:root{--ink:#21314b;--blue:#2766db;--line:#d9e1ee}*{box-sizing:border-box}body{margin:0;background:#f7f9fc;color:var(--ink);font:16px system-ui}main{max-width:1200px;margin:auto;padding:28px 20px}.tabs,.page-heading,.button-row,.share-card{display:flex;align-items:center;gap:14px}.tabs{background:#fff;padding:14px 20px;border-bottom:1px solid var(--line)}.tabs a{color:var(--ink);text-decoration:none}.nav-spacer{flex:1}.page-heading{justify-content:space-between;margin-bottom:20px}.button{border:1px solid #adc1e7;background:#fff;border-radius:8px;padding:9px 13px;color:var(--ink);cursor:pointer;text-decoration:none;font:inherit}.primary{background:var(--blue);border-color:var(--blue);color:#fff}.share-card,.helper-pool,.timeline{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px;margin:14px 0}.share-card input{flex:1}.helper-card{display:block;width:220px;text-align:left;border:1px solid var(--line);background:#fff;border-radius:8px;padding:10px;cursor:grab}.helper-card small{display:block;font-size:.78rem;margin-top:3px}.helper-strip{display:flex;gap:8px;flex-wrap:wrap}input,select,textarea{width:100%;padding:9px;border:1px solid #bbc9dd;border-radius:7px;font:inherit}label{display:block;margin:12px 0}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:12px}.choice{border:1px solid var(--line);border-radius:8px;padding:8px}dialog{border:0;border-radius:12px;width:min(520px,calc(100% - 20px))}.timeline-help{background:#eef4ff;padding:12px;border-radius:8px;margin:14px 0}.timeline{padding:0;overflow:auto}.timeline-head,.timeline-row{display:grid;grid-template-columns:180px minmax(700px,1fr);border-bottom:1px solid var(--line)}.timeline-head>span,.timeline-row>strong{padding:12px}.timeline-hours,.timeline-track{height:54px;position:relative;background:repeating-linear-gradient(90deg,#f7f9fc 0,#f7f9fc calc(100% / 12 - 1px),#d9e1ee calc(100% / 12 - 1px),#d9e1ee calc(100% / 12))}.timeline-hours i{position:absolute;top:8px;font-size:.75rem;font-style:normal;color:#65718a;transform:translateX(-50%)}.timeline-row{min-height:94px}.timeline-track{height:auto;min-height:94px}.timeline-slot{position:absolute;top:10px;min-height:72px;padding:5px;background:#dce8ff;border:1px solid #7fa4eb;border-radius:7px;overflow:hidden}.timeline-slot header{font-size:.75rem;font-weight:700;white-space:nowrap;display:flex;justify-content:space-between}.assignment{border:0;background:#fff;padding:3px 5px;border-radius:5px;margin:2px;cursor:pointer}.slot-add{border:0;background:transparent;font-size:18px;cursor:pointer}.timeline-slot.is-drop-target{outline:3px solid var(--blue)}@media(max-width:700px){main{padding:18px 12px}.timeline-head,.timeline-row{grid-template-columns:110px minmax(520px,1fr)}.two-col{grid-template-columns:1fr}.share-card{flex-wrap:wrap}}