/* ============================================
   Sharp Picks Lab — Custom Ghost Theme
   Color palette: muted dark with subtle accents
   ============================================ */

/* --- Color Variables --- */
:root {
    --bg-primary: #141421;
    --bg-secondary: #1c1c35;
    --bg-card: #1e1e38;
    --bg-footer: #12122a;
    --bg-input: #16162e;

    --border: #2a2a4a;
    --border-hover: #3d5a80;

    --text-primary: #d4d4dc;
    --text-heading: #e8e8f0;
    --text-secondary: #9898ac;
    --text-muted: #6e6e84;

    --accent: #6b9dc2;
    --accent-hover: #82b1d4;
    --accent-dim: #4a7a9e;

    --tag-picks: #5b8fb9;
    --tag-picks-text: #0d1b2a;
    --tag-results: #5a9a6f;
    --tag-results-text: #0d1b2a;
    --tag-bts: #8978a9;
    --tag-bts-text: #f0f0f0;
    --tag-update: #b8956a;
    --tag-update-text: #0d1b2a;

    --banner-bg: #1a3328;
    --banner-border: #2d5a3f;
    --banner-text: #8bc4a0;

    --green: #5a9a6f;
    --red: #c45858;

    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;
    --font-mono: 'SF Mono', 'Fira Code', 'Fira Mono', Menlo, Consolas, monospace;

    --max-width: 1200px;
    --content-width: 720px;
    --gap: 2rem;
    --radius: 6px;
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.7;
}

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

a:hover {
    color: var(--accent-hover);
}

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

/* ============================================
   HEADER
   ============================================ */
.sp-head {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
}

.sp-head-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
}

.sp-head-logo {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-heading);
    letter-spacing: -0.02em;
}

.sp-head-logo:hover {
    color: var(--text-heading);
    opacity: 0.85;
}

.sp-head-menu {
    display: flex;
    align-items: center;
    gap: 0;
}

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

.sp-head-menu .nav li a {
    display: block;
    padding: 0.5rem 1rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.2s;
}

.sp-head-menu .nav li a:hover {
    color: var(--accent);
}

.sp-head-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.sp-search-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.4rem;
    transition: color 0.2s;
    display: flex;
    align-items: center;
}

.sp-search-btn:hover {
    color: var(--accent);
}

.sp-head-link {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.sp-head-link:hover {
    color: var(--accent);
}

.sp-head-btn {
    display: inline-block;
    padding: 0.4rem 1rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--bg-primary);
    background: var(--accent);
    border-radius: var(--radius);
    transition: background 0.2s;
}

.sp-head-btn:hover {
    background: var(--accent-hover);
    color: var(--bg-primary);
}

.sp-burger {
    display: none;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.4rem;
}

/* ============================================
   NOTICE BANNER
   ============================================ */
.sp-notice-banner {
    background: var(--banner-bg);
    border-bottom: 1px solid var(--banner-border);
    padding: 0.6rem 1.5rem;
    text-align: center;
    font-size: 0.8rem;
    color: var(--banner-text);
    line-height: 1.5;
}

.sp-notice-banner strong {
    color: #a0dbb8;
}

/* ============================================
   HOMEPAGE
   ============================================ */
.sp-home {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 2.5rem 1.5rem;
}

.sp-home-grid {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 3rem;
}

.sp-hero {
    margin-bottom: 2rem;
}

.sp-hero-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-heading);
    letter-spacing: -0.03em;
    margin-bottom: 0.4rem;
}

.sp-hero-desc {
    font-size: 1rem;
    color: var(--text-secondary);
}

/* --- Filter Tabs --- */
.sp-filter-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.sp-filter-tab {
    padding: 0.4rem 1rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: all 0.2s;
}

.sp-filter-tab:hover {
    border-color: var(--accent-dim);
    color: var(--accent);
}

.sp-filter-active {
    background: var(--accent-dim);
    color: var(--text-heading);
    border-color: var(--accent-dim);
}

