/* ================================
   Climate Resource Hub - Clean Start
   ================================ */

/* Color Variables - YOUNGO Theme */

:root {
    --primary-teal: #1a5c5c;
    --dark-teal: #0d3d3d;
    --primary-green: #4a9d5f;
    --light-green: #76b041;
    --accent-pink: #e88ba8;
    --cream: #f5f0e8;
    --light-bg: #e8f4f0;
    --card-bg: #ffffff;
    --text-dark: #1a1a1a;
    --border-color: #4a9d5f;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

[data-md-color-scheme="slate"] {
    /* Mirror light mode to effectively disable dark mode */
    --light-bg: var(--light-bg);
    --card-bg: var(--card-bg);
    --text-dark: var(--text-dark);
    --border-color: var(--border-color);
}

body {
    background: linear-gradient(135deg, var(--light-bg) 0%, var(--cream) 100%);
    color-scheme: light;
    position: relative;
}

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

/* Main header background */
.md-header {
    background: var(--dark-teal);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
}

/* Remove any extra space in header */
.md-header__inner {
    padding: 0;
}

/* Site title styling */
.md-header__title {
    font-family: 'VT323', monospace;
    font-size: clamp(1rem, 4vw, 1.6rem);
    font-weight: 400;
    letter-spacing: 0.06em;
    color: var(--cream);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

@media (max-width: 480px) {
    .md-header__title {
        font-size: 1rem;
        letter-spacing: 0.02em;
    }
}

/* Navigation tabs styling */
.md-tabs {
    background: var(--primary-teal);
    font-family: 'VT323', monospace;
    font-size: 1.1rem;
    transition: transform 0.3s ease-in-out;
    height: auto;
    min-height: 48px;
    box-shadow: none;
    position: relative;
    top: 0;
    margin: 0;
}

/* Keep nav links packed to the left instead of stretching across the bar */
.md-tabs__inner {
    justify-content: flex-start !important;
    padding: 0 1rem;
    align-items: center;
    min-height: 48px;
}

.md-tabs__list {
    justify-content: flex-start !important;
    gap: 0.5rem;
    width: auto;
    flex: 0 0 auto;
    align-items: center;
    margin: 0;
}

.md-tabs__item {
    flex: 0 0 auto !important;
    height: auto;
    display: flex;
    align-items: center;
    margin: 0;
    padding: 0;
}

/* Hide tabs when scrolling down */
[data-md-state="hidden"] .md-tabs {
    transform: translateY(-100%);
}

.md-tabs__link {
    font-weight: 400;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 0.75rem 1.2rem;
    color: var(--light-bg);
    font-size: 1.3rem;
    line-height: 1;
    background: transparent !important;
    transition: none;
}

.md-tabs__link--active,
.md-tabs__link:hover {
    opacity: 1;
    font-weight: 700;
    color: #fff;
    text-shadow: 1px 1px 0 var(--accent-plum);
    background: transparent !important;
}

/* Search bar styling */
.md-search__form {
    background-color: white !important;
    border-radius: 12px;
}

.md-search__input {
    background-color: white !important;
    color: var(--text-dark) !important;
}

.md-search__input::placeholder {
    color: #6b7280 !important;
}

/* Search results overlay */
.md-search__overlay {
    background-color: rgba(0, 0, 0, 0.54) !important;
}

.md-search__output {
    background-color: white !important;
    border-radius: 0 0 12px 12px !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15) !important;
    z-index: 100 !important;
}

.md-search__scrollwrap {
    background-color: white !important;
    border-radius: 0 0 12px 12px !important;
    z-index: 100 !important;
}

/* Search result items */
.md-search-result {
    background-color: white !important;
}

.md-search-result__meta {
    background-color: var(--light-bg) !important;
    color: var(--text-dark) !important;
    font-family: 'VT323', monospace !important;
}

.md-search-result__item {
    border-bottom: 1px solid #e5e7eb !important;
    background-color: white !important;
}

.md-search-result__link {
    color: var(--text-dark) !important;
}

.md-search-result__link:hover {
    background-color: var(--light-bg) !important;
}

.md-search-result__title {
    color: var(--primary-green) !important;
    font-family: 'VT323', monospace !important;
    font-size: 1.1rem !important;
}

.md-search-result__teaser {
    color: #4b5563 !important;
}

.md-search-result__more summary {
    color: var(--primary-green) !important;
}

.md-search-result__article {
    color: var(--text-dark) !important;
}

[data-md-color-scheme="slate"] .md-search__output,
[data-md-color-scheme="slate"] .md-search__scrollwrap,
[data-md-color-scheme="slate"] .md-search-result,
[data-md-color-scheme="slate"] .md-search-result__item {
    background-color: white !important;
}

/* ================================
   Layout: Full Width Content
   ================================ */

/* Hide right sidebar on all screens, keep left for mobile nav */
.md-sidebar--secondary {
    display: none !important;
}

