/* ===== VARIABLES & RESET ===== */
:root {
    --primary-brown: #8B4513;
    --light-brown: #d2b48c;
    --dark-brown: #5c3d2e;
    --cream: #fff8dc;
    --error-red: #cd5c5c;
    --success-green: #4caf50;
    --warning-orange: #ff9800;
    --info-blue: #2196f3;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
    
    /* Modern theme variables */
    --modern-primary: #2E7D32;
    --modern-secondary: #4CAF50;
    --modern-background: #f8f9fa;
    --modern-surface: #ffffff;
    --modern-text: #202124;
    --modern-text-secondary: #5f6368;
    
    /* Dark Modern theme variables */
    --darkmodern-primary: #388E3C;
    --darkmodern-secondary: #4CAF50;
    --darkmodern-background: #202124;
    --darkmodern-surface: #303134;
    --darkmodern-text: #e8eaed;
    --darkmodern-text-secondary: #9aa0a6;
}

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

body {
    background-color: var(--light-brown);
    color: var(--dark-brown);
    line-height: 1.6;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    padding: 10px;
    background-image: 
        linear-gradient(rgba(210, 180, 140, 0.7), rgba(210, 180, 140, 0.7)), 
        url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0,0 L100,0 L100,100 L0,100 Z' fill='none' stroke='%239c7c5c' stroke-width='0.5'/%3E%3C/svg%3E");
    min-height: 100vh;
    transition: var(--transition);
}

/* Modern theme */
body.modern-theme {
    background-color: var(--modern-background);
    color: var(--modern-text);
    background-image: none;
}

/* Dark Modern theme */
body.darkmodern-theme {
    background-color: var(--darkmodern-background);
    color: var(--darkmodern-text);
    background-image: none;
}

.container {
    max-width: 100%;
    margin: 0 auto;
}

/* ===== HEADER ===== */
header {
    background: linear-gradient(135deg, var(--primary-brown) 0%, #6b2f09 100%);
    color: var(--cream);
    padding: 1.2rem;
    border-radius: 8px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
    text-align: center;
    position: relative;
    overflow: hidden;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Modern header */
body.modern-theme header {
    background: linear-gradient(135deg, var(--modern-primary) 0%, #3367d6 100%);
    color: white;
}

/* Dark Modern header */
body.darkmodern-theme header {
    background: linear-gradient(135deg, var(--darkmodern-primary) 0%, #1e58c6 100%);
    color: var(--darkmodern-text);
}

header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5), transparent);
}

.header-content {
    flex: 1;
}

h1 {
    margin-bottom: 8px;
    font-size: 1.8rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

/* ===== SETTINGS BUTTON ===== */
.btn-settings {
    background: none;
    border: none;
    color: inherit;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 5px;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.btn-settings:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

/* ===== AUTH & SHOPPING SECTIONS ===== */
.auth-forms, .shopping-list {
    background-color: var(--cream);
    padding: 20px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    margin-bottom: 20px;
    border: 1px solid var(--light-brown);
    transition: var(--transition);
}

/* Modern sections */
body.modern-theme .auth-forms, 
body.modern-theme .shopping-list {
    background-color: var(--modern-surface);
    border: 1px solid #dadce0;
}

/* Dark Modern sections */
body.darkmodern-theme .auth-forms, 
body.darkmodern-theme .shopping-list {
    background-color: var(--darkmodern-surface);
    border: 1px solid #5f6368;
}

.form-group {
    margin-bottom: 15px;
    position: relative;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--dark-brown);
    font-size: 0.95rem;
}

/* Modern labels */
body.modern-theme label {
    color: var(--modern-text);
}

/* Dark Modern labels */
body.darkmodern-theme label {
    color: var(--darkmodern-text);
}

input[type="text"], 
input[type="password"], 
input[type="number"],
textarea,
select {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #d2b48c;
    border-radius: 6px;
    font-size: 16px;
    background-color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

/* Modern inputs */
body.modern-theme input[type="text"], 
body.modern-theme input[type="password"], 
body.modern-theme input[type="number"],
body.modern-theme textarea,
body.modern-theme select {
    border: 1px solid #dadce0;
    background-color: white;
}

/* Dark Modern inputs */
body.darkmodern-theme input[type="text"], 
body.darkmodern-theme input[type="password"], 
body.darkmodern-theme input[type="number"],
body.darkmodern-theme textarea,
body.darkmodern-theme select {
    border: 1px solid #5f6368;
    background-color: #303134;
    color: var(--darkmodern-text);
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--primary-brown);
    box-shadow: 0 0 0 3px rgba(139, 69, 19, 0.2);
}

