/* ============================================
   Tana - Inventory Management PWA
   Clean & Minimal Design System
   ============================================ */

/* --- 1. CSS Custom Properties --- */
:root {
    --primary: #10b981;
    --primary-dark: #059669;
    --primary-hover: #059669;
    --primary-light: #6ee7b7;
    --primary-bg: #f0fdf4;
    --secondary: #64748b;
    --danger: #dc2626;
    --danger-bg: #fef2f2;
    --warning: #f59e0b;
    --warning-bg: #fffbeb;
    --success: #10b981;
    --success-bg: #f0fdf4;
    --text: #111827;
    --text-light: #6b7280;
    --text-secondary: #9ca3af;
    --border: #f0f0f0;
    --border-strong: #d1d5db;
    --bg: #f8f9fa;
    --white: #ffffff;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 1px 4px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.08);
    --radius: 12px;
    --radius-lg: 16px;
}

/* --- 2. Reset & Base --- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
        'Helvetica Neue', Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--primary);
    text-decoration: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul, ol {
    list-style: none;
}

/* --- 3. Accessibility --- */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* --- 4. App Info --- */
.app-info-display {
    position: fixed;
    top: 6px;
    right: 10px;
    z-index: 9999;
    font-size: 0.75em;
    color: rgba(255, 255, 255, 0.85);
    text-align: right;
    line-height: 1.3;
    pointer-events: none;
    white-space: nowrap;
}

/* --- 5. Scroll-top Button --- */
#scroll-top-btn {
    position: fixed;
    top: 8px;
    left: 8px;
    z-index: 101;
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    font-size: 14px;
    cursor: pointer;
    box-shadow: var(--shadow);
    opacity: 0.8;
    transition: opacity 0.2s;
}
#scroll-top-btn:hover { opacity: 1; }

/* --- 6. Header --- */
.app-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--primary);
    color: #fff;
    padding: 0 16px;
    height: 48px;
    display: flex;
    align-items: center;
    box-shadow: var(--shadow);
}

.app-header h1 {
    font-size: 17px;
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.01em;
    margin-left: 30px;
}

.app-header .subtitle {
    display: none;
}

/* --- 7. Update Banner --- */
#update-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--warning);
    color: var(--text);
    padding: 10px 16px;
    text-align: center;
    font-size: 14px;
    font-weight: 600;
    z-index: 1000;
    display: none;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
}

#update-banner.visible {
    display: block;
}

#update-banner button {
    background: var(--white);
    color: var(--text);
    border: none;
    padding: 4px 12px;
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    margin-left: 8px;
}

/* --- 8. Main Tab Navigation --- */
#main-tab-nav {
    position: sticky;
    top: 48px;
    z-index: 90;
    background: var(--white);
    display: flex;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    border-bottom: 1px solid var(--border);
}

#main-tab-nav::-webkit-scrollbar {
    display: none;
}

#main-tab-nav .tab-btn {
    flex: 0 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 8px 16px;
    border: none;
    background: none;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    border-bottom: 2px solid transparent;
    transition: color 0.2s, border-color 0.2s;
    min-width: 64px;
}

#main-tab-nav .tab-btn .tab-icon {
    font-size: 18px;
    line-height: 1;
}

#main-tab-nav .tab-btn.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    font-weight: 600;
}

#main-tab-nav .tab-btn:hover:not(.active) {
    color: var(--text);
}

/* --- 9. Sub-tab Navigation --- */
.sub-tab-nav {
    display: flex;
    gap: 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding: 0 16px;
    border-bottom: 1px solid var(--border);
    background: var(--white);
}

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

.sub-tab-nav .sub-tab-btn {
    flex: 0 0 auto;
    padding: 10px 16px;
    border: none;
    background: none;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    white-space: nowrap;
    transition: color 0.2s, border-color 0.2s;
    border-radius: 0;
}

.sub-tab-nav .sub-tab-btn.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    font-weight: 600;
    background: none;
}

.sub-tab-nav .sub-tab-btn:hover:not(.active) {
    color: var(--text);
}

/* --- 10. Tab & Sub-tab Content --- */
.tab-content {
    padding: 20px 16px;
}

.tab-content[hidden] {
    display: none;
}

.subtab-content {
    padding-top: 4px;
}

.subtab-content[hidden] {
    display: none;
}

/* --- 11. Toolbar & Filters --- */
.toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 0 0 16px;
    align-items: center;
}

.toolbar .search-wrap {
    flex: 1 1 200px;
    position: relative;
}

.toolbar .search-wrap .search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
    font-size: 16px;
    pointer-events: none;
}

