/* Imagilux Theme - Clean and Minimal Styles */

:root {
    /* Colors */
    --color-primary: #007bff;
    --color-text: #333;
    --color-text-muted: #6c757d;
    --color-text-light: #495057;
    --color-background: #fff;
    --color-background-light: #f8f9fa;
    --color-border: #e9ecef;

    /* Typography */
    --font-family:
        -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu,
        Cantarell, sans-serif;
    --line-height: 1.6;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;

    /* Font Sizes */
    --font-size-h1: 2.5rem;
    --font-size-h2: 2rem;
    --font-size-h3: 1.5rem;
    --font-size-small: 0.9rem;

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

    /* Layout */
    --default-height: 100vh;
    --header-height: 5vh;
    --main-height: 95vh;
    --floating-header-height: 5vh;
    --floating-header-margin: 10vw;
    --footer-height: 5vh;
    --container-width: 100vw;
    /*--container-padding: 20px;*/
    --container-padding-mobile: 15px;
    --nav-item-width: 5vw;

    /* Transitions */
    --transition-fast: 0.2s;
    --transition-smooth: 0.3s ease-out;
    --transition-nav: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html,
body {
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    width: var(--container-width);
}

body {
    font-family: var(--font-family);
    line-height: var(--line-height);
    color: var(--color-text);
    background-color: var(--color-background);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    display: flex;
    width: var(--container-width);
    max-width: var(--container-width);
    box-sizing: border-box;
}

/* Header */
header.container {
    position: fixed;
    top: 2vh;
    left: 2vw;
    right: 2vw;
    transform: none;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 8px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    padding: 12px 24px;
    min-height: auto;
    max-height: var(--header-height);
    align-items: center;
    width: auto;
    flex-direction: row;
    justify-content: flex-start;
}

header nav {
    width: 100%;
}

header nav ul {
    list-style: none;
    display: flex;
    align-items: center;
    margin: 0;
    position: relative;
    width: 100%;
}

header nav li {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

/* Add spacing between regular menu items */
header nav ul li:not(:last-child) {
    margin-right: var(--spacing-md);
}

/* Push the last li element to the right */
header nav ul li:last-child {
    margin-left: auto;
    width: auto;
}

/* Language icon styling */
header nav ul li:last-child i {
    font-size: 1.2em;
    cursor: pointer;
    color: var(--color-text);
    transition: color var(--transition-nav);
}

header nav ul li:last-child i:hover {
    color: var(--color-primary);
}

/* Individual hover background for each nav item */
header nav li::before {
    content: "";
    position: absolute;
    top: 0;
    left: var(--spacing-xs);
    right: var(--spacing-xs);
    height: 100%;
    background: rgba(0, 123, 255, 0.1);
    border-radius: 8px;
    opacity: 0;
    transition: opacity var(--transition-nav);
    z-index: 0;
    pointer-events: none;
}

header nav a {
    text-decoration: none;
    color: var(--color-text);
    font-weight: var(--font-weight-medium);
    transition:
        color var(--transition-nav),
        background-color var(--transition-nav),
        transform var(--transition-nav);
    padding: 8px 16px;
    border-radius: 8px;
    white-space: nowrap;
}

header nav a.active {
    color: var(--color-primary);
    text-decoration: none;
    position: relative;
    z-index: 1;
}

/* Activate hover background on individual nav items */
header nav li:hover::before {
    opacity: 1;
}

/* Style for hovered items - remove individual backgrounds to avoid conflicts */
header nav a:hover {
    color: var(--color-primary);
    background: transparent;
    text-decoration: none;
    position: relative;
    z-index: 1;
}

/* Main Content */
main.container {
    flex: 1;
    flex-direction: column;
    width: var(--container-width);
    max-width: var(--container-width);
    overflow-x: hidden;
}

article {
    margin-bottom: var(--spacing-xs);
}

h1,
h2,
h3,
h4,
h5,
h6 {
    margin-bottom: var(--spacing-sm);
    font-weight: var(--font-weight-semibold);
}

h1 {
    font-size: var(--font-size-h1);
}
h2 {
    font-size: var(--font-size-h2);
}
h3 {
    font-size: var(--font-size-h3);
}

