/* Plant Story Cards - Minimal Design with Japanese Color Accents */

@import url('https://fonts.cdnfonts.com/css/apercu');

:root {
    /* Traditional Japanese Nature Colors (for subtle accents) */
    --wakatake: #6B9362;      /* 若竹色 - Young bamboo green */
    --sakura: #FCC9B9;        /* 桜色 - Cherry blossom pink */
    --asagi: #48929B;         /* 浅葱色 - Light blue-teal */
    --koke: #8B7D3A;          /* 苔色 - Moss green */
    
    /* Primary Colors (keeping original minimal aesthetic) */
    --primary-black: #000;
    --primary-white: #fff;
    --gray-light: #f8f8f8;
    --gray-lighter: #f0f0f0;
    --gray-medium: #999;
    --gray-dark: #666;
    --gray-darker: #333;
    
    /* Accent Usage (Japanese colors used sparingly) */
    --accent-green: var(--wakatake);  /* Used for nature/plant highlights only */
    --accent-pink: var(--sakura);     /* Used for special CTAs only */
    --accent-water: var(--asagi);     /* Used for water-related content only */
    
    /* Typography */
    --font-primary: 'Apercu', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;
    
    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 40px;
    --spacing-xl: 60px;
    --spacing-xxl: 80px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--primary-black);
    background: var(--primary-white);
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Skip Navigation */
.skip-nav {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-black);
    color: var(--primary-white);
    padding: var(--spacing-sm);
    z-index: 100;
    text-decoration: none;
}

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

/* Header & Navigation - Keeping original minimal style */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--primary-white);
    border-bottom: 2px solid var(--primary-black);
}

.site-nav {
    padding: var(--spacing-sm) 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 24px;
    font-weight: 700;
    text-decoration: none;
    color: var(--primary-black);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: var(--transition-fast);
}

.nav-logo:hover {
    opacity: 0.7;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: 2px solid var(--primary-black);
    padding: var(--spacing-xs);
    cursor: pointer;
    width: 44px;
    height: 44px;
    position: relative;
}

.menu-icon {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--primary-black);
    position: relative;
}

.menu-icon::before,
.menu-icon::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 2px;
    background: var(--primary-black);
    left: 0;
}

.menu-icon::before {
    top: -6px;
}

.menu-icon::after {
    top: 6px;
}

.nav-links {
    display: flex;
    gap: var(--spacing-sm);
    list-style: none;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--primary-black);
    padding: var(--spacing-xs) var(--spacing-sm);
    font-weight: 500;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 2px solid transparent;
    transition: var(--transition-fast);
}

.nav-link:hover,
.nav-link:focus {
    border-color: var(--primary-black);
}

.nav-link.active {
    background: var(--primary-black);
    color: var(--primary-white);
}

.nav-cta {
    background: var(--accent-green);
    color: var(--primary-white);
    border-color: var(--accent-green);
}

.nav-cta:hover,
.nav-cta:focus {
    background: transparent;
    color: var(--accent-green);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xxl) var(--spacing-lg);
}

/* Hero Section - Minimal with subtle accent */
.hero-section {
    text-align: center;
    padding: var(--spacing-xl) 0;
    margin-bottom: var(--spacing-xl);
    border-bottom: 2px solid var(--primary-black);
}

.hero-title {
    font-size: clamp(40px, 10vw, 72px);
    letter-spacing: -3px;
    margin-bottom: 20px;
    animation: fadeInUp 0.8s ease;
    color: var(--primary-black);
}

.hero-subtitle {
    font-size: clamp(18px, 3vw, 24px);
    color: var(--gray-dark);
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.4s backwards;
}

.cta-section {
    margin-top: 30px;
    animation: fadeInUp 0.8s ease 0.6s backwards;
}

.cta-subtitle {
    font-size: 14px;
    color: var(--gray-dark);
    margin-top: 10px;
}

/* Buttons - Black and white primary */
.btn {
    padding: 16px 32px;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    transition: var(--transition-medium);
    border: 2px solid var(--primary-black);
    display: inline-block;
    cursor: pointer;
    position: relative;
}