.toolbar .search-wrap input {
    width: 100%;
    padding: 10px 12px 10px 38px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    background: var(--white);
    color: var(--text);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.toolbar .search-wrap input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.12);
}

.toolbar select {
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    background: var(--white);
    color: var(--text);
    cursor: pointer;
    flex: 0 0 auto;
    max-width: 200px;
}

.toolbar select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.12);
}

.search-input {
    width: 100%;
    flex: 1 1 200px;
    min-width: 0;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    background: var(--white);
    color: var(--text);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.search-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.12);
}

.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 16px;
}

.filter-bar .form-group {
    flex: 1 1 150px;
    margin-bottom: 0;
}

/* --- 12. Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 20px;
    border: 1px solid transparent;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    min-height: 44px;
    transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.1s,
        box-shadow 0.2s;
    text-align: center;
    line-height: 1.2;
    user-select: none;
}

.btn:active {
    transform: scale(0.97);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    pointer-events: none;
}

.btn-primary,
.primary-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 20px;
    border: 1px solid transparent;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    min-height: 44px;
    transition: background 0.2s, color 0.2s, transform 0.1s;
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
    width: 100%;
    text-align: center;
    line-height: 1.2;
    user-select: none;
}

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

.btn-primary:active,
.primary-btn:active {
    transform: scale(0.97);
}

.btn-primary:disabled,
.primary-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    pointer-events: none;
}

.btn-secondary,
.secondary-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 20px;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    min-height: 44px;
    transition: background 0.2s, color 0.2s, transform 0.1s;
    background: var(--white);
    color: var(--text);
    width: 100%;
    text-align: center;
    line-height: 1.2;
    user-select: none;
}

.btn-secondary:hover:not(:disabled),
.secondary-btn:hover:not(:disabled) {
    background: #f3f4f6;
}

.btn-secondary:active,
.secondary-btn:active {
    transform: scale(0.97);
}

.btn-danger,
.danger-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 20px;
    border: 1px solid transparent;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    min-height: 44px;
    transition: background 0.2s, color 0.2s, transform 0.1s;
    background: var(--danger);
    color: var(--white);
    border-color: var(--danger);
    width: 100%;
    text-align: center;
    line-height: 1.2;
    user-select: none;
}

.btn-danger:hover:not(:disabled),
.danger-btn:hover:not(:disabled) {
    background: #b91c1c;
    border-color: #b91c1c;
}

.btn-danger:active,
.danger-btn:active {
    transform: scale(0.97);
}

.btn-outline {
    background: transparent;
    color: #059669;
    border-color: #059669;
}

.btn-outline:hover:not(:disabled) {
    background: var(--primary-bg);
    color: #059669;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
    min-height: 32px;
}

.btn-icon {
    padding: 8px;
    min-width: 44px;
    min-height: 44px;
    border-radius: var(--radius);
    background: transparent;
    border: 1px solid var(--border-strong);
    color: var(--text-light);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, color 0.2s;
}

.btn-icon:hover {
    background: var(--bg);
    color: var(--text);
}

.scan-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 20px;
    border: 1px solid #cbd5e1;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    min-height: 44px;
    transition: background 0.2s, color 0.2s, transform 0.1s;
    background: #f8fafc;
    color: var(--secondary);
    width: 100%;
    text-align: center;
    line-height: 1.2;
    user-select: none;
    margin-bottom: 16px;
}

.scan-btn:hover {
    background: var(--secondary);
    color: var(--white);
}

.scan-btn:active {
    transform: scale(0.97);
}

.text-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    border: none;
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    background: none;
    color: #059669;
    transition: background 0.2s;
}

.text-btn:hover {
    background: var(--primary-bg);
}

.cancel-btn {
    /* Styles are inherited from .secondary-btn when used together */
}

/* Edit button: outline style (transition action, not commit) */
#product-detail-edit-btn {
    background: var(--white);
    color: #059669;
    border-color: #059669;
}

#product-detail-edit-btn:hover:not(:disabled) {
    background: var(--primary-bg);
    color: #059669;
}

/* Quick action accent borders */
#quick-scan-receive { border-left: 3px solid var(--primary); }
#quick-scan-use     { border-left: 3px solid var(--secondary); }
#quick-start-count  { border-left: 3px solid var(--warning); }

/* --- 13. Forms --- */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 6px;
}