/* Modern focus */
body.modern-theme input:focus, 
body.modern-theme textarea:focus, 
body.modern-theme select:focus {
    border-color: var(--modern-primary);
    box-shadow: 0 0 0 3px rgba(66, 133, 244, 0.2);
}

/* Dark Modern focus */
body.darkmodern-theme input:focus, 
body.darkmodern-theme textarea:focus, 
body.darkmodern-theme select:focus {
    border-color: var(--darkmodern-primary);
    box-shadow: 0 0 0 3px rgba(138, 180, 248, 0.2);
}

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

/* ===== BUTTONS ===== */
button {
    color: var(--dark-brown);
    border: none;
    padding: 12px 18px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
    transition: var(--transition);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
}

.btn-primary {
    background: linear-gradient(to bottom, var(--light-brown), #c19a6b);
    color: var(--dark-brown);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.btn-primary:hover {
    background: linear-gradient(to bottom, #c19a6b, #b8860b);
    color: white;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

/* Modern primary button */
body.modern-theme .btn-primary {
    background: linear-gradient(to bottom, var(--modern-primary), #1B5E20);
    color: white;
}

body.modern-theme .btn-primary:hover {
    background: linear-gradient(to bottom, #1B5E20, #0D3010);
}

/* Dark Modern primary button */
body.darkmodern-theme .btn-primary {
    background: linear-gradient(to bottom, var(--darkmodern-primary), #1e58c6);
    color: var(--darkmodern-text);
}

body.darkmodern-theme .btn-primary:hover {
    background: linear-gradient(to bottom, #1e58c6, #1543a1);
}

.btn-secondary {
    background: linear-gradient(to bottom, #a0522d, #8b4513);
    color: white;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.btn-secondary:hover {
    background: linear-gradient(to bottom, #8b4513, #6b2f09);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

/* Modern secondary button */
body.modern-theme .btn-secondary {
    background: linear-gradient(to bottom, #5f6368, #3c4043);
    color: white;
}

body.modern-theme .btn-secondary:hover {
    background: linear-gradient(to bottom, #3c4043, #202124);
}

/* Dark Modern secondary button */
body.darkmodern-theme .btn-secondary {
    background: linear-gradient(to bottom, #5f6368, #3c4043);
    color: white;
}

body.darkmodern-theme .btn-secondary:hover {
    background: linear-gradient(to bottom, #3c4043, #202124);
}

.btn-danger {
    background: linear-gradient(to bottom, var(--error-red), #b74747);
    color: white;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.btn-danger:hover {
    background: linear-gradient(to bottom, #b74747, #8b0000);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

/* ===== TABS (LOGIN/REGISTER) ===== */
.tabs {
    display: flex;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--light-brown);
    background-color: #f5deb3;
    border-radius: 6px 6px 0 0;
    overflow: hidden;
}

/* Modern tabs */
body.modern-theme .tabs {
    border-bottom: 2px solid #dadce0;
    background-color: #f1f3f4;
}

/* Dark Modern tabs */
body.darkmodern-theme .tabs {
    border-bottom: 2px solid #5f6368;
    background-color: #303134;
}

.tab {
    flex: 1;
    text-align: center;
    padding: 12px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
    position: relative;
}

.tab.active {
    background-color: var(--cream);
    color: var(--primary-brown);
}

/* Modern active tab */
body.modern-theme .tab.active {
    background-color: var(--modern-surface);
    color: var(--modern-primary);
}

/* Dark Modern active tab */
body.darkmodern-theme .tab.active {
    background-color: var(--darkmodern-surface);
    color: var(--darkmodern-primary);
}

.tab.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background-color: var(--primary-brown);
}

/* Modern tab indicator */
body.modern-theme .tab.active::after {
    background-color: var(--modern-primary);
}

/* Dark Modern tab indicator */
body.darkmodern-theme .tab.active::after {
    background-color: var(--darkmodern-primary);
}

.tab-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

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

/* ===== ADD ITEM FORM ===== */
.add-item-form {
    display: grid;
    grid-template-columns: 1fr 100px 100px;
    gap: 12px;
    margin-bottom: 20px;
    align-items: end;
}

