/* ================================================
   BETA-PB Web — Dark Gaming Theme
   Font: Rajdhani (TH-friendly) + Sarabun
   ================================================ */
@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@400;500;600;700&family=Sarabun:wght@300;400;500;600&display=swap');

/* ── Variables ─────────────────────────────────── */
:root {
    --bg:         #0a0c10;
    --bg2:        #0f1117;
    --bg3:        #161b25;
    --border:     #1e2535;
    --border2:    #2a3347;
    --accent:     #00d4ff;
    --accent2:    #0099cc;
    --accent-glow:rgba(0,212,255,.18);
    --green:      #00ff9d;
    --orange:     #ff7c2a;
    --red:        #ff4444;
    --text:       #e2e8f0;
    --text2:      #8892a4;
    --text3:      #505a6e;
    --tag-bg:     #1a2235;
    --shadow:     0 4px 24px rgba(0,0,0,.6);
    --radius:     8px;
    --radius2:    12px;
}

/* ── Reset ─────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Sarabun', sans-serif;
    font-size: 15px;
    line-height: 1.7;
    min-height: 100vh;
}

/* ── Background grid texture ───────────────────── */
body::before {
    content: '';
    position: fixed; inset: 0; z-index: 0; pointer-events: none;
    background-image:
        linear-gradient(rgba(0,212,255,.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,212,255,.03) 1px, transparent 1px);
    background-size: 40px 40px;
}

/* ── Layout ─────────────────────────────────────── */
.wrapper { position: relative; z-index: 1; max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* ── Header ─────────────────────────────────────── */
#site-header {
    background: linear-gradient(180deg, #0d1018 0%, rgba(10,12,16,.95) 100%);
    border-bottom: 1px solid var(--border);
    position: sticky; top: 0; z-index: 100;
    backdrop-filter: blur(12px);
}
.header-inner {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 0;
}
.site-logo {
    font-family: 'Rajdhani', sans-serif;
    font-size: 22px; font-weight: 700; letter-spacing: 2px;
    color: var(--accent);
    text-decoration: none;
    text-shadow: 0 0 20px var(--accent-glow);
    display: flex; align-items: center; gap: 10px;
}
.site-logo span { color: var(--text2); font-weight: 400; font-size: 13px; letter-spacing: 1px; }
.header-nav { display: flex; gap: 6px; }
.header-nav a {
    color: var(--text2); text-decoration: none;
    padding: 6px 14px; border-radius: var(--radius);
    font-size: 13px; font-family: 'Rajdhani', sans-serif;
    font-weight: 600; letter-spacing: 1px; text-transform: uppercase;
    transition: all .2s;
}
.header-nav a:hover, .header-nav a.active {
    color: var(--accent); background: var(--accent-glow);
}

/* ── Search bar ─────────────────────────────────── */
.search-bar {
    background: var(--bg2);
    border: 1px solid var(--border);
    padding: 16px 20px;
    display: flex; gap: 10px; align-items: center;
    border-radius: var(--radius2);
    margin: 24px 0;
}
.search-bar input {
    flex: 1; background: transparent; border: none; outline: none;
    color: var(--text); font-family: 'Sarabun', sans-serif; font-size: 14px;
}
.search-bar input::placeholder { color: var(--text3); }
.search-bar button {
    background: var(--accent); color: var(--bg);
    border: none; padding: 7px 18px; border-radius: 6px;
    font-family: 'Rajdhani', sans-serif; font-weight: 700;
    font-size: 13px; cursor: pointer; letter-spacing: 1px;
    transition: background .2s;
}
.search-bar button:hover { background: #33ddff; }

/* ── Filter tabs ─────────────────────────────────── */
.filter-tabs { display: flex; gap: 8px; margin-bottom: 20px; flex-wrap: wrap; }
.filter-tab {
    padding: 6px 16px; border-radius: 20px;
    border: 1px solid var(--border2);
    background: var(--bg2); color: var(--text2);
    font-size: 12px; font-family: 'Rajdhani', sans-serif;
    font-weight: 600; letter-spacing: 1px; text-transform: uppercase;
    cursor: pointer; text-decoration: none;
    transition: all .2s;
}
.filter-tab:hover { border-color: var(--accent); color: var(--accent); }
.filter-tab.active { background: var(--accent); color: var(--bg); border-color: var(--accent); }

