:root{--ink:#18302a;--muted:#67756f;--paper:#f5f4ee;--white:#fff;--green:#147d64;--green-dark:#17362b;--gold:#d6a739;--coral:#d66a4a;--line:#dfe3dc;--shadow:0 12px 40px rgba(20,47,39,.12)}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Trebuchet MS",Tahoma,sans-serif;font-size:15px;line-height:1.5}h1,h2,h3,p{margin-top:0}h1,h2,h3{font-family:Georgia,"Times New Roman",serif;letter-spacing:0}h1{font-size:clamp(2rem,4vw,3.2rem);line-height:1.02}h2{font-size:1.7rem}button,input,select,textarea{font:inherit}.topbar{height:68px;padding:0 max(24px,calc((100% - 1180px)/2));background:var(--green-dark);color:white;display:flex;align-items:center;gap:36px}.brand{display:flex;align-items:center;gap:10px;color:inherit;text-decoration:none;font-weight:800}.brand-mark{width:34px;height:34px;display:grid;place-items:center;background:var(--gold);color:var(--green-dark);font-family:Georgia,serif;font-size:21px;border-radius:4px}.topbar nav{display:flex;gap:6px;flex:1}.topbar nav a{color:#d7e4df;text-decoration:none;padding:9px 12px;border-radius:4px}.topbar nav a:hover{background:#284b40;color:white}.icon-button{border:0;background:transparent;color:inherit;min-width:36px;height:36px;font-size:20px;cursor:pointer}.page{max-width:1180px;margin:0 auto;padding:48px 24px 72px}.page-heading,.section-heading{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:32px}.page-heading h1{margin:0}.eyebrow{text-transform:uppercase;font-size:11px;letter-spacing:1.5px;font-weight:800;color:var(--green);margin-bottom:8px}.button{border:1px solid var(--line);border-radius:5px;background:white;color:var(--ink);padding:10px 16px;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;font-weight:800}.button.primary{background:var(--green);border-color:var(--green);color:white}.button.danger{background:var(--coral);border-color:var(--coral);color:white}.button.small{padding:7px 11px}.button.large{padding:14px 18px;font-size:17px}.button:disabled{opacity:.45;cursor:not-allowed}.stats{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);background:white;margin-bottom:50px}.stats article{padding:24px;border-right:1px solid var(--line)}.stats article:last-child{border:0}.stats span{display:block;color:var(--muted)}.stats strong{font:2.4rem Georgia,serif}.event-list{background:white;border-top:3px solid var(--green)}.event-row{display:grid;grid-template-columns:64px 1fr auto;align-items:center;gap:20px;padding:18px 22px;border-bottom:1px solid var(--line)}.event-row time{border-right:1px solid var(--line);text-align:center}.event-row time strong,.event-row time span{display:block}.event-row time strong{font:1.7rem Georgia,serif}.event-row h3{margin:0 0 3px}.event-row p{margin:0;color:var(--muted)}.metric,.session-chip{font-size:12px;background:#edf5f1;padding:5px 8px;border-radius:3px}.session-chip{display:inline-block;margin:8px 4px 0 0}.table-wrap{overflow:auto;background:white;border-top:3px solid var(--green)}table{border-collapse:collapse;width:100%;min-width:760px}th,td{text-align:left;padding:14px 16px;border-bottom:1px solid var(--line)}th{font-size:11px;text-transform:uppercase;letter-spacing:1px;color:var(--muted)}td small{display:block;color:var(--muted)}code{font-size:12px}.empty{text-align:center;color:var(--muted);padding:34px}.flash{position:fixed;z-index:20;right:18px;top:82px;max-width:420px;padding:13px 18px;background:white;border-left:4px solid var(--green);box-shadow:var(--shadow)}.flash-error{border-color:var(--coral)}dialog{border:0;padding:0;width:min(620px,calc(100% - 