.sp-filter-active:hover {
    color: var(--text-heading);
}

.sp-filter-count {
    opacity: 0.55;
    font-weight: 400;
}

/* --- Post Cards --- */
.sp-post-feed {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    margin-bottom: 2.5rem;
}

.sp-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: border-color 0.2s, transform 0.2s;
}

.sp-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

.sp-card-link {
    display: flex;
    flex-direction: column;
    height: 100%;
    color: inherit;
}

.sp-card-link:hover {
    color: inherit;
}

/* Thumbnail */
.sp-card-thumb {
    position: relative;
    width: 100%;
    height: 160px;
    overflow: hidden;
}

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

.sp-card:hover .sp-card-img {
    transform: scale(1.03);
}

.sp-card-thumb-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a1a36 0%, #252550 100%);
}

.sp-card-thumb-placeholder.sp-thumb-daily-picks {
    background: linear-gradient(135deg, #1a2a3d 0%, #2a4060 50%, #1a3050 100%);
}

.sp-card-thumb-placeholder.sp-thumb-daily-results {
    background: linear-gradient(135deg, #1a2d22 0%, #2a4a38 50%, #1a3828 100%);
}

.sp-card-thumb-placeholder.sp-thumb-behind-the-scenes {
    background: linear-gradient(135deg, #231a36 0%, #3a2a55 50%, #2a1f42 100%);
}

.sp-card-thumb-placeholder.sp-thumb-system-update {
    background: linear-gradient(135deg, #2a2010 0%, #3d3020 50%, #2d2518 100%);
}

.sp-card-thumb-icon {
    color: rgba(255, 255, 255, 0.15);
    transition: color 0.3s;
}

.sp-card:hover .sp-card-thumb-icon {
    color: rgba(255, 255, 255, 0.25);
}

.sp-card-tag-badge {
    position: absolute;
    bottom: 0.6rem;
    left: 0.6rem;
    display: inline-block;
    padding: 0.15rem 0.6rem;
    font-size: 0.65rem;
    font-weight: 700;
    border-radius: 3px;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.sp-card-body {
    padding: 1rem 1.25rem 1.25rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

/* Tags */
.sp-tag {
    display: inline-block;
    padding: 0.15rem 0.6rem;
    font-size: 0.7rem;
    font-weight: 700;
    border-radius: 3px;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    margin-bottom: 0.6rem;
}

.sp-tag-picks {
    background: var(--tag-picks);
    color: var(--tag-picks-text);
}

.sp-tag-results {
    background: var(--tag-results);
    color: var(--tag-results-text);
}

.sp-tag-bts {
    background: var(--tag-bts);
    color: var(--tag-bts-text);
}

.sp-tag-update {
    background: var(--tag-update);
    color: var(--tag-update-text);
}

.sp-tag-default {
    background: var(--border);
    color: var(--text-secondary);
}

.sp-card-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-heading);
    line-height: 1.35;
    margin-bottom: 0.5rem;
    transition: color 0.2s;
}

.sp-card:hover .sp-card-title {
    color: var(--accent);
}

.sp-card-excerpt {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.55;
    margin-bottom: 0.75rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}

.sp-card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.72rem;
    color: var(--text-muted);
    margin-top: auto;
}

.sp-card-meta-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.sp-card-readmore {
    color: var(--accent-dim);
    font-weight: 600;
    transition: color 0.2s;
}

.sp-card:hover .sp-card-readmore {
    color: var(--accent);
}

/* --- Pagination --- */
.sp-pagination {
    text-align: center;
    margin-bottom: 2rem;
}

.sp-pagination-btn {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: all 0.2s;
}

.sp-pagination-btn:hover {
    border-color: var(--accent-dim);
    color: var(--accent-hover);
}

/* --- Sidebar --- */
.sp-sidebar-sticky {
    position: sticky;
    top: 72px;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.sp-sidebar-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
}

.sp-sidebar-heading {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 0.5rem;
}

.sp-sidebar-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 0.75rem;
}

.sp-sidebar-btn {
    display: block;
    text-align: center;
    padding: 0.45rem 1rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent);
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: all 0.2s;
}

