/*
Theme Name: Spotify
Theme URI: #
Author: Theme Developer
Author URI: #
Description: Dark music blog theme inspired by Spotify. Modern design with green accents on black background.
Version: 1.0.3
Requires at least: 5.0
Tested up to: 6.4
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: spotify
Tags: blog, music, dark, custom-logo, custom-menu, featured-images, threaded-comments, translation-ready
*/

/* ==========================================================================
   CSS Variables
   ========================================================================== */
:root {
    /* Colors - Spotify Dark Theme */
    --spt-color-primary: #1db954;
    --spt-color-secondary: #191414;
    --spt-color-accent: #1ed760;
    --spt-color-bg: #121212;
    --spt-color-bg-elevated: #181818;
    --spt-color-bg-highlight: #282828;
    --spt-color-bg-card: #181818;
    --spt-color-text: #ffffff;
    --spt-color-text-subdued: #b3b3b3;
    --spt-color-text-muted: #6a6a6a;
    --spt-color-border: #282828;
    --spt-color-link: #1db954;
    --spt-color-link-hover: #1ed760;

    /* Typography */
    --spt-font-heading: 'Montserrat', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    --spt-font-body: 'Montserrat', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    --spt-font-ui: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Sizes */
    --spt-font-size-base: 16px;
    --spt-font-size-heading: 32px;
    --spt-line-height-body: 1.6;
    --spt-line-height-heading: 1.2;
    --spt-letter-spacing-heading: -0.02em;
    --spt-letter-spacing-wide: 0.1em;
    --spt-border-radius: 8px;
    --spt-border-radius-lg: 12px;
    --spt-content-spacing: 24px;
    --spt-content-width: 1280px;
    --spt-sidebar-width: 320px;

    /* Spacing */
    --spt-gap: 24px;
    --spt-gap-sm: 12px;
    --spt-gap-lg: 48px;
}

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

html {
    font-size: var(--spt-font-size-base);
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--spt-font-body);
    font-size: 1rem;
    line-height: var(--spt-line-height-body);
    color: var(--spt-color-text);
    background-color: var(--spt-color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ==========================================================================
   Typography
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--spt-font-heading);
    font-weight: 700;
    line-height: var(--spt-line-height-heading);
    letter-spacing: var(--spt-letter-spacing-heading);
    margin: 0 0 0.5em;
    color: var(--spt-color-text);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

p {
    margin: 0 0 1.5em;
}

a {
    color: var(--spt-color-link);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover,
a:focus {
    color: var(--spt-color-link-hover);
}

a:focus {
    outline: 2px solid var(--spt-color-primary);
    outline-offset: 2px;
}

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

/* ==========================================================================
   Accessibility
   ========================================================================== */
.spt-sr-only {
    clip: rect(1px, 1px, 1px, 1px);
    position: absolute !important;
    height: 1px;
    width: 1px;
    overflow: hidden;
    word-wrap: normal !important;
}

.spt-skip-link {
    background: var(--spt-color-primary);
    color: var(--spt-color-secondary);
    padding: 12px 24px;
    position: absolute;
    top: -100px;
    left: 0;
    z-index: 9999;
    transition: top 0.3s;
    font-weight: 700;
    border-radius: 0 0 var(--spt-border-radius) 0;
}

.spt-skip-link:focus {
    top: 0;
    outline: none;
    color: var(--spt-color-secondary);
}

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

.spt-wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spt-gap-lg);
}

.spt-main {
    flex: 1;
    min-width: 0;
}

.spt-aside {
    width: var(--spt-sidebar-width);
    flex-shrink: 0;
}

/* ==========================================================================
   Header
   ========================================================================== */
.spt-header {
    background: var(--spt-color-secondary);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--spt-color-border);
}

.spt-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spt-gap-sm) 0;
    gap: var(--spt-gap);
    position: relative;
}

.spt-brand {
    display: flex;
    align-items: center;
    gap: var(--spt-gap-sm);
}