.description-field {
    grid-column: 1 / -1;
}

/* ===== SHOPPING LIST ===== */
.shopping-items {
    list-style-type: none;
}

.shopping-items li {
    padding: 12px 15px;
    border-bottom: 1px solid var(--light-brown);
    background-color: rgba(255, 248, 220, 0.7);
    margin-bottom: 8px;
    border-radius: 6px;
    transition: var(--transition);
    animation: slideIn 0.3s ease;
}

.item-checkbox:hover {
    transform: scale(1.1);
    transition: transform 0.3s ease;
}

.item-name:hover {
    color: var(--primary-brown); /* Zmiana koloru tekstu */
    transition: color 0.3s ease;
}

.item-quantity-container:hover {
    font-weight: bold;
    transition: font-weight 0.3s ease;
}

.shopping-items li:active {
    background-color: rgba(139, 69, 19, 0.1);
    transform: scale(0.98);
}

/* Modern list items */
body.modern-theme .shopping-items li {
    border-bottom: 1px solid #dadce0;
    background-color: rgba(255, 255, 255, 0.9);
}

/* Dark Modern list items */
body.darkmodern-theme .shopping-items li {
    border-bottom: 1px solid #5f6368;
    background-color: rgba(48, 49, 52, 0.9);
}

.shopping-items li:hover {
    background-color: rgba(139, 69, 19, 0.05); 
    transition: background-color 0.3s ease, transform 0.3s ease;
    transform: translateX(5px); 
}

.shopping-items li:last-child {
    border-bottom: none;
}

.item-completed {
    text-decoration: line-through;
    color: #a9a9a9;
}

.item-main {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.item-details {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.item-name {
    font-weight: bold;
    margin-bottom: 5px;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.item-name::before {
    content: '•';
    color: var(--primary-brown);
}

/* Modern bullet */
body.modern-theme .item-name::before {
    color: var(--modern-primary);
}

/* Dark Modern bullet */
body.darkmodern-theme .item-name::before {
    color: var(--darkmodern-primary);
}

.item-quantity-container {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--primary-brown);
    font-weight: 500;
}

/* Modern quantity container */
body.modern-theme .item-quantity-container {
    color: var(--modern-text-secondary);
}

/* Dark Modern quantity container */
body.darkmodern-theme .item-quantity-container {
    color: var(--darkmodern-text-secondary);
}

.item-description {
    font-size: 0.85rem;
    color: #6b5b4a;
    margin-top: 5px;
    font-style: italic;
    line-height: 1.4;
}

/* Modern description */
body.modern-theme .item-description {
    color: var(--modern-text-secondary);
}

/* Dark Modern description */
body.darkmodern-theme .item-description {
    color: var(--darkmodern-text-secondary);
}

/* Checkbox styling */
.item-checkbox {
    width: 20px;
    height: 20px;
    margin-right: 10px;
    cursor: pointer;
}

/* ===== EDIT ITEM FORM (EDIT MODE) ===== */
.edit-item-form {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    width: 100%;
}

.edit-item-form input,
.edit-item-form select,
.edit-item-form textarea {
    margin-bottom: 0;
    width: 100%;
}

.remove-item-btn {
    grid-column: 1 / -1;
    margin-top: 10px;
}

/* ===== NOTIFICATIONS ===== */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 15px 20px;
    border-radius: 6px;
    display: none;
    z-index: 1000;
    box-shadow: var(--shadow);
    color: white;
    font-weight: 500;
    max-width: 350px;
    animation: slideInRight 0.3s ease;
}

.notification.success {
    background-color: var(--success-green);
}

.notification.error {
    background-color: var(--error-red);
}

.notification.warning {
    background-color: var(--warning-orange);
}

.notification.info {
    background-color: var(--info-blue);
}

/* ===== ACTION BUTTONS ===== */
.action-buttons {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 25px;
    flex-wrap: wrap;
}

.action-buttons button {
    flex: 1;
    min-width: 120px;
}

/* ===== SETTINGS PANEL ===== */
.settings-panel {
    position: fixed;
    top: 0;
    right: -300px;
    width: 300px;
    height: 100%;
    background-color: var(--cream);
    box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
    padding: 20px;
    z-index: 1001;
    transition: right 0.3s ease;
    overflow-y: auto;
}

.settings-panel.open {
    right: 0;
}

/* Modern settings panel */
body.modern-theme .settings-panel {
    background-color: var(--modern-surface);
}

/* Dark Modern settings panel */
body.darkmodern-theme .settings-panel {
    background-color: var(--darkmodern-surface);
}

.settings-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--light-brown);
}

/* Modern settings header */
body.modern-theme .settings-header {
    border-bottom: 1px solid #dadce0;
}