.form-group .form-hint {
    font-size: 12px;
    color: var(--text-light);
    margin-top: 4px;
}

input[type="text"],
input[type="number"],
input[type="email"],
input[type="tel"],
input[type="url"],
input[type="search"],
input[type="date"],
input[type="datetime-local"],
input[type="password"],
select,
textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    font-family: inherit;
    color: var(--text);
    background: var(--white);
    min-height: 44px;
    transition: border-color 0.2s, box-shadow 0.2s;
    -webkit-appearance: none;
    appearance: none;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.12);
}

input:disabled,
select:disabled,
textarea:disabled {
    background: var(--bg);
    color: var(--text-light);
    cursor: not-allowed;
}

textarea {
    resize: vertical;
    min-height: 80px;
}

select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 32px;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-weight: 400;
}

.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
    flex-shrink: 0;
}

.form-input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    font-family: inherit;
    color: var(--text);
    background: var(--white);
    min-height: 44px;
    transition: border-color 0.2s, box-shadow 0.2s;
    margin-top: 8px;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.12);
}

.transaction-form {
    max-width: 500px;
}

/* --- 14. Cards --- */
.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 20px 16px;
    margin-bottom: 16px;
}

.card h3 {
    font-size: 15px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.product-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 12px;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    transition: box-shadow 0.2s, transform 0.1s;
    margin-bottom: 8px;
}

.product-card:hover {
    box-shadow: var(--shadow-lg);
}

.product-card:active {
    transform: scale(0.99);
}

/* Product card inner elements (JS-generated) */
.product-card-photo {
    flex-shrink: 0;
}

.product-thumb {
    width: 52px;
    height: 52px;
    border-radius: var(--radius);
    object-fit: cover;
    background: var(--bg);
    display: block;
}

.product-thumb-placeholder {
    width: 52px;
    height: 52px;
    border-radius: var(--radius);
    background: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 20px;
}

.product-card-info {
    flex: 1;
    min-width: 0;
}

.product-card-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.product-card-code {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 2px;
}

.product-card-stock {
    margin-top: 4px;
}

/* Legacy product card child selectors (HTML-direct) */
.product-card .product-photo-thumb {
    width: 52px;
    height: 52px;
    border-radius: var(--radius);
    object-fit: cover;
    background: var(--bg);
    flex-shrink: 0;
}

.product-card .product-info {
    flex: 1;
    min-width: 0;
}

.product-card .product-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.product-card .product-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-light);
}

.product-card .product-price {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    margin-top: 4px;
}

.product-card .product-stock {
    font-size: 12px;
    margin-top: 2px;
}

.product-card .chevron {
    color: var(--text-light);
    font-size: 18px;
    flex-shrink: 0;
    opacity: 0.4;
}

.dashboard-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 16px;
    margin-bottom: 12px;
}

.dashboard-card .dashboard-card-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.dashboard-card .dashboard-card-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--text);
    line-height: 1.2;
}

.dashboard-card .dashboard-card-sub {
    font-size: 12px;
    color: var(--text-light);
    margin-top: 4px;
}

.settings-section {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 20px 16px;
    margin-bottom: 16px;
}

.settings-section h2 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}

.settings-section h3 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 12px;
}

/* --- 15. Dashboard --- */
.summary-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.summary-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 12px;
    background: var(--bg);
    border-radius: var(--radius);
}

.summary-item span:first-child {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 500;
}

.summary-item span:last-child {
    font-size: 24px;
    font-weight: 700;
    color: var(--text);
    line-height: 1.2;
}

.alert-list {
    /* Container for alert items */
}

.alert-item {
    padding: 10px 12px;
    border-left: 4px solid var(--border);
    border-radius: 0 var(--radius) var(--radius) 0;
    margin-bottom: 8px;
    background: var(--white);
    font-size: 13px;
}

.alert-item.alert-danger {
    border-left-color: var(--danger);
    background: var(--danger-bg);
}

.alert-item.alert-warning {
    border-left-color: var(--warning);
    background: var(--warning-bg);
}

.alert-item.alert-success {
    border-left-color: var(--success);
    background: var(--success-bg);
}

.alert-item.alert-expiry {
    border-left-color: var(--warning);
    background: var(--warning-bg);
}

.alert-item .alert-title,
.alert-item .alert-product {
    font-weight: 600;
    color: var(--text);
}

.alert-item .alert-detail {
    color: var(--text-light);
    font-size: 12px;
    margin-top: 2px;
}

.quick-actions {
    display: flex;
    flex-direction: row;
    gap: 8px;
    flex-wrap: wrap;
}

