:root {
    --color-main: #171717;
    --color-second: #fff;
    --color-action: #fff;
    --color-main-light: #f5f5f5;
    --color-main-dark: #0a0a0a;
    --color-second-light: #1ed7e1;
    --color-second-dark: #09b0b9;
    --color-action-light: #ff9179;
    --color-action-dark: #e46b59;
    --color-text-primary: #000;
    --color-text-secondary: #000;
    --color-text-muted: #000;
    --color-text-dark: #000;
    --color-bg-primary: #fff;
    --color-bg-secondary: #fff;
    --color-bg-card: #fff;
    --color-bg-hover: #fff;
    --color-bg-light: #f5f5f5;
    --color-border: #000;
    --color-border-light: #000;
    --color-success: #10b981;
    --color-error: #ef4444;
    --color-warning: #f59e0b;
    --color-info: var(--color-second);
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    --sidebar-width: 280px;
    --header-height: 80px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.loading-screen,
.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    color: var(--color-text-secondary);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--color-border);
    border-top-color: var(--color-second);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }
h5 { font-size: var(--font-size-base); }
h6 { font-size: var(--font-size-sm); }

p {
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--color-main);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-second-light);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: 500;
    line-height: 1.5;
    text-align: center;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

.hidden{
    display: none !important;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background-color: var(--color-second);
    color: var(--color-text-dark);
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--color-second-light);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: var(--color-bg-secondary);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--color-bg-hover);
}

.btn-action {
    background-color: var(--color-action);
    color: var(--color-text-primary);
}

.btn-action:hover:not(:disabled) {
    background-color: var(--color-action-light);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-block {
    display: flex;
    width: 100%;
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
}

.form-input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-second);
    box-shadow: 0 0 0 3px rgba(10, 199, 209, 0.1);
}

.trinfos:not(.emptyrow):hover td:not(.number-cell):not(.quantity-cell):not(.status-cell){ 
    background-color: rgba(16, 185, 129, 0.1); 
}
.trinfos:not(.emptyrow):active td:not(.number-cell):not(.quantity-cell):not(.status-cell){ 
    background-color: rgba(16, 185, 129, 0.1); 
}

.emptyrow td:not(.number-cell):not(.quantity-cell):not(.status-cell){ 
    background-color: #7030a0; 
    color: #fff;
}

.form-input::placeholder {
    color: var(--color-text-muted);
}

.alert {
    position: relative;
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    line-height: 1.5;
    border: 1px solid transparent;
    transition: all var(--transition-base);
}

.alert-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 2px;
}

.alert-icon-svg {
    width: 20px;
    height: 20px;
}

.alert-content {
    flex: 1;
    min-width: 0;
}

.alert-title {
    font-weight: 600;
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-xs);
    line-height: 1.4;
}

.alert-message {
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.alert-action {
    flex-shrink: 0;
    margin-left: auto;
}

.alert-action .btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-sm);
}

.alert-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: transparent;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    opacity: 0.7;
    transition: opacity var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.alert-close:hover {
    opacity: 1;
}

.alert-dismissible {
    padding-right: var(--spacing-2xl);
}

.alert-default {
    background-color: var(--color-bg-card);
    border-color: var(--color-border);
    color: var(--color-text-primary);
}

.alert-default .alert-icon {
    color: var(--color-main);
}

.alert-default .alert-message {
    color: var(--color-text-secondary);
}

.alert-success {
    background-color: rgba(16, 185, 129, 0.1);
    border-color: var(--color-success);
    color: var(--color-success);
}

.alert-success .alert-icon {
    color: var(--color-success);
}

.alert-success .alert-message {
    color: rgba(16, 185, 129, 0.9);
}

.alert-success .alert-title {
    color: var(--color-success);
}

.alert-error {
    background-color: rgba(239, 68, 68, 0.1);
    border-color: var(--color-error);
    color: var(--color-error);
}

.alert-error .alert-icon {
    color: var(--color-error);
}

.alert-error .alert-message {
    color: rgba(239, 68, 68, 0.9);
}

.alert-error .alert-title {
    color: var(--color-error);
}

.alert-warning {
    background-color: rgba(245, 158, 11, 0.1);
    border-color: var(--color-warning);
    color: var(--color-warning);
}

