:root{--bg:#0f172a;--fg:#e2e8f0;--fg2:#94a3b8;--primary:#2dd4bf;--primary-dim:rgba(45,212,191,.1);--primary-border:rgba(45,212,191,.25);--accent:#f59e0b;--card:#1e293b;--border:#334155;--radius:12px;--card-shadow:0 4px 24px rgba(0,0,0,.3);--danger:#ef4444;--success:#22c55e}
[data-theme="light"]{--bg:#f8fafc;--fg:#0f172a;--fg2:#475569;--primary:#0d9488;--primary-dim:rgba(13,148,136,.08);--primary-border:rgba(13,148,136,.2);--accent:#d97706;--card:#ffffff;--border:#e2e8f0;--card-shadow:0 4px 24px rgba(0,0,0,.06);--danger:#dc2626;--success:#16a34a}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:Inter,system-ui,sans-serif;background:var(--bg);color:var(--fg);line-height:1.6}
a{color:var(--primary);text-decoration:none;transition:opacity .2s}
a:hover{opacity:.8}
.container{max-width:1100px;margin:0 auto;padding:0 1.5rem}
.container-sm{max-width:720px}
.container-xs{max-width:480px}

/* Nav */
.nav{background:var(--card);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;backdrop-filter:blur(12px)}
.nav-inner{max-width:1100px;margin:0 auto;padding:.75rem 1.5rem;display:flex;align-items:center;gap:1.5rem}
.nav-brand{display:flex;align-items:center;gap:.5rem;font-size:1.1rem;font-weight:700;color:var(--fg);text-decoration:none}
.brand-icon{font-size:1.3rem}
.nav-links{display:flex;gap:1rem;margin-left:auto;align-items:center;font-size:.85rem}
.nav-links a{color:var(--fg2);transition:color .2s}
.nav-links a:hover{color:var(--primary)}
.nav-cta{background:var(--primary);color:var(--bg)!important;padding:.4rem 1rem;border-radius:6px;font-weight:600}
.nav-cta:hover{opacity:.9}
.nav-right{display:flex;align-items:center;gap:.75rem}
.lang-dropdown{background:var(--card);color:var(--fg);border:1px solid var(--border);border-radius:6px;padding:.3rem .5rem;font-size:.75rem;cursor:pointer}
.theme-toggle{background:none;border:none;color:var(--fg2);cursor:pointer;padding:.3rem;display:flex}
[data-theme="light"] .icon-sun{display:none}
[data-theme="dark"] .icon-moon{display:none}
.nav-hamburger{display:none;background:none;border:none;color:var(--fg);cursor:pointer}

/* Hero */
.hero{padding:6rem 0 4rem;text-align:center;background:linear-gradient(135deg,var(--bg) 0%,rgba(45,212,191,.05) 100%)}
.hero-title{font-size:clamp(2rem,5vw,3.5rem);font-weight:800;margin-bottom:1rem;letter-spacing:-.02em}
.hero-sub{font-size:1.1rem;color:var(--fg2);max-width:600px;margin:0 auto 2rem;line-height:1.7}
.hero-ctas{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}

/* Discovery Bar */
.discovery-bar{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:1.5rem;margin-top:2rem;display:flex;gap:1.2rem;align-items:flex-start;flex-wrap:wrap}
.geo-btn{display:flex;flex-direction:column;align-items:center;gap:.4rem;background:var(--primary-dim);border:2px solid var(--primary-border);border-radius:16px;padding:1rem 1.2rem;cursor:pointer;color:var(--primary);font-size:.75rem;font-weight:600;transition:all .3s;min-width:80px;flex-shrink:0}
.geo-btn:hover{background:var(--primary);color:var(--bg);border-color:var(--primary);transform:scale(1.05)}
.geo-btn.geo-active{background:var(--primary);color:var(--bg);border-color:var(--primary)}
.geo-btn.geo-loading{opacity:.6;animation:pulse 1s ease infinite}
@keyframes pulse{0%,100%{opacity:.6}50%{opacity:1}}
.discovery-fields{display:flex;gap:.8rem;flex:1;align-items:flex-end;flex-wrap:wrap}
.field-group{display:flex;flex-direction:column;gap:.3rem;flex:1;min-width:140px}
.field-label{font-size:.7rem;font-weight:600;color:var(--fg2);text-transform:uppercase;letter-spacing:.05em}
.discovery-input{padding:.6rem .8rem;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:var(--fg);font-size:.9rem;font-family:inherit}
.discovery-input:focus{outline:none;border-color:var(--primary)}
.discovery-go{padding:.6rem 1.5rem;align-self:flex-end;white-space:nowrap}