.quick-actions .quick-action-btn {
    flex: 1 1 calc(50% - 4px);
    min-width: 120px;
    min-height: 64px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 12px;
    background: var(--white);
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: background 0.2s, box-shadow 0.2s, transform 0.1s;
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
}

.quick-actions .quick-action-btn .quick-action-icon {
    font-size: 24px;
    color: var(--primary);
}

.quick-actions .quick-action-btn:hover {
    background: var(--primary-bg);
    box-shadow: var(--shadow-lg);
}

.quick-actions .quick-action-btn:active {
    transform: scale(0.97);
}

/* --- 16. Products --- */
.product-list {
    /* Container for product cards */
}

.product-count {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 12px;
    font-weight: 500;
}

.product-photo-thumb {
    width: 52px;
    height: 52px;
    border-radius: var(--radius);
    object-fit: cover;
    background: var(--bg);
}

.product-photo-large {
    width: 100%;
    max-width: 300px;
    height: auto;
    border-radius: var(--radius-lg);
    object-fit: cover;
    background: var(--bg);
    margin: 0 auto;
    display: block;
}

/* Stock status colors */
.stock-ok {
    color: var(--success);
}

.stock-low {
    color: var(--warning);
}

.stock-out {
    color: var(--danger);
}

/* --- 17. Transactions --- */
.transaction-list,
.transaction-summary-list {
    /* Containers for transaction items */
}

.transaction-item {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 8px;
    border-left: 4px solid var(--border);
}

.transaction-item.type-receive {
    border-left-color: var(--success);
}

.transaction-item.type-use {
    border-left-color: #3b82f6;
}

.transaction-item.type-sell {
    border-left-color: var(--warning);
}

.transaction-item.type-adjust {
    border-left-color: var(--secondary);
}

.transaction-item.type-dispose {
    border-left-color: var(--danger);
}

/* Transaction item inner elements (JS-generated) */
.tx-info,
.transaction-item .transaction-info {
    flex: 1;
    min-width: 0;
}

.tx-product-name,
.transaction-item .transaction-product {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.tx-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 4px;
}

.tx-type-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
    background: var(--bg);
    color: var(--text-light);
}

.tx-date,
.transaction-item .transaction-date {
    font-size: 11px;
    color: var(--text-secondary);
}

.tx-lot,
.tx-expiry,
.tx-notes {
    font-size: 12px;
    color: var(--text-light);
    margin-top: 2px;
}

.tx-quantity,
.transaction-item .transaction-qty {
    font-size: 16px;
    font-weight: 700;
    flex-shrink: 0;
    min-width: 60px;
    text-align: right;
}

.qty-increase {
    color: var(--success);
}

.qty-decrease {
    color: var(--danger);
}

.transaction-item .transaction-detail {
    font-size: 12px;
    color: var(--text-light);
    margin-top: 2px;
}

/* --- 18. Inventory Count --- */
.inventory-controls {
    margin-bottom: 16px;
}

.count-item-list,
.count-history-list {
    /* Containers */
}

/* Progress bar */
.progress-bar-container {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
}

.progress-bar {
    flex: 1;
    height: 8px;
    background: var(--border);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar-fill,
.progress-fill {
    height: 100%;
    background: var(--primary);
    border-radius: 4px;
    transition: width 0.3s ease;
}

.progress-text {
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    min-width: 36px;
    text-align: right;
}

/* Count progress (legacy) */
.count-progress {
    width: 100%;
    height: 8px;
    background: var(--border);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 16px;
}

.count-progress .count-progress-bar {
    height: 100%;
    background: var(--primary);
    border-radius: 4px;
    transition: width 0.3s ease;
}

/* Count header (JS-generated) */
.count-header {
    margin-bottom: 16px;
}

.count-items {
    /* Container */
}

.count-actions {
    display: flex;
    gap: 8px;
    margin-top: 16px;
}

.count-actions .btn {
    flex: 1;
}

/* Count items (both HTML and JS-generated) */
.count-item {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 8px;
    cursor: pointer;
    transition: box-shadow 0.2s;
}

.count-item:hover {
    box-shadow: var(--shadow-lg);
}

.count-item-left {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
    min-width: 0;
}

.count-item-photo {
    width: 40px;
    height: 40px;
    border-radius: var(--radius);
    object-fit: cover;
    background: var(--bg);
    flex-shrink: 0;
}

.count-item-info,
.count-item .count-product-info {
    flex: 1;
    min-width: 0;
}

.count-item-name,
.count-item .count-product-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.count-item-code {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 2px;
}

