/* ===== CSS VARIABLES ===== */
:root {
    --gap: 24px;
    --content-gap: 20px;
    --nav-width: 1024px;
    --main-width: 720px;
    --header-height: 60px;
    --footer-height: 60px;
    --radius: 6px;
    
    /* Light theme colors */
    --theme: rgb(255, 255, 255);
    --entry: rgb(255, 255, 255);
    --primary: rgb(30, 30, 30);
    --secondary: rgb(108, 108, 108);
    --tertiary: rgb(214, 214, 214);
    --content: rgb(31, 31, 31);
    --hljs-bg: rgb(28, 29, 33);
    --code-bg: rgb(245, 245, 245);
    --border: rgb(238, 238, 238);
    
    /* Brand colors */
    --brand-blue: rgb(0, 123, 255);
    --brand-blue-hover: rgb(0, 105, 217);
    --brand-gray: rgb(108, 108, 108);
    --brand-light-gray: rgb(247, 247, 247);
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    --font-serif: 'Essays 1743', Palatino, 'Palatino Linotype', 'Book Antiqua', Georgia, 'Times New Roman', serif;
    --font-mono: 'Libertine', 'Courier New', monospace;
}

/* ===== DARK THEME ===== */
.dark {
    --theme: rgb(29, 30, 32);
    --entry: rgb(46, 46, 51);
    --primary: rgb(218, 218, 219);
    --secondary: rgb(155, 156, 157);
    --tertiary: rgb(65, 66, 68);
    --content: rgb(196, 196, 197);
    --hljs-bg: rgb(46, 46, 51);
    --code-bg: rgb(55, 56, 62);
    --border: rgb(51, 51, 51);
    --brand-blue: rgb(88, 192, 208);
    --brand-blue-hover: rgb(136, 208, 224);
}

/* ===== RESET & BASE STYLES ===== */
*,
::after,
::before {
    box-sizing: border-box;
}

html {
    -webkit-tap-highlight-color: transparent;
    overflow-y: scroll;
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
}

body {
    margin: 0;
    color: var(--primary);
    background: var(--theme);
    word-break: break-word;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    margin: 0;
    font-family: var(--font-serif);
}

p {
    margin: 0;
}

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

/* ===== LAYOUT ===== */
.list {
    background: var(--code-bg);
}

.dark.list {
    background: var(--theme);
}

/* ===== HEADER & NAVIGATION ===== */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--theme);
    border-bottom: 1px solid var(--border);
    transition: all 0.2s ease;
}

.dark .header {
    background: var(--theme);
    border-bottom: 1px solid var(--border);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    max-width: calc(var(--nav-width) + var(--gap) * 2);
    margin: 0 auto;
    padding: 0 var(--gap);
    height: var(--header-height);
    gap: 32px;
}

/* Logo styles */
.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.logo a {
    font-size: 24px;
    font-weight: 700;
    font-family: var(--font-serif);
    color: var(--primary);
    transition: color 0.2s ease;
}

.logo a:hover {
    color: var(--brand-blue);
}

/* Theme toggle */
#theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: background-color 0.2s ease;
    color: var(--primary);
}

#theme-toggle:hover {
    background-color: var(--tertiary);
}

#theme-toggle svg {
    height: 20px;
    width: 20px;
}

body.dark #moon {
    display: none;
}

body:not(.dark) #sun {
    display: none;
}

/* Navigation menu */
#menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

#menu li {
    position: relative;
}

#menu a {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    font-family: var(--font-primary);
    color: var(--primary);
    transition: all 0.2s ease;
    white-space: nowrap;
    text-decoration: none;
    letter-spacing: 0.025em;
}

#menu a:hover {
    background-color: var(--tertiary);
    color: var(--primary);
}

#menu .active {
    background-color: var(--brand-blue);
    color: white;
    font-weight: 600;
}