/* Buttons */
.btn{display:inline-block;padding:.7rem 1.5rem;border-radius:8px;font-size:.9rem;font-weight:600;border:none;cursor:pointer;text-decoration:none;transition:all .2s}
.btn-primary{background:var(--primary);color:var(--bg)}
.btn-primary:hover{opacity:.9;transform:translateY(-1px)}
.btn-outline{border:1px solid var(--border);color:var(--fg);background:transparent}
.btn-outline:hover{border-color:var(--primary);color:var(--primary)}
.btn-sm{padding:.4rem 1rem;font-size:.8rem}
.btn-full{width:100%}
.btn-success{background:var(--success);color:#fff}
.btn-danger{background:var(--danger);color:#fff}

/* Section */
.section{padding:3rem 0}
.section-title{font-size:1.8rem;font-weight:700;margin-bottom:.5rem}
.section-sub{color:var(--fg2);margin-bottom:2rem;font-size:1rem}

/* Filter Chips */
.filter-chips{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:2rem}
.chip{padding:.4rem 1rem;border-radius:20px;border:1px solid var(--border);background:transparent;color:var(--fg2);font-size:.8rem;cursor:pointer;text-decoration:none;transition:all .2s}
.chip:hover,.chip.active{border-color:var(--primary);color:var(--primary);background:var(--primary-dim)}

/* Conference Grid */
.conference-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.2rem}
.conf-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;text-decoration:none;color:inherit;transition:all .3s;display:flex;flex-direction:column;gap:.5rem}
.conf-card:hover{border-color:var(--primary);transform:translateY(-2px);box-shadow:var(--card-shadow)}
.conf-card-header{display:flex;justify-content:space-between;align-items:center;font-size:.8rem}
.conf-category{font-size:1.3rem}
.conf-date{color:var(--fg2);font-size:.8rem}
.conf-card h3{font-size:1.1rem;font-weight:600}
.conf-city{font-size:.85rem;color:var(--fg2)}
.conf-meta{display:flex;gap:.5rem;flex-wrap:wrap;margin-top:auto}
.conf-description{color:var(--fg2);font-size:.9rem;line-height:1.6;margin-top:.5rem}

/* Badges */
.badge{padding:.2rem .6rem;border-radius:12px;font-size:.7rem;font-weight:600}
.badge-count{background:var(--primary-dim);color:var(--primary);border:1px solid var(--primary-border)}
.badge-free{background:rgba(34,197,94,.12);color:var(--success)}
.badge-paid{background:rgba(245,158,11,.12);color:var(--accent)}
.badge-official{background:rgba(16,185,129,.14);color:#10b981;border:1px solid rgba(16,185,129,.25);font-weight:600}
.badge-unofficial{background:rgba(148,163,184,.12);color:var(--fg2)}
.badge-pending{background:rgba(245,158,11,.12);color:var(--accent)}
.badge-exclusive{background:rgba(168,85,247,.12);color:#a855f7;border:1px solid rgba(168,85,247,.2)}
.badge-rejected{background:rgba(239,68,68,.12);color:var(--danger)}
.conf-badge{font-size:.75rem;color:var(--primary);font-weight:500}

/* Event Grid */
.events-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1.2rem}
.event-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;display:flex;flex-direction:column;gap:.6rem}
.event-card-header{display:flex;gap:.5rem;align-items:center;flex-wrap:wrap}
.event-type-badge{font-size:.8rem;font-weight:500}
.event-meta{display:flex;flex-direction:column;gap:.25rem;font-size:.8rem;color:var(--fg2)}
.event-desc{font-size:.85rem;color:var(--fg2);line-height:1.5}
.event-footer{display:flex;justify-content:space-between;align-items:center;margin-top:auto;padding-top:.75rem;border-top:1px solid var(--border)}
.event-organizer{font-size:.75rem;color:var(--fg2)}
.side-events-header{display:flex;justify-content:space-between;align-items:center;margin:2rem 0 1rem}
.conf-detail-header{margin-bottom:2rem}
.conf-detail-meta{display:flex;gap:1.5rem;flex-wrap:wrap;margin:.75rem 0;font-size:.85rem;color:var(--fg2)}