.spt-logo {
    max-height: 50px;
    width: auto;
}
.spt-logo img,
.spt-logo .custom-logo {
    max-height: 50px;
    width: auto;
    height: auto;
}

.spt-site-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
    letter-spacing: -0.01em;
}

.spt-site-title a {
    color: var(--spt-color-text);
}

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

/* ==========================================================================
   Navigation
   ========================================================================== */
.spt-nav {
    display: flex;
    align-items: center;
    gap: var(--spt-gap);
}

.spt-nav-menu,
.spt-menu {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 4px;
}

.spt-nav-menu li,
.spt-menu li {
    position: relative;
}

.spt-nav-menu a,
.spt-menu a {
    display: block;
    padding: 10px 16px;
    color: var(--spt-color-text-subdued);
    font-family: var(--spt-font-ui);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 500px;
    transition: all 0.2s ease;
}

.spt-nav-menu a:hover,
.spt-nav-menu a:focus,
.spt-nav-menu .current-menu-item > a,
.spt-menu a:hover,
.spt-menu a:focus,
.spt-menu .current-menu-item > a {
    color: var(--spt-color-text);
    background: var(--spt-color-bg-highlight);
}

/* Mobile menu toggle */
.spt-menu-toggle {
    display: none;
    background: transparent;
    color: var(--spt-color-text);
    border: none;
    padding: 10px;
    font-size: 1.5rem;
    cursor: pointer;
    border-radius: 50%;
    width: 48px;
    height: 48px;
    transition: background 0.2s;
}

.spt-menu-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: currentColor;
    margin: 4px 0;
    border-radius: 2px;
    transition: all 0.2s ease;
}

.spt-menu-toggle:hover {
    background: var(--spt-color-bg-highlight);
}

/* Search Overlay */
.spt-search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.96);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    backdrop-filter: blur(20px);
}

.spt-search-overlay.spt-search-open {
    opacity: 1;
    visibility: visible;
}

.spt-search-overlay-inner {
    width: 100%;
    max-width: 600px;
    padding: 2rem;
    position: relative;
}

.spt-search-close {
    position: absolute;
    top: -40px;
    right: 0;
    background: transparent;
    border: none;
    color: var(--spt-color-text);
    cursor: pointer;
    padding: 8px;
}

.spt-search-close:hover {
    color: var(--spt-color-accent);
}

.spt-search-input {
    width: 100%;
    padding: 16px 20px;
    background: var(--spt-color-bg-highlight);
    border: 1px solid var(--spt-color-border);
    border-radius: var(--spt-border-radius);
    color: var(--spt-color-text);
    font-size: 1.125rem;
}

.spt-search-input::placeholder {
    color: var(--spt-color-text-muted);
}

.spt-search-input:focus {
    outline: none;
    border-color: var(--spt-color-accent);
}

.spt-search-submit {
    margin-top: 12px;
    padding: 12px 24px;
    background: var(--spt-color-accent);
    color: #000;
    border: none;
    border-radius: 500px;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.2s;
}

.spt-search-submit:hover {
    filter: brightness(1.1);
}

/* Search toggle button */
.spt-search-toggle {
    background: transparent;
    border: none;
    padding: 8px;
    cursor: pointer;
    color: var(--spt-color-text);
    display: flex;
    align-items: center;
    justify-content: center;
}

.spt-search-toggle:hover {
    color: var(--spt-color-accent);
}

/* Header search */
.spt-header-search {
    position: relative;
}

.spt-header-search .search-form {
    display: flex;
    background: var(--spt-color-bg);
    border-radius: 500px;
    overflow: hidden;
}

.spt-header-search .search-field {
    background: transparent;
    border: none;
    padding: 10px 16px;
    color: var(--spt-color-text);
    font-size: 0.875rem;
    width: 200px;
}

.spt-header-search .search-field::placeholder {
    color: var(--spt-color-text-muted);
}

.spt-header-search .search-field:focus {
    outline: none;
}

.spt-header-search .search-submit {
    background: transparent;
    border: none;
    padding: 10px 16px;
    color: var(--spt-color-text-subdued);
    cursor: pointer;
    transition: color 0.2s;
}

