:root{
  --bg:#f4f7fb;--card:#fff;--ink:#0f172a;--muted:#64748b;--line:#e2e8f0;
  --brand:#0f766e;--brand2:#14b8a6;--success:#15803d;--warning:#b45309;--danger:#b91c1c;
  --shadow:0 14px 36px rgba(15,23,42,.08);--radius:20px
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;font-family:Inter,"Segoe UI",Arial,sans-serif;color:var(--ink);background:var(--bg)}
button,input,select{font:inherit}
button{cursor:pointer}
.hidden{display:none!important}
.topbar{height:72px;background:#0f172a;color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 28px;position:sticky;top:0;z-index:20;box-shadow:0 8px 24px rgba(15,23,42,.18)}
.brand{display:flex;gap:12px;align-items:center}.brand-mark{width:42px;height:42px;border-radius:13px;background:linear-gradient(135deg,var(--brand2),#67e8f9);display:grid;place-items:center;font-weight:900;color:#083344}
.brand strong{display:block;font-size:18px}.brand small{color:#cbd5e1}
.top-actions{display:flex;align-items:center;gap:10px}.pill{padding:8px 12px;border-radius:999px;background:#e0f2fe;color:#075985;font-weight:800;font-size:13px}.topbar .pill{background:#1e293b;color:#e2e8f0}.pill.muted{opacity:.85}
.shell{max-width:1440px;margin:0 auto;padding:28px}
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}.tab{border:0;background:#e8eef6;color:#334155;padding:11px 17px;border-radius:12px;font-weight:800}.tab.active{background:#0f172a;color:#fff}
.tab-panel{display:none}.tab-panel.active{display:block}
.grid.two{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);margin-bottom:20px}
.card-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:18px}.card-head.wrap{flex-wrap:wrap}.card-head h2{margin:0 0 5px;font-size:22px}.card-head p{margin:0;color:var(--muted);line-height:1.5}
.head-actions{display:flex;gap:9px;flex-wrap:wrap;align-items:center}
.primary-btn,.secondary-btn,.ghost-btn,.warning-btn,.danger-btn,.icon-btn{border:0;border-radius:12px;padding:11px 16px;font-weight:850;transition:.18s}
.primary-btn{background:var(--brand);color:#fff}.primary-btn:hover{background:#0d665f}
.secondary-btn{background:#dff7f4;color:#0f5f59}.ghost-btn,.icon-btn{background:#eef2f7;color:#334155}.warning-btn{background:#fff7ed;color:#9a3412;border:1px solid #fed7aa}.danger-btn{background:#fee2e2;color:#991b1b;border:1px solid #fecaca}
.icon-btn{padding:9px 12px}.topbar .ghost-btn,.topbar .icon-btn{background:#1e293b;color:#fff}
.reader{min-height:430px;border:2px dashed #cbd5e1;border-radius:18px;background:#f8fafc;overflow:hidden;display:grid;place-items:center}
.camera-placeholder{text-align:center;color:var(--muted)}.scan-frame{width:180px;height:180px;border:4px solid var(--brand2);border-radius:22px;margin:0 auto 18px;position:relative}.scan-frame:after{content:"";position:absolute;left:10px;right:10px;top:50%;height:2px;background:#ef4444;box-shadow:0 0 10px #ef4444}
.scanner-actions{display:flex;gap:10px;margin-top:14px}.manual-checkin{margin-top:18px}
label{display:block;font-weight:750;color:#334155}input,select{width:100%;border:1px solid #cbd5e1;border-radius:11px;padding:11px 13px;background:#fff;color:#0f172a;outline:none}input:focus,select:focus{border-color:#2dd4bf;box-shadow:0 0 0 3px rgba(45,212,191,.14)}
.inline{display:flex;gap:10px;margin-top:8px}.inline input{flex:1}.search-row{max-width:760px}
.empty-state{min-height:360px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--muted);gap:7px;text-align:center}.empty-icon{font-size:64px;color:#94a3b8}.empty-state strong{font-size:20px;color:#334155}
