/* ==============================================================
   Billiginternet Theme — Premium CSS
   Plus Jakarta Sans · Anti-slop · Impeccable principles
   ============================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
    --bi-font: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --bi-primary: hsl(224, 88%, 54%);
    --bi-primary-dark: hsl(224, 88%, 46%);
    --bi-primary-soft: hsl(224, 88%, 97%);
    --bi-primary-border: hsla(224, 88%, 54%, 0.12);
    --bi-accent: #059669;
    --bi-accent-soft: #ecfdf5;
    --bi-bg: #ffffff;
    --bi-bg-alt: #f8fafc;
    --bi-text: #0f172a;
    --bi-text-secondary: #334155;
    --bi-text-muted: #94a3b8;
    --bi-border: #e2e8f0;
    --bi-border-light: #f1f5f9;
    --bi-radius: 12px;
    --bi-radius-sm: 8px;
    --bi-shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
    --bi-shadow: 0 1px 3px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.02);
    --bi-shadow-md: 0 4px 12px rgba(0,0,0,0.06);
    --bi-shadow-lg: 0 8px 24px rgba(0,0,0,0.08);
    --bi-transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--bi-font);
    font-size: 16px;
    line-height: 1.6;
    color: var(--bi-text-secondary);
    background: var(--bi-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

/* ==============================================================
   HEADER — Sticky, glassmorphism
   ============================================================== */

.bi-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--bi-border-light);
    transition: box-shadow var(--bi-transition);
}

.bi-header.bi-scrolled {
    box-shadow: 0 1px 8px rgba(0,0,0,0.06);
}

.bi-header-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.25rem;
    display: flex;
    align-items: center;
    height: 56px;
    gap: 1.5rem;
}

.bi-header-logo {
    display: flex;
    align-items: center;
    color: var(--bi-text);
    flex-shrink: 0;
}

.bi-header-logo:hover { color: var(--bi-text); }

.bi-logo-svg {
    height: 24px;
    width: auto;
}

.bi-logo-img {
    height: 28px;
    width: auto;
}

/* Nav */
.bi-header-nav {
    flex: 1;
}

.bi-nav-list {
    list-style: none;
    display: flex;
    gap: 0;
    margin: 0;
    padding: 0;
}

.bi-nav-list li {
    position: relative;
}

.bi-nav-list > li > a {
    display: block;
    padding: 0.5rem 0.75rem;
    font-size: 0.825rem;
    font-weight: 500;
    color: var(--bi-text-secondary);
    transition: color var(--bi-transition);
    white-space: nowrap;
}

.bi-nav-list > li > a:hover,
.bi-nav-list > li.current-menu-item > a,
.bi-nav-list > li.current_page_item > a {
    color: var(--bi-primary);
}

/* Dropdown */
.bi-nav-list .sub-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 180px;
    background: var(--bi-bg);
    border: 1px solid var(--bi-border);
    border-radius: var(--bi-radius-sm);
    box-shadow: var(--bi-shadow-lg);
    list-style: none;
    padding: 0.25rem;
    z-index: 100;
}

.bi-nav-list li:hover > .sub-menu {
    display: block;
}

.bi-nav-list .sub-menu a {
    display: block;
    padding: 0.45rem 0.75rem;
    font-size: 0.8rem;
    color: var(--bi-text-secondary);
    border-radius: var(--bi-radius-sm);
}

.bi-nav-list .sub-menu a:hover {
    background: var(--bi-primary-soft);
    color: var(--bi-primary);
}

/* Header search */
.bi-header-search {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.35rem;
    background: var(--bi-bg-alt);
    border: 1px solid var(--bi-border);
    border-radius: 50px;
    padding: 0.3rem 0.75rem;
    flex-shrink: 0;
    min-width: 180px;
    max-width: 220px;
    transition: all var(--bi-transition);
}

.bi-header-search:focus-within {
    border-color: var(--bi-primary);
    background: #fff;
    box-shadow: 0 0 0 3px var(--bi-primary-soft);
}

.bi-header-search svg {
    width: 14px;
    height: 14px;
    color: var(--bi-text-muted);
    flex-shrink: 0;
}

.bi-header-search input {
    flex: 1;
    border: none;
    background: none;
    font-family: var(--bi-font);
    font-size: 0.775rem;
    color: var(--bi-text);
    outline: none;
    min-width: 0;
}

