/* ============================================================
   THẬT — Ghost Theme for Forex Thật
   Nothing-inspired minimalism. Black. Monospace. Space.
   ============================================================ */

/* --- Reset & Base --- */

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

:root {
    --bg: #000000;
    --bg-elevated: #0a0a0a;
    --text: #d4d4d4;
    --text-dim: #666666;
    --text-bright: #f0f0f0;
    --accent: #2b7a0e;
    --accent-dim: rgba(43, 122, 14, 0.15);
    --border: #1a1a1a;
    --mono: 'Space Mono', 'JetBrains Mono', 'SF Mono', 'Consolas', monospace;
    --serif: 'Georgia', 'Times New Roman', serif;
    --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --content-width: 680px;
    --site-width: 1080px;
}

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

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--sans);
    line-height: 1.7;
    min-height: 100vh;
}

a {
    color: var(--text-bright);
    text-decoration: none;
    border-bottom: 1px solid var(--border);
    transition: border-color 0.2s;
}

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

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

/* --- Header --- */

.site-header {
    border-bottom: 1px solid var(--border);
    padding: 0 24px;
}

.header-inner {
    max-width: var(--site-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.site-logo {
    font-family: var(--mono);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-bright);
    border: none;
}

.site-nav ul {
    list-style: none;
    display: flex;
    gap: 32px;
}

.site-nav a {
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-dim);
    border: none;
    transition: color 0.2s;
}

.site-nav a:hover {
    color: var(--text-bright);
}

/* --- Hero --- */

.hero {
    max-width: var(--site-width);
    margin: 0 auto;
    padding: 120px 24px 100px;
    border-bottom: 1px solid var(--border);
}

.hero-headline {
    font-family: var(--serif);
    font-size: 64px;
    font-weight: 400;
    color: var(--text-bright);
    line-height: 1.15;
    letter-spacing: -1px;
    margin-bottom: 32px;
}

.hero-sub {
    font-family: var(--mono);
    font-size: 14px;
    color: var(--text-dim);
    line-height: 1.9;
    letter-spacing: 0.5px;
}

/* --- Feed Section --- */

.feed-section {
    max-width: var(--site-width);
    margin: 0 auto;
    padding: 0 24px;
}

.feed-label {
    display: block;
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-dim);
    padding: 40px 0 0;
}

.post-feed {
    max-width: var(--site-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
}

/* --- Post Card --- */

.post-card {
    border-bottom: 1px solid var(--border);
}

.post-card-link {
    display: block;
    padding: 40px 0;
    border: none;
    transition: background 0.2s;
}

.post-card-link:hover {
    background: var(--bg-elevated);
}

.post-card-tag {
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent);
    display: block;
    margin-bottom: 12px;
}

.post-card-title {
    font-family: var(--serif);
    font-size: 28px;
    font-weight: 400;
    color: var(--text-bright);
    line-height: 1.3;
    margin-bottom: 12px;
}

.post-card-excerpt {
    font-size: 15px;
    color: var(--text-dim);
    line-height: 1.6;
    max-width: var(--content-width);
}

.post-card-meta {
    margin-top: 16px;
}

.post-card-meta time {
    font-family: var(--mono);
    font-size: 12px;
    color: var(--text-dim);
    letter-spacing: 1px;
}

/* --- Single Post --- */

.post-full {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: 0 24px;
}

.post-header {
    padding: 80px 0 48px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 48px;
}

.post-tag {
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent);
    display: block;
    margin-bottom: 20px;
}

.post-title {
    font-family: var(--serif);
    font-size: 40px;
    font-weight: 400;
    color: var(--text-bright);
    line-height: 1.25;
    margin-bottom: 24px;
}

.post-meta {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    font-family: var(--mono);
    font-size: 12px;
    color: var(--text-dim);
    letter-spacing: 0.5px;
}

.post-updated {
    color: var(--accent);
}

/* --- Post Content --- */

.post-content {
    font-size: 17px;
    line-height: 1.8;
    color: var(--text);
    padding-bottom: 60px;
}

.post-content h2 {
    font-family: var(--serif);
    font-size: 28px;
    font-weight: 400;
    color: var(--text-bright);
    margin: 56px 0 20px;
    padding-top: 32px;
    border-top: 1px solid var(--border);
}

.post-content h3 {
    font-family: var(--serif);
    font-size: 22px;
    font-weight: 400;
    color: var(--text-bright);
    margin: 40px 0 16px;
}

