:root{--brand:#0d6b5e;--brand-light:#0f9983;--accent:#f59e0b;--accent2:#10b981;--bg:#f0f5f4;--card:#fff;--text:#1b1f24;--muted:#64748b;--border:#e2e8f0;--radius:12px;
      --gradient:linear-gradient(135deg,#0d6b5e 0%,#0f9983 40%,#2dd4a8 100%)}
*{box-sizing:border-box}
body{font-family:'Segoe UI',system-ui,-apple-system,Roboto,sans-serif;margin:0;background:var(--bg);color:var(--text);line-height:1.6}

/* ---- header / nav ---- */
header{background:var(--gradient);color:#fff;padding:0 24px;display:flex;align-items:center;gap:0;box-shadow:0 4px 20px rgba(0,0,0,.15)}
.brand{font-size:22px;font-weight:800;letter-spacing:-.5px;padding:18px 0;margin-right:40px;white-space:nowrap;text-decoration:none;color:#fff}
.brand:hover{opacity:.85}
.brand-icon{font-size:24px;margin-right:6px;vertical-align:middle}
nav{display:flex;gap:2px;flex-wrap:wrap}
nav a{color:rgba(255,255,255,.75);text-decoration:none;font-size:13.5px;font-weight:600;padding:10px 16px;border-radius:8px;transition:all .2s;text-transform:uppercase;letter-spacing:.5px}
nav a:hover,nav a[aria-current]{background:rgba(255,255,255,.15);color:#fff}

/* ---- hero banner ---- */
.hero{background:var(--gradient);color:#fff;margin:-28px -24px 28px;padding:32px 32px 28px;border-radius:0 0 20px 20px;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:-50%;right:-20%;width:60%;height:200%;background:radial-gradient(circle,rgba(255,255,255,.06) 0%,transparent 70%);pointer-events:none}
.hero h1{font-size:28px;font-weight:800;margin:0 0 8px;position:relative}
.hero .subtitle{color:rgba(255,255,255,.8);font-size:14px;margin:0;position:relative}
.hero .hero-stats{display:flex;gap:24px;margin-top:16px;position:relative}
.hero .hero-stat{text-align:center}
.hero .hero-stat .num{font-size:28px;font-weight:800}
.hero .hero-stat .lbl{font-size:11px;text-transform:uppercase;letter-spacing:1px;opacity:.75}

/* ---- main ---- */
main{max-width:1080px;margin:0 auto;padding:28px 24px 48px}
h1{font-size:24px;font-weight:700;margin:0 0 4px}
.subtitle{color:var(--muted);font-size:14px;margin:0 0 24px}
h2{font-size:18px;margin-top:32px;color:var(--brand);border-bottom:2px solid var(--border);padding-bottom:8px}

/* ---- cards ---- */
article.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:18px 22px;margin:14px 0;
     transition:box-shadow .2s,transform .15s;border-left:3px solid transparent}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:18px 22px;margin:14px 0;
     transition:box-shadow .2s,transform .15s}
.card:hover{box-shadow:0 8px 24px rgba(0,0,0,.08);transform:translateY(-2px);border-left-color:var(--brand-light)}
a.t{color:var(--brand);text-decoration:none;font-weight:700;font-size:15.5px;line-height:1.4}
a.t:hover{color:var(--brand-light);text-decoration:underline}
a.t::before{content:'🔗 ';font-size:12px}
span.t{font-weight:700;font-size:15.5px;line-height:1.4;color:var(--text)}
span.t::before{content:'📄 ';font-size:12px}
.meta{color:var(--muted);font-size:12.5px;margin:6px 0 8px;display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.meta-dot::before{content:'·';margin:0 2px}
.url-display{font-size:12px;margin:2px 0 4px}
.url-link{color:var(--brand-light);text-decoration:none;opacity:0.8}
.url-link:hover{opacity:1;text-decoration:underline}
.url-link::before{content:'🔗 ';font-size:11px}
.summary{font-size:14px;color:#475569;margin:8px 0;line-height:1.65}
.summary ul.bullet-summary{margin:6px 0;padding-left:20px}
.summary ul.bullet-summary li{margin:3px 0;line-height:1.5}
.expand-toggle{color:var(--brand-light);cursor:pointer;font-size:13px;font-weight:600;text-decoration:none;border:none;background:none;padding:0;font-family:inherit}
.expand-toggle:hover{text-decoration:underline}
.dupe{opacity:.5;border-left:3px solid #ccc}