.spt-header-search .search-submit:hover {
    color: var(--spt-color-text);
}

/* ==========================================================================
   Content
   ========================================================================== */
.spt-content {
    padding: var(--spt-gap-lg) 0;
    min-height: 60vh;
}

/* Breadcrumbs */
.spt-breadcrumbs {
    font-family: var(--spt-font-ui);
    font-size: 0.875rem;
    color: var(--spt-color-text-subdued);
    margin-bottom: var(--spt-gap);
}

.spt-breadcrumbs a {
    color: var(--spt-color-text-subdued);
}

.spt-breadcrumbs a:hover {
    color: var(--spt-color-primary);
}

.spt-breadcrumbs-sep {
    margin: 0 8px;
    color: var(--spt-color-text-muted);
}

/* ==========================================================================
   Article
   ========================================================================== */
.spt-article {
    margin-bottom: var(--spt-gap-lg);
}

.spt-article-header {
    margin-bottom: var(--spt-gap);
}

.spt-article-category {
    display: inline-block;
    background: var(--spt-color-primary);
    color: var(--spt-color-secondary);
    padding: 4px 12px;
    border-radius: 500px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: var(--spt-letter-spacing-wide);
    margin-bottom: var(--spt-gap-sm);
}

.spt-article-category a {
    color: var(--spt-color-secondary);
}

.spt-article-title {
    font-size: 2.5rem;
    line-height: 1.1;
    margin-bottom: var(--spt-gap-sm);
}

.spt-article-meta {
    font-family: var(--spt-font-ui);
    font-size: 0.875rem;
    color: var(--spt-color-text-subdued);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
}

.spt-article-meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.spt-article-excerpt {
    font-size: 1.125rem;
    color: var(--spt-color-text-subdued);
    margin: var(--spt-gap) 0;
    padding-left: var(--spt-gap);
    border-left: 3px solid var(--spt-color-primary);
}

.spt-article-thumbnail {
    margin: var(--spt-gap) 0;
    border-radius: var(--spt-border-radius-lg);
    overflow: hidden;
}

.spt-article-thumbnail img {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
}

.spt-article-content {
    font-size: 1.0625rem;
    color: var(--spt-color-text-subdued);
}

.spt-article-content p {
    margin-bottom: 1.5em;
}

.spt-article-content h2,
.spt-article-content h3,
.spt-article-content h4 {
    color: var(--spt-color-text);
    margin-top: 2em;
}

.spt-article-content a {
    color: var(--spt-color-primary);
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s;
}

.spt-article-content a:hover {
    border-bottom-color: var(--spt-color-primary);
}

.spt-article-content blockquote {
    margin: var(--spt-gap) 0;
    padding: var(--spt-gap);
    background: var(--spt-color-bg-elevated);
    border-left: 4px solid var(--spt-color-primary);
    border-radius: 0 var(--spt-border-radius) var(--spt-border-radius) 0;
    font-style: italic;
}

.spt-article-content blockquote p:last-child {
    margin-bottom: 0;
}

/* Reading time */
.spt-reading-time {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--spt-color-text-muted);
}

.spt-reading-time::before {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    background: currentColor;
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cpath d='M12 6v6l4 2'/%3E%3C/svg%3E") center/contain no-repeat;
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cpath d='M12 6v6l4 2'/%3E%3C/svg%3E") center/contain no-repeat;
}

/* Tags */
.spt-article-tags {
    margin-top: var(--spt-gap);
    padding-top: var(--spt-gap);
    border-top: 1px solid var(--spt-color-border);
}

.spt-article-tags span {
    color: var(--spt-color-text-subdued);
    margin-right: 8px;
}

.spt-article-tags a {
    display: inline-block;
    background: var(--spt-color-bg-highlight);
    color: var(--spt-color-text);
    padding: 6px 12px;
    border-radius: 500px;
    font-size: 0.8125rem;
    margin: 4px 4px 4px 0;
    transition: background 0.2s;
}

