/*
Theme Name: PIORIN E-learning
Theme URI: https://egzamin-paszportowanie.pl
Author: PIORIN
Author URI: https://egzamin-paszportowanie.pl
Description: Lekki, nowoczesny motyw dla platformy edukacyjnej PIORIN - egzaminy paszportowania roślin
Version: 1.0.1
Requires at least: 5.0
Tested up to: 6.4
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: piorin
Tags: education, one-column, custom-menu, featured-images, full-width-template
*/

/* ==========================================================================
   CSS Variables & Reset
   ========================================================================== */

:root {
    /* Colors - Green/White scheme */
    --color-primary: #2e7d32;
    --color-primary-dark: #1b5e20;
    --color-primary-light: #4caf50;
    --color-secondary: #81c784;
    --color-accent: #a5d6a7;

    --color-white: #ffffff;
    --color-bg: #f8faf8;
    --color-bg-alt: #e8f5e9;
    --color-text: #263238;
    --color-text-light: #546e7a;
    --color-text-muted: #78909c;
    --color-border: #c8e6c9;

    /* Typography */
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;

    /* Layout */
    --max-width: 1200px;
    --content-width: 800px;
    --sidebar-width: 300px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 400ms ease;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);

    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-main);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ==========================================================================
   Typography
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-text);
    margin-bottom: var(--space-md);
}

h1 { font-size: 2.25rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.375rem; }
h4 { font-size: 1.125rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; }

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

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

a:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

strong, b { font-weight: 600; }
em, i { font-style: italic; }

ul, ol {
    margin-bottom: var(--space-md);
    padding-left: var(--space-lg);
}

li {
    margin-bottom: var(--space-xs);
}

blockquote {
    border-left: 4px solid var(--color-primary);
    padding-left: var(--space-lg);
    margin: var(--space-lg) 0;
    font-style: italic;
    color: var(--color-text-light);
}

code {
    font-family: var(--font-mono);
    font-size: 0.875em;
    background: var(--color-bg-alt);
    padding: 0.125em 0.375em;
    border-radius: var(--radius-sm);
}

pre {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    background: var(--color-text);
    color: var(--color-white);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin-bottom: var(--space-lg);
}

pre code {
    background: none;
    padding: 0;
}

hr {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: var(--space-xl) 0;
}

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

table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: var(--space-lg);
}

th, td {
    padding: var(--space-sm) var(--space-md);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

th {
    background: var(--color-bg-alt);
    font-weight: 600;
}

/* ==========================================================================
   Layout
   ========================================================================== */

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.content-wrapper {
    max-width: var(--content-width);
    margin: 0 auto;
}

main {
    flex: 1;
    padding: var(--space-2xl) 0;
}

/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) 0;
    gap: var(--space-lg);
}

.site-branding {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.site-logo {
    height: 55px;
    width: auto;
    flex-shrink: 0;
}

/* Fix for inline SVG logo - passport shape 1:2 aspect ratio */
svg.site-logo {
    height: 55px;
    width: 110px;
    min-width: 110px;
    max-width: 110px;
}

.site-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0;
    color: var(--color-primary-dark);
}

.site-title a {
    color: inherit;
    text-decoration: none;
}

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

.site-description {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin: 0;
}

/* Navigation */
.main-navigation {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--space-lg);
}

.nav-menu li {
    margin: 0;
}

.nav-menu a {
    display: block;
    padding: var(--space-sm) var(--space-md);
    color: var(--color-text);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-menu a:hover,
.nav-menu .current-menu-item a {
    color: var(--color-primary);
    background: var(--color-bg-alt);
    text-decoration: none;
}

/* Dropdown sub-menu */
.nav-menu > li {
    position: relative;
}

.nav-menu .sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    list-style: none;
    padding: var(--space-sm) 0;
    margin: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-fast);
    z-index: 1000;
}

.nav-menu > li:hover > .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-menu .sub-menu li {
    margin: 0;
}

