/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #4a5568;
    --secondary-color: #718096;
    --background-color: #f7fafc;
    --white: #ffffff;
    --gray-light: #e2e8f0;
    --gray-medium: #cbd5e0;
    --gray-dark: #2d3748;
    --text-color: #2d3748;
    --border-color: #e2e8f0;
    --success-color: #48bb78;
    --danger-color: #f56565;
    --warning-color: #ed8936;
    --sidebar-width: 250px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-color);
    background-color: var(--background-color);
    line-height: 1.5;
    font-size: 14px;
}

/* Login Page */
.login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #f7fafc 0%, #e2e8f0 100%);
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.login-box {
    background: var(--white);
    border-radius: 8px;
    padding: 40px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.logo-section {
    text-align: center;
    margin-bottom: 30px;
}

.company-logo h1 {
    font-size: 32px;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.app-logo h2 {
    font-size: 20px;
    color: var(--secondary-color);
    font-weight: 500;
}

.login-form .form-group {
    margin-bottom: 20px;
}

.login-form label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: var(--text-color);
}

.login-form input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
}

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

.login-links {
    text-align: center;
    margin-top: 15px;
}

.login-links a {
    color: var(--secondary-color);
    text-decoration: none;
    font-size: 14px;
}

.login-links a:hover {
    text-decoration: underline;
}

/* App Container */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--white);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
}

.sidebar-header {
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-header h2 {
    font-size: 18px;
    color: var(--primary-color);
}

.sidebar-menu {
    flex: 1;
    overflow-y: auto;
    padding: 8px 0;
}

.sidebar-menu ul {
    list-style: none;
}

.sidebar-menu li {
    margin: 1px 0;
}

.sidebar-menu a {
    display: block !important;
    padding: 9px 16px;
    color: var(--text-color);
    text-decoration: none;
    transition: background-color 0.2s;
    font-size: 14px;
}

.sidebar-menu a:hover {
    background-color: var(--gray-light);
}

.sidebar-menu a.active {
    background-color: var(--primary-color);
    color: var(--white);
}

.sidebar-menu .icon {
    display: inline-block;
    margin-right: 8px;
    font-size: 16px;
}

.sidebar-footer {
    border-top: 1px solid var(--border-color);
    padding: 12px;
    font-size: 13px;
}

.user-info {
    margin-bottom: 10px;
}

.user-info strong {
    display: block;
    font-size: 14px;
    color: var(--text-color);
}

.user-info small {
    font-size: 12px;
    color: var(--secondary-color);
}

.btn-logout {
    display: block;
    width: 100%;
    padding: 8px;
    text-align: center;
    background-color: var(--gray-light);
    color: var(--text-color);
    text-decoration: none;
    border-radius: 4px;
    font-size: 14px;
    transition: background-color 0.2s;
}

.btn-logout:hover {
    background-color: var(--gray-medium);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 20px;
}

.content-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border-color);
}

.content-header h1 {
    font-size: 22px;
    color: var(--primary-color);
}

.content-body {
    background: var(--white);
    border-radius: 8px;
    padding: 16px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.welcome-message {
    text-align: center;
    padding: 40px 20px;
}

.welcome-message h2 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.welcome-message p {
    color: var(--secondary-color);
}

/* Buttons */
.btn {
    padding: 8px 16px;
    border: none;
    border-radius: 4px;
    font-size: 13px;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: background-color 0.2s;
}

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

.btn-primary:hover {
    background-color: var(--gray-dark);
}

.btn-secondary {
    background-color: var(--gray-light);
    color: var(--text-color);
}

.btn-secondary:hover {
    background-color: var(--gray-medium);
}

.btn-danger {
    background-color: var(--danger-color);
    color: var(--white);
}