.alert-warning .alert-icon {
    color: var(--color-warning);
}

.alert-warning .alert-message {
    color: rgba(245, 158, 11, 0.9);
}

.alert-warning .alert-title {
    color: var(--color-warning);
}

.alert-info {
    background-color: rgba(10, 199, 209, 0.1);
    border-color: var(--color-info);
    color: var(--color-info);
}

.alert-info .alert-icon {
    color: var(--color-info);
}

.alert-info .alert-message {
    color: rgba(10, 199, 209, 0.9);
}

.alert-info .alert-title {
    color: var(--color-info);
}

.alert-container {
    position: fixed;
    top: var(--spacing-xl);
    right: var(--spacing-xl);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    max-width: 420px;
    width: 100%;
    pointer-events: none;
}

.alert-notification {
    pointer-events: all;
    opacity: 0;
    transform: translateX(100%);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-xl);
}

.alert-notification.show {
    opacity: 1;
    transform: translateX(0);
}

.alert-notification.hide {
    opacity: 0;
    transform: translateX(100%);
}

.btn.loading {
    position: relative;
    color: transparent !important;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

.btn-primary.loading::after {
    border-top-color: var(--color-text-dark);
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@media (max-width: 768px) {
    .alert {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .alert-action {
        margin-left: 0;
        width: 100%;
    }
    
    .alert-action .btn {
        width: 100%;
    }
    
    .alert-container {
        top: var(--spacing-md);
        right: var(--spacing-md);
        left: var(--spacing-md);
        max-width: none;
    }
}

.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--color-main) 0%, var(--color-main-light) 100%);
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: var(--spacing-lg);
}

.login-card {
    background-color: var(--color-bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-xl);
}

.login-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.login-header h1 {
    color: var(--color-main);
    margin-bottom: var(--spacing-sm);
}

.login-header p {
    color: var(--color-text-secondary);
    margin-bottom: 0;
}

.login-form {
    margin-bottom: var(--spacing-lg);
}

.login-footer {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.login-footer p {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin: 0;
}

.dashboard-wrapper {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: var(--sidebar-width);
    background-color: var(--color-bg-secondary);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.sidebar-header {
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--color-border);
}

.sidebar-header h2 {
    color: var(--color-main);
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xs);
}

.user-info {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    margin: 0;
}

.sidebar-nav {
    flex: 1;
    padding: var(--spacing-lg);
    overflow-y: auto;
}

.nav-section {
    margin-bottom: var(--spacing-xl);
}

.nav-section h3 {
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
    letter-spacing: 0.05em;
}

.file-list {
    list-style: none;
}

.file-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
    margin-bottom: var(--spacing-xs);
}

.file-link:hover {
    background-color: var(--color-bg-hover);
    color: var(--color-text-primary);
}

.file-link.active {
    background-color: var(--color-second);
    color: var(--color-text-dark);
}

.file-icon {
    font-size: var(--font-size-lg);
}

.file-name {
    flex: 1;
    font-size: var(--font-size-sm);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.file-date {
    font-size: var(--font-size-xs);
    opacity: 0.7;
}

.no-files {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    padding: var(--spacing-md);
    text-align: center;
}

.sidebar-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.main-content {
    flex: 1;
    margin-left: 0;
    display: flex;
    flex-direction: column;
}

.content-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-xl);
    background-color: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.header-left h1 {
    margin-bottom: var(--spacing-xs);
}

.subtitle {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    margin: 0;
}

.subtitle strong {
    color: var(--color-main);
}

.last-updated {
    margin-left: var(--spacing-md);
    color: var(--color-text-muted);
}

.refresh-icon {
    font-size: var(--font-size-lg);
}

.content-body {
    flex: 1;
    padding: var(--spacing-xl);
    overflow: auto;
}

.sheet-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    margin-bottom: 0;
}

.table-edit-container {
    display: flex;
    gap: var(--spacing-lg);
    align-items: flex-start;
}

.edit-panel-left {
    width: 320px;
    min-width: 320px;
    background-color: var(--color-bg-card);
    border: 2px solid var(--color-second);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    position: sticky;
    top: var(--spacing-lg);
}

.table-wrapper {
    flex: 1;
    min-width: 0;
}

.edit-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.edit-panel-header h3 {
    margin: 0;
    color: var(--color-main);
    font-size: var(--font-size-lg);
}

