/* =========================================================
   Content Hub - Front-end Styles (Dark Theme)
   ========================================================= */

:root{
  --bg: #0f1117;
  --bg-alt: #161923;
  --card: #1a1d29;
  --border: #262b38;
  --text: #e7e9ee;
  --text-muted: #9aa1b2;
  --accent: #6366f1;
  --accent-hover: #7c7ff2;
  --danger: #ef4444;
  --radius: 12px;
  --header-h: 60px;
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  line-height:1.6;
  padding-top:var(--header-h);
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}

.container{max-width:1180px;margin:0 auto;padding:0 16px;}
.container-narrow{max-width:760px;}

/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;height:var(--header-h);
  background:rgba(15,17,23,0.92);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border);
  z-index:100;
}
.header-inner{
  max-width:1180px;margin:0 auto;height:100%;
  display:flex;align-items:center;gap:14px;padding:0 16px;
}
.hamburger-btn{
  background:none;border:none;width:38px;height:38px;
  display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;
  cursor:pointer;flex-shrink:0;
}
.hamburger-btn span{width:20px;height:2px;background:var(--text);border-radius:2px;transition:.2s;}

.site-brand{display:flex;align-items:center;flex-shrink:0;}
.site-logo{height:34px;width:auto;}
.site-name{
  font-size:22px;font-weight:900;white-space:nowrap;letter-spacing:.01em;
  font-family:Georgia,'Times New Roman',serif;
  background:linear-gradient(135deg,#f43f5e 0%,#fbbf24 45%,#f43f5e 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  text-shadow:0 1px 0 rgba(0,0,0,.3);
}

.header-search{
  flex:1;display:flex;align-items:center;background:var(--bg-alt);
  border:1px solid var(--border);border-radius:999px;padding:2px 6px 2px 16px;
  max-width:520px;margin-left:auto;
}
.header-search input{
  flex:1;background:none;border:none;outline:none;color:var(--text);
  font-size:14px;padding:8px 0;
}
.header-search input::placeholder{color:var(--text-muted);}
.header-search button{
  background:var(--accent);border:none;color:#fff;width:34px;height:34px;
  border-radius:999px;display:flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0;
}

/* ---------- Side / Hamburger Menu ---------- */
.overlay{
  position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:150;
  opacity:0;visibility:hidden;transition:opacity .25s ease;
}
.overlay.active{opacity:1;visibility:visible;}

.side-menu{
  position:fixed;top:0;left:0;bottom:0;width:280px;max-width:82vw;
  background:var(--bg-alt);border-right:1px solid var(--border);
  transform:translateX(-100%);transition:transform .28s ease;
  z-index:200;overflow-y:auto;padding-bottom:24px;
}
.side-menu.active{transform:translateX(0);}
.side-menu-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 18px;border-bottom:1px solid var(--border);
}
.side-menu-title{
  font-weight:900;font-size:19px;font-family:Georgia,'Times New Roman',serif;
  background:linear-gradient(135deg,#f43f5e 0%,#fbbf24 45%,#f43f5e 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.close-menu-btn{background:none;border:none;color:var(--text);font-size:26px;cursor:pointer;line-height:1;}
.side-menu-section-title{
  font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);
  padding:16px 18px 6px;
}
.side-menu-list{list-style:none;margin:0;padding:6px 0;}
.side-menu-list li a{
  display:flex;align-items:center;gap:12px;padding:11px 18px;
  color:var(--text);font-size:15px;transition:background .15s;
}
.side-menu-list li a:hover{background:rgba(255,255,255,.05);}
.menu-icon{width:18px;height:18px;border-radius:4px;background:var(--border);flex-shrink:0;display:inline-block;}

/* ---------- Sections ---------- */
.page-section{padding:32px 0 60px;}
.section-title{font-size:28px;margin:0 0 6px;font-weight:900;letter-spacing:-.01em;}
.section-subtitle{color:var(--text-muted);margin:0 0 24px;font-size:15px;}
.empty-state{color:var(--text-muted);padding:40px 0;text-align:center;}

/* ---------- Hero banner (featured post) ---------- */
.hero-banner{
  position:relative;display:block;border-radius:16px;overflow:hidden;
  margin:20px 0 32px;aspect-ratio:16/8;background:#11141c;
}
.hero-banner-img{width:100%;height:100%;object-fit:contain;background:#0a0c11;}
.hero-banner-overlay{
  position:absolute;left:0;right:0;bottom:0;padding:24px 20px 22px;
  background:linear-gradient(to top,rgba(0,0,0,.92) 10%,rgba(0,0,0,.4) 60%,transparent 100%);
}
.hero-banner-badge{
  display:inline-block;background:rgba(244,63,94,.9);color:#fff;font-size:12px;font-weight:700;
  padding:4px 12px;border-radius:999px;margin-bottom:10px;text-transform:uppercase;letter-spacing:.04em;
}
.hero-banner-title{
  font-size:26px;font-weight:900;color:#fff;margin:0;line-height:1.2;
  text-shadow:0 2px 10px rgba(0,0,0,.6);letter-spacing:-.01em;
}
@media(min-width:640px){ .hero-banner-title{font-size:34px;} }

