:root{color-scheme:dark;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:#08090d;color:#f4f7fb}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:radial-gradient(circle at top left,rgba(44,84,115,.34),transparent 34rem),linear-gradient(135deg,#08090d,#10131a 48%,#090a0f)}button,input,textarea{font:inherit}.app-shell{display:grid;min-height:100vh;place-items:center;padding:32px 18px}.todo-panel{width:min(100%,980px);padding:28px;border:1px solid rgba(255,255,255,.1);border-radius:8px;background:#0c0e14eb;box-shadow:0 24px 80px #00000059}.header-row{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:28px}.eyebrow{margin:0 0 8px;color:#96a0b5;font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase}h1{margin:0;font-size:clamp(2rem,8vw,3.4rem);line-height:.95;letter-spacing:0}.counter{display:grid;min-width:76px;place-items:center;padding:12px;border:1px solid rgba(255,255,255,.1);border-radius:8px;background:#151922}.counter strong{font-size:1.5rem;line-height:1}.counter span{color:#96a0b5;font-size:.8rem}.todo-form{display:grid;grid-template-columns:1fr auto;align-items:stretch;gap:10px;margin-bottom:18px}.todo-form input{grid-column:1 / -1}.todo-form input,.todo-form textarea{min-width:0;padding:12px 14px;border:1px solid rgba(255,255,255,.12);border-radius:8px;outline:none;background:#0d1017;color:#f4f7fb;line-height:1.45}.todo-form input{min-height:48px}.todo-form textarea{resize:vertical;min-height:92px;max-height:260px}.todo-form input:focus,.todo-form textarea:focus,.edit-input:focus{border-color:#5aa7ff;box-shadow:0 0 0 3px #5aa7ff2e}.todo-form button{min-height:48px;padding:0 18px;border:0;border-radius:8px;background:#5aa7ff;color:#06111f;cursor:pointer;font-weight:800}.todo-form button:disabled{cursor:not-allowed;opacity:.5}.todo-list{display:grid;gap:10px}.todo-item{display:grid;grid-template-columns:1fr auto;align-items:start;gap:12px;min-height:52px;padding:12px 14px;border:1px solid rgba(255,255,255,.08);border-radius:8px;background:#11151d;color:#edf2fa}.todo-check{display:grid;grid-template-columns:22px 1fr;align-items:start;gap:12px;min-width:0;cursor:pointer}.todo-check input{width:18px;height:18px;margin-top:2px;accent-color:#5aa7ff}.todo-copy{display:grid;gap:6px;min-width:0}.todo-copy span:first-child{min-width:0;overflow-wrap:anywhere;white-space:pre-wrap;line-height:1.45}.todo-meta{color:#96a0b5;font-size:.82rem;line-height:1.2}.todo-item .completed{color:#7f899b;text-decoration:line-through}.edit-input{grid-column:1 / -1;resize:vertical;min-width:0;min-height:120px;max-height:360px;padding:12px 14px;border:1px solid rgba(255,255,255,.12);border-radius:8px;outline:none;background:#0d1017;color:#f4f7fb;line-height:1.45}.todo-actions{display:flex;justify-content:flex-end;gap:8px}.todo-actions button{min-height:36px;padding:0 12px;border-radius:8px;cursor:pointer;font-weight:750}.primary-button{border:0;background:#5aa7ff;color:#06111f}.secondary-button{border:1px solid rgba(255,255,255,.13);background:#181d27;color:#dce6f5}.danger-button{border:1px solid rgba(255,141,141,.28);background:#ff8d8d1a;color:#ffb1b1}.primary-button:disabled{cursor:not-allowed;opacity:.5}.status{margin:14px 0;color:#96a0b5}.error{color:#ff8d8d}@media(max-width:520px){.app-shell{align-items:start;padding-top:18px}.todo-panel{padding:20px}.header-row{align-items:stretch}.todo-form{grid-template-columns:1fr}.todo-form input{grid-column:auto}.todo-item{grid-template-columns:1fr}.todo-actions{justify-content:stretch}.todo-actions button{flex:1}}