/* ---- tags / badges ---- */
.tags{display:flex;flex-wrap:wrap;gap:5px;margin-top:10px}
.tag{display:inline-block;border-radius:20px;padding:3px 12px;font-size:11.5px;font-weight:600;text-decoration:none;transition:all .15s}
.tag:hover{transform:scale(1.05);box-shadow:0 2px 6px rgba(0,0,0,.1)}
.tag-label{background:#eef3f8;color:#2c5282}
.tag-entity{background:linear-gradient(135deg,#fef3c7,#fde68a);color:#92400e;border:1px solid #fcd34d}
.tag-topic{background:linear-gradient(135deg,#e0e7ff,#c7d2fe);color:#3730a3;border:1px solid #a5b4fc}
.tag-hot{background:linear-gradient(135deg,#fee2e2,#fecaca);color:#991b1b;border:1px solid #fca5a5}

/* ---- grid cards for index pages ---- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;margin-top:16px}
.grid .card{margin:0;text-align:center;border:1px solid var(--border);transition:all .2s}
.grid .card:hover{border-color:var(--brand-light);box-shadow:0 8px 24px rgba(0,0,0,.08)}
.card .count{font-size:28px;font-weight:800;color:var(--brand-light);background:linear-gradient(135deg,var(--brand),var(--brand-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.card .label{font-size:12px;color:var(--muted);margin-top:2px;text-transform:uppercase;letter-spacing:.5px}
a.entity-link{display:block;text-decoration:none;color:var(--text);padding:16px 20px}
a.entity-link:hover{border-color:var(--brand-light);box-shadow:0 8px 24px rgba(0,0,0,.08)}
a.entity-link strong{font-size:15px;display:block;margin-bottom:4px}
.entity-count{font-size:13px;color:var(--muted);display:block}
.ev-panel{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px;margin-top:16px}
.ev-panel h2{grid-column:1/-1;margin-bottom:0}
.ev-panel .letter-nav{grid-column:1/-1}

/* ---- letter nav ---- */
.letter-nav{display:flex;flex-wrap:wrap;gap:4px;margin:16px 0;padding:14px 18px;background:var(--card);border-radius:var(--radius);border:1px solid var(--border);box-shadow:0 1px 4px rgba(0,0,0,.04)}
.letter-nav a{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:8px;font-weight:700;font-size:13px;
              color:var(--brand-light);text-decoration:none;transition:all .15s}
.letter-nav a:hover:not(.disabled){background:var(--brand-light);color:#fff;box-shadow:0 2px 8px rgba(26,115,232,.3)}
.letter-nav a.disabled{color:#cbd5e1;pointer-events:none;cursor:default}

/* ---- search ---- */
.search-box{position:relative;margin-bottom:20px}
.search-box input{width:100%;padding:16px 20px 16px 48px;font-size:16px;border:2px solid var(--border);border-radius:var(--radius);
                   transition:all .2s;outline:none;background:var(--card);box-shadow:0 2px 8px rgba(0,0,0,.04)}
.search-box input:focus{border-color:var(--brand-light);box-shadow:0 4px 16px rgba(26,115,232,.15)}
.search-icon{position:absolute;left:16px;top:50%;transform:translateY(-50%);font-size:20px;opacity:.4;pointer-events:none}
.search-clear{position:absolute;right:14px;top:50%;transform:translateY(-50%);font-size:20px;cursor:pointer;border:none;background:none;color:var(--muted);display:none}
.search-clear:hover{color:var(--text)}
.search-count{color:var(--muted);font-size:13px;margin-bottom:12px}
.search-help{color:var(--muted);font-size:13px;margin:8px 0 16px;line-height:1.6}
.search-help code{background:#e2e8f0;padding:1px 6px;border-radius:4px;font-size:12px}
mark{background:#fef08a;border-radius:3px;padding:0 2px}
.top-searches{margin:20px 0 28px}
.top-searches h2{font-size:16px;border:none;margin-top:8px;padding-bottom:0}
.top-searches .ts-grid{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.top-searches .ts-btn{padding:8px 16px;background:var(--card);border:1px solid var(--border);border-radius:20px;font-size:13px;font-weight:500;
                      color:var(--brand);cursor:pointer;transition:all .15s;text-decoration:none}
.top-searches .ts-btn:hover{background:var(--brand-light);color:#fff;border-color:var(--brand-light);box-shadow:0 2px 8px rgba(26,115,232,.2)}