.nav-menu .sub-menu a {
    display: block;
    padding: var(--space-sm) var(--space-lg);
    color: var(--color-text);
    font-size: 0.875rem;
    font-weight: 400;
    border-radius: 0;
    white-space: nowrap;
}

.nav-menu .sub-menu a:hover {
    background: var(--color-bg-alt);
    color: var(--color-primary);
}

/* Mobile menu toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    padding: var(--space-sm);
    cursor: pointer;
    color: var(--color-text);
}

.menu-toggle svg {
    width: 24px;
    height: 24px;
}

/* Header search */
.header-search {
    position: relative;
}

.header-search input {
    padding: var(--space-sm) var(--space-md);
    padding-right: 2.5rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    width: 200px;
    transition: all var(--transition-fast);
}

.header-search input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.1);
    width: 250px;
}

.header-search button {
    position: absolute;
    right: var(--space-sm);
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: var(--space-xs);
}

.header-search button:hover {
    color: var(--color-primary);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
    background: var(--color-primary-dark);
    color: var(--color-white);
    padding: var(--space-2xl) 0 var(--space-lg);
    margin-top: auto;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.footer-section h4 {
    color: var(--color-white);
    font-size: 1rem;
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 2px solid var(--color-secondary);
}

.footer-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-section li {
    margin-bottom: var(--space-sm);
}

.footer-section a {
    color: var(--color-accent);
    font-size: 0.875rem;
}

.footer-section a:hover {
    color: var(--color-white);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.875rem;
    color: var(--color-accent);
}

/* ==========================================================================
   Cards & Content Blocks
   ========================================================================== */

.card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.card-image {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
}

.card-content {
    padding: var(--space-lg);
}

.card-title {
    font-size: 1.125rem;
    margin-bottom: var(--space-sm);
}

.card-title a {
    color: var(--color-text);
}

.card-title a:hover {
    color: var(--color-primary);
    text-decoration: none;
}

.card-excerpt {
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-bottom: var(--space-md);
}

.card-meta {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    display: flex;
    gap: var(--space-md);
}

/* Article grid */
.article-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-xl);
}

/* ==========================================================================
   Single Article & Page
   ========================================================================== */

.article-single,
.page-single {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-sm);
}

@media (min-width: 768px) {
    .article-single,
    .page-single {
        padding: var(--space-2xl);
    }
}

.article-header {
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
}

.article-title {
    font-size: 2rem;
    margin-bottom: var(--space-md);
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.article-meta span {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.article-content {
    font-size: 1.0625rem;
    line-height: 1.8;
}

.article-content h2 {
    margin-top: var(--space-2xl);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
}

.article-content h3 {
    margin-top: var(--space-xl);
}

.article-content img {
    border-radius: var(--radius-md);
    margin: var(--space-lg) 0;
}

.article-content figure {
    margin: var(--space-xl) 0;
}

.article-content figcaption {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    text-align: center;
    margin-top: var(--space-sm);
}

/* Article tags */
.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
}

.tag {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: var(--color-bg-alt);
    color: var(--color-primary);
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.tag:hover {
    background: var(--color-primary);
    color: var(--color-white);
    text-decoration: none;
}

/* ==========================================================================
   Knowledge Base / Baza Wiedzy
   ========================================================================== */

.kb-hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding: var(--space-3xl) 0;
    text-align: center;
}

.kb-hero h1 {
    color: var(--color-white);
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
}

.kb-hero p {
    font-size: 1.125rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto var(--space-xl);
}

.kb-search {
    max-width: 500px;
    margin: 0 auto;
    position: relative;
}

.kb-search input {
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    padding-right: 3.5rem;
    font-size: 1rem;
    border: none;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.kb-search input:focus {
    outline: none;
    box-shadow: var(--shadow-lg), 0 0 0 3px rgba(255, 255, 255, 0.3);
}