.scan-card{border-radius:18px;padding:22px;text-align:center}.scan-card.success{background:#f0fdf4;border:1px solid #bbf7d0}.scan-card.duplicate{background:#fff7ed;border:1px solid #fed7aa}.scan-card.invalid{background:#fef2f2;border:1px solid #fecaca}.scan-icon{font-size:58px}.scan-card h3{margin:8px 0 4px;font-size:26px}.scan-card .guest-name{font-size:22px;font-weight:900;margin-top:16px}.scan-meta{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:16px;text-align:left}.scan-meta div{background:rgba(255,255,255,.7);padding:10px 12px;border-radius:10px}.scan-meta span{display:block;font-size:12px;color:var(--muted);text-transform:uppercase;font-weight:800}.scan-meta strong{display:block;margin-top:3px}
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:20px}.kpi{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;box-shadow:var(--shadow)}.kpi span{display:block;color:var(--muted);font-weight:750}.kpi strong{font-size:40px;margin-top:8px;display:block}.kpi.success{border-left:5px solid #22c55e}.kpi.warning{border-left:5px solid #f59e0b}.kpi.danger{border-left:5px solid #ef4444}
.progress-big{height:20px;background:#e2e8f0;border-radius:999px;overflow:hidden;margin-top:26px}.progress-big div{height:100%;width:0;background:linear-gradient(90deg,var(--brand),var(--brand2));transition:.3s}.progress-caption{margin-top:10px;color:var(--muted);font-weight:750}
.activity-list{max-height:360px;overflow:auto}.activity{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px solid #eef2f7}.activity:last-child{border:0}.activity .left strong{display:block}.activity .left span{color:var(--muted);font-size:13px}.activity .tag{font-size:12px;font-weight:900;padding:6px 9px;border-radius:999px}.tag.first{background:#dcfce7;color:#166534}.tag.duplicate{background:#ffedd5;color:#9a3412}.tag.manual{background:#e0e7ff;color:#3730a3}
.table-tools{display:flex;gap:10px;margin-bottom:14px}.table-tools input{flex:1}.table-tools select{max-width:220px}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:14px}table{width:100%;border-collapse:collapse;min-width:1320px}th,td{padding:12px 13px;border-bottom:1px solid #eef2f7;text-align:left;vertical-align:middle}th{background:#f8fafc;font-size:12px;text-transform:uppercase;color:#64748b;letter-spacing:.04em}td{font-size:14px}.status{font-weight:850}.status.checked{color:var(--success)}.status.pending{color:#64748b}.qr-mini{border:0;background:#e6fffb;color:#0f766e;border-radius:9px;padding:7px 9px;font-weight:850}
.file-input{max-width:260px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:16px}.form-grid label input{margin-top:7px}
.event-summary{display:grid;gap:10px}.event-summary .row{display:flex;justify-content:space-between;padding:10px 12px;background:#f8fafc;border-radius:10px}.danger-zone{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px;padding-top:18px;border-top:1px solid var(--line)}
.events-list{display:grid;gap:10px}.event-item{display:grid;grid-template-columns:1fr auto auto;gap:10px;align-items:center;padding:14px;border:1px solid var(--line);border-radius:14px}.event-item.active-event{border-color:#5eead4;background:#f0fdfa}.event-item small{display:block;color:var(--muted);margin-top:3px}
.search-results{display:grid;gap:9px;margin-top:14px}.search-item{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center;padding:12px 14px;border:1px solid var(--line);border-radius:12px}.search-item strong{display:block}.search-item span{color:var(--muted);font-size:13px}
