all 0.22s ease;
    font-family: inherit;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
}

.sku-container button.primary {
    background: var(--btn-primary-bg);
    color: var(--tab-active-color);
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.24);
}

.sku-container button.primary:hover {
    background: var(--btn-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.28);
}

.sku-container .button-group {
    display: flex;
    gap: 8px;
    margin-top: 10px;
}

.sku-container button.secondary {
    background: var(--btn-alt-bg);
    color: var(--btn-alt-color);
}

.sku-container button.secondary:hover {
    background: var(--btn-alt-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.24);
}

.sku-container button.danger {
    background: #ef4444;
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.2);
}

.sku-container button.danger:hover {
    background: #dc2626;
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(239, 68, 68, 0.3);
}

.sku-container button.btn-green {
    background: #047857;
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(4, 120, 87, 0.24);
}

.sku-container button.btn-green:hover {
    background: #059669;
    transform: translateY(-2px);
    box-shadow: 0 6px 14px rgba(5, 150, 105, 0.28);
}

.sku-container button.btn-orange {
    background: #c2410c;
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(194, 65, 12, 0.24);
}

.sku-container button.btn-orange:hover {
    background: #ea580c;
    transform: translateY(-2px);
    box-shadow: 0 6px 14px rgba(234, 88, 12, 0.28);
}

.sku-container button.btn-blue {
    background: #3b82f6;
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.24);
}

.sku-container button.btn-blue:hover {
    background: #2563eb;
    transform: translateY(-2px);
    box-shadow: 0 6px 14px rgba(37, 99, 235, 0.28);
}

.sku-container button:active {
    transform: translateY(0);
}

.sku-container .batch-actions {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
    margin-top: 8px;
}

.sku-container .right-section-title {
    font-size: 1.02em;
    font-weight: 700;
    color: var(--label-color);
    margin: 0 0 8px;
}

.sku-container .section-dot-green {
    color: #22a447;
    margin-right: 6px;
}

.sku-container .section-dot-orange {
    color: #f08a24;
    margin-right: 6px;
}

.sku-container .result-section {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

.sku-container .sheet-export-row {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 8px;
    margin-top: 10px;
}

.sku-container .sheet-export-actions {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
}

.sku-container .download-control {
    display: flex;
    align-items: stretch;
    width: 100%;
    min-width: 0;
    gap: 4px;
}

.sku-container .sheet-clear-action {
    display: flex;
    gap: 8px;
    margin-top: 8px;
}

.sku-container .sheet-status {
    margin-top: 6px;
    font-size: 0.78em;
    color: #5f5f5f;
    min-height: 1.1em;
}

/* Toggle Switch */
.toggle-switch {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 13px;
    color: var(--primary);
    font-weight: 500;
    user-select: none;
    min-height: 44px;
    padding: 0 2px;
}

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

.toggle-slider {
    position: relative;
    width: 36px;
    height: 20px;
    background-color: var(--border-input);
    border-radius: 20px;
    transition: .3s;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 2px;
    bottom: 2px;
    background-color: white;
    border-radius: 50%;
    transition: .3s;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

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

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

.sku-container .batch-panel {
    margin-bottom: 8px;
    padding: 10px;
    border: 1px solid var(--border-light);
    border-radius: 10px;
    background: var(--card-inner);
}

.sku-container .batch-panel-head {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    margin-bottom: 6px;
}

.sku-container .batch-status {
    font-size: 0.78em;
    color: var(--secondary);
    white-space: nowrap;
    flex-shrink: 0;
}

.sku-container .batch-panel-tools {
    display: flex;
    align-items: center;
    gap: 8px;
}

.sku-container .memory-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75em;
    color: var(--secondary);
    user-select: none;
    white-space: nowrap;
    flex-shrink: 0;
}

.sku-container .memory-toggle input[type="checkbox"] {
    width: 14px;
    height: 14px;
    margin: 0;
}

.icon-btn {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    border-radius: 10px;
    border: 1px solid var(--icon-btn-border);
    background: var(--icon-btn-bg);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--primary);
    padding: 0;
}

.icon-btn:hover {
    background: var(--icon-btn-hover);
    border-color: var(--secondary);
    transform: translateY(-1px);
}

.icon-btn:active {
    transform: translateY(0);
}

.sku-container .batch-list {
    padding: 8px;
    border: 1px solid var(--batch-list-border);
    border-radius: 8px;
    background: var(--batch-list-bg);
    max-height: 160px;
    overflow: auto;
    font-size: 0.78em;
    color: var(--secondary);
}

.sku-container .batch-item {
    padding: 5px 0;
    border-bottom: 1px dashed var(--batch-item-border);
    cursor: grab;
    display: flex;
    align-items: center;
    gap: 8px;
}

.sku-container .batch-item:last-child {
    border-bottom: none;
}

.sku-container .batch-item.drag-over {
    background: #efefef;
    border-radius: 4px;
    position: relative;
}

.sku-container .batch-item.drag-over-before::before,
.sku-container .batch-item.drag-over-after::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    height: 2px;
    background: #111111;
    border-radius: 999px;
}