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

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

a:hover {
    text-decoration: underline;
}

/* Post List */
.post-list {
    list-style: none;
}

.post-list li {
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border);
}

.post-meta {
    color: var(--color-text-muted);
    font-size: var(--font-size-small);
    margin-bottom: var(--spacing-xs);
}

/* Footer */
footer.container {
    background: var(--color-background-light);
    border-top: 1px solid var(--color-border);
    height: var(--footer-height);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    text-align: right;
    color: var(--color-text-muted);
    flex-shrink: 0;
    padding-right: var(--spacing-md);
    box-shadow: inset 0 6px 12px -4px rgba(0, 0, 0, 0.15);
}

footer.container p {
    margin: 0;
}

/* Homepage Styles */

.homepage-hero {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    background-size: cover;
    background-position: center;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    flex-flow: column;
    padding-top: calc(var(--header-height) + var(--spacing-xl));
}

.homepage-hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(248, 249, 250, 0.25);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 3;
    max-width: 800px;
    padding: 0 var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    font-weight: var(--font-weight-normal);
}

/* Latest Articles Section */
.latest-articles {
    z-index: 2;
    padding: var(--spacing-xl) 0 var(--spacing-lg) 0;
    width: 100%;
}

.articles-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* When articles-container is a direct child of main (list pages), clear the fixed header */
main > .articles-container {
    padding-top: calc(var(--header-height) + var(--spacing-lg));
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-sm);
}

.article-card {
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    overflow: hidden;
    text-align: left;
    transition:
        transform var(--transition-fast),
        box-shadow var(--transition-fast);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
}

.article-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.card-content {
    padding: var(--spacing-sm);
}

.card-title {
    margin-bottom: var(--spacing-sm);
}

.card-title a {
    color: var(--color-text);
    text-decoration: none;
    font-weight: var(--font-weight-semibold);
    transition: color var(--transition-fast);
    text-transform: uppercase;
}

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

.card-meta {
    color: var(--color-text-muted);
    font-size: var(--font-size-small);
    margin-bottom: var(--spacing-sm);
    display: flex;
    gap: var(--spacing-xs);
    align-items: center;
}

.card-author::before {
    content: "•";
    margin-right: var(--spacing-xs);
}

.card-summary {
    color: var(--color-text-light);
    line-height: 1.5;
    margin-bottom: var(--spacing-xs);
}

.read-more {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-small);
    transition: color var(--transition-fast);
}

.read-more:hover {
    color: var(--color-text);
    text-decoration: underline;
}

/* Post Content Styles */
.post-content {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-md) var(--spacing-xl);
    margin-top: calc(var(--header-height) + var(--spacing-lg));
}

.post-header {
    margin-bottom: var(--spacing-xl);
    text-align: center;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: var(--spacing-lg);
}

.post-title {
    font-size: var(--font-size-h1);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

.post-meta {
    color: var(--color-text-muted);
    font-size: var(--font-size-small);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
}

.post-body {
    font-family: var(--font-family);
    line-height: var(--line-height);
    color: var(--color-text);
}

.post-body h1,
.post-body h2,
.post-body h3,
.post-body h4,
.post-body h5,
.post-body h6 {
    color: var(--color-text);
    font-weight: var(--font-weight-semibold);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.post-body h1 {
    font-size: var(--font-size-h1);
    border-bottom: 2px solid var(--color-border);
    padding-bottom: var(--spacing-xs);
}

.post-body h2 {
    font-size: var(--font-size-h2);
    margin-top: var(--spacing-xl);
}

.post-body h3 {
    font-size: var(--font-size-h3);
}

.post-body p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-light);
}

.post-body a {
    color: var(--color-primary);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: all var(--transition-fast);
}