/* Dark Modern settings header */
body.darkmodern-theme .settings-header {
    border-bottom: 1px solid #5f6368;
}

.settings-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--dark-brown);
}

/* Modern close button */
body.modern-theme .settings-close {
    color: var(--modern-text);
}

/* Dark Modern close button */
body.darkmodern-theme .settings-close {
    color: var(--darkmodern-text);
}

.settings-option {
    margin-bottom: 20px;
}

.settings-option label {
    display: block;
    margin-bottom: 8px;
}

.settings-option select {
    width: 100%;
}

/* ===== OVERLAY ===== */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    display: none;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideIn {
    from { 
        opacity: 0;
        transform: translateY(10px);
    }
    to { 
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from { 
        opacity: 0;
        transform: translateX(100px);
    }
    to { 
        opacity: 1;
        transform: translateX(0);
    }
}

/* ===== PASSWORD STRENGTH ===== */
.password-strength {
    height: 5px;
    margin-top: 5px;
    border-radius: 3px;
    background-color: #eee;
    overflow: hidden;
}

.password-strength-bar {
    height: 100%;
    width: 0;
    transition: width 0.3s ease;
}

.strength-weak { background-color: #ff4d4d; }
.strength-medium { background-color: #ffa64d; }
.strength-strong { background-color: #2eb82e; }

.password-feedback {
    font-size: 0.8rem;
    margin-top: 5px;
    color: #666;
}

/* ===== LOADING INDICATOR ===== */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

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

/* ===== EMPTY STATE ===== */
.empty-list {
    text-align: center;
    padding: 30px 20px;
    color: #a9a9a9;
    font-style: italic;
}

.empty-list i {
    font-size: 3rem;
    margin-bottom: 15px;
    display: block;
    opacity: 0.5;
}

/* ===== LARGER SCREENS ===== */
@media (min-width: 600px) {
    body {
        padding: 20px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .container {
        max-width: 800px;
        width: 100%;
    }
    
    h1 {
        font-size: 2.2rem;
    }
    
    .add-item-form {
        grid-template-columns: 1fr 120px 120px auto;
    }

    .description-field {
        grid-column: 1 / 4;
    }
    
    .item-details {
        flex-direction: row;
        align-items: center;
        gap: 15px;
    }
    
    .item-quantity-container {
        font-size: 1rem;
        min-width: 80px;
        justify-content: flex-end;
    }

    .item-description {
        margin-top: 0;
        margin-left: 15px;
    }
    
    .edit-item-form {
        grid-template-columns: 1fr 100px 100px auto;
        gap: 12px;
        align-items: center;
    }
    
    .remove-item-btn {
        grid-column: auto;
        margin-top: 0;
    }
}

/* ===== VISUAL EFFECTS ===== */
.paper-shadow {
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1), 0 2px 5px rgba(0, 0, 0, 0.05);
}

/* ===== SECURITY INDICATOR ===== */
.security-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 5px;
    font-size: 0.8rem;
    color: #666;
}

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

/* ===== ENHANCED STYLES ===== */

/* Password strength improvements */
.strength-very-weak {
    background-color: #ff4d4d;
}

.strength-weak {
    background-color: #ffa64d;
}

.strength-medium {
    background-color: #2eb82e;
}

.strength-strong {
    background-color: #009900;
}

/* Remember me checkbox */
.remember-me {
    display: flex;
    align-items: left;
    margin: 15px 0;
    font-size: 0.9rem;
}

.remember-me input {
    margin-right: 8px;
    width: auto;
}

/* Network status indicator */
.network-status {
    position: fixed;
    bottom: 10px;
    right: 10px;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 0.8rem;
    z-index: 1000;
    display: none;
}

.network-status.online {
    background-color: var(--success-green);
    color: white;
    display: block;
}

.network-status.offline {
    background-color: var(--error-red);
    color: white;
    display: block;
}

/* Loading states */
.loading-state {
    opacity: 0.7;
    pointer-events: none;
}

/* Mobile-first improvements */
@media (max-width: 599px) {
    .add-item-form {
        grid-template-columns: 1fr;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .action-buttons button {
        width: 100%;
        margin-bottom: 10px;
    }
}

/* Animation improvements */
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.02); }
    100% { transform: scale(1); }
}

.shopping-items li {
    animation: slideIn 0.3s ease;
}

.shopping-items li:hover {
    animation: pulse 0.5s ease;
}

/* Focus styles for accessibility */
button:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 2px solid var(--primary-brown);
    outline-offset: 2px;
}