.spt-article-tags a:hover {
    background: var(--spt-color-primary);
    color: var(--spt-color-secondary);
}

/* ==========================================================================
   Cards / Archive
   ========================================================================== */
.spt-posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spt-gap);
}

.spt-card {
    background: var(--spt-color-bg-card);
    border-radius: var(--spt-border-radius-lg);
    overflow: hidden;
    transition: background 0.3s ease, transform 0.2s ease;
    position: relative;
}

.spt-card:hover {
    background: var(--spt-color-bg-highlight);
    transform: translateY(-4px);
}

.spt-card--sticky {
    border: 2px solid var(--spt-color-primary);
}

.spt-card-thumbnail {
    position: relative;
    aspect-ratio: 1/1;
    overflow: hidden;
}

.spt-card-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.spt-card:hover .spt-card-thumbnail img {
    transform: scale(1.05);
}

.spt-card-play {
    position: absolute;
    bottom: 12px;
    right: 12px;
    width: 48px;
    height: 48px;
    background: var(--spt-color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: translateY(8px);
    transition: all 0.3s ease;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}

.spt-card:hover .spt-card-play {
    opacity: 1;
    transform: translateY(0);
}

.spt-card-play::after {
    content: '';
    display: block;
    width: 0;
    height: 0;
    border-left: 14px solid var(--spt-color-secondary);
    border-top: 8px solid transparent;
    border-bottom: 8px solid transparent;
    margin-left: 4px;
}

.spt-card-content {
    padding: var(--spt-gap);
}

.spt-card-category {
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: var(--spt-letter-spacing-wide);
    color: var(--spt-color-text-subdued);
    margin-bottom: 8px;
}

.spt-card-category a {
    color: inherit;
}

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

.spt-card-title {
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 8px;
}

.spt-card-title a {
    color: var(--spt-color-text);
}

.spt-card-title a:hover {
    text-decoration: underline;
}

.spt-card-excerpt {
    font-size: 0.875rem;
    color: var(--spt-color-text-muted);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 8px;
}

.spt-card-meta {
    font-size: 0.75rem;
    color: var(--spt-color-text-muted);
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Featured card (first post) */
.spt-card-featured {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
}

.spt-card-featured .spt-card-thumbnail {
    aspect-ratio: auto;
    min-height: 300px;
}

.spt-card-featured .spt-card-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--spt-gap-lg);
}

.spt-card-featured .spt-card-title {
    font-size: 1.75rem;
}

.spt-card-featured .spt-card-excerpt {
    -webkit-line-clamp: 4;
    font-size: 0.9375rem;
}

/* Sticky badge */
.spt-sticky-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--spt-color-primary);
    color: var(--spt-color-secondary);
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    z-index: 1;
}

/* ==========================================================================
   Pagination
   ========================================================================== */
.spt-pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: var(--spt-gap-lg);
    font-family: var(--spt-font-ui);
}

.spt-pagination a,
.spt-pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    background: var(--spt-color-bg-elevated);
    color: var(--spt-color-text);
    border-radius: 500px;
    font-size: 0.875rem;
    font-weight: 600;
    transition: background 0.2s;
}

.spt-pagination a:hover {
    background: var(--spt-color-bg-highlight);
}

.spt-pagination .current {
    background: var(--spt-color-primary);
    color: var(--spt-color-secondary);
}

/* ==========================================================================
   Post Navigation (Prev/Next)
   ========================================================================== */
.spt-post-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spt-gap);
    margin-top: var(--spt-gap-lg);
    padding-top: var(--spt-gap);
    border-top: 1px solid var(--spt-color-border);
}

.spt-post-nav-link {
    background: var(--spt-color-bg-elevated);
    padding: var(--spt-gap);
    border-radius: var(--spt-border-radius);
    transition: background 0.2s;
}

