/* One Square Meter - Stylesheet */

/* ========================================
   CSS Variables / Theme
   ======================================== */
:root {
    --color-bg: #faf9f7;
    --color-bg-alt: #f0ede8;
    --color-text: #2d3a2e;
    --color-text-light: #5a6b5c;
    --color-accent: #4a7c4e;
    --color-accent-dark: #3a6340;
    --color-border: #d4d0c8;
    --color-shadow: rgba(45, 58, 46, 0.1);

    --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
    --font-heading: Georgia, "Times New Roman", serif;

    --max-width: 1200px;
    --content-width: 800px;
    --spacing: 1.5rem;
    --radius: 8px;
}

/* ========================================
   Reset & Base
   ======================================== */
*, *::before, *::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: normal;
    line-height: 1.3;
    margin: 0 0 1rem 0;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }

p {
    margin: 0 0 1rem 0;
}

a {
    color: var(--color-accent);
    text-decoration: none;
}

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

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

ul, ol {
    margin: 0 0 1rem 0;
    padding-left: 1.5rem;
}

li {
    margin-bottom: 0.5rem;
}

/* ========================================
   Layout
   ======================================== */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing);
}

.page-content {
    max-width: var(--content-width);
}

/* ========================================
   Header
   ======================================== */
.site-header {
    background: var(--color-bg-alt);
    border-bottom: 1px solid var(--color-border);
    padding: 1rem 0;
}

.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.site-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    color: var(--color-text);
    text-decoration: none;
}

.site-title:hover {
    color: var(--color-accent);
    text-decoration: none;
}

.site-nav {
    display: flex;
    gap: 1.5rem;
}

.site-nav a {
    color: var(--color-text-light);
    font-size: 0.95rem;
}

.site-nav a:hover {
    color: var(--color-accent);
    text-decoration: none;
}

.rss-link {
    font-size: 0.85rem;
    padding: 0.25rem 0.5rem;
    background: var(--color-accent);
    color: white !important;
    border-radius: 3px;
}

.rss-link:hover {
    background: var(--color-accent-dark);
}

/* ========================================
   Footer
   ======================================== */
.site-footer {
    background: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    padding: 2rem 0;
    margin-top: 3rem;
    text-align: center;
    color: var(--color-text-light);
    font-size: 0.9rem;
}

.site-footer p {
    margin: 0.25rem 0;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    background: var(--color-bg-alt);
    background-size: cover;
    background-position: center;
    padding: 4rem 0;
    text-align: center;
    border-bottom: 1px solid var(--color-border);
    position: relative;
}

.hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero .hero-blurb {
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.hero-blurb {
    font-size: 1.1rem;
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   Navigation Cards
   ======================================== */
.nav-cards {
    padding: 2rem 0;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.nav-card {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.5rem;
    text-decoration: none;
    transition: box-shadow 0.2s, transform 0.2s;
}

.nav-card:hover {
    box-shadow: 0 4px 12px var(--color-shadow);
    transform: translateY(-2px);
    text-decoration: none;
}

.nav-card h3 {
    color: var(--color-text);
    margin-bottom: 0.5rem;
}

.nav-card p {
    color: var(--color-text-light);
    font-size: 0.9rem;
    margin: 0;
}

/* ========================================
   Latest Sightings Strip
   ======================================== */
.latest {
    padding: 2rem 0;
    background: white;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.latest h2 {
    margin-bottom: 1.5rem;
}

.latest-strip {
    display: flex;
    gap: 1rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
}

.latest-item {
    flex: 0 0 auto;
    width: 150px;
    text-decoration: none;
}

.latest-item img {
    width: 150px;
    height: 150px;
    object-fit: cover;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
}

.latest-item .latest-name {
    display: block;
    font-size: 0.85rem;
    color: var(--color-text);
    margin-top: 0.5rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.latest-item .latest-date {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text-light);
}

.latest-item.more {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100px;
    height: 150px;
    background: var(--color-bg-alt);
    border-radius: var(--radius);
    border: 1px dashed var(--color-border);
    color: var(--color-text-light);
    font-size: 0.9rem;
}

.latest-item.more:hover {
    background: var(--color-bg);
    color: var(--color-accent);
}

/* ========================================
   Recent Posts (Home)
   ======================================== */
.recent-posts {
    padding: 2rem 0;
}

.recent-posts h2 {
    margin-bottom: 1rem;
}

.posts-list {
    list-style: none;
    padding: 0;
    margin: 0 0 1rem 0;
}

.posts-list li {
    margin: 0;
    border-bottom: 1px solid var(--color-border);
}

.posts-list a {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    color: var(--color-text);
}

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

.posts-list .post-date {
    color: var(--color-text-light);
    font-size: 0.9rem;
}

/* ========================================
   Browse Page
   ======================================== */
.filters {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    align-items: center;
}

.filters select {
    padding: 0.5rem 1rem;
    font-size: 0.95rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: white;
    color: var(--color-text);
    cursor: pointer;
}

.filter-count {
    color: var(--color-text-light);
    font-size: 0.9rem;
}

.sightings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1.5rem;
}

.sighting-card {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
    text-decoration: none;
    transition: box-shadow 0.2s, transform 0.2s;
}

.sighting-card:hover {
    box-shadow: 0 4px 12px var(--color-shadow);
    transform: translateY(-2px);
    text-decoration: none;
}

.sighting-card img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
}

.sighting-card .no-image {
    width: 100%;
    aspect-ratio: 1;
    background: var(--color-bg-alt);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-light);
    font-size: 0.85rem;
}