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

.btn-primary:hover,
.btn-primary:focus {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

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

.btn-secondary:hover,
.btn-secondary:focus {
    background: var(--primary-black);
    color: var(--primary-white);
}

.btn-cta {
    background: var(--accent-green);
    color: var(--primary-white);
    border-color: var(--accent-green);
}

.btn-cta:hover,
.btn-cta:focus {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(107, 147, 98, 0.3);
}

/* Search & Filter */
.search-filter-section {
    margin: var(--spacing-lg) 0;
}

.search-container {
    position: relative;
    margin-bottom: var(--spacing-md);
}

.search-input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--primary-black);
    font-size: 16px;
    font-family: inherit;
    background: var(--primary-white);
}

.search-input:focus {
    outline: 2px solid var(--accent-green);
    outline-offset: 2px;
}

.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--primary-white);
    border: 2px solid var(--primary-black);
    border-top: none;
    max-height: 300px;
    overflow-y: auto;
    z-index: 100;
    display: none;
}

.search-results.active {
    display: block;
}

.search-result {
    padding: var(--spacing-sm);
    cursor: pointer;
    border-bottom: 1px solid var(--gray-lighter);
}

.search-result:hover {
    background: var(--gray-light);
}

.search-result:last-child {
    border-bottom: none;
}

.filter-container,
.story-filters {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--gray-light);
}

.filter-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 2px solid var(--primary-black);
    background: var(--primary-white);
    color: var(--primary-black);
    font-size: 14px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: var(--transition-fast);
    font-family: inherit;
}

.filter-btn:hover,
.filter-btn:focus,
.filter-btn.active {
    background: var(--primary-black);
    color: var(--primary-white);
}

.filter-btn:focus {
    outline: 2px solid var(--accent-green);
    outline-offset: 2px;
}

/* Stats Grid */
.overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2px;
    margin: var(--spacing-xl) 0;
    background: var(--primary-black);
}

.stat-card {
    background: var(--primary-white);
    padding: var(--spacing-lg);
    text-align: left;
    transition: var(--transition-medium);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}

.stat-number {
    font-size: clamp(36px, 6vw, 64px);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    letter-spacing: -3px;
    color: var(--primary-black);
}

.stat-label {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin: 0;
    font-weight: 500;
    color: var(--gray-dark);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 500;
    line-height: 1.2;
    color: var(--primary-black);
}

h2 {
    font-size: clamp(20px, 3vw, 24px);
    margin-top: var(--spacing-xxl);
    margin-bottom: 30px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

h3 {
    font-size: 18px;
    margin-top: var(--spacing-lg);
    margin-bottom: 20px;
    letter-spacing: 0.5px;
}

h4 {
    font-size: 16px;
    margin-bottom: var(--spacing-sm);
}

p {
    margin-bottom: var(--spacing-sm);
    line-height: 1.7;
}

strong {
    font-weight: 500;
}

/* Lists */
ol {
    padding-left: 0;
    counter-reset: item;
    margin: 30px 0;
}

ol li {
    counter-increment: item;
    margin-bottom: var(--spacing-sm);
    padding-left: var(--spacing-lg);
    position: relative;
    list-style: none;
}

ol li:before {
    content: counter(item, decimal-leading-zero);
    position: absolute;
    left: 0;
    font-weight: 500;
    font-size: 14px;
    color: var(--gray-dark);
}

ul {
    list-style: none;
    padding-left: 0;
}

ul li {
    padding: 12px 0 12px var(--spacing-md);
    position: relative;
    border-bottom: 1px solid var(--gray-lighter);
}

ul li:before {
    content: "—";
    position: absolute;
    left: 0;
}

ul li:last-child {
    border-bottom: none;
}

/* Theme Sections */
.theme-section {
    border-top: 1px solid var(--primary-black);
    padding: 30px 0;
    margin: 30px 0;
}

.theme-section h3 {
    font-size: 16px;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.theme-subsection {
    margin-bottom: var(--spacing-md);
}