/* High contrast support */
@media (prefers-contrast: high) {
    .item-completed {
        text-decoration: line-through;
        opacity: 0.7;
    }
    
    .btn-primary,
    .btn-secondary,
    .btn-danger {
        border: 2px solid currentColor;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ===== DEMO FOOTER ===== */
.demo-footer {
    background-color: var(--cream);
    padding: 15px 20px;
    border-radius: 8px;
    margin-top: 20px;
    text-align: center;
    font-size: 0.85rem;
    color: var(--dark-brown);
    border: 1px solid var(--light-brown);
}

/* Modern footer */
body.modern-theme .demo-footer {
    background-color: var(--modern-surface);
    border: 1px solid #dadce0;
    color: var(--modern-text-secondary);
}

/* Dark Modern footer */
body.darkmodern-theme .demo-footer {
    background-color: var(--darkmodern-surface);
    border: 1px solid #5f6368;
    color: var(--darkmodern-text-secondary);
}

.footer-content {
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.5;
}

.footer-content p:first-child {
    margin-bottom: 8px;
    font-weight: 600;
}

.footer-content p:last-child {
    margin-bottom: 0;
}

/* ===== ACTION MODAL IMPROVEMENTS ===== */
.action-modal {
    animation: modalFadeIn 0.3s ease;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: translate(-50%, -60%);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%);
    }
}

/* ===== EMPTY STATE STYLES ===== */
.empty-list {
    text-align: center;
    padding: 40px 20px;
    color: #a9a9a9;
    font-style: italic;
    background-color: rgba(255, 255, 255, 0.5);
    border-radius: 8px;
    margin: 20px 0;
}

.empty-list i {
    font-size: 3rem;
    margin-bottom: 15px;
    display: block;
    opacity: 0.5;
}

.empty-list div {
    margin-bottom: 10px;
}

/* ===== LOADING STATES ===== */
.loading-state {
    opacity: 0.7;
    pointer-events: none;
    position: relative;
}

.loading-state::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ===== NETWORK STATUS INDICATOR ===== */
.network-status {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 10px 15px;
    border-radius: 6px;
    background-color: var(--error-red);
    color: white;
    font-weight: 500;
    z-index: 1000;
    box-shadow: var(--shadow);
    display: none;
}

.network-status.online {
    background-color: var(--success-green);
    display: block;
}

.network-status.offline {
    background-color: var(--error-red);
    display: block;
}

/* ===== IMPROVED ITEM DESCRIPTION POSITIONING ===== */
.item-main {
    display: flex;
    flex-direction: column;
    width: 100%;
}

.item-details {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
}

.item-quantity-container {
    margin-left: auto;
    white-space: nowrap;
}

.item-description {
    width: 100%;
    text-align: center;
    font-size: 0.85rem;
    color: #6b5b4a;
    margin-top: 8px;
    font-style: italic;
    padding: 4px 0;
    border-top: 1px dashed rgba(139, 69, 19, 0.2);
}

/* Modern theme description */
body.modern-theme .item-description {
    color: var(--modern-text-secondary);
    border-top: 1px dashed rgba(0, 0, 0, 0.1);
}

/* Dark Modern theme description */
body.darkmodern-theme .item-description {
    color: var(--darkmodern-text-secondary);
    border-top: 1px dashed rgba(255, 255, 255, 0.1);
}

/* ===== ACTION MODAL IMPROVEMENTS ===== */
.action-modal {
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
}

/* ===== ENHANCED SECURITY ===== */
.action-modal-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 20px;
}

.action-modal-buttons button:last-child {
    grid-column: span 2;
}

/* ===== MOBILE RESPONSIVENESS ===== */
@media (max-width: 480px) {
    .item-details {
        display: -webkit-box !important; /* Alternatywa dla flex w Brave */
        display: -ms-flexbox !important; /* Prefiks dla IE/Edge */
        display: flex !important; /* Flex dla wszystkich */
        -webkit-box-orient: horizontal !important; /* Prefiks */
        -ms-flex-direction: row !important; /* Prefiks */
        flex-direction: row !important; /* Układ poziomy */
        -webkit-box-pack: start !important; /* Prefiks */
        -ms-flex-pack: start !important; /* Prefiks */
        justify-content: flex-start !important; /* Rozpoczyna od lewej */
        -webkit-box-align: center !important; /* Prefiks */
        -ms-flex-align: center !important; /* Prefiks */
        align-items: center !important; /* Wyrównanie w pionie */
        -webkit-box-lines: single !important; /* Prefiks */
        -ms-flex-wrap: nowrap !important; /* Prefiks */
        flex-wrap: nowrap !important; /* Zapobiega zawijaniu */
        gap: 8px !important; /* Stały odstęp */
        min-height: 40px !important; /* Stabilna wysokość */
        padding: 0 !important; /* Usuwa padding */
        margin: 0 !important; /* Usuwa marginesy */
        width: 100% !important; /* Pełna szerokość */
        box-sizing: border-box !important; /* Uwzględnia padding/border */
        -webkit-box-sizing: border-box !important; /* Prefiks */
    }

