/* UAPs theme — editorial dark, cold starlight. */
@layer reset, base, layout, components, utils;

@layer reset {
  *,*::before,*::after{box-sizing:border-box}
  html,body{margin:0;padding:0}
  img,video,svg{max-width:100%;height:auto;display:block}
  button,input,select,textarea{font:inherit;color:inherit}
  a{color:inherit}
}

:root {
  --bg: #07101c;
  --bg-deep: #030509;
  --bg-elev: #0d1826;
  --ink: #eef3fb;
  --ink-dim: #aab4c6;
  --ink-mute: #6b7a92;
  --accent: #4a9eff;
  --accent-dim: #2a6cbf;
  --amber: #e8b14a;
  --amber-dim: #a97d2a;
  --line: #1a2434;
  --line-strong: #2a3850;
  --danger: #ef5350;
  --ok: #66bb6a;
  --radius: 6px;
  --radius-lg: 12px;
  --maxw: 1200px;
  --readw: 720px;
  --serif: 'Fraunces', Georgia, 'Times New Roman', serif;
  --sans: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --shadow: 0 1px 3px rgba(0,0,0,.3), 0 4px 20px rgba(0,0,0,.2);
  --t-fast: 120ms;
  --t: 220ms;
  color-scheme: dark;
}

html[data-theme="light"] {
  --bg: #f6f3ec;
  --bg-deep: #eceae2;
  --bg-elev: #ffffff;
  --ink: #0e1626;
  --ink-dim: #44546c;
  --ink-mute: #6b7a92;
  --accent: #1e5fb8;
  --amber: #a97d2a;
  --line: #ddd6c6;
  --line-strong: #c3bba7;
  color-scheme: light;
}

@layer base {
  html{scroll-behavior:smooth}
  body{
    background:var(--bg);
    color:var(--ink);
    font-family:var(--sans);
    font-size:17px;
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
    min-height:100vh;
    display:flex;flex-direction:column;
  }
  h1,h2,h3,h4,h5{font-family:var(--serif);font-weight:600;line-height:1.2;margin:0 0 .5em;letter-spacing:-.01em}
  h1{font-size:clamp(2.1rem, 4vw, 3.2rem)}
  h2{font-size:clamp(1.6rem, 2.8vw, 2.2rem)}
  h3{font-size:1.35rem}
  h4{font-size:1.1rem}
  p{margin:0 0 1em}
  a{color:var(--accent);text-underline-offset:2px;text-decoration-thickness:1px;transition:color var(--t-fast)}
  a:hover{color:var(--ink)}
  hr{border:0;border-top:1px solid var(--line);margin:2em 0}
  blockquote{margin:1.5em 0;padding:.5em 1.25em;border-left:3px solid var(--accent);color:var(--ink-dim);font-family:var(--serif);font-style:italic}
  code,pre,kbd{font-family:'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;font-size:.9em}
  pre{background:var(--bg-deep);padding:1em;border-radius:var(--radius);overflow:auto;border:1px solid var(--line)}
  code{background:var(--bg-deep);padding:.1em .35em;border-radius:3px}
  ::selection{background:var(--accent);color:#fff}
  :focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:3px}
}

@layer layout {
  .wrap{max-width:var(--maxw);margin:0 auto;padding:0 1.25rem;width:100%}
  .read{max-width:var(--readw);margin:0 auto}
  main{flex:1;padding:2rem 0 4rem}
  .section{padding:3rem 0;border-top:1px solid var(--line)}
  .grid{display:grid;gap:1.5rem}
  .grid-cards{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
  .grid-2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
  .flex{display:flex;gap:1rem;align-items:center;flex-wrap:wrap}
}

@layer components {
  /* Header */
  .site-header{
    position:sticky;top:0;z-index:50;
    background:color-mix(in oklab, var(--bg) 85%, transparent);
    backdrop-filter:saturate(1.3) blur(10px);
    -webkit-backdrop-filter:saturate(1.3) blur(10px);
    border-bottom:1px solid var(--line);
  }
  .site-header .wrap{display:flex;align-items:center;justify-content:space-between;padding:.9rem 1.25rem;gap:1rem}
  .site-brand{display:flex;align-items:center;gap:.6rem;text-decoration:none;color:var(--ink);font-family:var(--serif);font-weight:600;font-size:1.25rem}
  .site-brand .mark{width:28px;height:28px;border-radius:50%;background:radial-gradient(circle at 30% 30%, #9ad0ff, var(--accent) 60%, #0a2140 100%);box-shadow:0 0 24px -4px var(--accent)}
  .site-brand small{color:var(--ink-mute);font-weight:400;font-size:.7em;letter-spacing:.08em;text-transform:uppercase;font-family:var(--sans)}