.modal{position:fixed;inset:0;background:rgba(15,23,42,.55);display:grid;place-items:center;padding:20px;z-index:50}.modal-card{width:min(430px,95vw);background:#fff;border-radius:22px;padding:26px;position:relative;text-align:center;box-shadow:0 30px 90px rgba(15,23,42,.3)}.modal-close{position:absolute;right:14px;top:12px;border:0;background:#f1f5f9;border-radius:50%;width:36px;height:36px;font-size:22px}.qr-canvas{display:flex;justify-content:center;margin:20px 0}.modal code{display:block;word-break:break-all;background:#f8fafc;padding:10px;border-radius:10px;margin-bottom:14px}
.toast{position:fixed;right:22px;bottom:22px;background:#0f172a;color:#fff;padding:12px 16px;border-radius:12px;box-shadow:var(--shadow);z-index:100;opacity:0;transform:translateY(12px);pointer-events:none;transition:.2s}.toast.show{opacity:1;transform:none}
.auth-card{max-width:440px;margin:80px auto;background:#fff;border:1px solid var(--line);border-radius:22px;padding:28px;box-shadow:var(--shadow)}.auth-card label{margin-top:14px}.auth-card label input{margin-top:6px}.auth-card .primary-btn{width:100%;margin-top:18px}.error-text{color:#b91c1c}
@media(max-width:900px){.grid.two,.kpis{grid-template-columns:1fr 1fr}.shell{padding:18px}.topbar{padding:0 16px}.top-actions .pill{display:none}}
@media(max-width:650px){.grid.two,.kpis,.form-grid{grid-template-columns:1fr}.inline,.table-tools{flex-direction:column}.table-tools select{max-width:none}.home-actions{width:100%}.card{padding:16px}.reader{min-height:390px}.event-item{grid-template-columns:1fr}.topbar{height:auto;min-height:68px;padding-block:10px}.brand small{font-size:11px}}

/* Patient Safety Conference identity layer — event-specific, core remains reusable */
:root{--brand:#063F5B;--brand2:#16B9D4}
.brand-mark{width:58px;font-size:10px;letter-spacing:.02em;background:linear-gradient(135deg,#16B9D4,#65D5E5)}
.event-hero{height:300px;border-radius:22px;position:relative;overflow:hidden;margin-bottom:20px;background:url('assets/conference-identity.jpg') center/cover no-repeat;box-shadow:var(--shadow)}
.event-hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,63,91,.88) 0%,rgba(6,63,91,.48) 45%,rgba(6,63,91,.04) 78%)}
.event-hero-copy{position:absolute;left:30px;bottom:28px;max-width:600px;color:#fff}
.event-hero-copy span{font-size:12px;font-weight:900;letter-spacing:.13em;color:#7BE3EF}
.event-hero-copy h1{font-size:40px;line-height:1.05;margin:9px 0 8px}
.event-hero-copy p{margin:0;color:#E8F8FB;font-size:16px}
@media(max-width:650px){.event-hero{height:240px}.event-hero-copy{left:18px;right:18px;bottom:18px}.event-hero-copy h1{font-size:30px}}


.scan-card.verifying{background:#eef9ff;border:1px solid #b8e3f6;animation:pulseScan 1s ease-in-out infinite alternate}
.scan-confirm-bar{margin:-6px auto 14px;display:inline-block;padding:7px 12px;border-radius:999px;background:rgba(255,255,255,.82);font-size:12px;font-weight:950;letter-spacing:.05em}
.guest-subline{margin-top:4px;color:#526b79;font-weight:700}
.scan-next-note{margin:14px 0 0;font-size:13px;font-weight:750;color:#526b79}
@keyframes pulseScan{from{box-shadow:0 0 0 0 rgba(22,185,212,.10)}to{box-shadow:0 0 0 10px rgba(22,185,212,.03)}}


.email-state{display:inline-flex;padding:6px 10px;border-radius:999px;font-size:12px;font-weight:900}
.email-state.sent{background:#e6f7ed;color:#16713e}
.email-state.pending{background:#fff6d9;color:#795800}
.email-state.failed{background:#fdebec;color:#a11f2d}
.email-state.skipped{background:#eef2f6;color:#637283}

.guest-seq{width:54px;text-align:center;color:#0f766e}
.guest-email{min-width:220px;max-width:280px;word-break:break-word;font-size:13px}