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

.bi-header-search-results {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    min-width: 260px;
    background: #fff;
    border: 1px solid var(--bi-border);
    border-radius: var(--bi-radius-sm);
    box-shadow: var(--bi-shadow-lg);
    display: none;
    max-height: 280px;
    overflow-y: auto;
    z-index: 200;
}

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

.bi-header-search-results a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0.75rem;
    color: var(--bi-text);
    font-size: 0.8rem;
    border-bottom: 1px solid var(--bi-border-light);
    transition: background var(--bi-transition);
}

.bi-header-search-results a:hover {
    background: var(--bi-primary-soft);
}

.bi-header-search-results a:last-child {
    border-bottom: none;
}

/* Hamburger */
.bi-header-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.bi-header-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--bi-text);
    border-radius: 2px;
    transition: all var(--bi-transition);
}

.bi-header-toggle.bi-active span:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}

.bi-header-toggle.bi-active span:nth-child(2) {
    opacity: 0;
}

.bi-header-toggle.bi-active span:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -4px);
}

@media (max-width: 768px) {
    .bi-header-toggle { display: flex; }
    .bi-header-search { display: none; }
    
    .bi-header-nav {
        position: absolute;
        top: 56px;
        left: 0;
        right: 0;
        background: var(--bi-bg);
        border-bottom: 1px solid var(--bi-border);
        box-shadow: var(--bi-shadow-lg);
        display: none;
        padding: 0.5rem 0;
    }
    
    .bi-header-nav.bi-nav-open { display: block; }
    
    .bi-nav-list {
        flex-direction: column;
        padding: 0 1rem;
    }
    
    .bi-nav-list > li > a {
        padding: 0.65rem 0;
        border-bottom: 1px solid var(--bi-border-light);
    }
    
    .bi-nav-list .sub-menu {
        position: static;
        box-shadow: none;
        border: none;
        padding-left: 1rem;
    }
}

/* ==============================================================
   BREADCRUMB
   ============================================================== */

.bi-breadcrumb {
    max-width: 780px;
    margin: 0 auto;
    padding: 0.75rem 1.25rem 0;
    font-size: 0.75rem;
    color: var(--bi-text-muted);
}

.bi-breadcrumb a {
    color: var(--bi-text-muted);
    transition: color var(--bi-transition);
}

.bi-breadcrumb a:hover { color: var(--bi-primary); }

.bi-bc-sep {
    margin: 0 0.3rem;
    opacity: 0.4;
}

/* ==============================================================
   CONTENT LAYOUT
   ============================================================== */

.bi-content-wrap {
    max-width: 780px;
    margin: 0 auto;
    padding: 0 1.25rem 4rem;
}

.bi-site-main {
    min-height: 60vh;
}

/* ==============================================================
   HOME PAGE
   ============================================================== */

.bi-home-hero {
    background: var(--bi-bg-alt);
    border-bottom: 1px solid var(--bi-border-light);
    overflow: hidden;
}

.bi-home-hero-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 3rem 1.25rem 3.5rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.bi-home-hero h1 {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--bi-text);
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin-bottom: 0.75rem;
}

.bi-gradient-text {
    background: linear-gradient(135deg, var(--bi-primary), #7c3aed);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bi-home-hero-content > p {
    font-size: 1.05rem;
    color: var(--bi-text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

/* Search box */
.bi-home-search {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bi-bg);
    border: 1px solid var(--bi-border);
    border-radius: 50px;
    padding: 0.375rem 0.375rem 0.375rem 1rem;
    box-shadow: var(--bi-shadow);
    transition: all var(--bi-transition);
    position: relative;
}

.bi-home-search:focus-within {
    border-color: var(--bi-primary);
    box-shadow: var(--bi-shadow-md), 0 0 0 3px var(--bi-primary-soft);
}

.bi-home-search svg { color: var(--bi-text-muted); flex-shrink: 0; }

.bi-home-search input {
    flex: 1;
    border: none;
    background: none;
    font-family: var(--bi-font);
    font-size: 0.9rem;
    color: var(--bi-text);
    outline: none;
    min-width: 0;
}

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

#bi-home-search-btn {
    background: var(--bi-primary);
    color: #fff;
    border: none;
    border-radius: 50px;
    padding: 0.5rem 1.25rem;
    font-family: var(--bi-font);
    font-size: 0.825rem;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--bi-transition);
    white-space: nowrap;
}