.spt-post-nav-link:hover {
    background: var(--spt-color-bg-highlight);
}

.spt-post-nav-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: var(--spt-letter-spacing-wide);
    color: var(--spt-color-text-muted);
    margin-bottom: 4px;
}

.spt-post-nav-title {
    font-size: 0.9375rem;
    font-weight: 600;
}

.spt-post-nav-title a {
    color: var(--spt-color-text);
}

.spt-post-nav-title a:hover {
    color: var(--spt-color-primary);
}

.spt-post-nav-next {
    text-align: right;
}

/* ==========================================================================
   Related Posts
   ========================================================================== */
.spt-related {
    margin-top: var(--spt-gap-lg);
    padding-top: var(--spt-gap);
    border-top: 1px solid var(--spt-color-border);
}

.spt-related-title {
    font-size: 1.25rem;
    margin-bottom: var(--spt-gap);
}

.spt-related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spt-gap);
}

.spt-related-item {
    background: var(--spt-color-bg-elevated);
    border-radius: var(--spt-border-radius);
    overflow: hidden;
    transition: background 0.2s;
}

.spt-related-item:hover {
    background: var(--spt-color-bg-highlight);
}

.spt-related-item-thumb {
    aspect-ratio: 16/9;
    overflow: hidden;
}

.spt-related-item-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.spt-related-item-content {
    padding: var(--spt-gap-sm);
}

.spt-related-item-title {
    font-size: 0.875rem;
    font-weight: 600;
    line-height: 1.3;
    margin: 0;
}

.spt-related-item-title a {
    color: var(--spt-color-text);
}

.spt-related-item-title a:hover {
    text-decoration: underline;
}

/* ==========================================================================
   Author Box
   ========================================================================== */
.spt-author-box {
    display: flex;
    gap: var(--spt-gap);
    background: var(--spt-color-bg-elevated);
    padding: var(--spt-gap);
    border-radius: var(--spt-border-radius-lg);
    margin-top: var(--spt-gap-lg);
}

.spt-author-avatar {
    flex-shrink: 0;
}

.spt-author-avatar img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
}

.spt-author-info h4 {
    margin-bottom: 4px;
    font-size: 1rem;
}

.spt-author-bio {
    font-size: 0.875rem;
    color: var(--spt-color-text-subdued);
    margin: 0;
}

/* ==========================================================================
   Sidebar
   ========================================================================== */
.spt-aside {
    font-size: 0.9375rem;
}

.spt-widget {
    background: var(--spt-color-bg-elevated);
    padding: var(--spt-gap);
    border-radius: var(--spt-border-radius-lg);
    margin-bottom: var(--spt-gap);
}

.spt-widget-title {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: var(--spt-letter-spacing-wide);
    color: var(--spt-color-text-subdued);
    margin-bottom: var(--spt-gap-sm);
}

.spt-widget ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.spt-widget li {
    padding: 8px 0;
    border-bottom: 1px solid var(--spt-color-border);
}

.spt-widget li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.spt-widget li:first-child {
    padding-top: 0;
}

.spt-widget a {
    color: var(--spt-color-text);
}

.spt-widget a:hover {
    color: var(--spt-color-primary);
}

/* ==========================================================================
   Comments
   ========================================================================== */
.spt-comments {
    margin-top: var(--spt-gap-lg);
}

.spt-comments-title {
    font-size: 1.25rem;
    margin-bottom: var(--spt-gap);
}

.spt-comment-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.spt-comment {
    padding: var(--spt-gap) 0;
    border-bottom: 1px solid var(--spt-color-border);
}

.spt-comment-header {
    display: flex;
    align-items: center;
    gap: var(--spt-gap-sm);
    margin-bottom: var(--spt-gap-sm);
}

.spt-comment-avatar img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.spt-comment-author {
    font-weight: 600;
    font-size: 0.9375rem;
}

.spt-comment-date {
    font-size: 0.75rem;
    color: var(--spt-color-text-muted);
}

.spt-comment-content {
    font-size: 0.9375rem;
    color: var(--spt-color-text-subdued);
}