/* Hide left sidebar only on desktop */
@media (min-width: 76.25em) {
    .md-sidebar--primary {
        display: none !important;
    }
}

/* Full width content */
.md-main__inner {
    margin-left: 0 !important;
    margin-right: 0 !important;
}

.md-content {
    max-width: 100% !important;
}

.md-content__inner {
    margin-left: auto;
    margin-right: auto;
    max-width: 98%;
    padding: 2rem 1rem;
}

@media (max-width: 768px) {
    .md-content__inner {
        padding: 1rem 0.5rem;
    }
}

/* ================================
   Hero Section with YOUNGO Logo
   ================================ */

.hero-section {
    text-align: center;
    padding: 2rem 1rem;
    margin-bottom: 2rem;
    position: relative;
}

.youngo-logo {
    max-width: 200px;
    width: 100%;
    height: auto;
    margin: 0 auto 1rem;
    display: block;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

@media (max-width: 768px) {
    .youngo-logo {
        max-width: 150px;
    }
}

/* Decorative nature elements - disabled */
body::before,
body::after {
    display: none !important;
}

.md-content::before,
.md-content::after {
    display: none !important;
}

/* Ensure content stays above decorations */
.md-content__inner,
.md-header,
.md-tabs {
    position: relative;
    z-index: 1;
}

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

/* Keep pixel font for headings */
.md-typeset h1 {
    font-family: 'VT323', monospace;
    font-size: 2rem;
    color: var(--text-dark);
    margin-bottom: 0.75rem;
    line-height: 1.2;
}

.md-typeset h2 {
    font-family: 'VT323', monospace;
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-top: 1.25rem;
    margin-bottom: 0.625rem;
}

.md-typeset h3,
.md-typeset h4 {
    font-family: 'VT323', monospace;
    color: var(--text-dark);
}

/* Clean readable font for body text */
.md-typeset {
    color: var(--text-dark);
}

.md-typeset p,
.md-typeset li,
.resource-card p {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica', 'Arial', sans-serif !important;
    font-size: 1rem;
    line-height: 1.6;
}

/* ================================
   Kanban Board Layout
   ================================ */

.kanban-board {
    display: flex;
    gap: 1rem;
    margin: 2rem 0;
    overflow-x: auto;
    overflow-y: visible;
    padding-bottom: 0.75rem;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
}

/* Hide scrollbar but keep functionality */
.kanban-board::-webkit-scrollbar {
    height: 6px;
}

.kanban-board::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 20px;
}

.kanban-board::-webkit-scrollbar-thumb {
    background: #10b981;
    border-radius: 20px;
}

.kanban-board::-webkit-scrollbar-thumb:hover {
    background: #059669;
}

.kanban-column {
    min-width: 260px;
    max-width: 260px;
    flex: 0 0 260px;
    background: linear-gradient(135deg, #ffffff 0%, var(--cream) 100%);
    border-radius: 18px;
    padding: 1rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

[data-md-color-scheme="slate"] .kanban-column {
    background: rgba(255, 255, 255, 0.7);
}

.kanban-column > h3 {
    font-size: 1.5rem;
    margin: 0 0 1rem 0 !important;
    padding-bottom: 0.625rem;
    border-bottom: 2.5px solid var(--primary-green);
    font-family: 'VT323', monospace;
    line-height: 1.2;
    color: var(--primary-teal);
}

/* ================================
   Section Cards (Homepage)
   ================================ */

.section-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.25rem;
    margin: 2rem 0;
}

.section-card {
    background: linear-gradient(135deg, #ffffff 0%, var(--cream) 100%);
    border: 3px dashed var(--primary-green);
    border-radius: 20px;
    padding: 1.5rem;
    text-align: center;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

[data-md-color-scheme="slate"] .section-card {
    background: linear-gradient(135deg, #ffffff 0%, var(--cream) 100%);
    border-color: var(--primary-green);
}

.section-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 16px rgba(74, 157, 95, 0.2);
    border-color: var(--light-green);
    border-width: 3px;
}

.section-icon {
    font-size: 3rem;
    margin-bottom: 0.75rem;
}

.section-card h3 {
    font-family: 'VT323', monospace;
    font-size: 1.5rem;
    margin: 0.5rem 0 0.5rem 0 !important;
    color: var(--text-dark);
}

.section-card p {
    font-size: 0.875rem;
    color: #6b7280;
    margin: 0 !important;
    line-height: 1.4;
}

[data-md-color-scheme="slate"] .section-card p {
    color: #6b7280;
}

@media (max-width: 768px) {
    .section-cards {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 1rem;
    }
    
    .section-icon {
        font-size: 2.5rem;
    }
    
    .section-card h3 {
        font-size: 1.3rem;
    }
    
    .section-card p {
        font-size: 0.8rem;
    }
}

/* Responsive kanban */
@media (max-width: 1200px) {
    .kanban-board {
        gap: 0.875rem;
    }
    