/* ---------- Post grid / cards ---------- */
.post-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:20px;
}
@media(min-width:640px){ .post-grid{grid-template-columns:repeat(3,1fr);} }
@media(min-width:980px){ .post-grid{grid-template-columns:repeat(4,1fr);gap:20px;} }

.post-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;transition:transform .15s, border-color .15s;
}
.post-card:hover{transform:translateY(-3px);border-color:#3a3f52;}
.post-card-img-link{position:relative;display:block;aspect-ratio:16/10;overflow:hidden;background:#11141c;}
.post-card-img{width:100%;height:100%;object-fit:contain;}
.post-card-badge{
  position:absolute;top:8px;left:8px;background:rgba(99,102,241,.9);
  color:#fff;font-size:11px;padding:4px 9px;border-radius:999px;font-weight:600;
}
.post-card-body{padding:12px 14px 16px;display:flex;flex-direction:column;flex:1;}
.post-card-title{font-size:16px;margin:0 0 6px;line-height:1.3;font-weight:800;}
.post-card-title a:hover{color:var(--accent-hover);}
.post-card-excerpt{font-size:13px;color:var(--text-muted);margin:0 0 10px;flex:1;}
.post-card-meta{font-size:12px;color:var(--text-muted);margin-bottom:10px;}
.dot{margin:0 5px;}
.btn-readmore{
  font-size:13px;font-weight:600;color:var(--accent-hover);align-self:flex-start;
}

/* ---------- Post detail ---------- */
.breadcrumb{font-size:13px;color:var(--text-muted);margin:20px 0;}
.breadcrumb a:hover{color:var(--accent-hover);}
.post-detail-featured{width:100%;border-radius:var(--radius);margin-bottom:20px;max-height:460px;object-fit:cover;}
.post-detail-title{
  font-size:30px;line-height:1.25;margin:0 0 14px;font-weight:900;
  letter-spacing:-.01em;
}
.post-detail-meta{font-size:13px;color:var(--text-muted);margin-bottom:24px;}
.post-detail-content{font-size:16px;margin-bottom:24px;word-wrap:break-word;}
.post-detail-content img{border-radius:8px;margin:12px 0;}

.post-gallery{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:10px;margin:24px 0;
}
.gallery-item{border-radius:8px;overflow:hidden;aspect-ratio:1/1;background:var(--card);}
.gallery-item img{width:100%;height:100%;object-fit:cover;transition:transform .2s;}
.gallery-item:hover img{transform:scale(1.06);}

.embed-wrap{position:relative;padding-top:56.25%;margin:24px 0;border-radius:var(--radius);overflow:hidden;background:#000;}
.embed-wrap iframe{position:absolute;inset:0;width:100%;height:100%;border:0;}

.social-link-line{margin:10px 0;}
.social-link-line a{color:var(--accent-hover);font-weight:600;}

.post-buttons{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0;}
.post-action-btn{
  background:var(--accent);color:#fff;padding:11px 20px;border-radius:8px;
  font-weight:600;font-size:14px;transition:background .15s;
}
.post-action-btn:hover{background:var(--accent-hover);}

.post-tags{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0;}
.tag-chip{background:var(--card);border:1px solid var(--border);padding:6px 12px;border-radius:999px;font-size:13px;color:var(--text-muted);}
.tag-chip:hover{color:var(--text);border-color:var(--accent);}

/* ---------- Post detail meta chips ---------- */
.post-detail-meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px;}
.meta-chip{
  font-size:12.5px;padding:5px 12px;border-radius:999px;background:var(--card);
  border:1px solid var(--border);color:var(--text-muted);
}
.meta-chip-date{background:rgba(99,102,241,.15);border-color:transparent;color:#a5a8f5;font-weight:600;}
.meta-chip-category{background:var(--card);color:var(--text);font-weight:600;}
.meta-chip-category:hover{border-color:var(--accent);}
.meta-chip-tag:hover{color:var(--text);border-color:var(--accent);}
.meta-chip-views{margin-left:auto;}

.section-heading-inline{font-size:18px;margin:28px 0 12px;}

.post-buttons-top{margin:0 0 22px;}
.post-action-btn-channel{background:#16a34a;}
.post-action-btn-channel:hover{background:#22c55e;}

