:root{--bg: #f5f6fa;--card: #ffffff;--text: #1d2030;--muted: #6c7086;--line: #e4e6ef;--accent: #4f46e5;--accent-soft: #eef0ff;--danger: #dc2626;--toast: #14151d;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--text);background:var(--bg)}@media (prefers-color-scheme: dark){:root{--bg: #12131a;--card: #1c1e28;--text: #e8e9f0;--muted: #9a9db0;--line: #2c2f3d;--accent-soft: #24233f;--toast: #2c2f3d}}*{box-sizing:border-box}body{margin:0;background:var(--bg);min-height:100vh}button{font:inherit;cursor:pointer}.app{max-width:640px;margin:0 auto;padding:24px 18px 96px}.center{text-align:center;padding:48px 16px}.muted{color:var(--muted)}.small{font-size:.85rem}h1{margin:0;font-size:1.7rem;letter-spacing:-.02em}.sub{margin:4px 0 0;font-size:.95rem}.header{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:20px}.menu{position:relative}.avatar-btn{width:38px;height:38px;border-radius:50%;border:1px solid var(--line);padding:0;overflow:hidden;background:var(--accent-soft);color:var(--accent);font-weight:600}.avatar-btn img{width:100%;height:100%;object-fit:cover}.menu-pop{position:absolute;right:0;top:46px;z-index:5;min-width:230px;background:var(--card);border:1px solid var(--line);border-radius:12px;box-shadow:0 10px 30px #00000014;padding:12px}.who{font-size:.85rem;margin-bottom:4px;word-break:break-all}.via{font-size:.75rem;margin-bottom:10px}.progress{height:4px;background:var(--line);border-radius:4px;overflow:hidden;margin:10px 0 20px}.progress span{display:block;height:100%;background:var(--accent);transition:width .3s}input[type=text],input[type=email],input[type=password],.edit-input{flex:1;min-width:0;width:100%;font-size:16px;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:var(--card);color:var(--text)}input:focus{outline:2px solid var(--accent);outline-offset:1px}.btn{border:0;border-radius:12px;padding:12px 18px;font-size:16px;background:var(--accent);color:#fff}.btn:disabled{opacity:.45;cursor:default}.btn.ghost{background:var(--card);color:var(--text);border:1px solid var(--line)}.btn.block{width:100%}.link{background:none;border:0;color:var(--accent);padding:0;text-decoration:underline;font-size:inherit}.add{display:flex;gap:8px;margin-bottom:16px}.filters{display:flex;gap:6px;margin-bottom:12px}.filters button{border:1px solid var(--line);background:var(--card);color:var(--muted);border-radius:999px;padding:6px 14px;font-size:14px}.filters button.on{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}.list{list-style:none;margin:0;padding:0;display:grid;gap:8px}.item{display:flex;align-items:center;gap:12px;min-height:58px;padding:8px 8px 8px 14px;background:var(--card);border:1px solid var(--line);border-radius:14px}.check{width:24px;height:24px;border-radius:50%;border:2px solid #c5c8d6;background:transparent;flex-shrink:0;display:grid;place-items:center;padding:0;color:#fff}.check svg{width:14px;height:14px}.item.done .check{background:var(--accent);border-color:var(--accent)}.title{flex:1;word-break:break-word;line-height:1.35;cursor:text}.item.done .title{text-decoration:line-through;color:var(--muted)}.edit-input{padding:8px 10px}.icon{background:transparent;border:0;width:38px;height:38px;border-radius:10px;color:var(--muted);display:grid;place-items:center;flex-shrink:0}.icon:hover{background:var(--bg);color:var(--text)}.icon.del:hover{color:var(--danger)}.icon svg{width:18px;height:18px}.empty{text-align:center;padding:40px 10px;color:var(--muted)}.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%);z-index:20;background:var(--toast);color:#fff;border-radius:12px;padding:10px 10px 10px 16px;display:flex;gap:14px;align-items:center;font-size:14px;box-shadow:0 10px 30px #0003}.toast button{background:transparent;border:0;color:#a5a2ff;font-weight:600;padding:6px 8px}.err{background:#fdecec;color:var(--danger);padding:10px 12px;border-radius:10px;font-size:.92rem;margin-bottom:12px;cursor:pointer}.note{background:var(--accent-soft);color:#3730a3;padding:10px 12px;border-radius:10px;font-size:.92rem}.auth{max-width:400px;padding-top:48px}.brand{width:52px;height:52px;border-radius:16px;background:var(--accent);color:#fff;display:grid;place-items:center;margin-bottom:18px}.brand svg{width:26px;height:26px}.stack{display:grid;gap:10px;margin-top:24px}.stack.tight{margin-top:0}.divider{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:13px;margin:6px 0}.divider:before,.divider:after{content:"";flex:1;height:1px;background:var(--line)}.google{display:flex;align-items:center;justify-content:center;gap:10px}.g-dot{width:20px;height:20px;border-radius:50%;border:1.5px solid var(--muted);display:grid;place-items:center;font-size:11px;font-weight:700;color:var(--muted)}.switch{text-align:center;color:var(--muted);margin-top:18px;font-size:.95rem}.row-end{display:flex;justify-content:flex-end;font-size:.9rem}.auth .err{margin-bottom:0}@media (min-width: 768px){.app{padding-top:56px}h1{font-size:2.1rem}}