.count-item .count-expected {
    font-size: 12px;
    color: var(--text-light);
    margin-top: 2px;
}

.count-item-right {
    text-align: right;
    flex-shrink: 0;
}

.count-item-system {
    font-size: 12px;
    color: var(--text-secondary);
}

.count-item-actual {
    font-size: 16px;
    font-weight: 700;
    color: var(--text);
}

.count-variance {
    font-size: 12px;
    color: var(--warning);
    font-weight: 600;
}

.count-item .count-status {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    flex-shrink: 0;
    background: var(--border);
}

.count-item .count-status.counted {
    background: var(--success);
}

.count-item .count-status.discrepancy {
    background: var(--warning);
}

.count-item .count-actual {
    font-size: 18px;
    font-weight: 700;
    flex-shrink: 0;
    min-width: 50px;
    text-align: right;
    color: var(--text);
}

/* Count history items (JS-generated) */
.count-history-item {
    padding: 12px;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 8px;
    cursor: pointer;
    transition: background 0.15s;
}

.count-history-item:hover {
    background: var(--primary-bg);
}

.count-history-item:active {
    background: #e0f2e9;
}

.count-history-date {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
}

.count-history-meta {
    font-size: 12px;
    color: var(--text-light);
    margin-top: 4px;
}

/* --- 19. Reports --- */
.report-table-container {
    /* Container for report tables */
}

.report-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 16px;
}

.report-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    white-space: nowrap;
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
}

.report-table th {
    background: var(--bg);
    color: var(--text);
    font-weight: 600;
    padding: 10px 12px;
    text-align: left;
    border-bottom: 2px solid var(--border);
    position: sticky;
    top: 0;
}

.report-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    color: var(--text);
}

.report-table tbody tr:nth-child(even) {
    background: var(--bg);
}

.report-table tbody tr:hover {
    background: var(--primary-bg);
}

.report-table tbody tr:last-child td {
    border-bottom: none;
}

/* --- 20. Settings --- */
.data-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.import-label {
    cursor: pointer;
    text-align: center;
}

.info-list {
    margin-bottom: 12px;
}

.info-list dt {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 2px;
    font-weight: 500;
}

.info-list dd {
    font-size: 14px;
    color: var(--text);
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.info-list dd:last-of-type {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

/* --- 21. Overlays --- */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1500;
    background: rgba(0, 0, 0, 0.3);
    overflow: auto;
    -webkit-overflow-scrolling: touch;
}

.overlay[hidden] {
    display: none !important;
}

.overlay-content {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    background: var(--white);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.overlay-header {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    min-height: 52px;
}

.overlay-header .overlay-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text);
}

.overlay-header .overlay-close,
.overlay-close-btn {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-light);
    cursor: pointer;
    border-radius: var(--radius);
    transition: background 0.2s;
    flex-shrink: 0;
}

.overlay-header .overlay-close:hover,
.overlay-close-btn:hover {
    background: var(--bg);
}

.overlay-body {
    padding: 20px 16px;
}

.overlay-actions {
    display: flex;
    gap: 8px;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

.overlay-actions .primary-btn,
.overlay-actions .secondary-btn,
.overlay-actions .danger-btn,
.overlay-actions .cancel-btn {
    flex: 1;
}

/* Dialog overlay */
.overlay-dialog {
    position: absolute;
    top: 50%;
    left: 50%;
    right: auto;
    bottom: auto;
    width: calc(100% - 32px);
    max-width: 400px;
    transform: translate(-50%, -50%);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: visible;
}

/* Fullscreen overlay content */
.overlay-fullscreen {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: #000;
}

/* --- 22. Product Detail --- */
.product-detail {
    /* JS-generated product detail container */
}

.product-detail-photo {
    width: 100%;
    max-width: 300px;
    height: auto;
    max-height: 300px;
    border-radius: var(--radius-lg);
    object-fit: cover;
    background: var(--bg);
    margin: 0 auto 16px;
    display: block;
}

.detail-photo {
    text-align: center;
    margin-bottom: 16px;
}

.detail-photo img {
    max-width: 100%;
    max-height: 300px;
    border-radius: var(--radius-lg);
    object-fit: cover;
    margin: 0 auto;
}

.detail-kana {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.detail-info {
    margin-bottom: 16px;
}

.detail-info dt {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 2px;
    font-weight: 500;
}

.detail-info dd {
    font-size: 14px;
    color: var(--text);
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.detail-info dd:last-of-type {
    border-bottom: none;
}

.detail-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    margin: 12px 0;
}