.btn-danger:hover {
    background-color: #e53e3e;
}

.btn-small {
    padding: 5px 12px;
    font-size: 12px;
    margin: 0 2px;
}

/* Tables */
.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

table thead {
    background-color: var(--gray-light);
}

table th {
    padding: 8px 10px;
    text-align: left;
    font-weight: 600;
    font-size: 13px;
    color: var(--text-color);
    border-bottom: 2px solid var(--border-color);
}

table th.sortable {
    cursor: pointer;
    user-select: none;
}

table th.sortable:hover {
    background-color: var(--background-color);
}

table th .sort-icon {
    font-size: 10px;
    color: var(--gray-medium);
    margin-left: 4px;
}

table th.sort-asc .sort-icon::after {
    content: ' ↑';
    color: var(--primary-color);
    font-size: 14px;
}

table th.sort-desc .sort-icon::after {
    content: ' ↓';
    color: var(--primary-color);
    font-size: 14px;
}

table td {
    padding: 8px 10px;
    font-size: 13px;
    border-bottom: 1px solid var(--border-color);
}

table tbody tr:hover {
    background-color: var(--background-color);
}

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

table a:hover {
    text-decoration: underline;
}

/* Forms */
.form-group {
    margin-bottom: 12px;
}

.form-group label {
    display: block;
    margin-bottom: 4px;
    font-weight: 500;
    font-size: 12px;
    color: var(--text-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 6px 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 13px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group small {
    display: block;
    margin-top: 5px;
    font-size: 12px;
    color: var(--secondary-color);
}

.form-row {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.form-row .form-group {
    flex: 1 1 calc(50% - 8px);
}

/* Form row with 5 equal fields */
.form-row.form-row-5 .form-group {
    flex: 1 1 calc(20% - 12px);
    min-width: 0;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    overflow-y: hidden;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: var(--white);
    border-radius: 8px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    margin: 20px;
    display: flex;
    flex-direction: column;
}

.modal-content form {
    overflow-y: auto;
    padding: 16px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
    font-size: 17px;
    color: var(--primary-color);
}

.modal-header .close {
    font-size: 26px;
    font-weight: bold;
    color: var(--secondary-color);
    cursor: pointer;
    line-height: 1;
}

.modal-header .close:hover {
    color: var(--text-color);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
    margin-top: 15px;
}

/* Error Message */
.error-message {
    background-color: #fed7d7;
    color: #c53030;
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 15px;
    font-size: 14px;
}

/* Form validation errors */
.error {
    display: none;
    color: #ffffff;
    background-color: #e53e3e;
    font-size: 12px;
    margin-top: 4px;
    padding: 6px 10px;
    border-radius: 4px;
    font-weight: 500;
}

.error:empty {
    display: none !important;
}

/* Success Message */
.success-message {
    background-color: #c6f6d5;
    color: #22543d;
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 15px;
    font-size: 14px;
}

/* Badge */
.badge {
    display: inline-block;
    padding: 2px 6px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 500;
}

.badge-success {
    background-color: #c6f6d5;
    color: #22543d;
}

.badge-danger {
    background-color: #fed7d7;
    color: #c53030;
}

.badge-warning {
    background-color: #feebc8;
    color: #c05621;
}

.badge-info {
    background-color: #bee3f8;
    color: #2c5282;
}

.badge-blue {
    background-color: #bee3f8;
    color: #2c5282;
}

.badge-green {
    background-color: #c6f6d5;
    color: #22543d;
}

/* Checkbox group */
.checkbox-group {
    display: flex;
    gap: 20px;
    align-items: center;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    margin-bottom: 0;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    margin: 0;
}

/* Modal large */
.modal-large {
    max-width: 1400px;
    height: 95vh;
    max-height: 95vh;
}

.modal-large .modal-content {
    height: 100%;
    max-height: 100%;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.modal-large .modal-header {
    flex-shrink: 0;
}

.modal-large .tabs {
    flex-shrink: 0;
}

.modal-large .modal-footer {
    flex-shrink: 0;
    padding: 12px 16px;
    margin: 0;
}

.modal-large form {
    flex: 1 1 auto;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 12px 16px;
    padding-right: 10px;
    min-height: 0;
}

.modal-large .form-group {
    margin-bottom: 10px;
}

.modal-large .form-group label {
    font-size: 12px;
    margin-bottom: 3px;
}

.modal-large .form-control {
    padding: 5px 8px;
    font-size: 13px;
}

.modal-large textarea.form-control {
    resize: vertical;
    font-family: inherit;
    line-height: 1.4;
}

.modal-large .form-row {
    gap: 10px;
}

.modal-large .form-row .form-group {
    flex: 1 1 calc(33.333% - 7px);
}

/* Modal override: force 5-equal columns when a form-row uses .form-row-5 inside modal */
.modal-large .form-row.form-row-5 .form-group {
    flex: 1 1 calc(20% - 12px);
    min-width: 0;
}