  .nav-primary{display:flex;gap:1.5rem;align-items:center}
  .nav-primary a{text-decoration:none;color:var(--ink-dim);font-weight:500;font-size:.95rem;transition:color var(--t-fast)}
  .nav-primary a:hover,.nav-primary a[aria-current]{color:var(--ink)}
  .nav-actions{display:flex;gap:.5rem;align-items:center}

  /* Theme toggle + menu button */
  .btn-icon{background:transparent;border:1px solid var(--line);width:38px;height:38px;border-radius:var(--radius);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;color:var(--ink-dim);transition:all var(--t-fast)}
  .btn-icon:hover{color:var(--ink);border-color:var(--line-strong)}
  .btn-menu{display:none}
  @media (max-width: 820px){
    .nav-primary{display:none}
    .btn-menu{display:inline-flex}
  }

  /* Slide-in mobile menu */
  .nav-mobile{position:fixed;inset:0 0 0 auto;width:min(80vw,320px);background:var(--bg-deep);transform:translateX(100%);transition:transform var(--t);z-index:100;border-left:1px solid var(--line);padding:5rem 1.5rem 2rem;display:flex;flex-direction:column;gap:1rem}
  .nav-mobile.open{transform:translateX(0)}
  .nav-mobile a{display:block;padding:.75rem 0;text-decoration:none;color:var(--ink);border-bottom:1px solid var(--line);font-size:1.05rem}
  .nav-mobile .close{position:absolute;top:1rem;right:1rem}
  .nav-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.6);opacity:0;pointer-events:none;transition:opacity var(--t);z-index:90}
  .nav-backdrop.open{opacity:1;pointer-events:auto}

  /* Buttons */
  .btn{display:inline-flex;align-items:center;gap:.4em;padding:.65em 1.25em;border-radius:var(--radius);border:1px solid var(--line-strong);background:var(--bg-elev);color:var(--ink);text-decoration:none;font-weight:500;cursor:pointer;transition:all var(--t-fast);font-size:.95rem}
  .btn:hover{border-color:var(--accent);color:var(--ink);transform:translateY(-1px)}
  .btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}
  .btn-primary:hover{background:var(--accent-dim);color:#fff}
  .btn-ghost{background:transparent}
  .btn-danger{background:var(--danger);border-color:var(--danger);color:#fff}
  .btn-sm{padding:.4em .85em;font-size:.85rem}

  /* Forms */
  .form-field{display:block;margin-bottom:1.1rem}
  .form-field label{display:block;margin-bottom:.3rem;font-size:.9rem;color:var(--ink-dim);font-weight:500}
  .form-field input, .form-field select, .form-field textarea{
    display:block;width:100%;padding:.65em .85em;
    background:var(--bg-deep);border:1px solid var(--line);border-radius:var(--radius);color:var(--ink);
    transition:border-color var(--t-fast);
  }
  .form-field input:focus,.form-field select:focus,.form-field textarea:focus{outline:none;border-color:var(--accent)}
  .form-field textarea{min-height:160px;resize:vertical;font-family:inherit;line-height:1.5}
  .form-field .help{margin-top:.3rem;color:var(--ink-mute);font-size:.85rem}
  .form-row{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}

