:root {
    /* Primitive Color Tokens */
    --color-white: rgba(255, 255, 255, 1);
    --color-black: rgba(0, 0, 0, 1);
    --color-cream-50: rgba(252, 252, 249, 1);
    --color-cream-100: rgba(255, 255, 253, 1);
    --color-gray-200: rgba(245, 245, 245, 1);
    --color-gray-300: rgba(167, 169, 169, 1);
    --color-gray-400: rgba(119, 124, 124, 1);
    --color-slate-500: rgba(98, 108, 113, 1);
    --color-brown-600: rgba(94, 82, 64, 1);
    --color-charcoal-700: rgba(31, 33, 33, 1);
    --color-charcoal-800: rgba(38, 40, 40, 1);
    --color-slate-900: rgba(19, 52, 59, 1);
    --color-teal-300: rgba(50, 184, 198, 1);
    --color-teal-400: rgba(45, 166, 178, 1);
    --color-teal-500: rgba(33, 128, 141, 1);
    --color-teal-600: rgba(29, 116, 128, 1);
    --color-teal-700: rgba(26, 104, 115, 1);
    --color-teal-800: rgba(41, 150, 161, 1);
    --color-red-400: rgba(255, 84, 89, 1);
    --color-red-500: rgba(192, 21, 47, 1);
    --color-orange-400: rgba(230, 129, 97, 1);
    --color-orange-500: rgba(168, 75, 47, 1);

    /* RGB versions for opacity control */
    --color-brown-600-rgb: 94, 82, 64;
    --color-teal-500-rgb: 33, 128, 141;
    --color-slate-900-rgb: 19, 52, 59;
    --color-slate-500-rgb: 98, 108, 113;
    --color-red-500-rgb: 192, 21, 47;
    --color-red-400-rgb: 255, 84, 89;
    --color-orange-500-rgb: 168, 75, 47;
    --color-orange-400-rgb: 230, 129, 97;

    /* Semantic Color Tokens (Light Mode) */
    --color-background: var(--color-cream-50);
    --color-surface: var(--color-cream-100);
    --color-text: var(--color-slate-900);
    --color-text-secondary: var(--color-slate-500);
    --color-primary: var(--color-teal-500);
    --color-primary-hover: var(--color-teal-600);
    --color-primary-active: var(--color-teal-700);
    --color-secondary: rgba(var(--color-brown-600-rgb), 0.12);
    --color-secondary-hover: rgba(var(--color-brown-600-rgb), 0.2);
    --color-secondary-active: rgba(var(--color-brown-600-rgb), 0.25);
    --color-border: rgba(var(--color-brown-600-rgb), 0.2);
    --color-btn-primary-text: var(--color-cream-50);
    --color-card-border: rgba(var(--color-brown-600-rgb), 0.12);
    --color-card-border-inner: rgba(var(--color-brown-600-rgb), 0.12);
    --color-error: var(--color-red-500);
    --color-success: var(--color-teal-500);
    --color-warning: var(--color-orange-500);
    --color-info: var(--color-slate-500);
    --color-focus-ring: rgba(var(--color-teal-500-rgb), 0.4);
    --color-select-caret: rgba(var(--color-slate-900-rgb), 0.8);
    
    --color-profit-positive: #28a745;

    /* Typography */
    --font-family-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-family-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    --font-size-xs: 11px;
    --font-size-sm: 12px;
    --font-size-base: 14px;
    --font-size-md: 14px;
    --font-size-lg: 16px;
    --font-size-xl: 18px;
    --font-size-2xl: 20px;
    --font-size-3xl: 24px;
    --font-size-4xl: 30px;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 550;
    --font-weight-bold: 600;
    --line-height-tight: 1.2;
    --line-height-normal: 1.5;
    --letter-spacing-tight: -0.01em;