#bi-home-search-btn:hover { background: var(--bi-primary-dark); }

.bi-home-search-results {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    background: var(--bi-bg);
    border: 1px solid var(--bi-border);
    border-radius: var(--bi-radius);
    box-shadow: var(--bi-shadow-lg);
    display: none;
    max-height: 240px;
    overflow-y: auto;
    z-index: 50;
}

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

/* Hero stats */
.bi-home-hero-stats {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-top: 1.75rem;
}

.bi-hero-stat { text-align: center; }

.bi-hero-stat-value {
    display: block;
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--bi-text);
    letter-spacing: -0.02em;
}

.bi-hero-stat-label {
    font-size: 0.7rem;
    color: var(--bi-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.bi-hero-stat-sep {
    width: 1px;
    height: 28px;
    background: var(--bi-border);
}

/* Hero illustration */
.bi-hero-illustration {
    width: 100%;
    height: auto;
    max-width: 380px;
    margin: 0 auto;
}

.bi-pulse-ring {
    animation: bi-pulse 3s ease-out infinite;
}

.bi-pulse-delay {
    animation-delay: 1.5s;
}

@keyframes bi-pulse {
    0% { r: 30; opacity: 0.3; }
    100% { r: 80; opacity: 0; }
}

@media (max-width: 768px) {
    .bi-home-hero-inner {
        grid-template-columns: 1fr;
        padding: 2rem 1.25rem 2.5rem;
        text-align: center;
    }
    
    .bi-home-hero h1 { font-size: 1.75rem; }
    .bi-home-hero-graphic { display: none; }
    .bi-home-hero-stats { justify-content: center; }
}

/* Offers section */
.bi-home-offers {
    padding: 3rem 0;
    background: var(--bi-bg);
}

.bi-home-section-inner {
    max-width: 780px;
    margin: 0 auto;
    padding: 0 1.25rem;
}

.bi-home-section-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 1.25rem;
}

.bi-home-section-header h2 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--bi-text);
    letter-spacing: -0.01em;
}

.bi-home-section-header p {
    font-size: 0.8rem;
    color: var(--bi-text-muted);
}

.bi-home-section-link {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--bi-primary);
}

/* USP */
.bi-home-usp {
    padding: 3rem 0;
    background: var(--bi-bg-alt);
    border-top: 1px solid var(--bi-border-light);
    border-bottom: 1px solid var(--bi-border-light);
}

.bi-usp-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.bi-usp-card {
    text-align: center;
    padding: 1.5rem 1rem;
}

.bi-usp-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--bi-primary-soft);
    border-radius: 12px;
    color: var(--bi-primary);
    margin-bottom: 0.75rem;
}

.bi-usp-card h3 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--bi-text);
    margin-bottom: 0.4rem;
}

.bi-usp-card p {
    font-size: 0.825rem;
    color: var(--bi-text-muted);
    line-height: 1.6;
}

@media (max-width: 640px) {
    .bi-usp-grid { grid-template-columns: 1fr; gap: 0; }
}

/* Articles section */
.bi-home-articles {
    padding: 3rem 0 4rem;
    background: var(--bi-bg);
}

/* ==============================================================
   POST CARDS (Blog Index + Home)
   ============================================================== */

.bi-post-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.25rem;
    margin-top: 1rem;
}

.bi-post-card {
    background: var(--bi-bg);
    border: 1px solid var(--bi-border-light);
    border-radius: var(--bi-radius);
    overflow: hidden;
    transition: all var(--bi-transition);
    box-shadow: var(--bi-shadow-xs);
}

.bi-post-card:hover {
    border-color: var(--bi-primary-border);
    box-shadow: var(--bi-shadow-md);
    transform: translateY(-2px);
}

.bi-post-card-thumb img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.bi-post-card-body {
    padding: 1rem 1.125rem 1.125rem;
}

.bi-post-card-cat {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--bi-primary);
    margin-bottom: 0.35rem;
}

.bi-post-card-title {
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.35;
    margin-bottom: 0.35rem;
    letter-spacing: -0.01em;
}

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

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

.bi-post-card-excerpt {
    font-size: 0.825rem;
    color: var(--bi-text-muted);
    line-height: 1.55;
    margin-bottom: 0.5rem;
}