  /* Hero (front page) */
  .hero{padding:5rem 0 3rem;position:relative;overflow:hidden}
  .hero::before{content:"";position:absolute;inset:0;background:
    radial-gradient(ellipse at 20% 10%, rgba(74,158,255,.15), transparent 50%),
    radial-gradient(ellipse at 80% 60%, rgba(232,177,74,.08), transparent 55%),
    url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="800" height="600"><g fill="%23ffffff" opacity=".4"><circle cx="40" cy="60" r=".5"/><circle cx="180" cy="120" r=".7"/><circle cx="320" cy="80" r=".4"/><circle cx="500" cy="200" r=".6"/><circle cx="640" cy="140" r=".8"/><circle cx="760" cy="300" r=".5"/><circle cx="100" cy="320" r=".5"/><circle cx="260" cy="460" r=".6"/><circle cx="420" cy="520" r=".4"/><circle cx="600" cy="440" r=".7"/><circle cx="720" cy="500" r=".5"/><circle cx="80" cy="520" r=".4"/><circle cx="200" cy="260" r=".3"/><circle cx="380" cy="340" r=".3"/><circle cx="550" cy="330" r=".3"/></g></svg>');
    pointer-events:none;z-index:0;
  }
  .hero > *{position:relative;z-index:1}
  .hero h1{max-width:900px;font-size:clamp(2.4rem, 5vw, 4.2rem);line-height:1.05;margin-bottom:.6em}
  .hero .lede{max-width:720px;font-size:clamp(1.1rem, 1.5vw, 1.3rem);color:var(--ink-dim);margin-bottom:2em}

  /* Cards */
  .card{background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;transition:border-color var(--t-fast), transform var(--t-fast);display:flex;flex-direction:column}
  .card:hover{border-color:var(--line-strong);transform:translateY(-2px)}
  .card .card-media{aspect-ratio:16/10;background:var(--bg-deep);overflow:hidden}
  .card .card-media img{width:100%;height:100%;object-fit:cover}
  .card .card-body{padding:1rem 1.2rem 1.3rem;flex:1;display:flex;flex-direction:column}
  .card h3{font-size:1.15rem;margin:0 0 .4rem}
  .card h3 a{text-decoration:none;color:var(--ink)}
  .card h3 a:hover{color:var(--accent)}
  .card .meta{font-size:.8rem;color:var(--ink-mute);text-transform:uppercase;letter-spacing:.05em;margin-bottom:.5rem}
  .card .excerpt{color:var(--ink-dim);font-size:.95rem;flex:1}

  /* Badges */
  .badge{display:inline-flex;align-items:center;gap:.3em;padding:.2em .6em;font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;border-radius:3px;background:var(--line);color:var(--ink-dim);font-weight:500}
  .badge-amber{background:color-mix(in oklab, var(--amber) 25%, var(--bg-elev));color:var(--amber);border:1px solid var(--amber-dim)}
  .badge-accent{background:color-mix(in oklab, var(--accent) 25%, var(--bg-elev));color:var(--accent)}
  .badge-ok{background:color-mix(in oklab, var(--ok) 20%, var(--bg-elev));color:var(--ok)}
  .badge-warn{background:color-mix(in oklab, var(--amber) 20%, var(--bg-elev));color:var(--amber)}

  /* Alerts */
  .alert{padding:1em 1.2em;border-radius:var(--radius);background:var(--bg-elev);border-left:3px solid var(--accent);margin:1em 0}
  .alert-error{border-color:var(--danger)}
  .alert-ok{border-color:var(--ok)}

  /* Article */
  .article-header{padding:3rem 0 2rem;border-bottom:1px solid var(--line);margin-bottom:2rem}
  .article-header .meta{color:var(--ink-mute);font-size:.9rem;margin-bottom:.5rem;text-transform:uppercase;letter-spacing:.05em}
  .article-header h1{margin-bottom:.5em}
  .article-body{font-size:1.08rem;line-height:1.75}
  .article-body h2{margin-top:2em;font-size:1.75rem}
  .article-body h3{margin-top:1.5em}
  .article-body img{border-radius:var(--radius);margin:1.5em 0}
  .article-body figure{margin:2em 0}
  .article-body figcaption{font-size:.85rem;color:var(--ink-mute);text-align:center;margin-top:.4em}
  .article-body ul,.article-body ol{padding-left:1.5em}
  .article-body li{margin:.3em 0}

  /* Map */
  .uaps-map{height:520px;border-radius:var(--radius);border:1px solid var(--line);overflow:hidden;background:var(--bg-deep)}
  .uaps-map-small{height:280px}
  .leaflet-container{background:#030509 !important}
  .leaflet-popup-content-wrapper{background:var(--bg-elev);color:var(--ink);border-radius:var(--radius)}
  .leaflet-popup-tip{background:var(--bg-elev)}
  .leaflet-popup-content a{color:var(--accent)}
  .leaflet-tile{filter:brightness(.6) contrast(1.15) hue-rotate(190deg)}
  html[data-theme="light"] .leaflet-tile{filter:none}

