:root{--ink:#243047;--muted:#68758b;--paper:#f7f4ee;--card:#fff;--green:#2f7d64;--border:#dfe4e8;--red:#b42318}*{box-sizing:border-box}body{margin:0;background:linear-gradient(145deg,#f8f4eb,#eef5f1);color:var(--ink);font-family:Inter,system-ui,-apple-system,sans-serif;min-height:100vh}header{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:24px max(20px,calc((100vw - 1050px)/2));background:#243047;color:white}header a{color:white;text-decoration:none;background:#ffffff1c;border:1px solid #ffffff42;padding:10px 14px;border-radius:12px}header div{text-align:center}header small{letter-spacing:.18em;color:#cbd8d1}h1{margin:3px 0;font-family:Georgia,serif;font-size:clamp(30px,5vw,48px)}header p{margin:4px 0;color:#dfe7e3}main{max-width:1050px;margin:auto;padding:24px}.summary{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:18px}.summary div{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:18px;text-align:center;box-shadow:0 6px 20px #26364a10}.summary b{display:block;font-size:30px;color:var(--green)}.summary span{color:var(--muted)}.toolbar{display:grid;grid-template-columns:2fr 1fr 1fr;gap:10px;margin-bottom:16px}select{width:100%;padding:12px;border:1px solid var(--border);border-radius:12px;background:white;color:var(--ink);font-size:16px}.list{display:grid;gap:12px}.task{display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:start;background:white;border:1px solid var(--border);border-left:5px solid var(--green);border-radius:16px;padding:17px;box-shadow:0 5px 18px #26364a0d}.task.overdue{border-left-color:var(--red)}.task.completed{opacity:.65}.task.completed h3{text-decoration:line-through}.check{width:34px;height:34px;border:2px solid var(--green);border-radius:50%;background:white;color:var(--green);font-weight:800;font-size:18px;cursor:pointer}.task h3{margin:2px 0 8px;font-size:19px}.task p{margin:9px 0 0;color:var(--muted);line-height:1.45}.meta{display:flex;flex-wrap:wrap;gap:7px}.chip{font-size:13px;background:#eef3f0;padding:5px 9px;border-radius:999px}.due{font-weight:700}.overdue .due{color:var(--red)}.source{font-size:25px}.empty{text-align:center;background:white;border:1px dashed var(--border);padding:45px 20px;border-radius:18px;color:var(--muted)}#toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);background:#243047;color:white;border-radius:12px;padding:11px 16px;display:none}@media(max-width:650px){header{padding:18px 12px}header p,header small{display:none}header a{font-size:13px;padding:9px}.toolbar{grid-template-columns:1fr}.summary div{padding:13px 5px}.task{grid-template-columns:auto 1fr}.source{display:none}}