.post-body a:hover {
    color: var(--color-text);
    border-bottom-color: var(--color-primary);
}

.post-body blockquote {
    border-left: 4px solid var(--color-primary);
    padding-left: var(--spacing-md);
    margin: var(--spacing-md) 0;
    font-style: italic;
    color: var(--color-text-muted);
}

.post-body code {
    background: var(--color-background-light);
    color: var(--color-text);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.9em;
    font-family: "Monaco", "Menlo", "Ubuntu Mono", monospace;
}

.post-body pre {
    background: var(--color-background-light);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: var(--spacing-md);
    overflow-x: auto;
    margin: var(--spacing-md) 0;
}

.post-body pre code {
    background: none;
    padding: 0;
}

.post-body ul,
.post-body ol {
    margin: var(--spacing-md) 0;
    padding-left: var(--spacing-lg);
}

.post-body li {
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-light);
}

.post-body img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: var(--spacing-md) 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

/* Pagination Bar */
.pagination-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 10px 20px;
    font-size: var(--font-size-small);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    margin-bottom: 10px;
}

.pagination-info {
    color: var(--color-text-muted);
    white-space: nowrap;
}

.pagination-nav {
    display: flex;
    align-items: center;
    gap: 4px;
}

.pagination-nav a {
    color: var(--color-primary);
    text-decoration: none;
    padding: 4px 10px;
    border-radius: 4px;
    transition: background var(--transition-fast);
}

.pagination-nav a:hover {
    background: rgba(0, 123, 255, 0.1);
    text-decoration: none;
}

.pagination-nav .page-current {
    background: var(--color-text);
    color: var(--color-background);
    padding: 4px 10px;
    border-radius: 4px;
    font-weight: var(--font-weight-semibold);
}

.pagination-nav .disabled {
    color: var(--color-text-muted);
    opacity: 0.4;
    padding: 4px 10px;
}

.pagination-size {
    color: var(--color-text-muted);
    white-space: nowrap;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--container-padding-mobile);
    }

    header.container {
        top: 15px;
        left: 4vw;
        right: 4vw;
        padding: 10px 16px;
    }

    header nav ul {
        gap: var(--spacing-xs);
    }

    header nav a {
        padding: 6px 12px;
        font-size: var(--font-size-small);
    }

    h1 {
        font-size: var(--font-size-h2);
    }
    h2 {
        font-size: var(--font-size-h3);
    }

    /* Homepage responsive */

    .homepage-hero {
        min-height: 100vh;
        padding-top: calc(var(--header-height) + var(--spacing-xl) + 4vh);
    }

    .hero-content {
        margin-bottom: 30vh;
    }

    main > .articles-container {
        padding-top: calc(var(--header-height) + var(--spacing-lg) + 2vh);
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .articles-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .articles-container {
        padding: 0 var(--spacing-sm);
    }

    /* Pagination responsive */
    .pagination-bar {
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--spacing-xs);
        padding: 8px 12px;
    }

    .pagination-info,
    .pagination-size {
        width: 100%;
        text-align: center;
    }

    /* Post content responsive */
    .post-content {
        margin-top: calc(var(--floating-header-height) + var(--spacing-md));
        padding: var(--spacing-md) var(--container-padding-mobile);
    }

    .post-title {
        font-size: var(--font-size-h2);
    }

    .post-body h1 {
        font-size: var(--font-size-h2);
    }

    .post-body h2 {
        font-size: var(--font-size-h3);
    }

    .post-meta {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 64px;
    height: 64px;
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: bold;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    box-shadow: 0 4px 16px rgba(0, 123, 255, 0.3);
    user-select: none;
}

.back-to-top:hover {
    background: var(--color-text);
    transform: translateY(0) scale(1.05);
    box-shadow: 0 6px 24px rgba(0, 123, 255, 0.4);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

@media (max-width: 768px) {
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 56px;
        height: 56px;
        font-size: 20px;
    }
}