:root{--bg:#f7f7f8;--panel:#fff;--text:#18181b;--muted:#6b7280;--border:#e5e7eb;--accent:#ff2d8d;--danger:#b42318;--danger-soft:#fef3f2;--ok:#067647;--ok-soft:#ecfdf3;--shadow:0 10px 30px rgba(0,0,0,.06)}
*{box-sizing:border-box}body{margin:0;font-family:Aptos,"Aptos Display","Segoe UI",Arial,sans-serif;background:var(--bg);color:var(--text)}
button,input,select{font:inherit}button{cursor:pointer}.shell{width:min(1080px,calc(100% - 28px));margin:0 auto;padding:24px 0 60px}
.topbar,.section-head,.actions,.register-row,.class-row,.tabs{display:flex;align-items:center}.topbar,.section-head{justify-content:space-between;gap:16px}.topbar{margin-bottom:20px}
h1,h2,p{margin-top:0}h1{font-size:1.6rem;margin-bottom:0}h2{font-size:1.2rem;margin-bottom:5px}.eyebrow{margin-bottom:5px;font-size:.76rem;text-transform:uppercase;letter-spacing:.11em;font-weight:800;color:var(--accent)}.muted{color:var(--muted)}.hidden{display:none!important}
.stack{display:grid;gap:16px}.stack-lg{display:grid;gap:20px}.panel{background:var(--panel);border:1px solid var(--border);border-radius:18px;padding:20px;box-shadow:var(--shadow)}
.auth-panel{width:min(440px,100%);margin:50px auto 0;display:grid;gap:22px}label{display:grid;gap:7px;font-weight:650;font-size:.92rem}
input,select{width:100%;min-height:46px;border:1px solid var(--border);background:white;border-radius:11px;padding:10px 12px;color:var(--text)}
input:focus,select:focus,button:focus-visible{outline:3px solid rgba(255,45,141,.18);outline-offset:2px;border-color:var(--accent)}
.btn{min-height:44px;border-radius:11px;padding:10px 15px;font-weight:750;border:1px solid transparent}.btn-primary{background:var(--accent);color:white}.btn-secondary{background:white;border-color:var(--border);color:var(--text)}.btn-danger{background:var(--danger-soft);border-color:#fecdca;color:var(--danger)}.btn:disabled{opacity:.5;cursor:not-allowed}
.message{min-height:20px;margin:0;color:var(--danger);font-size:.9rem}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.stat{background:var(--panel);border:1px solid var(--border);border-radius:15px;padding:16px}.stat span{display:block;color:var(--muted);font-size:.82rem;margin-bottom:5px}.stat strong{font-size:1.35rem}
.tabs{gap:8px}.tab{min-height:42px;padding:9px 14px;border:1px solid var(--border);background:white;border-radius:11px;font-weight:750}.tab.active{background:var(--accent);color:white;border-color:var(--accent)}
.class-list,.register-list{display:grid;gap:10px;margin-top:16px}.class-row,.register-row{justify-content:space-between;gap:14px;border:1px solid var(--border);border-radius:14px;padding:14px}.date{font-weight:800}.class-meta{min-width:0}.class-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.badge{display:inline-flex;align-items:center;border-radius:999px;padding:5px 9px;font-size:.76rem;font-weight:800}.badge-open{background:var(--ok-soft);color:var(--ok)}.badge-cancelled{background:var(--danger-soft);color:var(--danger)}.badge-closed{background:#f3f4f6;color:#4b5563}
.actions{gap:8px;flex-wrap:wrap}.actions.end{justify-content:flex-end}.register-summary{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin:18px 0}.register-summary>div{background:#fafafa;border:1px solid var(--border);border-radius:12px;padding:12px}.register-summary span{display:block;font-size:.77rem;color:var(--muted)}.register-summary strong{font-size:1.2rem}.person-main{min-width:0}.person-name{font-weight:800}.person-meta{margin-top:3px;color:var(--muted);font-size:.85rem}.form-warning{color:#b54708;font-weight:700}.signed{color:var(--ok);font-weight:800}
dialog{width:min(500px,calc(100% - 30px));border:1px solid var(--border);border-radius:18px;padding:0;color:var(--text)}dialog::backdrop{background:rgba(17,24,39,.45)}.dialog-body{padding:20px;display:grid;gap:16px}fieldset{border:0;padding:0;margin:0;display:grid;gap:8px}legend{font-weight:800;margin-bottom:7px}.radio{display:flex;grid-template-columns:none;align-items:center;gap:10px;border:1px solid var(--border);padding:11px;border-radius:11px}.radio input{width:auto;min-height:auto}.toast{position:fixed;right:18px;bottom:18px;max-width:360px;background:#18181b;color:white;border-radius:12px;padding:12px 14px;box-shadow:var(--shadow);z-index:50}
@media(max-width:760px){.stats{grid-template-columns:repeat(2,1fr)}.section-head{align-items:flex-start;flex-direction:column}.register-summary{grid-template-columns:repeat(2,1fr)}.register-row,.class-row{align-items:flex-start;flex-direction:column}.register-row .actions,.class-actions{width:100%}.register-row .actions .btn,.class-actions .btn{flex:1}}
@media(max-width:420px){.shell{width:min(100% - 18px,1080px);padding-top:14px}.panel{padding:15px;border-radius:14px}.stats{gap:8px}.stat{padding:12px}.topbar{align-items:flex-start}}
.schedule-group{display:grid;gap:10px;margin-top:18px}
.schedule-label{font-size:.82rem;font-weight:800;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.next-class{border:2px solid var(--accent);background:#fff5fa}
.history-class{background:#fafafa}