    .item-checkbox {
        -webkit-box-ordinal-group: 1 !important; /* Prefiks */
        -ms-flex-order: 1 !important; /* Prefiks */
        order: 1 !important; /* Checkbox jako pierwszy */
        flex-shrink: 0 !important; /* Nie zmniejsza się */
        -webkit-flex-shrink: 0 !important; /* Prefiks */
        margin: 0 8px 0 0 !important; /* Tylko prawy margines */
        padding: 0 !important; /* Usuwa padding */
        width: 20px !important; /* Stała szerokość */
        height: 20px !important; /* Stała wysokość */
        -webkit-appearance: checkbox !important; /* Reset dla Webkit */
        appearance: checkbox !important; /* Reset dla wszystkich */
    }

    .item-name {
        -webkit-box-ordinal-group: 2 !important; /* Prefiks */
        -ms-flex-order: 2 !important; /* Prefiks */
        order: 2 !important; /* Nazwa po checkboxie */
        flex: 1 !important; /* Zajmuje resztę miejsca */
        -webkit-flex: 1 !important; /* Prefiks */
        white-space: nowrap !important; /* Brak zawijania */
        overflow: hidden !important; /* Ukrywa nadmiar */
        text-overflow: ellipsis !important; /* Skraca z ... */
        min-width: 120px !important; /* Większa minimalna szerokość */
        margin: 0 !important; /* Usuwa marginesy */
        padding: 0 4px !important; /* Minimalny padding */
        font-size: 16px !important; /* Czytelna czcionka */
    }

    .item-quantity-container {
        -webkit-box-ordinal-group: 3 !important; /* Prefiks */
        -ms-flex-order: 3 !important; /* Prefiks */
        order: 3 !important; /* Ilość na końcu */
        flex-shrink: 0 !important; /* Nie zmniejsza się */
        -webkit-flex-shrink: 0 !important; /* Prefiks */
        white-space: nowrap !important; /* Brak zawijania */
        margin: 0 !important; /* Usuwa marginesy */
        padding: 0 4px !important; /* Minimalny padding */
        font-size: 14px !important; /* Czytelna czcionka */
    }

    /* Resetowanie stylów motywów na mobile */
    body.modern-theme .item-details,
    body.darkmodern-theme .item-details {
        display: -webkit-box !important;
        display: -ms-flexbox !important;
        display: flex !important;
        -webkit-box-orient: horizontal !important;
        -ms-flex-direction: row !important;
        flex-direction: row !important;
        -webkit-box-lines: single !important;
        -ms-flex-wrap: nowrap !important;
        flex-wrap: nowrap !important;
    }
}

/* ===== EDIT MODE RESPONSIVENESS ===== */
@media (max-width: 599px) {
    .edit-item-form {
        grid-template-columns: 1fr;
    }
    
    .remove-item-btn {
        grid-column: 1 / -1;
        margin-top: 10px;
    }
}

/* ===== EDIT LIST STYLES ===== */
.edit-item-form {
    display: grid;
    grid-template-columns: 1fr 80px 80px auto;
    gap: 10px;
    align-items: center;
    width: 100%;
}

.edit-item-name {
    grid-column: 1;
}

.edit-item-quantity {
    grid-column: 2;
}

.edit-item-unit {
    grid-column: 3;
}

.edit-item-description {
    grid-column: 1 / span 3;
    width: 100%;
}

.remove-item-btn {
    grid-column: 4;
    padding: 8px 12px;
    font-size: 14px;
}

/* Responsive styles for edit mode */
@media (max-width: 768px) {
    .edit-item-form {
        grid-template-columns: 1fr;
    }
    
    .edit-item-name,
    .edit-item-quantity,
    .edit-item-unit,
    .edit-item-description,
    .remove-item-btn {
        grid-column: 1;
    }
}