.kb-search button {
    position: absolute;
    right: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    background: var(--color-primary);
    color: var(--color-white);
    border: none;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.kb-search button:hover {
    background: var(--color-primary-dark);
}

/* Category cards */
.kb-categories {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-lg);
    margin-top: calc(var(--space-3xl) * -1);
    padding: 0 var(--space-lg);
}

.kb-category-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    text-align: center;
}

.kb-category-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.kb-category-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-md);
    background: var(--color-bg-alt);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.kb-category-icon svg {
    width: 32px;
    height: 32px;
    color: var(--color-primary);
}

.kb-category-card h3 {
    font-size: 1.125rem;
    margin-bottom: var(--space-sm);
}

.kb-category-card p {
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin: 0;
}

.kb-category-count {
    display: inline-block;
    margin-top: var(--space-md);
    font-size: 0.75rem;
    color: var(--color-primary);
    font-weight: 600;
}

/* Article list in category */
.kb-article-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.kb-article-item {
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.kb-article-item:last-child {
    border-bottom: none;
}

.kb-article-item a {
    color: var(--color-text);
    font-weight: 500;
    flex: 1;
}

.kb-article-item a:hover {
    color: var(--color-primary);
}

.kb-article-icon {
    width: 24px;
    height: 24px;
    color: var(--color-primary-light);
    flex-shrink: 0;
}

/* ==========================================================================
   Quiz Section
   ========================================================================== */

.quiz-container {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-md);
}

.quiz-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
}

.quiz-progress {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.quiz-progress-bar {
    width: 200px;
    height: 8px;
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.quiz-progress-fill {
    height: 100%;
    background: var(--color-primary);
    transition: width var(--transition-normal);
}

.quiz-timer {
    font-weight: 600;
    color: var(--color-text);
}

.quiz-question {
    margin-bottom: var(--space-xl);
}

.quiz-question h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-lg);
}

.quiz-options {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.quiz-option {
    padding: var(--space-md) var(--space-lg);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.quiz-option:hover {
    border-color: var(--color-primary);
    background: var(--color-bg-alt);
}

.quiz-option.selected {
    border-color: var(--color-primary);
    background: var(--color-bg-alt);
}

.quiz-option.correct {
    border-color: var(--color-primary);
    background: var(--color-bg-alt);
}

.quiz-option.incorrect {
    border-color: #e53935;
    background: #ffebee;
}

.quiz-option-marker {
    width: 24px;
    height: 24px;
    border: 2px solid var(--color-border);
    border-radius: 50%;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.quiz-option.selected .quiz-option-marker {
    border-color: var(--color-primary);
    background: var(--color-primary);
    color: var(--color-white);
}

.quiz-actions {
    display: flex;
    justify-content: space-between;
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn:hover {
    text-decoration: none;
}

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

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

.btn-secondary {
    background: var(--color-bg-alt);
    color: var(--color-primary);
}

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

.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

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

.btn-lg {
    padding: var(--space-md) var(--space-xl);
    font-size: 1rem;
}

.btn-sm {
    padding: var(--space-xs) var(--space-md);
    font-size: 0.75rem;
}

/* ==========================================================================
   Forms
   ========================================================================== */

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

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

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    font-size: 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-white);
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.1);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

.form-checkbox {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
}

.form-checkbox input {
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary);
}

/* ==========================================================================
   Breadcrumbs
   ========================================================================== */

.breadcrumbs {
    padding: var(--space-md) 0;
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.breadcrumbs ul {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--space-sm);
}

.breadcrumbs li {
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.breadcrumbs li:not(:last-child)::after {
    content: '/';
    color: var(--color-border);
}

.breadcrumbs a {
    color: var(--color-text-muted);
}

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

/* ==========================================================================
   Pagination
   ========================================================================== */

.pagination {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    margin-top: var(--space-2xl);
}