/* Compact form rows for modal */
.form-row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.form-row-full {
    display: block;
}

/* Filters section */
.filters-section {
    margin-bottom: 20px;
    padding: 20px;
    background: var(--white);
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.filters-group {
    display: flex;
    gap: 15px;
    align-items: center;
    flex-wrap: wrap;
}

.filters-group .form-control {
    flex: 1;
    min-width: 200px;
}

.filters-group .checkbox-label {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    user-select: none;
    font-size: 13px;
    white-space: nowrap;
}

.filters-group .checkbox-label input[type="checkbox"] {
    cursor: pointer;
    width: 16px;
    height: 16px;
}

.filters-group .btn {
    white-space: nowrap;
}

/* Notifications */
.notification {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 15px 20px;
    background: var(--white);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 10000;
    opacity: 0;
    transform: translateX(400px);
    transition: all 0.3s ease;
    max-width: 400px;
}

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

.notification-success {
    border-left: 4px solid var(--success-color);
    background: #f0fff4;
}

.notification-error {
    border-left: 4px solid var(--danger-color);
    background: #fff5f5;
}

.notification-info {
    border-left: 4px solid var(--primary-color);
    background: var(--background-color);
}

/* Linie Projektowe */
#linieProjectoweList {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 8px;
    margin-bottom: 10px;
}

.linia-projektowa-item {
    display: flex;
    gap: 6px;
    align-items: center;
    background: #f8f9fa;
    padding: 6px 10px;
    border-radius: 4px;
    border: 1px solid #e2e8f0;
}

.linia-projektowa-input {
    flex: 1;
    border: none;
    background: transparent;
    padding: 4px;
    font-size: 13px;
}

.linia-projektowa-input:focus {
    outline: none;
    background: white;
    border-radius: 3px;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 14px;
}

.btn-icon-sm {
    background: none;
    border: none;
    color: #cbd5e0;
    cursor: pointer;
    font-size: 20px;
    line-height: 1;
    padding: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s;
}

.btn-icon-sm:hover {
    color: var(--danger-color);
}

/* Form hints */
.form-hint {
    display: block;
    font-size: 12px;
    color: var(--secondary-color);
    margin-top: 4px;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 4px;
    border-bottom: 2px solid var(--border-color);
    padding: 0 16px;
    background: var(--background-color);
}

.tab-button {
    padding: 10px 20px;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    color: var(--secondary-color);
    transition: all 0.2s;
    margin-bottom: -2px;
}

.tab-button:hover {
    color: var(--primary-color);
    background: rgba(74, 85, 104, 0.05);
}

.tab-button.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Faktura tab with flex layout for sticky footer */
#tab-faktury {
    display: none;
    flex-direction: column;
    height: 100%;
}

#tab-faktury.active {
    display: flex;
}

/* Autocomplete suggestions */
.autocomplete-suggestions {
    position: absolute;
    background: var(--white);
    border: 1px solid var(--border-color);
    border-top: none;
    max-height: 250px;
    max-width: 600px;
    overflow-y: auto;
    overflow-x: hidden;
    width: 100%;
    z-index: 10000;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    display: none;
}

.autocomplete-suggestions.active {
    display: block;
}

.autocomplete-suggestion {
    padding: 8px 12px;
    cursor: pointer;
    font-size: 13px;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.autocomplete-suggestion:last-child {
    border-bottom: none;
}

.autocomplete-suggestion:hover {
    background: var(--background-color);
}

.autocomplete-suggestion.selected {
    background: var(--primary-color);
    color: var(--white);
}

/* Szczegóły - form grid layout */
.form-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    padding: 15px 0;
}

.form-grid .form-group {
    margin: 0;
}

.form-grid .form-group label {
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 5px;
    display: block;
    color: #2c3e50;
}

.form-grid .form-group input,
.form-grid .form-group select,
.form-grid .form-group textarea {
    width: 100%;
    padding: 8px 10px;
    font-size: 13px;
    border: 1px solid #ddd;
    border-radius: 4px;
    transition: border-color 0.2s;
}

.form-grid .form-group input:focus,
.form-grid .form-group select:focus,
.form-grid .form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(74, 144, 226, 0.1);
}

.form-grid .form-group textarea {
    min-height: 80px;
    resize: vertical;
    font-family: inherit;
}