.btn-close {
    background: transparent;
    border: none;
    color: var(--color-text-muted);
    font-size: var(--font-size-xl);
    cursor: pointer;
    padding: var(--spacing-xs);
    line-height: 1;
    transition: color var(--transition-fast);
}

.btn-close:hover {
    color: var(--color-error);
}

.edit-panel-body {
    padding: var(--spacing-lg);
}

.edit-info-vertical {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background-color: var(--color-bg-secondary);
    border-radius: var(--radius-md);
}

.info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xs) 0;
}

.info-row:not(:last-child) {
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--spacing-xs);
    padding-bottom: var(--spacing-sm);
}

.edit-label {
    font-weight: 600;
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

.edit-value {
    color: var(--color-main);
    font-weight: 600; 
}

.edit-controls-vertical {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-group-vertical {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-group-vertical label {
    font-weight: 600;
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

.form-input-block {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text-primary);
    background-color: var(--color-bg-secondary);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.form-input-block:focus {
    outline: none;
    border-color: var(--color-second);
    box-shadow: 0 0 0 3px rgba(10, 199, 209, 0.1);
}

.toggle-large {
    width: 60px;
    height: 32px;
}

.toggle-large .toggle-slider:before {
    height: 24px;
    width: 24px;
    left: 4px;
    bottom: 4px;
}

.toggle-large input:checked + .toggle-slider:before {
    transform: translateX(28px);
}

.sheet-name {
    font-weight: 600;
    color: var(--color-main);
    font-size: var(--font-size-base);
}

.sheet-stats {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.table-responsive {
    overflow-x: auto;
    background-color: var(--color-bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.table-responsive:has(.sheet-info) {
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.excel-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm); 
}

.excel-table thead {
    background-color: var(--color-bg-secondary);
    position: sticky;
    top: 0;
    z-index: 10;
}

.excel-table thead tr.column-letters th {
    padding: var(--spacing-xs) var(--spacing-sm);
    text-align: center;
    font-weight: 500;
    color: var(--color-text-muted);
    background-color: var(--color-main-light);
    border-right: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    font-size: var(--font-size-xs);
}

.column-letter {
    font-weight: 600;
    color: var(--color-main);
}

.excel-table thead tr.column-names th {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    font-weight: 600;
    color: var(--color-text-primary);
    border-right: 1px solid var(--color-border);
    border-bottom: 2px solid var(--color-border);
    white-space: nowrap;
}

.edit-column-header {
    text-align: center !important;
    background-color: var(--color-action) !important;
    color: var(--color-text-primary) !important;
    font-weight: 700 !important;
    min-width: 100px;
    position: sticky;
    z-index: 11;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: var(--font-size-sm);
}

.column-names .edit-column-header:first-child {
    left: 0;
}

.column-names .edit-column-header:nth-child(1) {
    left: 0px;
}
.column-names .edit-column-header:nth-child(2) {
    left: 100px;
}
.column-names .edit-column-header:nth-child(3) {
    left: 200px;
}

.row-number-header {
    width: 60px;
    min-width: 60px;
    text-align: center !important;
    background-color: var(--color-main-light) !important;
    color: var(--color-main) !important;
    font-weight: 600 !important;
    position: sticky;
    left: 200px;
    z-index: 11;
}

.row-number-cell {
    width: 60px;
    min-width: 60px;
    text-align: center;
    font-weight: 600;
    color: var(--color-main);
    background-color: var(--color-bg-secondary);
    border-right: 2px solid var(--color-border);
    position: sticky;
    left: 200px;
    z-index: 5;
}

.excel-cell {
    padding: var(--spacing-sm) var(--spacing-md);
    border-right: 1px solid var(--color-border-light);
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    white-space: nowrap;
}

.excel-table td {
    padding: var(--spacing-sm) var(--spacing-md);
    border-right: 1px solid var(--color-border-light);
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    background-color: #fff;
}

.excel-table tbody tr {
    transition: all var(--transition-fast);
}

.table-row-clickable {
    cursor: pointer;
}

.table-row-clickable:hover {
    background-color: var(--color-bg-hover);
}

.table-row-clickable:hover .row-number-cell {
    background-color: var(--color-bg-hover);
}