/* Caret icon for dropdown */
.caret {
    font-size: 11px;
    transition: transform 0.2s ease;
    opacity: 0.8;
    margin-left: 2px;
}

.dropdown:hover .caret {
    transform: rotate(180deg);
    opacity: 1;
}

/* Dropdown styles */
.dropdown {
    position: relative;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 200px;
    background: var(--entry);
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.2s ease;
    z-index: 1000;
    padding: 8px 0;
    list-style: none;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    margin: 0;
}

.dropdown-menu a {
    display: block;
    padding: 8px 16px;
    color: var(--primary);
    text-decoration: none;
    transition: background-color 0.2s ease;
    font-size: 14px;
    font-weight: 500;
    font-family: var(--font-primary);
    letter-spacing: 0.025em;
}

.dropdown-menu a:hover {
    background-color: var(--tertiary);
    color: var(--primary);
}

.dark .dropdown-menu {
    background: var(--entry);
    border-color: var(--border);
}

/* ===== MAIN CONTENT ===== */
.main {
    position: relative;
    min-height: calc(100vh - var(--header-height) - var(--footer-height));
    max-width: calc(var(--main-width) + var(--gap) * 2);
    margin: auto;
    padding: var(--gap);
}

/* ===== HOME PAGE SPECIFIC STYLES ===== */
.first-entry {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    margin: var(--gap) 0 calc(var(--gap) * 2);
    background-color: var(--entry);
    padding: 20px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.dark .first-entry {
    background-color: var(--entry);
}

/* Original home-info styling */
.first-entry.home-info {
    background-color: var(--entry);
    padding: 20px;
    border: 1px solid var(--border);
}

.home-info .entry-content {
    -webkit-line-clamp: unset;
}

.first-entry .entry-header h2 {
    font-size: 24px;
    line-height: 1.3;
    margin-bottom: 16px;
    color: var(--primary);
}

.first-entry .entry-content {
    margin: 16px 0;
    font-size: 16px;
    line-height: 1.6;
    color: var(--secondary);
}

/* Custom paragraph styles */
.custom-paragraph {
    font-family: var(--font-primary);
    font-weight: 400;
    font-size: 16px;
    color: var(--content);
    letter-spacing: 0.025em;
    line-height: 1.6;
    text-align: justify;
}



/* About block */
.about-block {
    padding: 20px 0;
}

.social-link-group-tight {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    background-color: var(--entry);
    padding: 16px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.dark .social-link-group-tight {
    background-color: var(--entry);
}

.social-icon-link-pad,
.social-icon-cv-link-pad {
    display: inline-block;
    padding: 6px;
    border-radius: 50%;
    transition: background-color 0.2s ease;
    background-color: var(--theme);
}

.social-icon-link-pad:hover,
.social-icon-cv-link-pad:hover {
    background-color: var(--tertiary);
}

.icon-image {
    width: 30px;
    height: 30px;
    transition: filter 0.3s ease;
}

.dark .icon-image {
    filter: brightness(0.9) contrast(1.1);
}

/* Featured posts section */
.w-col.w-col-6 {
    background-color: var(--entry);
    padding: 20px;
    border-radius: var(--radius);
    margin-top: -10px;
    border: 1px solid var(--border);
}

.dark .w-col.w-col-6 {
    background-color: var(--entry);
}

.small-heading {
    font-family: var(--font-serif);
    font-weight: 600;
    font-size: 20px;
    line-height: 1.3;
    margin: 0;
    color: var(--primary);
}

/* ===== POST ENTRIES ===== */
.post-entry {
    position: relative;
    margin-bottom: var(--gap);
    padding: 20px;
    background: var(--entry);
    border-radius: var(--radius);
    transition: all 0.2s ease;
    border: 1px solid var(--border);
}

.post-entry:hover {
    border-color: var(--brand-blue);
    transform: translateY(-1px);
}

.dark .post-entry {
    background: var(--entry);
    border-color: var(--border);
}