.sp-sidebar-btn:hover {
    border-color: var(--accent-dim);
    color: var(--accent-hover);
}

.sp-sidebar-link {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-dim);
}

.sp-sidebar-link:hover {
    color: var(--accent);
}

/* ============================================
   SUBSCRIBE SECTION
   ============================================ */
.sp-subscribe {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    text-align: center;
    margin-top: 2rem;
}

.sp-subscribe-icon {
    color: var(--accent-dim);
    margin-bottom: 0.75rem;
}

.sp-subscribe-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 0.4rem;
}

.sp-subscribe-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

.sp-subscribe-btn {
    display: inline-block;
    padding: 0.55rem 2rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--bg-primary);
    background: var(--accent);
    border-radius: var(--radius);
    transition: background 0.2s;
}

.sp-subscribe-btn:hover {
    background: var(--accent-hover);
    color: var(--bg-primary);
}

/* ============================================
   POST / PAGE
   ============================================ */
.sp-post-container {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

.sp-back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    transition: color 0.2s;
}

.sp-back-link:hover {
    color: var(--accent);
}

.sp-article-header {
    margin-bottom: 2rem;
}

.sp-article-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-heading);
    line-height: 1.25;
    letter-spacing: -0.03em;
    margin-bottom: 0.75rem;
}

.sp-article-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.sp-meta-sep {
    color: var(--border);
}

/* --- Content --- */
.sp-content {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-primary);
}

.sp-content h2 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-heading);
    margin: 2rem 0 0.75rem;
    letter-spacing: -0.02em;
}

.sp-content h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-heading);
    margin: 1.5rem 0 0.5rem;
}

.sp-content p {
    margin-bottom: 1.2rem;
}

.sp-content a {
    color: var(--accent);
    text-decoration: underline;
    text-decoration-color: var(--accent-dim);
    text-underline-offset: 2px;
}

.sp-content a:hover {
    text-decoration-color: var(--accent);
}

.sp-content strong {
    color: var(--text-heading);
    font-weight: 600;
}

.sp-content em {
    color: var(--text-secondary);
}

.sp-content ul, .sp-content ol {
    margin: 0 0 1.2rem 1.5rem;
}

.sp-content li {
    margin-bottom: 0.4rem;
}

.sp-content blockquote {
    border-left: 3px solid var(--accent-dim);
    padding: 0.5rem 0 0.5rem 1.25rem;
    margin: 1.5rem 0;
    color: var(--text-secondary);
    font-style: italic;
}

.sp-content pre {
    background: #0e0e1e;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    overflow-x: auto;
    margin: 1.5rem 0;
    font-size: 0.85rem;
    line-height: 1.6;
}

.sp-content code {
    font-family: var(--font-mono);
    color: #a0b8cc;
}

.sp-content p code {
    background: #0e0e1e;
    padding: 0.15rem 0.4rem;
    border-radius: 3px;
    font-size: 0.88em;
}

.sp-content hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 2rem 0;
}

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

.sp-content figcaption {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-align: center;
    margin-top: -1rem;
    margin-bottom: 1.5rem;
}

/* Tables */
.sp-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    font-size: 0.88rem;
}

.sp-content th {
    background: #1a1a36;
    color: var(--text-heading);
    font-weight: 600;
    text-align: left;
    padding: 0.6rem 0.75rem;
    border-bottom: 2px solid var(--border);
}

.sp-content td {
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid var(--border);
    color: var(--text-primary);
}

.sp-content tr:hover td {
    background: rgba(107, 157, 194, 0.04);
}

/* Ghost cards (bookmark, gallery, etc.) */
.kg-card {
    margin: 1.5rem 0;
}

.kg-bookmark-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.kg-bookmark-content {
    padding: 1rem;
}

.kg-bookmark-title {
    color: var(--text-heading);
    font-weight: 600;
}

.kg-bookmark-description {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* --- Share --- */
.sp-share {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
}

.sp-share-btn {
    display: inline-block;
    padding: 0.45rem 1.25rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: all 0.2s;
}

.sp-share-btn:hover {
    border-color: var(--accent-dim);
    color: var(--accent);
}