/* ---------- Reactions ---------- */
.reactions-section{text-align:center;margin:36px 0;padding:28px 16px;border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.reactions-title{font-size:22px;margin:0 0 6px;}
.reactions-count{color:var(--accent-hover);font-weight:600;margin:0 0 20px;font-size:14px;}
.reactions-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;}
.reaction-btn{
  display:flex;flex-direction:column;align-items:center;gap:4px;
  background:var(--card);border:1px solid var(--border);border-radius:12px;
  padding:14px 18px;min-width:88px;cursor:pointer;color:var(--text);transition:.15s;
}
.reaction-btn:hover{border-color:var(--accent);transform:translateY(-2px);}
.reaction-btn.active{border-color:var(--accent);background:rgba(99,102,241,.15);}
.reaction-emoji{font-size:26px;}
.reaction-label{font-size:12.5px;font-weight:600;}
.reaction-count{font-size:14px;font-weight:700;color:var(--accent-hover);}

/* ---------- Comments ---------- */
.comments-section{margin-top:40px;border-top:1px solid var(--border);padding-top:28px;}
.comment-form{display:flex;flex-direction:column;gap:10px;margin-bottom:28px;}
.form-row{display:flex;gap:10px;flex-wrap:wrap;}
.form-row input{flex:1;min-width:180px;}
.comment-form input, .comment-form textarea{
  background:var(--card);border:1px solid var(--border);border-radius:8px;
  padding:11px 13px;color:var(--text);font-size:14px;font-family:inherit;
}
.comment-form textarea{min-height:100px;resize:vertical;}
.form-honeypot{position:absolute;left:-9999px;opacity:0;height:0;}
.form-message{background:var(--card);border:1px solid var(--accent);padding:10px 14px;border-radius:8px;font-size:14px;margin-bottom:14px;}
.btn-primary{
  background:var(--accent);color:#fff;border:none;padding:12px 22px;border-radius:8px;
  font-size:14px;font-weight:600;cursor:pointer;align-self:flex-start;
}
.btn-primary:hover{background:var(--accent-hover);}
.comment-item{border-bottom:1px solid var(--border);padding:14px 0;}
.comment-author{font-weight:600;font-size:14px;}
.comment-date{font-size:12px;color:var(--text-muted);margin-bottom:6px;}
.comment-text{font-size:14px;margin:0;}

.related-posts{margin-top:44px;}
.related-posts h2{font-size:20px;}

/* ---------- Pagination ---------- */
.pagination{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin-top:34px;}
.page-link{
  background:var(--card);border:1px solid var(--border);padding:8px 14px;
  border-radius:8px;font-size:14px;
}
.page-link.active{background:var(--accent);border-color:var(--accent);color:#fff;}
.page-link:hover{border-color:var(--accent);}
.page-dots{padding:8px 4px;color:var(--text-muted);}

/* ---------- Footer ---------- */
.site-footer{background:var(--bg-alt);border-top:1px solid var(--border);margin-top:40px;padding:40px 0 0;}
.footer-inner{
  max-width:1180px;margin:0 auto;padding:0 16px;
  display:grid;grid-template-columns:1fr;gap:28px;
}
@media(min-width:720px){ .footer-inner{grid-template-columns:2fr 1fr 1fr;} }
.footer-col h3{
  margin:0 0 8px;font-size:20px;font-weight:900;font-family:Georgia,'Times New Roman',serif;
  background:linear-gradient(135deg,#f43f5e 0%,#fbbf24 45%,#f43f5e 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.footer-col h4{margin:0 0 10px;font-size:14px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em;}
.footer-col p{color:var(--text-muted);font-size:14px;}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col ul li{margin-bottom:8px;font-size:14px;}
.footer-col ul li a:hover{color:var(--accent-hover);}
.footer-social a{margin-right:14px;font-size:13px;color:var(--text-muted);}
.footer-social a:hover{color:var(--accent-hover);}
.footer-bottom{
  text-align:center;font-size:13px;color:var(--text-muted);
  border-top:1px solid var(--border);margin-top:30px;padding:18px 0;
}

/* ---------- Error pages ---------- */
.error-page{padding:80px 0;}
.error-code{font-size:80px;margin:0;color:var(--accent);}

/* ---------- Lightbox ---------- */
.lightbox-overlay{
  position:fixed;inset:0;background:rgba(0,0,0,.9);z-index:300;
  display:none;align-items:center;justify-content:center;padding:20px;
}
.lightbox-overlay.active{display:flex;}
.lightbox-overlay img{max-width:100%;max-height:90vh;border-radius:8px;}
.lightbox-close{position:absolute;top:20px;right:24px;font-size:32px;color:#fff;cursor:pointer;background:none;border:none;}
.lightbox-nav{position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,.1);border:none;color:#fff;font-size:24px;width:44px;height:44px;border-radius:50%;cursor:pointer;}
.lightbox-prev{left:16px;}
.lightbox-next{right:16px;}

@media(max-width:480px){
  .site-name{font-size:16px;}
  .header-search{max-width:none;padding:2px 4px 2px 12px;}
  .header-search input{font-size:13px;}
}