    /* Spacing */
    --space-0: 0;
    --space-1: 1px;
    --space-2: 2px;
    --space-4: 4px;
    --space-6: 6px;
    --space-8: 8px;
    --space-10: 10px;
    --space-12: 12px;
    --space-16: 16px;
    --space-20: 20px;
    --space-24: 24px;
    --space-32: 32px;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-base: 8px;
    --radius-md: 10px;
    --radius-lg: 12px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.02);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.04), 0 2px 4px -1px rgba(0, 0, 0, 0.02);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.04), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
    --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.15), inset 0 -1px 0 rgba(0, 0, 0, 0.03);

    /* Animation */
    --duration-fast: 150ms;
    --duration-normal: 250ms;
    --ease-standard: cubic-bezier(0.16, 1, 0.3, 1);

    /* Layout */
    --container-sm: 640px;
    --container-md: 768px;
    --container-lg: 1024px;
    --container-xl: 1280px;
}

/* Dark mode colors */
@media (prefers-color-scheme: dark) {
    :root {
        --color-gray-400-rgb: 119, 124, 124;
        --color-teal-300-rgb: 50, 184, 198;
        --color-gray-300-rgb: 167, 169, 169;
        --color-gray-200-rgb: 245, 245, 245;

        --color-background: var(--color-charcoal-700);
        --color-surface: var(--color-charcoal-800);
        --color-text: var(--color-gray-200);
        --color-text-secondary: rgba(var(--color-gray-300-rgb), 0.7);
        --color-primary: var(--color-teal-300);
        --color-primary-hover: var(--color-teal-400);
        --color-primary-active: var(--color-teal-800);
        --color-secondary: rgba(var(--color-gray-400-rgb), 0.15);
        --color-secondary-hover: rgba(var(--color-gray-400-rgb), 0.25);
        --color-secondary-active: rgba(var(--color-gray-400-rgb), 0.3);
        --color-border: rgba(var(--color-gray-400-rgb), 0.3);
        --color-error: var(--color-red-400);
        --color-success: var(--color-teal-300);
        --color-warning: var(--color-orange-400);
        --color-info: var(--color-gray-300);
        --color-focus-ring: rgba(var(--color-teal-300-rgb), 0.4);
        --color-btn-primary-text: var(--color-slate-900);
        --color-card-border: rgba(var(--color-gray-400-rgb), 0.2);
        --color-card-border-inner: rgba(var(--color-gray-400-rgb), 0.15);
        --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.1), inset 0 -1px 0 rgba(0, 0, 0, 0.15);
        --color-select-caret: rgba(var(--color-gray-200-rgb), 0.8);
        --color-success-rgb: var(--color-teal-300-rgb);
        --color-error-rgb: var(--color-red-400-rgb);
        --color-warning-rgb: var(--color-orange-400-rgb);
        --color-info-rgb: var(--color-gray-300-rgb);
    }
}

/* Base styles */
html {
    font-size: var(--font-size-base);
    font-family: var(--font-family-base);
    line-height: var(--line-height-normal);
    color: var(--color-text);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
}

*, *::before, *::after {
    box-sizing: inherit;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    margin: 0;
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
    color: var(--color-text);
    letter-spacing: var(--letter-spacing-tight);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-md); }

p {
    margin: 0 0 var(--space-16) 0;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-standard);
}

a:hover {
    color: var(--color-primary-hover);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-8) var(--space-16);
    border-radius: var(--radius-base);
    font-size: var(--font-size-base);
    font-weight: 500;
    line-height: 1.5;
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-standard);
    border: none;
    text-decoration: none;
}

.btn:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px var(--color-focus-ring);
}

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

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

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

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

.btn--sm {
    padding: var(--space-4) var(--space-12);
    font-size: var(--font-size-sm);
}

.btn--full-width {
    width: 100%;
}

.btn--edit {
    background-color: #28a745;
    border-color: #28a745;
    color: white;
}

.btn--delete {
    background-color: #dc3545;
    border-color: #dc3545;
    color: white;
}

/* Form elements */
.form-control {
    display: block;
    width: 100%;
    padding: var(--space-8) var(--space-12);
    font-size: var(--font-size-md);
    line-height: 1.5;
    color: var(--color-text);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-base);
    transition: border-color var(--duration-fast) var(--ease-standard);
}