.pagination a,
.pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 var(--space-sm);
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.pagination a {
    background: var(--color-white);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.pagination a:hover {
    background: var(--color-bg-alt);
    border-color: var(--color-primary);
    color: var(--color-primary);
    text-decoration: none;
}

.pagination .current {
    background: var(--color-primary);
    color: var(--color-white);
    border: 1px solid var(--color-primary);
}

/* ==========================================================================
   Alerts & Notices
   ========================================================================== */

.alert {
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
}

.alert-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
}

.alert-success {
    background: var(--color-bg-alt);
    border: 1px solid var(--color-primary);
    color: var(--color-primary-dark);
}

.alert-warning {
    background: #fff8e1;
    border: 1px solid #ffc107;
    color: #856404;
}

.alert-error {
    background: #ffebee;
    border: 1px solid #e53935;
    color: #c62828;
}

.alert-info {
    background: #e3f2fd;
    border: 1px solid #2196f3;
    color: #1565c0;
}

/* ==========================================================================
   Gallery
   ========================================================================== */

.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--space-md);
    margin: var(--space-xl) 0;
}

.gallery-item {
    aspect-ratio: 1;
    overflow: hidden;
    border-radius: var(--radius-md);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.gallery-item:hover img {
    transform: scale(1.05);
}

/* ==========================================================================
   Sidebar
   ========================================================================== */

.sidebar {
    padding: var(--space-lg);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.widget {
    margin-bottom: var(--space-xl);
}

.widget:last-child {
    margin-bottom: 0;
}

.widget-title {
    font-size: 1rem;
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 2px solid var(--color-primary);
}

/* ==========================================================================
   Table of Contents
   ========================================================================== */

.toc {
    background: var(--color-bg-alt);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.toc-title {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-muted);
    margin-bottom: var(--space-md);
}

.toc-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.toc-list li {
    margin-bottom: var(--space-sm);
}

.toc-list a {
    font-size: 0.875rem;
    color: var(--color-text);
    display: block;
    padding: var(--space-xs) 0;
}

.toc-list a:hover {
    color: var(--color-primary);
    text-decoration: none;
}

.toc-list .toc-h3 {
    padding-left: var(--space-md);
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

@media (max-width: 1024px) {
    .container {
        padding: 0 var(--space-md);
    }

    .kb-categories {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    html {
        font-size: 15px;
    }

    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }

    .header-inner {
        flex-wrap: wrap;
    }

    .main-navigation {
        order: 3;
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
        display: none;
    }

    .main-navigation.active {
        display: flex;
    }

    .nav-menu {
        flex-direction: column;
        width: 100%;
        gap: 0;
    }

    .nav-menu a {
        padding: var(--space-md);
        border-bottom: 1px solid var(--color-border);
    }

    .menu-toggle {
        display: block;
    }

    .header-search {
        display: none;
    }

    .header-search.active {
        display: block;
        order: 4;
        width: 100%;
        margin-top: var(--space-md);
    }

    .header-search.active input {
        width: 100%;
    }

    .kb-hero {
        padding: var(--space-xl) 0;
    }

    .kb-hero h1 {
        font-size: 1.75rem;
    }

    .kb-categories {
        margin-top: var(--space-xl);
        grid-template-columns: 1fr;
    }

    .article-grid {
        grid-template-columns: 1fr;
    }

    .quiz-header {
        flex-direction: column;
        gap: var(--space-md);
    }

    .quiz-progress-bar {
        width: 100%;
    }

    .quiz-actions {
        flex-direction: column;
        gap: var(--space-md);
    }

    .quiz-actions .btn {
        width: 100%;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-sm);
    }

    .btn {
        width: 100%;
    }

    .card-content {
        padding: var(--space-md);
    }

    .quiz-container {
        padding: var(--space-md);
    }

    .quiz-option {
        padding: var(--space-sm) var(--space-md);
    }
}

/* ==========================================================================
   WordPress Blocks - Gutenberg Styling
   ========================================================================== */