.sku-container .batch-item.drag-over-before::before {
    top: -1px;
}

.sku-container .batch-item.drag-over-after::after {
    bottom: -1px;
}

.sku-container .batch-item.editing {
    background: var(--editing-bg);
    border-radius: 4px;
    border: 1px solid var(--editing-border);
}

.sku-container .batch-item-handle {
    color: #8a8a8a;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    cursor: grab;
}

.sku-container .batch-item-text {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.ui-icon {
    width: 16px;
    height: 16px;
    display: inline-block;
    vertical-align: middle;
    flex-shrink: 0;
}

.ui-icon-lg {
    width: 36px;
    height: 36px;
    color: var(--primary);
}

.barcode-container .btn .ui-icon,
.sku-container button .ui-icon {
    width: 17px;
    height: 17px;
}

.sku-container textarea {
    width: 100%;
    flex-grow: 1;
    /* ขยายเต็มพื้นที่ความสูง */
    min-height: 230px;
    padding: 11px;
    border-radius: 14px;
    border: 1px solid var(--border-input);
    background-color: var(--textarea-bg);
    color: var(--primary);
    box-sizing: border-box;
    font-family: inherit;
    font-size: 14px;
    resize: vertical;
}

.sku-container textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: var(--input-focus-shadow);
}

/* รองรับหน้าจอมือถือ */
@media (max-width: 850px) {
    .sku-form-section .form-grid {
        grid-template-columns: 1fr;
    }

    .sku-form-section .form-column {
        gap: 8px;
    }

    .sku-container textarea {
        min-height: 200px;
    }
}

@media (max-width: 600px) {
    body {
        padding: 12px 8px;
    }

    /* Tab nav scrollable */
    .tab-nav {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        padding: 8px 10px;
        gap: 6px;
        border-radius: 40px;
    }

    .tab-nav::-webkit-scrollbar {
        display: none;
    }

    .tab-nav button {
        padding: 10px 14px;
        font-size: 13px;
        white-space: nowrap;
        flex-shrink: 0;
        min-height: 44px;
    }

    .tab-label-full {
        display: none;
    }

    .tab-label-short {
        display: inline;
    }

    /* Barcode container */
    .barcode-container {
        padding: 20px 14px;
        border-radius: 18px;
    }

    .barcode-container .settings-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
        padding: 14px;
        gap: 10px;
    }

    .barcode-container .drop-box {
        padding: 28px 14px;
    }

    .barcode-container .preview-area {
        grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
        gap: 10px;
    }

    /* Autocrop container */
    .autocrop-container {
        padding: 20px 14px;
        border-radius: 18px;
    }

    .autocrop-container .settings-grid {
        grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
        padding: 12px;
        gap: 10px;
    }

    .autocrop-container .drop-box {
        padding: 28px 14px;
    }

    .autocrop-container .manual-grid {
        grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    }

    .autocrop-container .preview-area {
        grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
        gap: 10px;
    }

    .autocrop-modal-content {
        width: 98vw;
        border-radius: 12px;
        padding: 10px;
    }

    .autocrop-modal-stage {
        height: 50vh;
    }

    /* SKU container */
    .sku-container {
        padding: 18px 12px;
        border-radius: 18px;
    }

    .sku-container .checkbox-group {
        gap: 5px;
    }

    .sku-container .checkbox-label {
        padding: 8px 10px;
        font-size: 13px;
        min-height: 44px;
    }

    .sku-container button[type="button"],
    .sku-container .icon-btn {
        min-height: 44px;
    }

    .sku-container .suffix-row {
        grid-template-columns: 1fr;
    }

    .sku-container .sheet-export-row {
        grid-template-columns: 1fr;
    }

    .sku-container .sheet-export-actions {
        grid-template-columns: 1fr;
    }

    .sku-container .batch-list {
        max-height: 120px;
    }

    .sku-container .sku-section {
        padding: 10px;
    }

    .sku-container textarea {
        min-height: 150px;
    }
}

/* ---------------------------------------------------
   THEME TOGGLE
   --------------------------------------------------- */
.theme-toggle {
    border: none;
    background: transparent;
    padding: 8px;
    border-radius: 50%;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.25s ease;
    color: var(--secondary);
    flex-shrink: 0;
}

.theme-toggle:hover {
    color: var(--primary);
    background: var(--tab-hover-bg);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
}

.theme-toggle .icon-sun {
    display: none;
}

.theme-toggle .icon-moon {
    display: block;
}

[data-theme="dark"] .theme-toggle .icon-sun {
    display: block;
}

[data-theme="dark"] .theme-toggle .icon-moon {
    display: none;
}

/* Smooth transitions for theme change */
*, *::before, *::after {
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.2s ease, box-shadow 0.3s ease;
}

/* Exclude animations/transforms from the global transition */
button, .tab-nav button, .sku-container button, .barcode-container .btn, .autocrop-container .btn {
    transition: all 0.22s ease;
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

@media (prefers-reduced-transparency: reduce) {
    :root {
        --card: #ffffff;
        --card-alt: #f8fafc;
        --tab-nav-bg: #ffffff;
    }

    [data-theme="dark"] {
        --card: #1e293b;
        --card-alt: #0f172a;
        --tab-nav-bg: #0f172a;
    }

    .tab-nav,
    .barcode-container,
    .autocrop-container {
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
    }
}