  /* Footer */
  .site-footer{border-top:1px solid var(--line);background:var(--bg-deep);padding:3rem 0 2rem;margin-top:4rem;color:var(--ink-dim);font-size:.9rem}
  .site-footer .cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:2rem;margin-bottom:2rem}
  .site-footer h4{color:var(--ink);font-size:1rem;margin-bottom:.5em}
  .site-footer a{text-decoration:none;color:var(--ink-dim)}
  .site-footer a:hover{color:var(--ink)}
  .site-footer ul{list-style:none;padding:0;margin:0}
  .site-footer li{margin:.3em 0}
  .site-footer .legal{border-top:1px solid var(--line);padding-top:1.5rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:1rem;color:var(--ink-mute);font-size:.8rem}

  /* Sightings-specific */
  .sighting-meta{background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--radius);padding:1rem 1.2rem;margin:1.5rem 0;display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:.8rem}
  .sighting-meta dt{color:var(--ink-mute);font-size:.75rem;text-transform:uppercase;letter-spacing:.05em;margin-bottom:.2em}
  .sighting-meta dd{margin:0;color:var(--ink);font-weight:500}
  .credibility{display:inline-flex;gap:.1em;color:var(--amber)}

  /* Forum */
  .forum-cats{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:1rem}
  .forum-cat{background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--radius-lg);padding:1.2rem 1.4rem;display:flex;justify-content:space-between;align-items:center;gap:1rem;transition:border-color var(--t-fast)}
  .forum-cat:hover{border-color:var(--line-strong)}
  .forum-cat a{text-decoration:none;color:var(--ink)}
  .forum-cat h3{margin:0 0 .2em;font-size:1.15rem}
  .forum-cat .desc{color:var(--ink-dim);font-size:.9rem;margin:0}
  .forum-cat .stats{text-align:right;color:var(--ink-mute);font-size:.8rem;min-width:120px}

  .forum-threads{list-style:none;padding:0;margin:0;border-top:1px solid var(--line)}
  .forum-thread{display:flex;justify-content:space-between;align-items:center;padding:1rem 0;border-bottom:1px solid var(--line);gap:1rem}
  .forum-thread h3{margin:0;font-size:1.05rem;font-family:var(--sans);font-weight:500}
  .forum-thread h3 a{text-decoration:none;color:var(--ink)}
  .forum-thread h3 a:hover{color:var(--accent)}
  .forum-thread .meta{font-size:.8rem;color:var(--ink-mute);margin-top:.2em}
  .forum-thread .stats{text-align:right;font-size:.8rem;color:var(--ink-mute);min-width:120px}
  .forum-thread .pin,.forum-thread .lock{color:var(--amber);margin-right:.4em}

  .forum-post{background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--radius);padding:1.2rem;margin-bottom:1rem;display:grid;grid-template-columns:140px 1fr;gap:1.5rem}
  .forum-post .author{text-align:center;color:var(--ink-dim);font-size:.85rem}
  .forum-post .author img{width:72px;height:72px;border-radius:50%;margin:0 auto .5em;background:var(--bg-deep)}
  .forum-post .author .name{color:var(--ink);font-weight:500;display:block;margin-bottom:.2em}
  .forum-post .body{min-width:0}
  .forum-post .body-content{line-height:1.6}
  .forum-post .post-meta{font-size:.78rem;color:var(--ink-mute);margin-top:1em;padding-top:.6em;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:1rem}
  @media (max-width:640px){
    .forum-post{grid-template-columns:1fr;gap:.5rem}
    .forum-post .author{display:flex;align-items:center;gap:.6em;text-align:left}
    .forum-post .author img{width:40px;height:40px;margin:0}
  }

  /* Vote widget */
  .vote{display:inline-flex;align-items:center;gap:.3em;background:var(--bg-deep);border:1px solid var(--line);border-radius:999px;padding:.2em .6em;font-size:.85rem;color:var(--ink-dim)}
  .vote button{background:transparent;border:0;cursor:pointer;color:inherit;padding:.1em .3em;transition:color var(--t-fast)}
  .vote button:hover{color:var(--accent)}
  .vote button.active{color:var(--accent)}
  .vote button.down.active{color:var(--danger)}