/* ── Post Card ──────────────────────────────────── */
.posts-grid { display: flex; flex-direction: column; gap: 16px; }
.post-card {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: var(--radius2);
    overflow: hidden;
    transition: border-color .2s, transform .2s;
    position: relative;
}
.post-card:hover { border-color: var(--border2); transform: translateY(-1px); }
.post-card.pinned { border-color: var(--accent); }
.post-card.pinned::before {
    content: '📌 ปักหมุด';
    position: absolute; top: 12px; right: 12px;
    background: var(--accent); color: var(--bg);
    font-size: 10px; font-family: 'Rajdhani', sans-serif;
    font-weight: 700; letter-spacing: 1px;
    padding: 2px 8px; border-radius: 4px;
}
.post-card-inner { display: flex; }
.post-thumb {
    width: 180px; min-height: 120px; flex-shrink: 0;
    object-fit: cover;
}
.post-body { padding: 18px 20px; flex: 1; }
.post-meta {
    display: flex; align-items: center; gap: 10px;
    margin-bottom: 8px; flex-wrap: wrap;
}
.post-type {
    font-size: 10px; font-family: 'Rajdhani', sans-serif;
    font-weight: 700; letter-spacing: 2px; text-transform: uppercase;
    padding: 2px 8px; border-radius: 4px;
}
.post-type.status { background: rgba(0,255,157,.12); color: var(--green); }
.post-type.howto  { background: rgba(255,124,42,.12);  color: var(--orange); }
.post-date { color: var(--text3); font-size: 12px; }
.post-views { color: var(--text3); font-size: 12px; margin-left: auto; }
.post-title {
    font-family: 'Rajdhani', sans-serif; font-size: 18px;
    font-weight: 700; color: var(--text);
    text-decoration: none; display: block;
    margin-bottom: 6px; line-height: 1.3;
    transition: color .2s;
}
.post-title:hover { color: var(--accent); }
.post-excerpt { color: var(--text2); font-size: 13px; line-height: 1.6; }
.post-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 10px; }
.post-tag {
    background: var(--tag-bg); color: var(--accent2);
    font-size: 11px; padding: 2px 8px; border-radius: 4px;
    text-decoration: none; font-family: 'Rajdhani', sans-serif;
    font-weight: 600; letter-spacing: 1px;
    transition: background .2s;
}
.post-tag:hover { background: var(--accent-glow); }

/* ── No-thumb card ──────────────────────────────── */
.post-card.no-thumb .post-card-inner { padding: 18px 20px; }
.post-card.no-thumb .post-body { padding: 0; }

/* ── Post full page ─────────────────────────────── */
.post-full { max-width: 780px; margin: 0 auto; }
.post-full-header { margin: 32px 0 24px; }
.post-full-title {
    font-family: 'Rajdhani', sans-serif;
    font-size: 32px; font-weight: 700; line-height: 1.2;
    margin-bottom: 12px;
}
.post-full-image { width: 100%; border-radius: var(--radius2); margin-bottom: 28px; border: 1px solid var(--border); }
.post-content {
    color: var(--text); font-size: 15px; line-height: 1.9;
}
.post-content h2 { font-family: 'Rajdhani', sans-serif; font-size: 22px; font-weight: 700; margin: 28px 0 12px; color: var(--accent); }
.post-content h3 { font-family: 'Rajdhani', sans-serif; font-size: 18px; font-weight: 700; margin: 20px 0 10px; }
.post-content p  { margin-bottom: 14px; }
.post-content ul, .post-content ol { padding-left: 24px; margin-bottom: 14px; }
.post-content li { margin-bottom: 6px; }
.post-content img { max-width: 100%; border-radius: var(--radius); margin: 12px 0; border: 1px solid var(--border); }
.post-content code {
    background: var(--bg3); color: var(--green);
    padding: 2px 7px; border-radius: 4px;
    font-family: 'Courier New', monospace; font-size: 13px;
}
.post-content pre {
    background: var(--bg3); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 16px;
    overflow-x: auto; margin: 16px 0;
}
.post-content pre code { background: none; padding: 0; }
.post-content blockquote {
    border-left: 3px solid var(--accent);
    padding: 10px 18px; margin: 16px 0;
    background: var(--bg3); color: var(--text2);
    border-radius: 0 var(--radius) var(--radius) 0;
}
.post-content a { color: var(--accent); }

