:root{--primary:#03a9f4;--primary-dark:#0288d1;--bg:#f1f1f1;--surface:#fff;--text:#212121;--muted:#727272;--divider:#ddd;--danger:#db4437;--shadow:0 2px 6px rgba(0,0,0,.16)}*{box-sizing:border-box}html{font-family:Roboto,"Noto Sans",Arial,sans-serif;color:var(--text);background:var(--bg)}body{margin:0;line-height:1.45}.app-bar{height:72px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 max(3vw,16px);box-shadow:0 2px 4px rgba(0,0,0,.24);position:sticky;top:0;z-index:5}.brand,.user{display:flex;align-items:center;gap:12px}.brand-icon{display:grid;place-items:center;width:42px;height:42px;border:2px solid #fff;border-radius:50%;font-size:24px}.brand h1{font-size:22px;font-weight:500;line-height:1;margin:0}.brand small{opacity:.8}.user form{display:inline}.avatar,.mini-avatar{display:inline-grid;place-items:center;border-radius:50%;background:var(--primary);color:#fff;font-weight:500;flex:none}.avatar{width:38px;height:38px}.app-bar .avatar{background:rgba(255,255,255,.25)}main{max-width:1180px;margin:24px auto;padding:0 16px 48px}.panel,.flash{background:var(--surface);border-radius:4px;box-shadow:var(--shadow);padding:24px}.flash{border-left:4px solid #43a047;margin-bottom:16px}.flash.error{border-color:var(--danger)}h2,h3{font-weight:400;margin:0 0 16px}h2{font-size:24px}h3{font-size:19px}.overline{color:var(--primary-dark);font-size:12px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;margin:0 0 4px}.section-title{display:flex;justify-content:space-between;align-items:center}.count{display:grid;place-items:center;min-width:34px;height:34px;padding:0 10px;border-radius:17px;background:#e1f5fe;color:var(--primary-dark);font-weight:700}.task-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px}.task-card{border:1px solid var(--divider);border-radius:4px;padding:18px;background:#fff;display:flex;flex-direction:column;min-width:0}.task-card.mine{border-top:4px solid var(--primary);padding-top:15px}.card-actions{display:flex;align-items:center;gap:4px;margin-bottom:12px}.badge{background:#e1f5fe;color:#0277bd;border-radius:12px;padding:3px 9px;font-size:12px;margin-right:auto}.icon-button{border:0;background:transparent;color:#555;text-decoration:none;border-radius:50%;width:34px;height:34px;display:grid;place-items:center;font-size:20px;cursor:pointer}.icon-button:hover{background:#eee}.icon-button.danger{font-size:16px}.description{color:var(--muted);flex:1;margin:0 0 12px}.due-date{font-size:13px;color:var(--primary-dark);margin:0}.assignment{display:flex;align-items:center;gap:10px;border-top:1px solid #eee;margin:16px 0;padding-top:14px}.assignment small,.assignment strong{display:block}.assignment small{color:var(--muted);font-size:11px}.assignment strong{font-size:14px}.forms{display:grid;grid-template-columns:minmax(260px,1fr) minmax(400px,1.7fr);gap:16px;margin-top:16px}form{display:grid;gap:14px}label,legend{font-size:13px;color:#555;font-weight:500}input,textarea,select{display:block;width:100%;border:1px solid #aaa;border-radius:4px;background:#fff;color:var(--text);font:inherit;padding:11px;margin-top:5px;outline:none}input:focus,textarea:focus,select:focus{border-color:var(--primary);box-shadow:0 0 0 1px var(--primary)}textarea{resize:vertical}.row{display:grid;grid-template-columns:1fr 1fr;gap:12px}button,.button{font:inherit;font-size:14px;font-weight:500;letter-spacing:.02em;border:0;border-radius:4px;padding:10px 16px;cursor:pointer;text-align:center;text-decoration:none}.primary{background:var(--primary);color:#fff}.primary:hover{background:var(--primary-dark)}.secondary{background:#eee;color:#333}.text-button{background:transparent;color:#fff;padding:8px}.complete{width:100%}.people-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}.people-list>span{display:flex;align-items:center;gap:7px;border:1px solid var(--divider);border-radius:18px;padding:4px 10px 4px 4px;font-size:13px}.mini-avatar{width:26px;height:26px;font-size:12px}fieldset{border:0;padding:0;margin:0}legend{color:var(--text);font-size:14px}.hint,.empty{color:var(--muted);font-size:13px}.hint{margin:2px 0 10px}.person-picks{display:flex;gap:8px;flex-wrap:wrap}.person-picks label{cursor:pointer}.person-picks input{position:absolute;opacity:0;pointer-events:none}.person-picks label>span{display:flex;align-items:center;gap:7px;padding:5px 11px 5px 5px;border:1px solid #aaa;border-radius:20px;transition:.15s}.person-picks input:checked+span{background:#e1f5fe;border-color:var(--primary);color:#0277bd}.person-picks input:not(:checked)+span{opacity:.48;filter:grayscale(1)}.form-actions,.dialog-actions{display:flex;justify-content:flex-end;gap:8px}.modal{z-index:20;width:min(440px,calc(100% - 32px));border:0;border-radius:6px;padding:28px;box-shadow:0 12px 32px rgba(0,0,0,.35);text-align:center}.modal[open]{display:block;position:fixed;inset:50% auto auto 50%;transform:translate(-50%,-50%)}.modal::backdrop{background:rgba(0,0,0,.42)}.backdrop{position:fixed;inset:0;background:rgba(0,0,0,.42);z-index:19}.modal-icon{font-size:34px;margin-bottom:8px}.modal-icon.warning{color:var(--danger);font-weight:700}.identity-list{display:grid;gap:8px;margin-top:20px}.identity-list button{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--divider);color:var(--text);text-align:left}.identity-list button:hover{background:#e1f5fe;border-color:var(--primary)}.delete-button{background:var(--danger);color:#fff}.dialog-actions{margin-top:8px}@media(max-width:720px){.app-bar{height:64px}.user>span:not(.avatar){display:none}.forms{grid-template-columns:1fr}.panel{padding:18px}.row{grid-template-columns:1fr}.task-grid{grid-template-columns:1fr}main{margin-top:16px}}