.form-control:focus {
    border-color: var(--color-primary);
    outline: 2px solid var(--color-primary);
}

textarea.form-control {
    font-family: var(--font-family-base);
    resize: vertical;
}

.form-label {
    display: block;
    margin-bottom: var(--space-8);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
}

.form-group {
    margin-bottom: var(--space-16);
}

/* Card component */
.card {
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-card-border);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.card__body {
    padding: var(--space-16);
}

/* Container layout */
.container {
    width: 100%;
    margin-right: auto;
    margin-left: auto;
    padding-right: var(--space-16);
    padding-left: var(--space-16);
}

@media (min-width: 640px) { .container { max-width: var(--container-sm); } }
@media (min-width: 768px) { .container { max-width: var(--container-md); } }
@media (min-width: 1024px) { .container { max-width: var(--container-lg); } }
@media (min-width: 1280px) { .container { max-width: var(--container-xl); } }

/* Products grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.product-card {
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-card-border);
    transition: box-shadow var(--duration-normal) var(--ease-standard);
}

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

.product-images {
    width: 100%;
    height: 200px;
    background-color: var(--color-secondary);
    overflow: hidden;
}

.product-images img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: white;
}

.product-info {
    padding: 16px;
}

.product-info h3 {
    font-size: var(--font-size-lg);
    margin-bottom: 8px;
    text-align: center;
}

.dimensions {
    background-color: var(--color-secondary);
    color: var(--color-text);
    padding: 4px 8px;
    display: inline-block;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    margin-bottom: 8px;
}

/* Flash messages */
.flash {
    padding: var(--space-12) var(--space-16);
    margin: var(--space-16) 0;
    border-radius: var(--radius-base);
    border-left: 4px solid;
}

.flash-success {
    background-color: rgba(var(--color-teal-500-rgb), 0.1);
    border-color: var(--color-success);
    color: var(--color-success);
}

.flash-error {
    background-color: rgba(var(--color-red-500-rgb), 0.1);
    border-color: var(--color-error);
    color: var(--color-error);
}

/* Lightbox galeria */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 9999;
    align-items: center;
    justify-content: center;
}

.lightbox.active {
    display: flex;
}

.lightbox-content {
    max-width: 90%;
    max-height: 90vh;
    position: relative;
}

.lightbox-image {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 8px;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    font-size: 24px;
    cursor: pointer;
    color: #000;
    z-index: 10000;
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    font-size: 24px;
    cursor: pointer;
    color: #000;
}

.lightbox-prev {
    left: 20px;
}

.lightbox-next {
    right: 20px;
}

.lightbox-counter {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255, 255, 255, 0.9);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    color: #000;
}

/* Tables */
table tbody tr:nth-child(odd) {
    background-color: rgba(255, 255, 255, 0.05);
}

table tbody tr:nth-child(even) {
    background-color: transparent;
}

/* Utility classes */
.text-center {
    text-align: center;
}

.centered-buttons {
    display: flex;
    justify-content: center;
    gap: 12px;
}

.price-centered {
    text-align: center;
    font-size: 18px;
    font-weight: 600;
    color: var(--color-primary);
}

.admin-mode-label {
    background-color: #ffc107;
    color: #000;
    padding: 4px 8px;
    font-weight: bold;
    border-radius: 4px;
    margin: 0 12px;
}

/* GALERIA - MINIATURY ZDJĘĆ */
.gallery {
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 15px !important;
    justify-content: center !important;
    padding: 16px !important;
}

.gallery-item {
    width: 150px !important;
    text-align: center !important;
    background-color: var(--color-surface) !important;
    border-radius: var(--radius-base) !important;
    box-shadow: var(--shadow-sm) !important;
    padding: 8px !important;
    transition: box-shadow 0.3s ease !important;
    overflow: hidden !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
}

.gallery-item a {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 100% !important;
    height: 150px !important;
}

.gallery-item:hover {
    box-shadow: var(--shadow-md) !important;
}

.gallery-image {
    max-width: 150px !important;
    max-height: 150px !important;
    width: auto !important;
    height: auto !important;
    object-fit: contain !important;
    display: block !important;
    margin: 0 auto !important;
    border-radius: 8px !important;
}