    .kanban-column {
        min-width: 240px;
        padding: 0.875rem;
    }
    
    .kanban-column > h3 {
        font-size: 1.4rem;
    }
}

@media (max-width: 768px) {
    .kanban-board {
        overflow-x: scroll;
        -webkit-overflow-scrolling: touch;
        gap: 0.75rem;
    }
    
    .kanban-column {
        min-width: 220px;
        max-width: 260px;
        flex: 0 0 auto;
        padding: 0.75rem;
    }
    
    .kanban-column > h3 {
        font-size: 1.3rem;
    }
}

@media (max-width: 480px) {
    .kanban-column {
        min-width: 200px;
        padding: 0.625rem;
    }
    
    .kanban-column > h3 {
        font-size: 1.15rem;
    }
    
    .resource-card {
        padding: 0.625rem 0.75rem;
    }
    
    .resource-card h4 {
        font-size: 0.95rem;
    }
    
    .resource-card p {
        font-size: 0.7rem;
    }
}

a.resource-card-link {
    display: block;
    text-decoration: none;
    color: inherit;
    margin: 0 0 0.75rem 0;
}

.resource-card {
    background: #ffffff;
    border: 2px dashed var(--primary-green);
    border-radius: 14px;
    padding: 0.75rem 0.875rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    transition: all 0.2s ease;
    cursor: pointer;
}

[data-md-color-scheme="slate"] .resource-card {
    background: linear-gradient(135deg, #ffffff 0%, #fdfcfa 100%);
    border-color: var(--primary-green);
}

a.resource-card-link:hover .resource-card {
    box-shadow: 0 3px 8px rgba(74, 157, 95, 0.15);
    transform: translateY(-2px);
    border-color: var(--light-green);
    border-width: 2px;
}

.resource-card h4 {
    font-size: 1.1rem;
    margin: 0 0 0.35rem 0 !important;
    font-family: 'VT323', monospace;
    line-height: 1.2;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-dark);
    transition: color 0.2s ease;
}

.card-favicon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    vertical-align: middle;
}

a.resource-card-link:hover .resource-card h4 {
    color: var(--primary-green);
}

.resource-card p {
    font-size: 0.75rem;
    margin: 0.25rem 0 0 0 !important;
    line-height: 1.4;
    color: #6b7280;
}

[data-md-color-scheme="slate"] .resource-card p {
    color: #6b7280;
}

/* Hide back to top button */
.md-top {
    display: none !important;
}

@media (max-width: 480px) {
    .resource-card {
        padding: 1rem;
    }
    
    .resource-card h4 {
        font-size: 1.15rem;
    }
}

/* ================================
   ACCESSIBILITY ENHANCEMENTS
   ================================ */

/* Enhanced focus indicators */
a:focus,
button:focus,
input:focus,
textarea:focus,
select:focus {
    outline: 3px solid var(--primary-green);
    outline-offset: 2px;
}

.section-card:focus,
.resource-card a:focus {
    outline: 3px solid var(--primary-green);
    outline-offset: 4px;
    box-shadow: 0 0 0 4px rgba(48, 170, 0, 0.2);
}

/* Ensure focus is visible on navigation */
.md-tabs__link:focus,
.md-nav__link:focus {
    outline: 3px solid var(--primary-green);
    outline-offset: 2px;
    background: rgba(48, 170, 0, 0.1);
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --border-color: #000000;
    }
    
    .resource-card,
    .section-card,
    .kanban-column {
        border-width: 3px;
        border-color: #000000;
    }
    
    .section-card:hover,
    .resource-card:hover {
        border-color: var(--primary-green);
        box-shadow: 0 0 0 3px var(--primary-green);
    }
}

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

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

/* Focus visible for keyboard navigation */
.resource-card a:focus-visible,
.section-card:focus-visible {
    outline: 3px solid var(--primary-green);
    outline-offset: 4px;
}

/* Improved link contrast */
a {
    color: var(--primary-teal);
    text-decoration-color: var(--primary-green);
}

a:hover {
    color: var(--primary-green);
    text-decoration-thickness: 2px;
}

/* ARIA live region styling */
[aria-live="polite"],
[aria-live="assertive"] {
    position: absolute;
    left: -10000px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* Ensure text remains readable at 200% zoom */
@media (min-width: 1280px) {
    .resource-card,
    .section-card {
        font-size: clamp(14px, 1vw, 16px);
    }
}

/* Print styles for accessibility */
@media print {
    .skip-link,
    .md-header,
    .md-tabs,
    .md-sidebar {
        display: none;
    }
    
    .resource-card,
    .section-card {
        border: 2px solid #000;
        page-break-inside: avoid;
    }
    
    a::after {
        content: " (" attr(href) ")";
        font-size: 0.8em;
    }
}

/* Dark mode focus indicators */
@media (prefers-color-scheme: dark) {
    .skip-link:focus,
    a:focus,
    button:focus {
        outline-color: #76b041;
    }
}