/* ---- event cards ---- */
.event-card{background:linear-gradient(135deg,#f0f9ff,#e0f2fe);border:1px solid #bae6fd;border-radius:var(--radius);padding:20px 24px;margin:14px 0}
.event-card h3{margin:0 0 6px;font-size:17px;color:var(--brand)}
.event-card h3 a{color:var(--brand);text-decoration:none}
.event-card h3 a:hover{color:var(--brand-light);text-decoration:underline}
.event-card .event-meta{color:var(--muted);font-size:13px;margin-bottom:8px}
.event-card .event-summary{font-size:14px;color:#475569;line-height:1.6}
.event-card .event-links{margin-top:10px;display:flex;flex-wrap:wrap;gap:6px}
.event-card .event-links a{font-size:12px;color:var(--brand-light);text-decoration:none;padding:3px 10px;border:1px solid #bae6fd;border-radius:12px}
.event-card .event-links a:hover{background:var(--brand-light);color:#fff}
.event-group{margin:20px 0 28px}
.event-group h2{display:flex;align-items:center;gap:10px}
.event-count{font-size:12px;font-weight:500;color:var(--muted);background:#f1f5f9;padding:2px 10px;border-radius:12px}
.event-tabs{display:flex;gap:4px;margin-bottom:16px;border-bottom:2px solid var(--border);padding-bottom:0}
.event-tab{padding:10px 24px;font-size:14px;font-weight:600;border:none;background:none;cursor:pointer;color:var(--muted);
           border-bottom:3px solid transparent;margin-bottom:-2px;transition:all .15s}
.event-tab:hover{color:var(--brand)}
.event-tab.active{color:var(--brand-light);border-bottom-color:var(--brand-light)}
.upcoming-section{margin-bottom:28px;padding:24px;background:linear-gradient(135deg,#eff6ff,#dbeafe);border:1px solid #93c5fd;border-radius:var(--radius)}
.upcoming-section h2{margin:0 0 16px;font-size:18px;color:var(--brand);border:none;padding:0}
.upcoming-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px}
.upcoming-card{background:#fff;border:1px solid #bfdbfe;border-radius:var(--radius);padding:16px 20px;transition:all .2s}
.upcoming-card:hover{box-shadow:0 4px 16px rgba(37,99,235,.12);border-color:var(--brand-light)}
.upcoming-card h3{margin:0 0 8px;font-size:15px}
.upcoming-card h3 a{color:var(--brand);text-decoration:none}
.upcoming-card h3 a:hover{color:var(--brand-light);text-decoration:underline}
.upcoming-date{font-size:12px;font-weight:600;color:var(--brand-light);text-transform:uppercase;letter-spacing:.5px;margin-bottom:6px}
.event-reg-btn{display:inline-block;padding:6px 16px;font-size:13px;font-weight:600;color:#fff;background:var(--brand-light);
               border-radius:8px;text-decoration:none;transition:all .15s}
.event-reg-btn:hover{background:var(--brand);box-shadow:0 2px 8px rgba(26,115,232,.3)}
.upcoming-badge{display:inline-block;font-size:10px;font-weight:700;color:#fff;background:var(--accent2);padding:2px 8px;
                border-radius:10px;margin-left:8px;vertical-align:middle;text-transform:uppercase;letter-spacing:.5px}
.event-iframe{width:100%;min-height:600px;border:1px solid var(--border);border-radius:var(--radius);background:var(--card)}

/* ---- pagination ---- */
.pagination{display:flex;align-items:center;justify-content:center;gap:8px;margin:24px 0;flex-wrap:wrap}
.pagination button{padding:8px 18px;border:1px solid var(--border);border-radius:8px;background:var(--card);color:var(--brand-light);
                   cursor:pointer;font-size:13px;font-weight:600;transition:all .15s}
.pagination button:hover:not(:disabled){background:var(--brand-light);color:#fff;box-shadow:0 2px 8px rgba(26,115,232,.2)}
.pagination button:disabled{opacity:.4;cursor:default}
.pagination .page-info{font-size:13px;color:var(--muted)}

/* ---- snapshot nav ---- */
.snap-nav{display:flex;justify-content:space-between;margin:20px 0;gap:12px}
.snap-nav a{color:var(--brand-light);text-decoration:none;font-size:14px;font-weight:600;padding:10px 20px;border:1px solid var(--border);border-radius:8px;background:var(--card);transition:all .15s}
.snap-nav a:hover{background:var(--brand-light);color:#fff;box-shadow:0 2px 8px rgba(26,115,232,.2)}
.snap-nav .spacer{flex:1}

