:root{--green:#0b7a3b;--green-dark:#075c2c;--bg:#0f1115;--card:#1a1d24;--card2:#232732;--text:#e8eaed;--muted:#9aa0aa;--danger:#e25555}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.container{max-width:640px;margin:0 auto;padding:16px 16px 90px}.header{display:flex;align-items:center;justify-content:space-between;padding:8px 0 16px}.header h1{font-size:20px;margin:0}.header .logo{color:var(--green);font-weight:800;letter-spacing:.5px}.tabs{display:flex;gap:8px;margin-bottom:16px}.tab{flex:1 1;padding:10px;text-align:center;background:var(--card);border:none;color:var(--muted);border-radius:10px;font-size:14px;font-weight:600;cursor:pointer}.tab.active{background:var(--green);color:#fff}.card{background:var(--card);border-radius:12px;padding:14px;margin-bottom:10px}.row{display:flex;align-items:center;gap:10px}.task-title{flex:1 1}.task-title.done{text-decoration:line-through;color:var(--muted)}.meta{font-size:12px;color:var(--muted);margin-top:2px}.checkbox{width:22px;height:22px;border-radius:6px;border:2px solid var(--green);background:transparent;cursor:pointer;flex-shrink:0;display:flex;align-items:center;justify-content:center}.checkbox.on{background:var(--green)}.del{background:none;border:none;color:var(--danger);cursor:pointer;font-size:18px}.input,.textarea{width:100%;padding:12px;border-radius:10px;border:1px solid var(--card2);background:var(--card2);color:var(--text);font-size:15px}.textarea{resize:vertical;min-height:48px}.btn{background:var(--green);color:#fff;border:none;padding:12px 16px;border-radius:10px;font-weight:700;cursor:pointer;font-size:15px}.btn:active{background:var(--green-dark)}.btn-full{width:100%}.add-row{display:flex;gap:8px;margin-bottom:16px}.add-row .input{flex:1 1}.chat-log{display:flex;flex-direction:column;gap:8px;margin-bottom:12px}.bubble{padding:10px 14px;border-radius:14px;max-width:85%;white-space:pre-wrap;font-size:14px}.bubble.me{background:var(--green);color:#fff;align-self:flex-end;border-bottom-right-radius:4px}.bubble.bot{background:var(--card2);align-self:flex-start;border-bottom-left-radius:4px}.empty{color:var(--muted);text-align:center;padding:30px 0}.login-wrap{min-height:80vh;display:flex;flex-direction:column;justify-content:center;gap:14px}.hint,.login-wrap h1{text-align:center}.hint{font-size:12px;color:var(--muted)}.dock{position:fixed;bottom:0;left:0;right:0;background:var(--card);border-top:1px solid var(--card2);padding:10px 16px calc(10px + env(safe-area-inset-bottom))}.dock-inner{max-width:640px;margin:0 auto;display:flex;gap:8px}.dock .input{flex:1 1}