.spt-comment-reply {
    margin-top: 8px;
}

.spt-comment-reply a {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--spt-color-text-muted);
}

.spt-comment-reply a:hover {
    color: var(--spt-color-primary);
}

/* Comment form */
.spt-comment-form {
    margin-top: var(--spt-gap);
}

.spt-comment-form label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--spt-color-text-subdued);
}

.spt-comment-form input[type="text"],
.spt-comment-form input[type="email"],
.spt-comment-form input[type="url"],
.spt-comment-form textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--spt-color-bg-elevated);
    border: 1px solid var(--spt-color-border);
    color: var(--spt-color-text);
    font-family: var(--spt-font-body);
    font-size: 1rem;
    margin-bottom: var(--spt-gap-sm);
    border-radius: var(--spt-border-radius);
    transition: border-color 0.2s;
}

.spt-comment-form input:focus,
.spt-comment-form textarea:focus {
    outline: none;
    border-color: var(--spt-color-primary);
}

.spt-comment-form button,
.spt-btn {
    display: inline-block;
    background: var(--spt-color-primary);
    color: var(--spt-color-secondary);
    border: none;
    padding: 12px 32px;
    font-family: var(--spt-font-ui);
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    border-radius: 500px;
    transition: transform 0.2s, background 0.2s;
}

.spt-comment-form button:hover,
.spt-btn:hover {
    background: var(--spt-color-accent);
    transform: scale(1.04);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.spt-footer {
    background: var(--spt-color-secondary);
    color: var(--spt-color-text-subdued);
    padding: var(--spt-gap-lg) 0 var(--spt-gap);
    margin-top: var(--spt-gap-lg);
    border-top: 1px solid var(--spt-color-border);
}

.spt-footer a {
    color: var(--spt-color-text-subdued);
}

.spt-footer a:hover {
    color: var(--spt-color-text);
}

.spt-footer-widgets {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spt-gap-lg);
    margin-bottom: var(--spt-gap-lg);
    padding-bottom: var(--spt-gap-lg);
    border-bottom: 1px solid var(--spt-color-border);
}

.spt-footer-widget-title {
    color: var(--spt-color-text);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: var(--spt-letter-spacing-wide);
    margin-bottom: var(--spt-gap-sm);
}

.spt-footer-nav {
    margin-bottom: var(--spt-gap);
}

.spt-footer-nav ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spt-gap);
    list-style: none;
    padding: 0;
    margin: 0;
}

.spt-footer-nav a {
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.spt-footer-bottom {
    text-align: center;
}

.spt-footer-tagline {
    margin-bottom: 8px;
    font-size: 0.875rem;
}

.spt-copyright {
    color: var(--spt-color-text-muted);
    font-size: 0.75rem;
}

/* ==========================================================================
   Search
   ========================================================================== */
.spt-search-form {
    display: flex;
    background: var(--spt-color-bg-elevated);
    border-radius: 500px;
    overflow: hidden;
}

.spt-search-form input[type="search"] {
    flex: 1;
    padding: 14px 20px;
    background: transparent;
    border: none;
    color: var(--spt-color-text);
    font-family: var(--spt-font-body);
    font-size: 1rem;
}

.spt-search-form input[type="search"]::placeholder {
    color: var(--spt-color-text-muted);
}

.spt-search-form input[type="search"]:focus {
    outline: none;
}

.spt-search-form button {
    background: var(--spt-color-primary);
    color: var(--spt-color-secondary);
    border: none;
    padding: 14px 24px;
    cursor: pointer;
    font-weight: 700;
    transition: background 0.2s;
}

.spt-search-form button:hover {
    background: var(--spt-color-accent);
}

/* Search results */
.spt-search-header {
    margin-bottom: var(--spt-gap);
}

.spt-search-title {
    margin-bottom: var(--spt-gap-sm);
}

.spt-search-title span {
    color: var(--spt-color-primary);
}

.spt-search-count {
    font-size: 0.875rem;
    color: var(--spt-color-text-subdued);
    margin-bottom: var(--spt-gap);
}