.post-content p {
    margin-bottom: 20px;
}

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

.post-content em {
    font-style: italic;
    color: var(--text-dim);
}

.post-content ul, .post-content ol {
    margin: 0 0 20px 20px;
}

.post-content li {
    margin-bottom: 8px;
}

.post-content blockquote {
    border-left: 3px solid var(--accent) !important;
    padding: 16px 24px !important;
    margin: 28px 0 !important;
    background: var(--accent-dim) !important;
    font-size: 15px;
    color: var(--text) !important;
}

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

.post-content hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 48px 0;
}

.post-content a {
    color: var(--accent);
    border-bottom: 1px solid rgba(43, 122, 14, 0.3);
}

.post-content a:hover {
    border-color: var(--accent);
}

/* Tables */

.post-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    font-size: 14px;
}

.post-content th {
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 1px;
    text-transform: uppercase;
    text-align: left;
    padding: 12px 16px;
    border-bottom: 2px solid var(--border);
    color: var(--text-dim);
}

.post-content td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
}

.post-content tr:hover td {
    background: var(--bg-elevated);
}

/* Code */

.post-content code {
    font-family: var(--mono);
    font-size: 14px;
    background: var(--bg-elevated);
    padding: 2px 6px;
    border-radius: 2px;
    color: var(--accent);
}

.post-content pre {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    padding: 20px 24px;
    margin: 24px 0;
    overflow-x: auto;
    font-size: 14px;
    line-height: 1.6;
}

.post-content pre code {
    background: none;
    padding: 0;
    color: var(--text);
}

/* Checklist */

.post-content ul li input[type="checkbox"] {
    accent-color: var(--accent);
    margin-right: 8px;
}

/* --- Post Tags --- */

.post-tags {
    padding: 32px 0;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.post-tag-link {
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-dim);
    border: 1px solid var(--border);
    padding: 4px 12px;
    transition: all 0.2s;
}

.post-tag-link:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* --- Read Next --- */

.read-next {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: 40px 24px;
    border-top: 1px solid var(--border);
}

.read-next-label {
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-dim);
    display: block;
    margin-bottom: 12px;
}

.read-next-link {
    font-family: var(--serif);
    font-size: 22px;
    color: var(--text-bright);
    border: none;
}

.read-next-link:hover {
    color: var(--accent);
}

/* --- Tag Page --- */

.tag-header {
    max-width: var(--content-width);
    margin: 80px auto 40px;
    padding: 0 24px;
}

.tag-name {
    font-family: var(--mono);
    font-size: 14px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-bright);
    font-weight: 400;
}

.tag-description {
    margin-top: 12px;
    font-size: 15px;
    color: var(--text-dim);
}

/* --- Pagination --- */

.pagination {
    max-width: var(--site-width);
    margin: 0 auto;
    padding: 48px 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: 1px;
}

.pagination a {
    color: var(--text-dim);
    border: none;
    transition: color 0.2s;
}

.pagination a:hover {
    color: var(--text-bright);
}

.pagination-info {
    color: var(--text-dim);
}

/* --- Error Page --- */

.error-page {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: 120px 24px;
    text-align: center;
}

.error-code {
    font-family: var(--mono);
    font-size: 72px;
    font-weight: 400;
    color: var(--text-dim);
    letter-spacing: 8px;
}

.error-message {
    margin: 16px 0 32px;
    font-size: 15px;
    color: var(--text-dim);
}

.error-link {
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: 1px;
    color: var(--text-dim);
    border: 1px solid var(--border);
    padding: 8px 20px;
}

.error-link:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* --- Footer --- */

.site-footer {
    margin-top: 80px;
    border-top: 1px solid var(--border);
}

.footer-risk {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: 32px 24px;
    font-size: 12px;
    color: var(--text-dim);
    line-height: 1.8;
    text-align: center;
}

.footer-risk a {
    color: var(--text-dim);
    border-bottom: 1px solid var(--border);
}

.footer-risk a:hover {
    color: var(--accent);
    border-color: var(--accent);
}

.footer-bottom {
    border-top: 1px solid var(--border);
    padding: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
    font-family: var(--mono);
    font-size: 11px;
    color: var(--text-dim);
    letter-spacing: 1px;
}

.footer-nav ul {
    list-style: none;
    display: flex;
    gap: 24px;
}

.footer-nav a {
    color: var(--text-dim);
    border: none;
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 1px;
}