.sighting-info {
    padding: 0.75rem;
}

.sighting-info .common-name {
    display: block;
    color: var(--color-text);
    font-weight: 500;
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.sighting-info .meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--color-text-light);
}

.sighting-info .category {
    text-transform: capitalize;
}

/* ========================================
   Sighting Detail Page
   ======================================== */
.sighting-detail {
    max-width: var(--content-width);
}

.sighting-header {
    margin-bottom: 1.5rem;
}

.sighting-header h1 {
    margin-bottom: 0.25rem;
}

.scientific-name {
    color: var(--color-text-light);
    font-size: 1.1rem;
    margin: 0;
}

.sighting-images {
    margin-bottom: 2rem;
}

.sighting-figure {
    margin: 0 0 1rem 0;
}

.sighting-figure img {
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    cursor: pointer;
}

.sighting-figure figcaption {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-top: 0.5rem;
    text-align: center;
}

.sighting-meta {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.meta-group {
    background: var(--color-bg-alt);
    padding: 1rem;
    border-radius: var(--radius);
}

.meta-group h3 {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-light);
    margin-bottom: 0.75rem;
}

.meta-group dl {
    margin: 0;
}

.meta-group dt {
    font-size: 0.8rem;
    color: var(--color-text-light);
    margin-bottom: 0.1rem;
}

.meta-group dd {
    margin: 0 0 0.75rem 0;
    font-size: 0.95rem;
}

.meta-group dd:last-child {
    margin-bottom: 0;
}

.tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    display: inline-block;
    background: var(--color-accent);
    color: white;
    padding: 0.25rem 0.6rem;
    border-radius: 1rem;
    font-size: 0.8rem;
    text-transform: lowercase;
}

.sighting-notes {
    background: white;
    border: 1px solid var(--color-border);
    padding: 1rem;
    border-radius: var(--radius);
    margin-bottom: 2rem;
}

.sighting-notes h3 {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-light);
    margin-bottom: 0.5rem;
}

.sighting-notes p {
    margin: 0;
}

.sighting-nav {
    display: flex;
    justify-content: space-between;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border);
}

/* ========================================
   Lightbox
   ======================================== */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.lightbox.active {
    display: flex;
}

.lightbox-image {
    max-width: 95%;
    max-height: 95%;
    object-fit: contain;
}

.lightbox-close {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    background: none;
    border: none;
    color: white;
    font-size: 3rem;
    cursor: pointer;
    line-height: 1;
    padding: 0;
    opacity: 0.8;
}

.lightbox-close:hover {
    opacity: 1;
}

/* ========================================
   Posts Archive
   ======================================== */
.posts-archive {
    list-style: none;
    padding: 0;
}

.post-item {
    border-bottom: 1px solid var(--color-border);
}

.post-item a {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 1rem 0;
    color: var(--color-text);
    gap: 1rem;
}

.post-item a:hover {
    color: var(--color-accent);
    text-decoration: none;
}

.post-item .post-date {
    flex-shrink: 0;
    color: var(--color-text-light);
    font-size: 0.9rem;
}

.post-item .post-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
}

/* ========================================
   Post Detail Page
   ======================================== */
.post-detail {
    max-width: var(--content-width);
}

.post-header {
    margin-bottom: 1.5rem;
}

.post-header h1 {
    margin-bottom: 0.25rem;
}

.post-header time {
    color: var(--color-text-light);
}

.post-cover {
    margin: 0 0 2rem 0;
}

.post-cover img {
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
}

.post-content {
    font-size: 1.05rem;
    line-height: 1.7;
}

.post-content p {
    margin-bottom: 1.25rem;
}

.post-content img {
    border-radius: var(--radius);
    margin: 1.5rem 0;
}

.post-sightings {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
}

.post-sightings h2 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.sightings-strip {
    display: flex;
    gap: 1rem;
    overflow-x: auto;
}

.sighting-thumb {
    flex: 0 0 auto;
    text-align: center;
    text-decoration: none;
}

.sighting-thumb img {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
}

.sighting-thumb span {
    display: block;
    font-size: 0.8rem;
    color: var(--color-text);
    margin-top: 0.25rem;
    max-width: 100px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.post-nav {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border);
}

/* ========================================
   About Page
   ======================================== */
.about-section {
    margin-bottom: 2rem;
}

.about-section h2 {
    font-size: 1.25rem;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
}

/* ========================================
   Utilities
   ======================================== */
.no-data {
    text-align: center;
    color: var(--color-text-light);
    padding: 3rem;
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 768px) {
    :root {
        --spacing: 1rem;
    }

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

    .sightings-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .site-header .container {
        flex-direction: column;
        text-align: center;
    }

    .filters {
        flex-direction: column;
        align-items: stretch;
    }

    .sighting-meta {
        grid-template-columns: 1fr;
    }

    .post-item a {
        flex-direction: column;
        gap: 0.25rem;
    }

    .post-item .post-date {
        order: -1;
        font-size: 0.8rem;
    }
}

/* ========================================
   Print Styles
   ======================================== */
@media print {
    .site-header,
    .site-footer,
    .filters,
    .sighting-nav,
    .post-nav {
        display: none;
    }

    body {
        font-size: 12pt;
        line-height: 1.5;
    }

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

    a {
        color: inherit;
        text-decoration: none;
    }

    .sighting-figure img {
        max-height: 400px;
        object-fit: contain;
    }
}