28px));box-shadow:var(--shadow);border-radius:6px}dialog::backdrop{background:rgba(15,34,28,.55)}.form-stack,.form-grid{display:grid;gap:18px}.form-grid{grid-template-columns:1fr 1fr;padding:24px}.form-grid header,.form-grid footer,.form-grid .wide{grid-column:1/-1}.form-grid header,.form-grid footer,.compact footer{display:flex;justify-content:space-between;align-items:center;gap:10px}.compact{padding:26px}.form-stack label,.form-grid label,.filter-bar label{display:grid;gap:6px;font-size:12px;font-weight:800}input,select,textarea{width:100%;border:1px solid #cbd3cd;background:white;border-radius:4px;padding:11px 12px;color:var(--ink)}input:focus,select:focus,textarea:focus{outline:3px solid rgba(20,125,100,.15);border-color:var(--green)}.filter-bar{display:flex;align-items:end;gap:10px}.chart-panel{background:white;border-top:3px solid var(--gold);padding:18px;margin-bottom:24px}#attendance-chart{height:320px}.login-shell{min-height:100vh;display:grid;grid-template-columns:minmax(360px,560px) 1fr;background:white}.login-panel{padding:clamp(36px,8vw,100px);display:flex;flex-direction:column;justify-content:center}.login-brand{margin-bottom:70px}.login-panel h1{max-width:430px}.login-scene{background-color:var(--green-dark);background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:48px 48px;display:grid;place-items:center}.date-tile{width:220px;aspect-ratio:1;background:var(--gold);display:flex;flex-direction:column;justify-content:center;align-items:center;transform:rotate(-3deg);box-shadow:22px 22px 0 rgba(0,0,0,.18)}.date-tile strong{font:7rem Georgia,serif;line-height:.8}.date-tile span{font-weight:800;text-transform:uppercase;margin-top:16px}.public-shell{min-height:100vh;display:grid;grid-template-columns:1fr 1fr}.attendance-head{padding:clamp(38px,8vw,100px);background:var(--green-dark);color:white;display:flex;flex-direction:column;justify-content:center}.public-brand{position:absolute;top:30px;font-size:12px;font-weight:800;display:flex;align-items:center;gap:10px}.attendance-head .eyebrow{color:#ecc95f}.attendance-head h1{font-size:clamp(2.7rem,7vw,5.5rem);max-width:650px;margin-bottom:24px}.attendance-head>p:last-child{color:#cfddd8;font-size:17px}.attendance-form{padding:clamp(32px,8vw,100px);display:flex;flex-direction:column;justify-content:center;max-width:620px}.status{font-weight:800}.status span{display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--green);margin-right:5px}.status.closed span{background:var(--coral)}.success-shell{min-height:100vh;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:30px;max-width:620px;margin:auto}.success-mark{width:74px;height:74px;border-radius:50%;display:grid;place-items:center;background:var(--green);color:white;font-size:38px;margin-bottom:24px}.success-shell p{max-width:500px}.success-shell .button{margin-top:20px}@media(max-width:760px){.topbar{height:auto;padding:12px 16px;flex-wrap:wrap;gap:10px}.topbar nav{order:3;width:100%;overflow:auto}.topbar nav a{padding:8px}.page{padding:32px 16px}.page-heading{align-items:flex-start;flex-direction:column}.stats{grid-template-columns:1fr}.stats article{border-right:0;border-bottom:1px solid var(--line)}.event-row{grid-template-columns:52px 1fr}.event-actions,.metric{grid-column:2}.login-shell,.public-shell{grid-template-columns:1fr}.login-scene{display:none}.login-panel{min-height:100vh;padding:32px 24px}.login-brand{margin-bottom:60px}.attendance-head{min-height:48vh;padding-top:90px}.attendance-form{min-height:52vh}.public-brand{top:24px}.filter-bar{width:100%;flex-wrap:wrap}.form-grid{grid-template-columns:1fr}.form-grid>*{grid-column:1!important}.flash{left:16px;right:16px}.chart-panel{padding:6px}}