/* ==========================================================================
   404 Page
   ========================================================================== */
.spt-404 {
    text-align: center;
    padding: var(--spt-gap-lg) 0;
}

.spt-404-title {
    font-size: 8rem;
    font-weight: 900;
    color: var(--spt-color-primary);
    margin-bottom: 0;
    line-height: 1;
}

.spt-404-subtitle {
    font-size: 1.5rem;
    margin-bottom: var(--spt-gap);
}

.spt-404-text {
    color: var(--spt-color-text-subdued);
    margin-bottom: var(--spt-gap);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.spt-404-search {
    max-width: 400px;
    margin: 0 auto var(--spt-gap);
}

/* ==========================================================================
   Page
   ========================================================================== */
.spt-page .spt-article-header {
    text-align: center;
    margin-bottom: var(--spt-gap-lg);
}

.spt-page .spt-article-title {
    font-size: 3rem;
}

/* ==========================================================================
   Archive Header
   ========================================================================== */
.spt-archive-header {
    margin-bottom: var(--spt-gap);
    padding-bottom: var(--spt-gap);
    border-bottom: 1px solid var(--spt-color-border);
}

.spt-archive-title {
    margin-bottom: var(--spt-gap-sm);
}

.spt-archive-description {
    color: var(--spt-color-text-subdued);
    font-size: 1.0625rem;
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1024px) {
    .spt-aside {
        width: 100%;
    }

    .spt-related-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .spt-card-featured {
        grid-template-columns: 1fr;
    }

    .spt-card-featured .spt-card-thumbnail {
        min-height: 200px;
    }
}

@media (max-width: 768px) {
    :root {
        --spt-font-size-base: 15px;
        --spt-gap: 16px;
        --spt-gap-lg: 32px;
    }

    .spt-aside,
    .spt-sidebar {
        display: none;
    }

    .spt-header-search {
        display: none;
    }

    .spt-logo img,
    .spt-logo .custom-logo {
        max-height: 40px;
    }

    .spt-site-title {
        font-size: 1.25rem;
    }

    .spt-menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .spt-nav-menu,
    .spt-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--spt-color-secondary);
        flex-direction: column;
        padding: var(--spt-gap);
        border-top: 1px solid var(--spt-color-border);
    }

    .spt-nav.spt-nav-open .spt-nav-menu,
    .spt-nav.spt-nav-open .spt-menu {
        display: flex;
    }

    .spt-nav-menu a,
    .spt-menu a {
        padding: 12px;
        border-radius: var(--spt-border-radius);
    }

    .spt-posts-grid {
        grid-template-columns: 1fr 1fr;
    }

    .spt-card-thumbnail {
        aspect-ratio: 1/1;
    }

    .spt-related-grid {
        grid-template-columns: 1fr 1fr;
    }

    .spt-post-nav {
        grid-template-columns: 1fr;
        gap: var(--spt-gap-sm);
    }

    .spt-post-nav-next {
        text-align: left;
    }

    .spt-author-box {
        flex-direction: column;
        text-align: center;
    }

    .spt-article-title {
        font-size: 1.75rem;
    }

    .spt-404-title {
        font-size: 5rem;
    }
}

@media (max-width: 480px) {
    .spt-header-inner {
        padding: var(--spt-gap-sm) 0;
    }

    .spt-posts-grid {
        grid-template-columns: 1fr;
    }

    .spt-card-thumbnail {
        aspect-ratio: 16/10;
    }

    .spt-related-grid {
        grid-template-columns: 1fr;
    }

    .spt-footer-widgets {
        grid-template-columns: 1fr;
    }

    .spt-page .spt-article-title {
        font-size: 2rem;
    }
}

/* ==========================================================================
   Sticky Header
   ========================================================================== */
.spt-sticky-header .spt-header {
    position: sticky;
    top: 0;
    z-index: 1000;
}

/* ==========================================================================
   Left Sidebar
   ========================================================================== */
.spt-left-sidebar .spt-wrapper {
    flex-direction: row-reverse;
}