/* Lead paragraph (medium font size) */
.article-content p.has-medium-font-size,
.page-content p.has-medium-font-size {
    font-size: 1.125rem;
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
}

/* Styled lists in content */
.article-content .wp-block-list,
.page-content .wp-block-list {
    list-style: none;
    padding-left: 0;
    margin-bottom: var(--space-xl);
}

.article-content .wp-block-list li,
.page-content .wp-block-list li {
    position: relative;
    padding-left: 1.75rem;
    margin-bottom: var(--space-sm);
    line-height: 1.6;
}

.article-content ul.wp-block-list li::before,
.page-content ul.wp-block-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.5em;
    width: 8px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 50%;
}

/* Ordered lists - step numbers */
.article-content ol.wp-block-list,
.page-content ol.wp-block-list {
    counter-reset: step-counter;
}

.article-content ol.wp-block-list li,
.page-content ol.wp-block-list li {
    counter-increment: step-counter;
    padding-left: 2.5rem;
}

.article-content ol.wp-block-list li::before,
.page-content ol.wp-block-list li::before {
    content: counter(step-counter);
    position: absolute;
    left: 0;
    top: 0;
    width: 1.75rem;
    height: 1.75rem;
    background: var(--color-bg-alt);
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.875rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Headings in content */
.article-content h2.wp-block-heading,
.page-content h2.wp-block-heading {
    font-size: 1.5rem;
    margin-top: var(--space-2xl);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-sm);
    border-bottom: 2px solid var(--color-bg-alt);
    color: var(--color-text);
}

.article-content h3.wp-block-heading,
.page-content h3.wp-block-heading {
    font-size: 1.25rem;
    margin-top: var(--space-xl);
    margin-bottom: var(--space-md);
    color: var(--color-primary-dark);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.article-content h3.wp-block-heading::before,
.page-content h3.wp-block-heading::before {
    content: "";
    width: 4px;
    height: 1.25rem;
    background: var(--color-primary);
    border-radius: 2px;
    flex-shrink: 0;
}

/* Links in content */
.article-content a,
.page-content a {
    color: var(--color-primary);
    text-decoration: underline;
    text-decoration-color: var(--color-border);
    text-underline-offset: 2px;
    transition: all var(--transition-fast);
}

.article-content a:hover,
.page-content a:hover {
    color: var(--color-primary-dark);
    text-decoration-color: var(--color-primary);
}

/* Strong text highlight */
.article-content strong,
.page-content strong {
    color: var(--color-text);
    font-weight: 600;
}

/* Info boxes for "Uwaga:" paragraphs */
.article-content p:has(strong:first-child),
.page-content p:has(strong:first-child) {
    background: var(--color-bg-alt);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-primary);
    margin: var(--space-lg) 0;
}

/* Nested lists */
.article-content .wp-block-list .wp-block-list,
.page-content .wp-block-list .wp-block-list {
    margin-top: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.article-content .wp-block-list .wp-block-list li::before,
.page-content .wp-block-list .wp-block-list li::before {
    width: 6px;
    height: 6px;
    background: var(--color-secondary);
}

/* ==========================================================================
   Print Styles
   ========================================================================== */

@media print {
    .site-header,
    .site-footer,
    .sidebar,
    .quiz-container,
    .btn,
    .pagination {
        display: none !important;
    }

    body {
        background: white;
        color: black;
        font-size: 12pt;
    }

    a {
        color: black;
        text-decoration: underline;
    }

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

    .article-content {
        font-size: 11pt;
    }
}

/* ==========================================================================
   Accessibility
   ========================================================================== */

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

:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Skip link */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--space-sm) var(--space-lg);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    z-index: 1000;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 0;
}

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

    html {
        scroll-behavior: auto;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --color-border: #000000;
        --color-text-light: #000000;
        --color-text-muted: #000000;
    }

    .btn-outline {
        border-width: 3px;
    }
}