/* Full-width fields in grid (for textarea or special fields) */
.form-grid .form-group.full-width {
    grid-column: 1 / -1;
}

@media (max-width: 1200px) {
    .form-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
}

/* Zamówienia (CPO) - Split View */
.zamowienia-split-view {
    display: grid;
    grid-template-columns: 67% 33%;
    gap: 20px;
    min-height: 500px;
    max-height: 700px;
    margin-top: 10px;
    overflow: hidden;
}

.zamowienia-list {
    border-right: 1px solid var(--border-color);
    padding-right: 15px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    max-height: 700px;
}

.zamowienia-list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border-color);
}

.zamowienia-list-header h3 {
    margin: 0;
    font-size: 16px;
    color: var(--text-color);
    font-weight: 600;
}

.zamowienia-group {
    margin-bottom: 20px;
}

.zamowienia-group-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    font-weight: 600;
    color: var(--secondary-color);
    text-transform: uppercase;
    margin-bottom: 8px;
    padding: 8px 10px;
    background: #f7fafc;
    border-radius: 4px;
    letter-spacing: 0.5px;
}

.zamowienia-group-header .group-title {
    flex: 1;
}

.zamowienia-group-header .group-summary {
    font-size: 12px;
    font-weight: 500;
    color: var(--success-color);
}

.zamowienie-item {
    background: white;
    border-left: 3px solid transparent;
    padding: 8px 12px;
    margin-bottom: 2px;
    cursor: pointer;
    transition: all 0.15s;
    display: grid;
    grid-template-columns: 30px 2fr 3fr 1fr 1.2fr 1fr;
    gap: 10px;
    align-items: center;
    font-size: 13px;
}

.zamowienie-item:hover {
    border-left-color: var(--primary-color);
    background: #f7fafc;
}

.zamowienie-item.active {
    border-left-color: var(--primary-color);
    background: #f0f4f8;
}

.zamowienie-item-status {
    font-size: 18px;
    text-align: center;
    line-height: 1;
}

.zamowienie-item-numer {
    font-weight: 600;
    color: var(--text-color);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.zamowienie-item-opis {
    color: var(--secondary-color);
    font-size: 12px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.zamowienie-item-data {
    color: var(--gray-dark);
    font-size: 12px;
    text-align: center;
}

.zamowienie-item-zakup {
    color: var(--gray-dark);
    font-size: 12px;
    text-align: center;
}

.zamowienie-item-wartosc {
    color: var(--success-color);
    font-weight: 600;
    text-align: right;
}

.zamowienia-summary {
    margin-top: auto;
    padding-top: 15px;
    border-top: 2px solid var(--border-color);
    background: white;
    border-radius: 6px;
    padding: 15px;
}

.zamowienia-summary h4 {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.zamowienia-summary-item {
    display: flex;
    justify-content: space-between;
    padding: 6px 0;
    font-size: 13px;
}

.zamowienia-summary-item .label {
    color: var(--secondary-color);
    font-weight: 500;
}

.zamowienia-summary-item .value {
    color: var(--success-color);
    font-weight: 700;
}

.zamowienia-form {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 15px;
}

.zamowienia-form-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border-color);
}

.zamowienia-form-header h3 {
    margin: 0;
    font-size: 15px;
    color: var(--text-color);
    font-weight: 600;
}

.zamowienia-form-actions {
    display: flex;
    gap: 8px;
    margin-top: 15px;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
    flex-wrap: wrap;
}

.zamowienia-form-actions .btn {
    font-size: 12px;
    padding: 8px 12px;
}

/* Zamowienia/Faktury Detail Panel */
.zamowienia-detail {
    display: flex;
    flex-direction: column;
    max-height: 700px;
    overflow: hidden;
}

.zamowienia-detail-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 15px;
    background: #f7fafc;
    border-bottom: 2px solid var(--border-color);
    border-radius: 6px 6px 0 0;
}

.zamowienia-detail-header h3 {
    margin: 0;
    font-size: 15px;
    color: var(--text-color);
    font-weight: 600;
}

.zamowienia-detail-content {
    flex: 1;
    overflow-y: auto;
    padding: 15px;
    background: white;
}

@media (max-width: 1200px) {
    .zamowienia-split-view {
        grid-template-columns: 1fr;
        height: auto;
    }
    