.theme-subsection h4 {
    font-size: 14px;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

/* Tags */
.tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin: var(--spacing-sm) 0;
}

.tag {
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--primary-black);
    padding: 8px 16px;
    font-size: 14px;
    transition: var(--transition-fast);
    cursor: pointer;
    background: var(--primary-white);
    font-family: inherit;
}

.tag:hover,
.tag:focus {
    background: var(--primary-black);
    color: var(--primary-white);
    transform: translateY(-2px);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.tag:focus {
    outline: 2px solid var(--accent-green);
    outline-offset: 2px;
}

.tag.active {
    background: var(--primary-black);
    color: var(--primary-white);
}

/* Highlight Box */
.highlight-box {
    border: 2px solid var(--primary-black);
    padding: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
    background: var(--primary-white);
}

.highlight-box h2,
.highlight-box h3 {
    margin-top: 0;
}

/* Insight Grid */
.insight-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2px;
    margin: var(--spacing-lg) 0;
    background: var(--primary-black);
}

.insight-card {
    background: var(--primary-white);
    padding: 30px;
    min-height: 120px;
    display: flex;
    flex-direction: column;
    transition: var(--transition-medium);
    cursor: default;
}

.insight-card:hover {
    background: var(--gray-light);
    transform: scale(1.02);
}

.insight-card h3 {
    font-size: 16px;
    margin-top: 0;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.insight-card p {
    font-size: 14px;
    line-height: 1.6;
    color: var(--gray-darker);
    margin: 0;
}

/* Stories Page Specific */
.stories-hero {
    text-align: center;
    padding: var(--spacing-xl) 0;
    margin-bottom: var(--spacing-xl);
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border-bottom: 2px solid var(--primary-black);
}

.stories-hero h1 {
    font-size: clamp(32px, 6vw, 56px);
    margin-bottom: var(--spacing-sm);
}

.stories-hero p {
    font-size: 18px;
    color: var(--gray-dark);
    max-width: 600px;
    margin: 0 auto;
}

.story-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.story-card {
    background: var(--primary-white);
    border: 2px solid var(--primary-black);
    padding: var(--spacing-md);
    transition: var(--transition-medium);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.story-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--accent-green);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
}

.story-card:hover::before {
    transform: translateX(0);
}

.story-card:hover {
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    transform: translateY(-4px);
}

.story-type {
    display: inline-block;
    background: var(--primary-black);
    color: var(--primary-white);
    padding: 4px 12px;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-sm);
}

.story-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-black);
}

.story-content {
    font-size: 15px;
    line-height: 1.6;
    color: var(--gray-darker);
    margin-bottom: var(--spacing-sm);
}

.story-quote {
    font-style: italic;
    border-left: 3px solid var(--accent-green);
    padding-left: var(--spacing-sm);
    margin: var(--spacing-sm) 0;
}

.story-meta {
    font-size: 13px;
    color: var(--gray-medium);
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--gray-lighter);
}

.story-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-xs);
}

.story-tag {
    background: var(--gray-lighter);
    padding: 2px 8px;
    font-size: 11px;
    border-radius: 12px;
    color: var(--gray-dark);
}

/* Wisdom Section - Subtle yellow accent */
.wisdom-section {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border: 2px solid var(--primary-black);
    padding: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.wisdom-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.wisdom-card {
    background: var(--primary-white);
    padding: var(--spacing-md);
    border: 1px solid var(--primary-black);
}

.wisdom-quote {
    font-size: 16px;
    font-style: italic;
    line-height: 1.6;
    color: var(--primary-black);
    margin-bottom: var(--spacing-sm);
}

.wisdom-context {
    font-size: 13px;
    color: var(--gray-dark);
}

.featured-story {
    background: linear-gradient(135deg, var(--primary-white) 0%, var(--gray-light) 100%);
    border: 3px solid var(--primary-black);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.featured-badge {
    position: absolute;
    top: -12px;
    left: 30px;
    background: var(--accent-green);
    color: var(--primary-white);
    padding: 4px 16px;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.places-section {
    margin: var(--spacing-xl) 0;
}