.bi-post-card-meta {
    font-size: 0.7rem;
    color: var(--bi-text-muted);
    font-weight: 500;
}

/* ==============================================================
   SINGLE ARTICLE
   ============================================================== */

.bi-article {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 1.25rem 4rem;
}

.bi-article-header {
    padding: 1.5rem 0 1.25rem;
}

.bi-article-meta-top {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.625rem;
}

.bi-article-cat {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--bi-primary);
    background: var(--bi-primary-soft);
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
}

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

.bi-article-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--bi-text);
    line-height: 1.2;
    letter-spacing: -0.03em;
}

.bi-article-subtitle {
    margin-top: 0.75rem;
    font-size: 1.05rem;
    color: var(--bi-text-secondary);
    line-height: 1.6;
}

/* Article TOC */
.bi-article-toc {
    background: var(--bi-bg-alt);
    border-left: 3px solid var(--bi-primary);
    border-radius: 0 var(--bi-radius-sm) var(--bi-radius-sm) 0;
    padding: 1rem 1.25rem;
    margin: 1.25rem 0;
}

.bi-article-toc-label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--bi-text-muted);
    margin-bottom: 0.5rem;
}

.bi-article-toc ol {
    list-style: decimal;
    padding-left: 1.25rem;
    margin: 0;
}

.bi-article-toc li {
    padding: 0.15rem 0;
    font-size: 0.825rem;
}

.bi-article-toc a {
    color: var(--bi-text-secondary);
}

.bi-article-toc a:hover { color: var(--bi-primary); }

/* Article content */
.bi-article-content {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--bi-text-secondary);
}

.bi-article-content h2 {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--bi-text);
    margin: 2.5rem 0 0.75rem;
    letter-spacing: -0.01em;
}

.bi-article-content h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--bi-text);
    margin: 2rem 0 0.5rem;
}

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

.bi-article-content ul, .bi-article-content ol {
    padding-left: 1.5rem;
    margin-bottom: 1.25rem;
}

.bi-article-content li {
    margin-bottom: 0.35rem;
}

.bi-article-content blockquote {
    border-left: 3px solid var(--bi-primary);
    padding: 0.75rem 1.25rem;
    margin: 1.5rem 0;
    background: var(--bi-bg-alt);
    border-radius: 0 var(--bi-radius-sm) var(--bi-radius-sm) 0;
    font-style: italic;
    color: var(--bi-text-secondary);
}

/* Article footer */
.bi-article-footer {
    border-top: 1px solid var(--bi-border-light);
    padding-top: 1rem;
    margin-top: 2.5rem;
}

.bi-article-source {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.75rem;
    color: var(--bi-text-muted);
    margin-bottom: 0.75rem;
}

.bi-article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
}

.bi-tag {
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--bi-text-muted);
    background: var(--bi-bg-alt);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    border: 1px solid var(--bi-border-light);
    transition: all var(--bi-transition);
}

.bi-tag:hover {
    border-color: var(--bi-primary-border);
    color: var(--bi-primary);
}

/* Related */
.bi-related {
    background: var(--bi-bg-alt);
    border-top: 1px solid var(--bi-border-light);
    padding: 2.5rem 0 3rem;
}

.bi-related h2 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--bi-text);
    margin-bottom: 1rem;
}

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

.bi-related-card {
    color: var(--bi-text);
    border-radius: var(--bi-radius-sm);
    overflow: hidden;
    transition: transform var(--bi-transition);
}

.bi-related-card:hover {
    transform: translateY(-2px);
    color: var(--bi-primary);
}

.bi-related-thumb img {
    width: 100%;
    height: 140px;
    object-fit: cover;
    border-radius: var(--bi-radius-sm);
    margin-bottom: 0.5rem;
}

.bi-related-card h3 {
    font-size: 0.875rem;
    font-weight: 600;
    line-height: 1.35;
    margin-bottom: 0.25rem;
}

.bi-related-date {
    font-size: 0.7rem;
    color: var(--bi-text-muted);
}

@media (max-width: 640px) {
    .bi-related-grid { grid-template-columns: 1fr; }
    .bi-article-title { font-size: 1.5rem; }
}

/* ==============================================================
   FOOTER
   ============================================================== */

.bi-footer {
    background: var(--bi-text);
    color: rgba(255,255,255,0.7);
    padding: 3rem 0 0;
}