/* ==========================================================================
   Scroll to Top Button
   ========================================================================== */
.spt-scroll-top {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 48px;
    height: 48px;
    background: var(--spt-color-primary);
    color: var(--spt-color-secondary);
    border: none;
    border-radius: 50%;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s, transform 0.2s;
    z-index: 999;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

.spt-scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.spt-scroll-top:hover {
    transform: scale(1.1);
    background: var(--spt-color-accent);
}

/* ==========================================================================
   Title Hover Effects
   ========================================================================== */
.spt-title-effect-underline .spt-card-title a,
.spt-title-effect-underline .spt-related-item-title a {
    text-decoration: none;
    background-image: linear-gradient(var(--spt-color-primary), var(--spt-color-primary));
    background-size: 0% 2px;
    background-position: 0 100%;
    background-repeat: no-repeat;
    transition: background-size 0.3s ease;
}

.spt-title-effect-underline .spt-card-title a:hover,
.spt-title-effect-underline .spt-related-item-title a:hover {
    background-size: 100% 2px;
    text-decoration: none;
}

.spt-title-effect-color .spt-card-title a:hover,
.spt-title-effect-color .spt-related-item-title a:hover {
    color: var(--spt-color-primary);
}

/* ==========================================================================
   Image Hover Effects
   ========================================================================== */
.spt-image-effect-none .spt-card:hover .spt-card-thumbnail img {
    transform: none;
}

.spt-image-effect-zoom .spt-card:hover .spt-card-thumbnail img {
    transform: scale(1.1);
}

.spt-image-effect-fade .spt-card-thumbnail img {
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.spt-image-effect-fade .spt-card:hover .spt-card-thumbnail img {
    opacity: 0.7;
    transform: none;
}

.spt-image-effect-overlay .spt-card-thumbnail {
    position: relative;
}

.spt-image-effect-overlay .spt-card-thumbnail::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--spt-color-primary);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.spt-image-effect-overlay .spt-card:hover .spt-card-thumbnail::after {
    opacity: 0.3;
}

.spt-image-effect-overlay .spt-card:hover .spt-card-thumbnail img {
    transform: none;
}

/* ==========================================================================
   No Sidebar Layout
   ========================================================================== */
.spt-no-sidebar .spt-main {
    max-width: 800px;
    margin: 0 auto;
}

.spt-no-sidebar .spt-posts-grid {
    max-width: 100%;
}

/* Interlinking Section */
.spot-interlinking {
    margin: 2rem 0;
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 8px;
}
.spot-interlinking-title {
    margin: 0 0 1rem;
    font-size: 1.25rem;
    font-weight: 600;
}
.spot-interlinking-list {
    margin: 0;
    padding: 0;
    list-style: none;
}
.spot-interlinking-list li {
    margin-bottom: 0.5rem;
    padding-left: 1rem;
    position: relative;
}
.spot-interlinking-list li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--spot-color-primary, #333);
}
.spot-interlinking-list a {
    color: var(--spot-color-primary, #333);
    text-decoration: none;
}
.spot-interlinking-list a:hover {
    text-decoration: underline;
}

/* Grid Layout Options */
.spt-articles-grid.grid-3col { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.spt-articles-grid.grid-2col { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.spt-articles-grid.grid-list { display: flex; flex-direction: column; gap: 1.5rem; }
.spt-articles-grid.grid-list .spt-article-card { flex-direction: row; }
.spt-articles-grid.grid-list .spt-article-thumb { flex: 0 0 300px; }
.spt-articles-grid.grid-list .spt-article-body { flex: 1; }
@media (max-width: 1024px) {
    .spt-articles-grid.grid-3col { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .spt-articles-grid.grid-3col, .spt-articles-grid.grid-2col { grid-template-columns: 1fr; }
    .spt-articles-grid.grid-list .spt-article-card { flex-direction: column; }
    .spt-articles-grid.grid-list .spt-article-thumb { flex: none; }
}