/* ── Comments ───────────────────────────────────── */
.comments-section {
    margin-top: 48px;
    border-top: 1px solid var(--border);
    padding-top: 32px;
}
.comments-title {
    font-family: 'Rajdhani', sans-serif; font-size: 20px;
    font-weight: 700; margin-bottom: 20px;
    color: var(--accent);
}
.comment-notice {
    background: rgba(0,212,255,.06);
    border: 1px solid rgba(0,212,255,.2);
    border-radius: var(--radius);
    padding: 12px 16px; margin-bottom: 20px;
    font-size: 13px; color: var(--text2);
    display: flex; align-items: flex-start; gap: 8px;
}
.comment-notice strong { color: var(--accent); }
.comment-form { margin-bottom: 32px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 12px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 12px; color: var(--text2); font-family: 'Rajdhani', sans-serif; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; }
.form-group input,
.form-group textarea {
    background: var(--bg3);
    border: 1px solid var(--border2);
    border-radius: var(--radius);
    padding: 10px 14px;
    color: var(--text);
    font-family: 'Sarabun', sans-serif;
    font-size: 14px;
    outline: none;
    transition: border-color .2s;
    resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus { border-color: var(--accent); }
.btn-submit {
    background: var(--accent); color: var(--bg);
    border: none; padding: 10px 28px;
    border-radius: var(--radius); font-family: 'Rajdhani', sans-serif;
    font-weight: 700; font-size: 14px; letter-spacing: 1px;
    cursor: pointer; transition: all .2s;
    text-transform: uppercase;
}
.btn-submit:hover { background: #33ddff; box-shadow: 0 0 20px var(--accent-glow); }
.comment-list { display: flex; flex-direction: column; gap: 14px; }
.comment-item {
    background: var(--bg3); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 14px 18px;
}
.comment-author {
    font-family: 'Rajdhani', sans-serif; font-weight: 700;
    color: var(--accent); font-size: 14px; margin-bottom: 4px;
}
.comment-date { color: var(--text3); font-size: 11px; margin-left: 8px; font-weight: 400; }
.comment-text { color: var(--text2); font-size: 13px; line-height: 1.7; }
.no-comments { color: var(--text3); font-size: 13px; text-align: center; padding: 20px; }

/* ── Alert / Status message ─────────────────────── */
.alert {
    padding: 10px 16px; border-radius: var(--radius);
    font-size: 13px; margin-bottom: 16px;
}
.alert.success { background: rgba(0,255,157,.1); border: 1px solid rgba(0,255,157,.3); color: var(--green); }
.alert.error   { background: rgba(255,68,68,.1);  border: 1px solid rgba(255,68,68,.3);  color: var(--red); }

/* ── Pagination ─────────────────────────────────── */
.pagination { display: flex; gap: 6px; justify-content: center; margin: 32px 0; }
.pagination a, .pagination span {
    padding: 7px 14px; border-radius: var(--radius);
    border: 1px solid var(--border2);
    background: var(--bg2); color: var(--text2);
    text-decoration: none; font-size: 13px;
    font-family: 'Rajdhani', sans-serif; font-weight: 600;
    transition: all .2s;
}
.pagination a:hover { border-color: var(--accent); color: var(--accent); }
.pagination span.current { background: var(--accent); color: var(--bg); border-color: var(--accent); }

/* ── Footer ─────────────────────────────────────── */
#site-footer {
    border-top: 1px solid var(--border);
    padding: 28px 0;
    text-align: center;
    color: var(--text3);
    font-size: 12px;
    margin-top: 60px;
}

/* ── Responsive ─────────────────────────────────── */
@media (max-width: 640px) {
    .post-thumb { display: none; }
    .form-row { grid-template-columns: 1fr; }
    .header-inner { flex-wrap: wrap; gap: 10px; }
    .post-full-title { font-size: 24px; }
}