.detail-table th {
    text-align: left;
    padding: 8px 12px;
    background: var(--bg);
    color: var(--text-light);
    font-weight: 500;
    border-bottom: 1px solid var(--border);
}

.detail-table td {
    padding: 8px 12px;
    border-bottom: 1px solid var(--border);
    color: var(--text);
}

.detail-actions {
    display: flex;
    gap: 8px;
    margin-top: 16px;
}

.detail-actions .btn {
    flex: 1;
}

.detail-stock {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px;
    background: var(--bg);
    border-radius: var(--radius);
    margin-bottom: 16px;
}

.detail-stock-label {
    font-size: 14px;
    color: var(--text-light);
}

.detail-stock-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--text);
}

/* --- 23. Confirm Dialog --- */
.confirm-message {
    font-size: 15px;
    color: var(--text);
    margin-bottom: 16px;
    line-height: 1.6;
}

/* --- 24. Scan Overlay --- */
#scan-overlay {
    z-index: 2000;
    background: #000;
}

#scan-overlay .overlay-content {
    background: #000;
}

.scan-reader {
    width: 100%;
    max-width: 400px;
    aspect-ratio: 1;
    position: relative;
}

.scan-status {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    text-align: center;
    padding: 16px;
}

.scan-close-btn {
    position: absolute;
    top: 16px;
    right: 16px;
    z-index: 10;
    background: rgba(255, 255, 255, 0.2) !important;
    color: var(--white) !important;
}

.scan-close-btn:hover {
    background: rgba(255, 255, 255, 0.35) !important;
}

#scan-overlay .scan-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
    border: none;
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2001;
    transition: background 0.2s;
}

#scan-overlay .scan-close:hover {
    background: rgba(255, 255, 255, 0.35);
}

#scan-overlay .scan-hint {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    text-align: center;
    margin-top: 16px;
}

/* Scan FAB */
.scan-fab {
    position: fixed;
    bottom: 80px;
    right: 24px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--white);
    border: none;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    z-index: 800;
    transition: background 0.2s, transform 0.2s;
}

.scan-fab:hover {
    background: var(--primary-dark);
    transform: scale(1.1);
}

.scan-fab:active {
    transform: scale(0.95);
}

/* --- 25. Numpad Overlay --- */
#numpad-overlay {
    z-index: 2000;
}

#numpad-overlay .overlay-content {
    display: flex;
    flex-direction: column;
}

#numpad-overlay .numpad-header,
#numpad-overlay .overlay-header {
    padding: 16px;
    background: var(--primary-bg);
    border-bottom: 1px solid var(--border);
    text-align: center;
}

.numpad-product-info {
    text-align: center;
    margin-bottom: 16px;
}

.numpad-photo {
    width: 60px;
    height: 60px;
    border-radius: var(--radius);
    object-fit: cover;
    margin: 0 auto 8px;
}

.numpad-product-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    display: block;
}

.numpad-system-stock {
    font-size: 13px;
    color: var(--text-light);
    display: block;
    margin-top: 4px;
}

.numpad-display {
    padding: 24px 16px;
    text-align: center;
    font-size: 48px;
    font-weight: 700;
    color: var(--text);
    line-height: 1.2;
    min-height: 60px;
}

#numpad-overlay .numpad-display .numpad-value {
    font-size: 48px;
    font-weight: 700;
    color: var(--text);
    line-height: 1.2;
    min-height: 60px;
}

#numpad-overlay .numpad-display .numpad-label {
    font-size: 13px;
    color: var(--text-light);
    margin-top: 4px;
}

.numpad-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    padding: 16px;
    flex: 1;
    align-content: start;
}

.numpad-btn {
    min-height: 60px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--white);
    color: var(--text);
    font-size: 22px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s;
    user-select: none;
}

.numpad-btn:hover {
    background: var(--bg);
}

.numpad-btn:active {
    background: var(--border);
}

.numpad-clear {
    color: var(--danger) !important;
    font-size: 16px !important;
}

.numpad-backspace {
    color: var(--text-light) !important;
    font-size: 18px !important;
}

.numpad-confirm {
    background: var(--primary) !important;
    color: var(--white) !important;
    border-color: var(--primary) !important;
}

.numpad-confirm:hover {
    background: var(--primary-dark) !important;
}

.numpad-cancel {
    margin-top: 8px;
}

#numpad-overlay .numpad-actions {
    display: flex;
    gap: 8px;
    padding: 16px;
    border-top: 1px solid var(--border);
    flex-shrink: 0;
}