/* Search */
.search-form{margin-bottom:2rem}
.search-input{width:100%;padding:.8rem 1rem;border:1px solid var(--border);border-radius:8px;background:var(--card);color:var(--fg);font-size:1rem;margin-bottom:1rem}
.search-filters{display:flex;gap:.75rem;flex-wrap:wrap;margin-bottom:1rem}
.filter-select{padding:.5rem .8rem;border:1px solid var(--border);border-radius:6px;background:var(--card);color:var(--fg);font-size:.85rem}
.filter-check{display:flex;align-items:center;gap:.4rem;font-size:.85rem;color:var(--fg2)}
.results-count{color:var(--fg2);margin-bottom:1rem;font-size:.9rem}

/* Forms */
.form{display:flex;flex-direction:column;gap:1.2rem}
.form label{display:flex;flex-direction:column;gap:.3rem;font-size:.85rem;font-weight:500;color:var(--fg2)}
.form input,.form select,.form textarea{padding:.6rem .8rem;border:1px solid var(--border);border-radius:8px;background:var(--card);color:var(--fg);font-size:.9rem;font-family:inherit}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--primary)}
.form-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1rem}
.radio-group{border:none;display:flex;gap:1.5rem}
.radio-group legend{font-size:.85rem;font-weight:500;color:var(--fg2);margin-bottom:.5rem}
.radio-group label{flex-direction:row;align-items:center;gap:.4rem;font-weight:400}
.auth-switch{text-align:center;margin-top:1.5rem;font-size:.85rem;color:var(--fg2)}
.alert{padding:.8rem 1rem;border-radius:8px;font-size:.85rem;margin-bottom:1rem}
.alert-error{background:rgba(239,68,68,.1);color:var(--danger);border:1px solid rgba(239,68,68,.2)}

/* Stats */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.stat-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;text-align:center}
.stat-num{font-size:2rem;font-weight:700;color:var(--primary)}
.stat-label{font-size:.8rem;color:var(--fg2);margin-top:.25rem}

/* Queue */
.queue-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;margin-bottom:1rem}
.queue-green{border-left:4px solid var(--success)}
.queue-yellow{border-left:4px solid var(--accent)}
.queue-red{border-left:4px solid var(--danger)}
.queue-header{display:flex;gap:1.5rem;align-items:flex-start}
.trust-score{text-align:center;min-width:60px}
.score-num{font-size:2rem;font-weight:700;color:var(--primary)}
.score-label{font-size:.65rem;color:var(--fg2);display:block}
.queue-info h3{font-size:1rem;margin-bottom:.25rem}
.queue-info p{font-size:.8rem;color:var(--fg2)}
.queue-organizer{font-weight:500;color:var(--fg)!important}
.queue-flags{display:flex;gap:.5rem;flex-wrap:wrap;margin:.75rem 0}
.flag-badge{padding:.2rem .6rem;border-radius:12px;font-size:.7rem;background:rgba(245,158,11,.1);color:var(--accent)}
.queue-desc{margin:.5rem 0;font-size:.85rem;color:var(--fg2)}
.queue-actions{display:flex;gap:.5rem;align-items:center;margin-top:.75rem}
.input-inline{padding:.3rem .6rem;border:1px solid var(--border);border-radius:6px;background:var(--card);color:var(--fg);font-size:.8rem;width:200px}

/* Live Duplicate Matches */
.live-matches{background:rgba(245,158,11,.08);border:1px solid rgba(245,158,11,.25);border-radius:8px;padding:1rem;margin-top:-.5rem}
.match-header{font-size:.85rem;font-weight:600;color:var(--accent);margin-bottom:.5rem}
.match-item{display:flex;align-items:center;gap:.75rem;padding:.4rem 0;font-size:.85rem;flex-wrap:wrap}
.match-item span:first-child{flex:1}
.duplicate-match{display:flex;align-items:center;gap:.75rem;padding:.4rem 0;font-size:.85rem;flex-wrap:wrap}
.duplicate-match span:first-child{flex:1}

/* Modal */
.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.6);display:flex;align-items:center;justify-content:center;z-index:200}
.modal{background:var(--card);border-radius:var(--radius);padding:2rem;max-width:400px;text-align:center}
.modal h2{margin-bottom:1rem;font-size:1.2rem}
.modal-btns{display:flex;gap:1rem;justify-content:center}

/* Empty State */
.empty-state{text-align:center;padding:3rem;color:var(--fg2)}
.back-link{display:inline-block;margin-bottom:1.5rem;font-size:.85rem;color:var(--fg2)}