  /* Comments */
  .comments{margin-top:3rem}
  .comment{border-left:2px solid var(--line);padding:.6rem 0 .6rem 1rem;margin-bottom:1rem}
  .comment .meta{font-size:.8rem;color:var(--ink-mute);margin-bottom:.3em}
  .comment .author{color:var(--ink);font-weight:500}
  .comment .reply{font-size:.8rem;color:var(--ink-mute);margin-left:.5em;cursor:pointer;background:transparent;border:0}
  .comment-replies{margin-left:1.5rem;margin-top:.6rem}

  /* Video grid */
  .video-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem}
  .video-item{background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden}
  .video-item .poster{position:relative;aspect-ratio:16/9;background:var(--bg-deep);cursor:pointer;overflow:hidden}
  .video-item .poster img{width:100%;height:100%;object-fit:cover;transition:transform var(--t)}
  .video-item .poster:hover img{transform:scale(1.03)}
  .video-item .poster .play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:#fff;font-size:3rem;text-shadow:0 2px 8px rgba(0,0,0,.6);pointer-events:none}
  .video-item .body{padding:1rem 1.2rem}
  .video-item h3{margin:0 0 .3em;font-size:1.05rem;font-family:var(--sans);font-weight:600}

  /* Pagination */
  .pagination{display:flex;gap:.5rem;justify-content:center;margin:2rem 0;flex-wrap:wrap}
  .pagination a, .pagination span{padding:.5em .9em;border:1px solid var(--line);border-radius:var(--radius);text-decoration:none;color:var(--ink-dim);min-width:40px;text-align:center}
  .pagination a:hover{border-color:var(--accent);color:var(--ink)}
  .pagination .current{background:var(--accent);color:#fff;border-color:var(--accent)}

  /* Admin panel */
  .admin-wrap{display:grid;grid-template-columns:220px 1fr;min-height:100vh}
  .admin-side{background:var(--bg-deep);border-right:1px solid var(--line);padding:1.5rem 1rem}
  .admin-side h2{font-size:1rem;color:var(--ink-mute);text-transform:uppercase;letter-spacing:.08em;margin-bottom:1em}
  .admin-side a{display:block;padding:.6em .8em;border-radius:var(--radius);text-decoration:none;color:var(--ink-dim);margin-bottom:.2em}
  .admin-side a:hover,.admin-side a.active{background:var(--bg-elev);color:var(--ink)}
  .admin-main{padding:2rem 2.5rem}
  @media (max-width:720px){
    .admin-wrap{grid-template-columns:1fr}
    .admin-side{border-right:0;border-bottom:1px solid var(--line)}
  }
  .admin-table{width:100%;border-collapse:collapse;margin:1rem 0}
  .admin-table th,.admin-table td{text-align:left;padding:.7em .9em;border-bottom:1px solid var(--line)}
  .admin-table th{color:var(--ink-mute);text-transform:uppercase;font-size:.72rem;letter-spacing:.06em;font-weight:600}
  .admin-table tr:hover td{background:var(--bg-elev)}

  /* Stats */
  .stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:1rem;margin:1.5rem 0}
  .stat{background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--radius-lg);padding:1.2rem}
  .stat .num{font-family:var(--serif);font-size:2.4rem;color:var(--accent);font-weight:600;line-height:1}
  .stat .label{color:var(--ink-mute);font-size:.85rem;margin-top:.3em;text-transform:uppercase;letter-spacing:.05em}

  /* Reactivity: hide element */
  .u-hidden{display:none !important}
  .u-sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
}

@layer utils {
  .text-dim{color:var(--ink-dim)}
  .text-mute{color:var(--ink-mute)}
  .text-accent{color:var(--accent)}
  .text-amber{color:var(--amber)}
  .text-center{text-align:center}
  .mt-0{margin-top:0}
  .mt-1{margin-top:.5rem}
  .mt-2{margin-top:1rem}
  .mt-3{margin-top:1.5rem}
  .mt-4{margin-top:2rem}
  .mb-0{margin-bottom:0}
  .mb-1{margin-bottom:.5rem}
  .mb-2{margin-bottom:1rem}
  .mb-3{margin-bottom:1.5rem}
  .mb-4{margin-bottom:2rem}
  .gap-sm{gap:.5rem}
  .small{font-size:.85rem}
}