.no-image-placeholder {
    width: 150px !important;
    height: 150px !important;
    background: #ccc !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    color: #666 !important;
    border-radius: 8px !important;
}

.product-name {
    margin-top: 8px !important;
    font-weight: 600 !important;
    font-size: 14px !important;
    color: var(--color-text) !important;
}
/* ============================================
   RESPONSYWNA NAWIGACJA
   ============================================ */

nav {
    background-color: #333;
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    padding: 0 20px;
}

.nav-logo {
    color: white;
    font-size: 18px;
    font-weight: 600;
    text-decoration: none;
    padding: 15px 0;
    white-space: nowrap;
    margin-right: 20px;
}

.nav-logo:hover {
    color: #ddd;
}

/* Link do Galerii - taki sam styl jak reszta menu */
.nav-container > a:not(.nav-logo):not(.auth-link) {
    color: white;
    font-size: 16px;
    font-weight: 500;
    text-decoration: none;
    padding: 15px 16px;
    white-space: nowrap;
    transition: background-color 0.3s;
    margin-right: 10px;
}

.nav-container > a:not(.nav-logo):not(.auth-link):hover {
    background-color: #555;
    color: white;
}

/* Menu administratora - wyjustowane do prawej */
.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 5px;
	margin-left: auto;  /* <-- DODAJ TO */
}

.nav-menu li {
    display: inline-block;
}

.nav-menu li a {
    color: white;
    text-decoration: none;
    padding: 15px 16px;
    display: block;
    transition: background-color 0.3s;
    white-space: nowrap;
}

.nav-menu li a:hover {
    background-color: #555;
}

/* Ukryj elementy mobilne na desktop */
.mobile-only {
    display: none;
}

/* Prawy panel z Wyloguj - widoczny tylko na desktop */
.nav-auth-right {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-left: 15px;
}

.admin-mode-label {
    color: #4CAF50;
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
}

.auth-link {
    color: white;
    text-decoration: none;
    padding: 8px 16px;
    background-color: #4CAF50;
    border-radius: 4px;
    transition: background-color 0.3s;
    white-space: nowrap;
}

.auth-link:hover {
    background-color: #45a049;
}

.mobile-auth-link {
    background-color: #4CAF50 !important;
}

.mobile-auth-link:hover {
    background-color: #45a049 !important;
}

/* Przycisk hamburger - domyślnie ukryty */
.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.hamburger {
    width: 25px;
    height: 3px;
    background-color: white;
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

/* ============================================
   MEDIA QUERIES - URZĄDZENIA MOBILNE
   ============================================ */

@media screen and (max-width: 768px) {
    .nav-container {
        flex-wrap: wrap;
        padding: 0 15px;
    }

    .nav-logo {
        order: 1;
        font-size: 16px;
        margin-right: 15px;
    }

    .nav-container > a:not(.nav-logo):not(.auth-link) {
        order: 2;
        font-size: 14px;
        padding: 12px 14px;
        margin-right: 0;
    }
    
    .nav-toggle {
        display: flex;
        order: 3;
        margin-left: auto;
    }
    
    /* Ukryj desktop auth na mobile */
    .nav-auth-right {
        display: none;
    }
    
    /* Pokaż mobile auth w menu */
    .mobile-only {
        display: block !important;
    }
    
    .nav-menu {
        order: 4;
        width: 100%;
        flex-direction: column;
        background-color: #333;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease-out;
        gap: 0;
        margin-left: 0;
    }
    
    .nav-menu.active {
        max-height: 600px;
        border-top: 1px solid #555;
    }
    
    .nav-menu li {
        width: 100%;
        border-bottom: 1px solid #444;
    }
    
    .nav-menu li a {
        padding: 15px 20px;
        width: 100%;
    }
}

/* Dla bardzo małych ekranów */
@media screen and (max-width: 480px) {
    .nav-logo {
        font-size: 14px;
    }
}