/* City Calendar */
.city-calendar{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;margin-bottom:2rem}
.cal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1rem}
.cal-month{font-size:1.2rem;font-weight:700}
.cal-weekdays{display:grid;grid-template-columns:repeat(7,1fr);text-align:center;font-size:.7rem;font-weight:600;color:var(--fg2);text-transform:uppercase;letter-spacing:.05em;margin-bottom:.5rem}
.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:2px}
.cal-day{aspect-ratio:1;display:flex;flex-direction:column;align-items:center;justify-content:center;border-radius:8px;font-size:.85rem;position:relative;transition:all .2s}
.cal-empty{background:transparent}
.cal-num{font-weight:500}
.cal-has-events{background:var(--primary-dim);border:1px solid var(--primary-border);cursor:pointer}
.cal-has-events:hover{background:var(--primary);color:var(--bg);transform:scale(1.08)}
.cal-today{font-weight:700;box-shadow:inset 0 0 0 2px var(--primary)}
.cal-dots{display:flex;gap:2px;margin-top:2px}
.cal-dot{width:5px;height:5px;border-radius:50%;background:var(--primary)}

/* City Timeline */
.city-timeline{margin-top:1.5rem}
.timeline-item{display:flex;gap:1.2rem;padding:1.2rem;border-left:3px solid var(--border);margin-left:1rem;transition:all .3s}
.timeline-item:hover,.timeline-highlight{border-left-color:var(--primary);background:var(--primary-dim);border-radius:0 var(--radius) var(--radius) 0}
.timeline-date{text-align:center;min-width:48px;flex-shrink:0}
.timeline-day{display:block;font-size:1.5rem;font-weight:700;color:var(--primary);line-height:1}
.timeline-month{display:block;font-size:.7rem;color:var(--fg2);text-transform:uppercase}
.timeline-title{font-size:1.05rem;font-weight:600;color:var(--fg)}
.timeline-meta{display:flex;gap:1rem;font-size:.8rem;color:var(--fg2);margin-top:.3rem;flex-wrap:wrap}
.timeline-events{margin-top:.5rem;display:flex;flex-direction:column;gap:.3rem}
.mini-event{display:flex;gap:.5rem;align-items:center;font-size:.8rem;color:var(--fg2)}
.mini-type{font-size:.9rem}
.mini-time{color:var(--primary);font-size:.75rem;font-weight:500}
.mini-more{font-size:.75rem;color:var(--primary);font-weight:500;margin-top:.2rem}

/* Legal Pages */
.legal-page h1{font-size:1.8rem;margin-bottom:.5rem}
.legal-page h2{font-size:1.2rem;margin-top:2rem;margin-bottom:.5rem;color:var(--primary)}
.legal-page h3{font-size:1rem;margin-top:1.2rem;margin-bottom:.3rem}
.legal-page p,.legal-page li{font-size:.9rem;line-height:1.7;color:var(--fg2)}
.legal-page ul{padding-left:1.5rem;margin:.5rem 0}
.legal-page li{margin-bottom:.3rem}
.legal-date{font-size:.8rem;color:var(--fg2);margin-bottom:2rem}

/* Footer */
.footer{border-top:1px solid var(--border);padding:2rem 0;margin-top:3rem;text-align:center}
.footer-tagline{font-size:.85rem;color:var(--fg2);margin-bottom:.75rem}
.footer-links{display:flex;gap:1.5rem;justify-content:center;margin-bottom:.5rem;font-size:.8rem}
.footer-copy{font-size:.75rem;color:var(--fg2)}

/* Responsive */
@media(max-width:768px){
    .nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:var(--card);flex-direction:column;padding:1rem 1.5rem;border-bottom:1px solid var(--border)}
    .nav-links.open{display:flex}
    .nav-hamburger{display:block}
    .hero{padding:4rem 0 2.5rem}
    .hero-title{font-size:1.8rem}
    .stats-grid{grid-template-columns:repeat(2,1fr)}
    .events-grid{grid-template-columns:1fr}
    .conference-grid{grid-template-columns:1fr}
    .search-filters{flex-direction:column}
    .queue-header{flex-direction:column}
    .discovery-bar{flex-direction:column;align-items:stretch}
    .geo-btn{flex-direction:row;justify-content:center;padding:.8rem}
    .discovery-fields{flex-direction:column}
}