.dark .post-entry:hover {
    border-color: var(--brand-blue);
}

.entry-header h2 {
    font-size: 24px;
    line-height: 1.3;
    margin-bottom: 12px;
    color: var(--primary);
}

.entry-content {
    margin: 12px 0;
    color: var(--secondary);
    font-size: 14px;
    line-height: 1.6;
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}

.entry-footer {
    color: var(--brand-blue);
    font-size: 12px;
    margin-top: 12px;
}

.entry-link {
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
}

/* ===== PAGINATION ===== */
.pagination {
    display: flex;
    justify-content: center;
    margin-top: 32px;
}

.pagination a {
    color: var(--theme);
    font-size: 13px;
    line-height: 36px;
    background: var(--brand-blue);
    border-radius: calc(36px/2);
    padding: 0 16px;
    transition: background-color 0.3s ease;
}

.pagination a:hover {
    background: var(--brand-blue-hover);
}

.pagination .next {
    margin-left: auto;
}

/* ===== FOOTER ===== */
.footer {
    max-width: calc(var(--main-width) + var(--gap) * 2);
    margin: auto;
    padding: calc((var(--footer-height) - var(--gap))/2) var(--gap);
    text-align: center;
    line-height: 24px;
    color: var(--secondary);
    font-size: 12px;
}

.footer a {
    color: inherit;
    border-bottom: 1px solid var(--secondary);
    transition: border-color 0.3s ease;
}

.footer a:hover {
    border-bottom: 1px solid var(--primary);
}

/* ===== TOP LINK ===== */
.top-link {
    visibility: hidden;
    position: fixed;
    bottom: 60px;
    right: 30px;
    z-index: 99;
    background: var(--tertiary);
    width: 42px;
    height: 42px;
    padding: 12px;
    border-radius: 50%;
    transition: all 0.3s ease;
    color: var(--primary);
}

.top-link:hover {
    background: var(--brand-blue);
    color: var(--theme);
    transform: translateY(-2px);
}

.top-link svg {
    width: 18px;
    height: 18px;
}

/* ===== RESPONSIVE DESIGN ===== */
@media screen and (max-width: 768px) {
    :root {
        --gap: 14px;
    }
    
    .nav {
        padding: 0 16px;
        gap: 16px;
    }
    
    #menu {
        gap: 6px;
    }
    
    #menu a {
        font-size: 15px;
        padding: 8px 12px;
        border-radius: 6px;
    }
    
    .dropdown-menu {
        right: auto;
        left: 0;
        min-width: 200px;
        border-radius: 8px;
    }
    
    .first-entry {
        padding: 20px;
    }
    

    
    .social-link-group-tight {
        gap: 12px;
        padding: 16px;
    }
    
    .logo a {
        font-size: 22px;
    }
}

@media screen and (max-width: 480px) {
    .nav {
        flex-direction: column;
        height: auto;
        padding: 12px 16px;
    }
    
    .logo {
        margin-bottom: 12px;
    }
    
    #menu {
        flex-wrap: wrap;
        justify-content: center;
        gap: 8px;
    }
    
    #menu a {
        font-size: 14px;
        padding: 4px 6px;
    }
}

/* ===== SCROLLBAR STYLING ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--code-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--tertiary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary);
}

/* ===== ACCESSIBILITY ===== */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary);
    color: var(--theme);
    padding: 8px;
    text-decoration: none;
    border-radius: 4px;
    z-index: 1001;
    transition: top 0.3s ease;
}

.skip-link:focus {
    top: 6px;
}

/* ===== UTILITY CLASSES ===== */
.center {
    display: block;
    margin: 0 auto;
    text-align: center;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.post-entry {
    animation: fadeIn 0.6s ease-out;
}

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

/* ===== PRINT STYLES ===== */
@media print {
    .header,
    .footer,
    .top-link,
    .social-icons,
    .about-block {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
}