.place-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.place-card {
    background: var(--primary-white);
    border: 1px solid var(--primary-black);
    padding: var(--spacing-sm);
    text-align: center;
    transition: var(--transition-fast);
}

.place-card:hover {
    background: var(--gray-light);
    transform: scale(1.05);
}

.place-name {
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--primary-black);
}

.place-story {
    font-size: 13px;
    color: var(--gray-darker);
}

/* Plant Database Specific Styles */
.plant-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.plant-card {
    background: var(--primary-white);
    border: 2px solid var(--primary-black);
    padding: var(--spacing-md);
    transition: var(--transition-medium);
    cursor: pointer;
}

.plant-card:hover {
    box-shadow: 4px 4px 0 var(--primary-black);
    transform: translate(-2px, -2px);
}

.plant-name {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--primary-black);
}

.plant-scientific {
    font-size: 14px;
    font-style: italic;
    color: var(--gray-medium);
    margin-bottom: var(--spacing-sm);
}

.plant-type {
    display: inline-block;
    background: var(--primary-black);
    color: var(--primary-white);
    padding: 4px 8px;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-sm);
}

.plant-description {
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

.plant-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
}

.plant-tag {
    background: var(--gray-light);
    padding: 4px 8px;
    font-size: 12px;
    border: 1px solid var(--gray-medium);
}

.plant-mentions {
    font-size: 12px;
    color: var(--gray-medium);
    margin-top: var(--spacing-sm);
}

/* Info List */
.info-list {
    display: grid;
    gap: var(--spacing-sm);
}

.info-list dt {
    font-weight: 500;
    margin-bottom: 4px;
    color: var(--primary-black);
}

.info-list dd {
    margin-left: 0;
    color: var(--gray-darker);
}

/* Footer */
.footer {
    margin-top: var(--spacing-xl);
    padding: 20px;
    text-align: center;
    border-top: 1px solid #ddd;
}

.footer p {
    font-size: 14px;
    color: var(--gray-dark);
}

.footer a {
    color: var(--primary-black);
    font-weight: 500;
}

.copyright {
    font-size: 12px;
    color: var(--gray-medium);
    margin-top: 20px;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--primary-black);
    color: var(--primary-white);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 24px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-medium);
    z-index: 1000;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Screen Reader Only */
.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;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 30px 16px;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--primary-white);
        border-top: 2px solid var(--primary-black);
        padding: var(--spacing-sm);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
    
    .overview-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-card {
        padding: var(--spacing-md) 20px;
    }
    
    ol li {
        padding-left: 30px;
        font-size: 15px;
    }
    
    .tag {
        padding: 10px 14px;
        font-size: 13px;
        min-height: 44px;
    }
    
    .highlight-box {
        padding: var(--spacing-md) var(--spacing-sm);
    }
    
    .insight-grid {
        grid-template-columns: 1fr;
    }
    
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 44px;
        height: 44px;
    }

    /* Stories page responsive */
    .story-grid {
        grid-template-columns: 1fr;
    }

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

    .place-cards {
        grid-template-columns: 1fr;
    }

    .featured-badge {
        left: 20px;
    }
}

@media (max-width: 375px) {
    .container {
        padding: var(--spacing-md) 12px;
    }
    
    .tag {
        padding: var(--spacing-xs) 12px;
        font-size: 12px;
    }
}

/* Print Styles */
@media print {
    .site-header,
    .search-filter-section,
    .back-to-top,
    .skip-nav {
        display: none;
    }
    
    body {
        font-size: 12pt;
    }
    
    .container {
        max-width: 100%;
        padding: 0;
    }
    
    .tag {
        border: 1px solid #000;
        page-break-inside: avoid;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Focus Visible */
*:focus-visible {
    outline: 2px solid var(--accent-green);
    outline-offset: 2px;
}

/* Selection */
::selection {
    background: var(--accent-green);
    color: var(--primary-white);
}

::-moz-selection {
    background: var(--accent-green);
    color: var(--primary-white);
}