#numpad-overlay .numpad-actions button {
    flex: 1;
    min-height: 52px;
    border-radius: var(--radius);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: background 0.2s;
}

#numpad-overlay .numpad-actions .numpad-cancel {
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--border);
    margin-top: 0;
}

#numpad-overlay .numpad-actions .numpad-cancel:hover {
    background: var(--border);
}

#numpad-overlay .numpad-actions .numpad-confirm {
    background: var(--primary) !important;
    color: var(--white) !important;
}

#numpad-overlay .numpad-actions .numpad-confirm:hover {
    background: var(--primary-dark) !important;
}

/* --- 26. Badges & Status --- */
.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
    background: var(--danger);
    color: var(--white);
}

.badge:empty {
    display: none;
}

.category-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
    background: var(--bg);
    color: var(--text-light);
}

.badge-consumable {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
    background: var(--primary-bg);
    color: var(--primary);
}

.badge-retail {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
    background: #eff6ff;
    color: #3b82f6;
}

.stock-badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    line-height: 1.5;
}

.stock-badge.stock-ok {
    background: var(--success-bg);
    color: var(--success);
}

.stock-badge.stock-low {
    background: var(--warning-bg);
    color: #d97706;
}

.stock-badge.stock-out {
    background: var(--danger-bg);
    color: var(--danger);
}

/* Transaction type badges */
.type-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
}

.type-badge-receive {
    background: var(--success-bg);
    color: var(--success);
}

.type-badge-use {
    background: #eff6ff;
    color: #3b82f6;
}

.type-badge-sell {
    background: var(--warning-bg);
    color: #d97706;
}

.type-badge-adjust {
    background: #f3f4f6;
    color: var(--secondary);
}

.type-badge-dispose {
    background: var(--danger-bg);
    color: var(--danger);
}

/* Expiry badges */
.expiry-ok {
    color: var(--success);
}

.expiry-warning {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
    background: var(--warning-bg);
    color: #d97706;
}

.expiry-expired {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
    background: var(--danger-bg);
    color: var(--danger);
}

.expiry-normal {
    color: var(--success);
}

.expiry-critical {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
    background: var(--danger-bg);
    color: var(--danger);
}

/* Expiry badge variants (used in report table) */
.expiry-ok-badge,
.expiry-normal-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
    background: var(--success-bg);
    color: var(--success);
}

.expiry-warning-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
    background: var(--warning-bg);
    color: #d97706;
}

.expiry-critical-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
    background: var(--danger-bg);
    color: var(--danger);
}

.expiry-expired-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
    background: var(--danger-bg);
    color: var(--danger);
}

/* Stock report status badges */
.status-zero {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
    background: var(--danger-bg);
    color: var(--danger);
}

.status-low {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
    background: var(--warning-bg);
    color: #d97706;
}

.status-normal {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
    background: var(--success-bg);
    color: var(--success);
}

/* Variance report diff highlight */
.variance-diff {
    background: var(--warning-bg);
}

.variance-diff td {
    font-weight: 600;
}

/* --- 27. Toast --- */
.toast {
    position: fixed;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10000;
    min-width: 280px;
    max-width: 90vw;
    padding: 12px 40px 12px 16px;
    border-radius: 8px;
    font-size: 0.95em;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    animation: toast-in 0.3s ease;
}
.toast.success { background: var(--success-bg); color: var(--success); border: 1px solid #86efac; }
.toast.error { background: var(--danger-bg); color: var(--danger); border: 1px solid #fca5a5; }
.toast.info { background: #eff6ff; color: #1e40af; border: 1px solid #93c5fd; }
.toast-close {
    position: absolute;
    top: 50%;
    right: 10px;
    transform: translateY(-50%);
    background: none;
    border: none;
    font-size: 1.3em;
    cursor: pointer;
    color: inherit;
    padding: 0 4px;
    line-height: 1;
}
@keyframes toast-in {
    from { opacity: 0; transform: translateX(-50%) translateY(-12px); }
    to { opacity: 1; transform: translateX(-50%) translateY(0); }
}
.toast.clickable { cursor: pointer; }
.toast.clickable:hover { filter: brightness(0.95); }

/* --- 28. Photo --- */
.photo-section {
    /* Container for photo input elements */
}

.photo-area {
    border: 2px dashed var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    text-align: center;
    background: var(--bg);
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
    min-height: 120px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.photo-area:hover {
    border-color: var(--primary-light);
    background: var(--primary-bg);
}