.search-box{margin-top:14px}
.search-box span{font-size:.85rem;color:var(--muted)}
.search-box input{margin-top:4px}

.question-list{display:grid;gap:12px}
.yn{display:grid;grid-template-columns:1fr 110px;align-items:center;gap:12px}
textarea{width:100%;border:1px solid var(--border);border-radius:11px;padding:10px 12px;font:inherit;resize:vertical}
.declaration{background:#fafafa;border:1px solid var(--border);border-radius:12px;padding:14px;font-size:.9rem}
.checkline{display:flex;grid-template-columns:none;align-items:flex-start;gap:9px}
.checkline input{width:auto;min-height:auto;margin-top:3px}
@media(max-width:680px){.yn{grid-template-columns:1fr}}

.class-row.cancelled-class{
  border:2px solid #d92d20;
  background:#fff5f4;
}
.cancelled-badge{
  display:inline-block;
  margin-top:6px;
  padding:4px 8px;
  border-radius:999px;
  background:#d92d20;
  color:white;
  font-size:.75rem;
  font-weight:800;
  letter-spacing:.02em;
}
.capacity-note{font-weight:750}

.forms-subsection{margin-top:22px}
.forms-subsection h3{margin:0 0 4px}

.participant-activity{margin-top:5px;font-weight:650}
.inactive-text{opacity:.7;font-weight:800}

.field-help{display:block;margin-top:5px;color:var(--muted);font-size:.8rem;line-height:1.35}

.participant-filters{display:grid;grid-template-columns:minmax(0,1fr) minmax(180px,260px);gap:14px;align-items:end;margin-bottom:16px}
@media(max-width:680px){.participant-filters{grid-template-columns:1fr}}

.test-note{margin:0 0 14px;font-size:.82rem}

.two-col{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.participant-stats{display:flex;gap:14px;flex-wrap:wrap;margin-top:5px;font-size:.82rem;font-weight:700}
.accident-detail{display:grid;gap:12px}
.accident-detail-row{border-bottom:1px solid var(--border);padding-bottom:10px}
.accident-detail-row:last-child{border-bottom:0}
.accident-detail-row strong{display:block;margin-bottom:3px}
@media(max-width:680px){.two-col{grid-template-columns:1fr}}


/* V1.7 class-night helpers and trends */
.class-night-tools{display:grid;grid-template-columns:minmax(0,1fr) minmax(180px,250px);gap:12px;align-items:end;margin-top:14px;position:sticky;top:0;z-index:8;background:var(--panel);padding:8px 0 10px;border-bottom:1px solid transparent}
.class-night-tools .search-box{margin-top:0}.register-sort span{font-size:.85rem;color:var(--muted)}
.quick-regulars{margin:14px 0 4px;padding:14px;border:1px solid var(--border);border-radius:14px;background:#fff9fc}.quick-regulars h3{margin:0 0 3px}.quick-regulars .eyebrow{margin-bottom:3px}.quick-regulars-head p{margin-bottom:0}.quick-regulars-list{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.quick-regular-btn{display:grid;gap:2px;text-align:left;border:1px solid #ffd0e5;background:white;border-radius:12px;padding:9px 11px;min-width:145px}.quick-regular-btn strong{font-size:.9rem}.quick-regular-btn span{font-size:.75rem;color:var(--muted)}.quick-regular-btn:disabled{opacity:.55}
.stats-trend-content{margin-top:18px}.trend-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.trend-card{border:1px solid var(--border);border-radius:14px;padding:14px;background:#fafafa}.trend-card span{display:block;color:var(--muted);font-size:.8rem;margin-bottom:5px}.trend-card strong{font-size:1.35rem}.trend-card small{display:block;color:var(--muted);margin-top:3px}.trend-card .trend-text{font-size:1rem;line-height:1.25}.trend-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:12px}.trend-panel{border:1px solid var(--border);border-radius:14px;padding:15px}.trend-panel h3{margin:0 0 10px;font-size:1rem}.trend-big{font-size:2rem;font-weight:850;margin:0}.payment-stats{display:grid;gap:8px}.payment-stats span{display:flex;justify-content:space-between;gap:12px}.top-attendees{padding-left:20px;margin:0;display:grid;gap:7px}.top-attendees li{padding-left:2px}.top-attendees li span{display:inline-block;min-width:0;margin-right:8px}.top-attendees li strong{float:right}
@media(max-width:760px){.class-night-tools{grid-template-columns:1fr;top:0}.trend-cards{grid-template-columns:repeat(2,1fr)}.trend-grid{grid-template-columns:1fr}.quick-regulars-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.quick-regular-btn{min-width:0;width:100%}}
@media(max-width:420px){.trend-cards{grid-template-columns:1fr 1fr}.quick-regulars-list{grid-template-columns:1fr 1fr}}