/* ---- back to top ---- */
.btt{position:fixed;bottom:24px;right:24px;width:44px;height:44px;border-radius:50%;background:var(--brand-light);color:#fff;border:none;
     font-size:18px;cursor:pointer;box-shadow:0 4px 12px rgba(0,0,0,.2);opacity:0;transition:opacity .3s;pointer-events:none;z-index:99}
.btt.visible{opacity:1;pointer-events:auto}
.btt:hover{background:var(--brand);transform:scale(1.1)}

/* ---- footer ---- */
footer{color:var(--muted);font-size:12px;padding:32px 24px;text-align:center;border-top:1px solid var(--border);margin-top:40px}

/* ---- curated links ---- */
.curated-links-section{margin-bottom:28px;padding:20px 24px;background:linear-gradient(135deg,#f0f7ff,#e8f0fe);border-radius:var(--radius);border:1px solid var(--border)}
.curated-links-section h3{margin:0 0 14px;font-size:16px;color:var(--brand)}
.curated-links-grid{display:flex;flex-wrap:wrap;gap:10px}
a.curated-link{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;background:#fff;border:1px solid var(--border);
               border-radius:8px;color:var(--brand-light);font-size:13px;font-weight:600;text-decoration:none;transition:all .15s}
a.curated-link:hover{background:var(--brand-light);color:#fff;box-shadow:0 2px 8px rgba(26,115,232,.25)}
.submit-link-cta{display:flex;align-items:center;gap:12px;margin-top:24px;padding:14px 20px;background:var(--card);
                 border:1px dashed var(--border);border-radius:var(--radius);font-size:13px;color:var(--muted)}
.submit-link-cta .submit-btn{padding:6px 16px;background:var(--accent2);color:#fff;border-radius:8px;text-decoration:none;
                              font-weight:600;font-size:12px;transition:all .15s}
.submit-link-cta .submit-btn:hover{background:#2e7d32;box-shadow:0 2px 8px rgba(46,125,50,.3)}

/* ---- submit form ---- */
.submit-form{max-width:560px;margin:0 auto}
.submit-form .form-group{margin-bottom:18px}
.submit-form label{display:block;font-weight:600;font-size:13px;margin-bottom:6px;color:var(--fg)}
.submit-form input,.submit-form select,.submit-form textarea{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:8px;
  font-size:14px;background:var(--card);color:var(--fg);box-sizing:border-box}
.submit-form input:focus,.submit-form select:focus,.submit-form textarea:focus{outline:none;border-color:var(--brand-light);box-shadow:0 0 0 3px rgba(26,115,232,.1)}
.submit-form textarea{resize:vertical;min-height:60px}
.submit-form .form-actions{display:flex;gap:10px;margin-top:20px}
.submit-form .btn-submit{padding:10px 28px;background:var(--brand-light);color:#fff;border:none;border-radius:8px;font-size:14px;
  font-weight:600;cursor:pointer;transition:all .15s}
.submit-form .btn-submit:hover{background:var(--brand);box-shadow:0 2px 8px rgba(26,115,232,.3)}
.submit-form .btn-clear{padding:10px 28px;background:var(--card);color:var(--muted);border:1px solid var(--border);border-radius:8px;
  font-size:14px;cursor:pointer}
.submit-history{margin-top:32px;padding:20px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius)}
.submit-history h3{margin:0 0 12px;font-size:15px}
.submit-history .empty{color:var(--muted);font-size:13px}
.submit-history .entry{padding:8px 0;border-bottom:1px solid var(--border);font-size:13px;display:flex;gap:12px;align-items:center}
.submit-history .entry:last-child{border-bottom:none}
.submit-history .entry .status{font-size:11px;padding:2px 8px;border-radius:6px;font-weight:600}
.submit-history .status.pending{background:#fff3e0;color:#e65100}
.submit-history .status.approved{background:#e8f5e9;color:#2e7d32}
.submit-history .status.rejected{background:#fbe9e7;color:#c62828}

/* ---- responsive ---- */
@media(max-width:640px){
  header{flex-direction:column;align-items:flex-start;gap:4px;padding:12px 16px}
  .brand{margin-right:0;padding:8px 0 4px}
  nav{gap:0}
  main{padding:16px}
  .grid{grid-template-columns:1fr}
  .snap-nav{flex-direction:column;align-items:stretch;text-align:center}
  .hero{margin:-16px -16px 20px;padding:24px 20px 20px}
  .hero .hero-stats{flex-wrap:wrap;gap:16px}
}