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

/* --- Resumo Box (AEO Summary) --- */

.post-content blockquote:first-child {
    border-left: 3px solid var(--accent) !important;
    background: var(--accent-dim) !important;
    margin-top: 0;
}

.post-content blockquote strong {
    color: var(--accent) !important;
}

/* --- Contact Email Block --- */

.email-block {
    margin: 48px 0;
    padding: 32px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.email-label {
    display: block;
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 2px;
    color: var(--text-dim);
    margin-bottom: 12px;
}

.email-address {
    font-family: var(--mono);
    font-size: 20px;
    color: var(--text-bright) !important;
    border: none !important;
    letter-spacing: 1px;
    transition: color 0.2s;
}

.email-address:hover {
    color: var(--accent) !important;
}

/* --- Contact Form (legacy) --- */

.contact-form {
    max-width: 480px;
    margin: 40px 0;
}

.contact-form label {
    display: block;
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--text-dim);
    margin: 24px 0 8px;
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form select,
.contact-form textarea {
    width: 100%;
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text-bright);
    font-family: var(--sans);
    font-size: 15px;
    padding: 12px 16px;
    transition: border-color 0.2s;
    -webkit-appearance: none;
    appearance: none;
    border-radius: 0;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.contact-form select {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23666' fill='none' stroke-width='1.5'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.contact-form select option {
    background: var(--bg);
    color: var(--text);
}

.contact-form textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-form button {
    margin-top: 32px;
    background: none;
    border: 1px solid var(--text-dim);
    color: var(--text-dim);
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 12px 32px;
    cursor: pointer;
    transition: all 0.2s;
}

.contact-form button:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* --- Responsive --- */

@media (max-width: 768px) {
    .header-inner {
        flex-direction: column;
        height: auto;
        padding: 20px 0;
        gap: 16px;
    }

    .site-nav ul {
        gap: 20px;
    }

    .hero {
        padding: 72px 24px 64px;
    }

    .hero-headline {
        font-size: 36px;
        letter-spacing: 0;
    }

    .hero-sub {
        font-size: 13px;
    }

    .post-header {
        padding: 48px 0 32px;
    }

    .post-title {
        font-size: 28px;
    }

    .post-card-title {
        font-size: 22px;
    }

    .post-content h2 {
        font-size: 22px;
    }

    .post-content h3 {
        font-size: 18px;
    }

    .post-content table {
        font-size: 13px;
    }

    .post-content th,
    .post-content td {
        padding: 8px 10px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 12px;
    }
}

@media (max-width: 480px) {
    .site-nav ul {
        gap: 16px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .post-meta {
        flex-direction: column;
        gap: 8px;
    }

    .post-content {
        font-size: 16px;
    }
}

/* --- Ghost-specific card styles --- */

.kg-card {
    margin: 24px 0;
}

.kg-image-card img {
    margin: 0 auto;
    display: block;
}

.kg-width-wide {
    max-width: var(--site-width);
    margin-left: calc(50% - var(--site-width) / 2);
    margin-right: calc(50% - var(--site-width) / 2);
}

.kg-width-full {
    max-width: 100vw;
    margin-left: calc(50% - 50vw);
    margin-right: calc(50% - 50vw);
}

.kg-width-full img {
    width: 100%;
}

/* Gallery */

.kg-gallery-container {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin: 24px 0;
}

.kg-gallery-row {
    display: flex;
    gap: 4px;
}

.kg-gallery-image {
    flex: 1;
    overflow: hidden;
}

.kg-gallery-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Bookmark */

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

.kg-bookmark-container {
    display: flex;
    text-decoration: none;
    border: none;
    color: var(--text);
}

.kg-bookmark-content {
    padding: 20px;
    flex: 1;
}

.kg-bookmark-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-bright);
}

.kg-bookmark-description {
    font-size: 13px;
    color: var(--text-dim);
    margin-top: 8px;
}

.kg-bookmark-metadata {
    font-family: var(--mono);
    font-size: 11px;
    color: var(--text-dim);
    margin-top: 12px;
}

.kg-bookmark-icon {
    width: 22px;
    height: 22px;
    margin-right: 8px;
    vertical-align: middle;
}

.kg-bookmark-author,
.kg-bookmark-publisher {
    color: var(--text-dim);
}

.kg-bookmark-thumbnail {
    flex-shrink: 0;
    width: 200px;
}

.kg-bookmark-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}