    .zamowienia-list {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding-right: 0;
        padding-bottom: 15px;
        margin-bottom: 15px;
        max-height: 300px;
    }
}

/* Podsumowanie styles */
.podsumowanie-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
    font-size: 12px;
}

.podsumowanie-table thead {
    background: #f7fafc;
}

.podsumowanie-table th {
    padding: 6px 10px;
    text-align: left;
    font-weight: 600;
    color: #2d3748;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    border-bottom: 1px solid #e2e8f0;
}

.podsumowanie-table td {
    padding: 6px 10px;
    border-bottom: 1px solid #f7fafc;
    font-size: 12px;
}

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

.podsumowanie-table tbody tr:hover {
    background: #f7fafc;
}

.podsumowanie-table .positive {
    color: #48bb78;
    font-weight: 600;
}

.podsumowanie-table .negative {
    color: #f56565;
    font-weight: 600;
}

/* ============================================
   MOBILE RESPONSIVE STYLES
   ============================================ */

/* Mobile menu toggle button */
.mobile-menu-toggle {
    display: none;
    position: fixed;
    top: 15px;
    left: 15px;
    z-index: 1001;
    background: var(--primary-color);
    color: white;
    border: none;
    width: 45px;
    height: 45px;
    border-radius: 8px;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    padding: 0;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: white;
    border-radius: 2px;
    transition: all 0.3s;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Mobile overlay */
.mobile-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
}

.mobile-overlay.active {
    display: block;
}

/* Hide desktop-only menu items on mobile */
.sidebar-menu .desktop-only {
    display: block;
}

.sidebar-menu .mobile-only {
    display: none;
}

/* Page title - hidden on desktop, shown on mobile next to hamburger */
.page-title {
    display: none;
}

@media (max-width: 768px) {
    /* Show mobile menu toggle */
    .mobile-menu-toggle {
        display: flex;
    }
    
    /* Sidebar transforms */
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 1000;
        box-shadow: 2px 0 8px rgba(0,0,0,0.1);
    }
    
    .sidebar.mobile-active {
        transform: translateX(0);
    }
    
    /* Main content takes full width */
    .main-content {
        margin-left: 0;
        padding: 70px 15px 15px 15px;
    }
    
    /* Content header adjustments - hide on mobile, title goes to top bar */
    .content-header {
        display: none;
    }
    
    /* Mobile page title next to hamburger */
    .page-title {
        display: flex !important;
        align-items: center;
        position: fixed;
        top: 0;
        left: 70px;
        right: 0;
        height: 60px;
        margin: 0;
        padding: 0 15px;
        font-size: 18px;
        font-weight: 600;
        color: var(--text-color);
        background: white;
        border-bottom: 1px solid var(--border-color);
        z-index: 998;
        overflow: visible;
    }
    
    /* Hide desktop-only menu items */
    .sidebar-menu .desktop-only {
        display: none;
    }
    
    .sidebar-menu .mobile-only {
        display: block;
    }
    
    /* Stack forms vertically on mobile */
    .form-row {
        flex-direction: column;
    }
    
    .form-row .form-group {
        width: 100%;
    }
    
    /* Tables scroll horizontally */
    .table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    /* Buttons stack on mobile */
    .button-group {
        flex-direction: column;
        gap: 10px;
    }
    
    .button-group .btn {
        width: 100%;
    }
    
    /* Filter sections wrap better */
    .filters-group {
        flex-wrap: wrap;
    }
    
    /* Modals take full screen on mobile */
    .modal-content {
        width: 95%;
        max-width: 95%;
        margin: 20px auto;
        max-height: 90vh;
    }
    
    /* Search input full width */
    .search-container {
        padding: 15px;
    }
    
    .search-input {
        font-size: 16px; /* Prevents zoom on iOS */
    }
    
    /* Detail grid single column on mobile */
    .detail-grid {
        grid-template-columns: 1fr;
    }
    
    /* Pagination adjustments */
    .pagination-container {
        flex-direction: column;
        gap: 15px;
        align-items: stretch;
    }
    
    .pagination-buttons {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* Tablet adjustments */
@media (min-width: 769px) and (max-width: 1024px) {
    .sidebar {
        width: 220px;
    }
    
    :root {
        --sidebar-width: 220px;
    }
    
    .main-content {
        margin-left: 220px;
    }
}