.bi-footer-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.25rem;
}

.bi-footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 2.5rem;
    padding-bottom: 2rem;
}

.bi-footer-brand {
    margin-bottom: 0.75rem;
    color: #fff;
}

.bi-footer-brand .bi-logo-svg { height: 22px; }

.bi-footer-desc {
    font-size: 0.825rem;
    line-height: 1.6;
    color: rgba(255,255,255,0.5);
}

.bi-footer h4 {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(255,255,255,0.4);
    margin-bottom: 0.75rem;
}

.bi-footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.bi-footer-links li { margin-bottom: 0.35rem; }

.bi-footer-links a {
    font-size: 0.825rem;
    color: rgba(255,255,255,0.6);
    transition: color var(--bi-transition);
}

.bi-footer-links a:hover { color: #fff; }

.bi-footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 1.25rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.bi-footer-bottom p {
    font-size: 0.7rem;
    color: rgba(255,255,255,0.35);
}

.bi-footer-disclaimer {
    font-size: 0.65rem !important;
    max-width: 400px;
    text-align: right;
}

@media (max-width: 640px) {
    .bi-footer-grid { grid-template-columns: 1fr; gap: 1.5rem; }
    .bi-footer-bottom { flex-direction: column; text-align: center; }
    .bi-footer-disclaimer { text-align: center; }
}

/* ==============================================================
   UTILITIES
   ============================================================== */

.bi-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.55rem 1.25rem;
    border-radius: var(--bi-radius-sm);
    font-family: var(--bi-font);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--bi-transition);
    border: none;
}

.bi-btn-primary {
    background: var(--bi-primary);
    color: #fff;
}

.bi-btn-primary:hover {
    background: var(--bi-primary-dark);
    color: #fff;
}

.bi-btn-ghost {
    background: transparent;
    color: var(--bi-text-secondary);
    border: 1px solid var(--bi-border);
}

.bi-btn-ghost:hover {
    border-color: var(--bi-primary);
    color: var(--bi-primary);
}

/* 404 */
.bi-404-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
}

.bi-404-inner {
    text-align: center;
    max-width: 400px;
}

.bi-404-icon { margin: 0 auto 1.5rem; }

.bi-404-inner h1 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--bi-text);
    margin-bottom: 0.5rem;
}

.bi-404-inner p {
    color: var(--bi-text-muted);
    margin-bottom: 1.5rem;
}

.bi-404-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
}

/* Search page */
.bi-search-page-header {
    padding: 1.5rem 0 1rem;
}

.bi-search-page-header h1 {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--bi-text);
}

.bi-search-page-header p {
    color: var(--bi-text-muted);
    font-size: 0.85rem;
}

.bi-post-list-item {
    padding: 1rem 0;
    border-bottom: 1px solid var(--bi-border-light);
}

.bi-post-list-item h2 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.bi-post-list-item h2 a { color: var(--bi-text); }
.bi-post-list-item h2 a:hover { color: var(--bi-primary); }

.bi-post-list-item p {
    font-size: 0.85rem;
    color: var(--bi-text-muted);
    margin-bottom: 0.25rem;
}

.bi-post-list-item time {
    font-size: 0.7rem;
    color: var(--bi-text-muted);
}

/* No content */
.bi-no-content {
    text-align: center;
    padding: 4rem 0;
    color: var(--bi-text-muted);
}

.bi-no-content h2 {
    font-size: 1.25rem;
    color: var(--bi-text);
    margin-bottom: 0.5rem;
}

/* Pagination */
.bi-pagination {
    margin-top: 2rem;
}

.bi-pagination .nav-links {
    display: flex;
    justify-content: center;
    gap: 0.25rem;
}

.bi-pagination .page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 0.5rem;
    border: 1px solid var(--bi-border);
    border-radius: var(--bi-radius-sm);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--bi-text-secondary);
    transition: all var(--bi-transition);
}

.bi-pagination .page-numbers:hover,
.bi-pagination .page-numbers.current {
    background: var(--bi-primary);
    border-color: var(--bi-primary);
    color: #fff;
}

/* WP Admin bar adjustment */
.admin-bar .bi-header {
    top: 32px;
}

@media (max-width: 782px) {
    .admin-bar .bi-header {
        top: 46px;
    }
}