.photo-area .photo-placeholder {
    font-size: 36px;
    color: var(--text-light);
    opacity: 0.5;
}

.photo-area .photo-text {
    font-size: 13px;
    color: var(--text-light);
}

.photo-area .photo-preview,
.photo-preview {
    max-width: 200px;
    max-height: 200px;
    border-radius: var(--radius);
    object-fit: cover;
    margin-top: 8px;
}

.photo-area .photo-actions {
    display: flex;
    gap: 8px;
    margin-top: 8px;
}

/* --- 29. Empty State --- */
.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--text-secondary);
}

.empty-state .empty-icon {
    font-size: 48px;
    margin-bottom: 12px;
    opacity: 0.5;
}

.empty-state p {
    font-size: 14px;
    line-height: 1.6;
}

.empty-state .btn {
    margin-top: 16px;
}

/* --- 30. Print Styles --- */
@media print {
    .app-header,
    #main-tab-nav,
    .sub-tab-nav,
    .toolbar,
    .scan-fab,
    #scroll-top-btn,
    #app-info,
    #update-banner,
    #toast,
    .overlay:not(.active),
    #scan-overlay,
    #numpad-overlay,
    .btn,
    .quick-actions {
        display: none !important;
    }

    .tab-content:not(.active) {
        display: none !important;
    }

    .tab-content.active {
        display: block !important;
        padding: 0;
    }

    body {
        background: white;
        color: black;
    }

    .product-card,
    .transaction-item,
    .dashboard-card,
    .settings-section,
    .card {
        box-shadow: none;
        break-inside: avoid;
    }

    .report-table-wrap {
        border: none;
        overflow: visible;
        box-shadow: none;
    }

    .report-table {
        font-size: 11px;
        white-space: normal;
    }

    .report-table th,
    .report-table td {
        border: 1px solid #999;
        padding: 6px 8px;
    }

    .report-table th {
        background: #f0f0f0 !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .report-table tbody tr:nth-child(even) {
        background: none;
    }

    .report-table tbody tr:hover {
        background: none;
    }
}

/* --- 31. Responsive --- */

/* Small devices */
@media (max-width: 480px) {
    .app-header h1 {
        font-size: 15px;
    }

    .tab-content {
        padding: 16px 12px;
    }

    #main-tab-nav .tab-btn {
        padding: 6px 12px;
        font-size: 11px;
    }

    #main-tab-nav .tab-btn .tab-icon {
        font-size: 16px;
    }

    .toolbar {
        gap: 6px;
    }

    .product-card {
        padding: 10px;
        gap: 10px;
    }

    .product-thumb,
    .product-card .product-photo-thumb,
    .product-thumb-placeholder {
        width: 44px;
        height: 44px;
    }

    .dashboard-card .dashboard-card-value {
        font-size: 24px;
    }

    .quick-actions .quick-action-btn {
        min-height: 56px;
        padding: 10px;
        font-size: 12px;
    }

    .numpad-display,
    #numpad-overlay .numpad-display .numpad-value {
        font-size: 36px;
    }

    .numpad-btn,
    #numpad-overlay .numpad-grid button {
        min-height: 52px;
        font-size: 18px;
    }

    .summary-item span:last-child {
        font-size: 20px;
    }
}

/* Tablet and up */
@media (min-width: 768px) {
    .app-header {
        padding: 0 24px;
    }

    .app-header h1 {
        font-size: 18px;
    }

    .tab-content {
        padding: 32px 24px;
        max-width: 960px;
        margin: 0 auto;
    }

    .product-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .product-grid .product-card {
        margin-bottom: 0;
    }

    .dashboard-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .dashboard-grid .dashboard-card {
        margin-bottom: 0;
    }

    .toolbar {
        flex-wrap: nowrap;
    }

    .toolbar .primary-btn {
        flex: 0 0 auto;
        width: auto;
    }

    .quick-actions .quick-action-btn {
        flex: 1 1 auto;
        min-width: 100px;
    }

    .overlay-content {
        max-width: 600px;
        box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
    }

    #numpad-overlay .overlay-content {
        max-width: 400px;
        position: absolute;
        top: 10%;
        bottom: 10%;
        left: 50%;
        right: auto;
        transform: translateX(-50%);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-lg);
    }

    .settings-section {
        padding: 24px;
    }

    .overlay-body {
        padding: 24px;
    }

    .filter-bar {
        flex-wrap: nowrap;
    }
}

/* Large screens */
@media (min-width: 1024px) {
    .tab-content {
        max-width: 1100px;
    }

    .product-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .dashboard-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}