.table-row-selected {
    background-color: rgba(10, 199, 209, 0.15) !important;
}

.table-row-selected .row-number-cell {
    background-color: rgba(10, 199, 209, 0.2) !important;
    color: var(--color-main) !important;
    font-weight: 700;
}

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

.actions-header {
    text-align: center !important;
    min-width: 100px;
    border-right: none !important;
}

.number-cell {
    min-width: 100px;
    padding: var(--spacing-xs) !important;
    position: sticky;
    left: 0;
    z-index: 5;
    background-color: #fff;
}

.quantity-cell {
    min-width: 100px;
    padding: var(--spacing-xs) !important;
    position: sticky;
    left: 100px;
    z-index: 5;
    background-color: #fff;
}

.quantity-input {
    width: 100%;
    height: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-main);
    background-color: var(--color-bg-secondary);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    text-align: center;
    transition: all var(--transition-base);
}

.quantity-input:hover {
    border-color: var(--color-main);
    background-color: var(--color-bg-hover);
}

.quantity-input:focus {
    outline: none;
    background-color: var(--color-bg-card);
    border-color: var(--color-main);
    box-shadow: 0 0 0 3px rgba(10, 199, 209, 0.2);
    color: var(--color-text-primary);
}

.quantity-input::-webkit-inner-spin-button,
.quantity-input::-webkit-outer-spin-button {
    opacity: 1;
    height: 30px;
}

.quantity-input::-webkit-inner-spin-button:hover,
.quantity-input::-webkit-outer-spin-button:hover {
    background-color: rgba(10, 199, 209, 0.2);
}

.status-cell {
    text-align: center;
    min-width: 100px;
    padding: var(--spacing-sm) !important;
    position: sticky;
    left: 200px;
    z-index: 5;
    background-color: var(--color-bg-card);
}

.status-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.status-active {
    background-color: rgba(16, 185, 129, 0.2);
    color: var(--color-success);
}

.status-inactive {
    background-color: rgba(239, 68, 68, 0.2);
    color: var(--color-error);
}


.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--color-text-muted);
}

.empty-state h2 {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}


@media (max-width: 1024px) {
    :root {
        --sidebar-width: 240px;
    }
}

@media (max-width: 768px) {
    .dashboard-wrapper {
        flex-direction: column;
    }
    
    .sidebar {
        position: relative;
        width: 100%;
        height: auto;
        border-right: none;
        border-bottom: 1px solid var(--color-border);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .content-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .header-right {
        width: 100%;
    }
    
    .btn-block {
        width: 100%;
    }
    
    .excel-table {
        font-size: var(--font-size-xs);
    }
    
    .excel-table th,
    .excel-table td {
        padding: var(--spacing-xs) var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    :root {
        --font-size-3xl: 1.5rem;
        --font-size-2xl: 1.25rem;
        --spacing-xl: 1.5rem;
        --spacing-2xl: 2rem;
    }
    
    .login-card {
        padding: var(--spacing-xl);
    }
    
    .content-body {
        padding: var(--spacing-md);
    }
    
    .table-responsive {
        border-radius: var(--radius-md);
    }
}


@media print {
    .sidebar,
    .content-header,
    .btn {
        display: none;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .excel-table {
        font-size: 10pt;
    }
    
    .excel-table thead {
        background-color: #f0f0f0 !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
}


.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }


.btn-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-lg);
}


.toggle-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

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

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-border);
    transition: var(--transition-base);
    border-radius: 24px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: var(--transition-base);
    border-radius: 50%;
}

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

.toggle-switch input:checked + .toggle-slider:before {
    transform: translateX(20px);
}

.toggle-switch input:disabled + .toggle-slider {
    opacity: 0.5;
    cursor: not-allowed;
}

.toggle-switch input:focus + .toggle-slider {
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
}


.actions-cell {
    text-align: center;
    white-space: nowrap;
    border-right: none !important;
}


.excel-table tbody tr.row-saved {
    background-color: rgba(16, 185, 129, 0.1);
    animation: fadeRowHighlight 2s ease;
}

@keyframes fadeRowHighlight {
    0% {
        background-color: rgba(16, 185, 129, 0.3);
    }
    100% {
        background-color: transparent;
    }
}