/* --- Post Nav --- */
.sp-post-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
}

.sp-post-nav-item {
    display: block;
    padding: 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: border-color 0.2s;
}

.sp-post-nav-item:hover {
    border-color: var(--border-hover);
}

.sp-post-nav-label {
    display: block;
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.3rem;
}

.sp-post-nav-title {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-heading);
    line-height: 1.35;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.sp-post-nav-item:hover .sp-post-nav-title {
    color: var(--accent);
}

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

/* ============================================
   FOOTER
   ============================================ */
.sp-foot {
    background: var(--bg-footer);
    border-top: 1px solid var(--border);
    margin-top: 3rem;
}

.sp-foot-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 2.5rem 1.5rem 1.5rem;
}

.sp-foot-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1.5fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.sp-foot-heading {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 0.6rem;
}

.sp-foot-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.sp-foot-nav {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.sp-foot-nav .nav {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.sp-foot-nav a,
.sp-foot-nav .nav li a {
    font-size: 0.8rem;
    color: var(--text-secondary);
    transition: color 0.2s;
}

.sp-foot-nav a:hover,
.sp-foot-nav .nav li a:hover {
    color: var(--accent);
}

.sp-foot-legal {
    font-size: 0.72rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.sp-foot-bottom {
    padding-top: 1.25rem;
    border-top: 1px solid var(--border);
    text-align: center;
}

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

/* ============================================
   ERROR PAGE
   ============================================ */
.sp-error {
    text-align: center;
    padding: 6rem 1.5rem;
}

.sp-error-code {
    font-size: 5rem;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: -0.05em;
}

.sp-error-msg {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.sp-error-link {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent);
}

/* ============================================
   MOBILE
   ============================================ */
@media (max-width: 768px) {
    .sp-head-menu,
    .sp-head-actions {
        display: none;
        position: absolute;
        left: 0;
        right: 0;
        background: var(--bg-secondary);
        border-bottom: 1px solid var(--border);
        padding: 1rem 1.5rem;
    }

    .sp-head-menu {
        top: 56px;
        z-index: 99;
    }

    .sp-head-menu .nav {
        flex-direction: column;
        gap: 0;
    }

    .sp-head-menu .nav li a {
        padding: 0.6rem 0;
    }

    .sp-head-actions {
        top: calc(56px + var(--menu-height, 100px));
        z-index: 98;
        flex-direction: column;
        gap: 0.5rem;
    }

    .sp-menu-open {
        display: block !important;
    }

    .sp-actions-open {
        display: flex !important;
        top: auto;
        position: relative;
        border-bottom: none;
        border-top: 1px solid var(--border);
        padding: 0.75rem 0 0;
        margin-top: 0.5rem;
    }

    .sp-menu-open + .sp-head-actions {
        display: none;
    }

    .sp-menu-open ~ .sp-actions-open {
        display: flex;
    }

    .sp-burger {
        display: flex;
        align-items: center;
    }

    .sp-search-btn {
        display: none;
    }

    .sp-home-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .sp-sidebar {
        order: 2;
    }

    .sp-sidebar-sticky {
        position: static;
    }

    .sp-hero-title {
        font-size: 1.5rem;
    }

    .sp-article-title {
        font-size: 1.5rem;
    }

    .sp-foot-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .sp-post-nav {
        grid-template-columns: 1fr;
    }

    .sp-post-feed {
        grid-template-columns: 1fr;
    }

    .sp-card-thumb {
        height: 140px;
    }

    .sp-filter-tabs {
        gap: 0.35rem;
    }

    .sp-filter-tab {
        font-size: 0.72rem;
        padding: 0.35rem 0.75rem;
    }
}

@media (max-width: 480px) {
    .sp-card-body {
        padding: 0.85rem 1rem 1rem;
    }

    .sp-card-title {
        font-size: 1rem;
    }

    .sp-card-thumb {
        height: 120px;
    }

    .sp-home {
        padding: 1.5rem 1rem;
    }

    .sp-post-container {
        padding: 1.5rem 1rem;
    }
}