:root{--bg: #0f1115;--surface: #171a21;--surface-2: #1f232c;--line: #2b303b;--text: #e7e9ee;--muted: #9aa3b2;--accent: #6ea8fe;--danger: #e5484d;--radius: 12px;color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--text);font:16px/1.5 -apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;-webkit-text-size-adjust:100%}.app{max-width:720px;margin:0 auto;padding:16px 16px calc(96px + env(safe-area-inset-bottom))}h1{font-size:20px;margin:8px 0 16px}h2{font-size:15px;color:var(--muted);margin:0 0 10px;font-weight:600}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px;margin-bottom:14px}.list{list-style:none;margin:0;padding:0}.row{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:10px 0;border-bottom:1px solid var(--line)}.row:last-child{border-bottom:none}.row-clickable{padding:0}.row-main{display:flex;align-items:center;gap:8px;flex-wrap:wrap;width:100%;padding:12px 2px;background:none;border:none;color:inherit;font:inherit;text-align:left;cursor:pointer}.title{flex:1 1 auto;min-width:40%}.title.is-done{color:var(--muted);text-decoration:line-through}.meta{font-size:12px;color:var(--muted)}.lock{font-size:12px}.pill{font-size:11px;padding:2px 8px;border-radius:999px;white-space:nowrap;color:var(--pill, var(--muted));border:1px solid color-mix(in srgb,var(--pill, #888) 45%,transparent);background:color-mix(in srgb,var(--pill, #888) 14%,transparent)}.empty{color:var(--muted);font-size:14px;margin:6px 0}.hint{font-size:13px;color:var(--muted);background:var(--surface-2);border-radius:8px;padding:8px 10px}.hint.is-error{color:var(--danger);background:color-mix(in srgb,var(--danger) 14%,transparent)}.field{display:flex;flex-direction:column;gap:6px}.field-label{font-size:13px;color:var(--muted)}.segmented{display:flex;gap:6px}.segmented button{flex:1 1 0;padding:10px 8px;font:inherit;font-size:14px;color:var(--text);background:var(--surface-2);border:1px solid var(--line);border-radius:8px}.segmented button.is-active{color:var(--bg);background:var(--accent);border-color:var(--accent)}.tag{font-size:11px;padding:2px 8px;border-radius:999px;white-space:nowrap;color:var(--accent);border:1px solid color-mix(in srgb,var(--accent) 45%,transparent);background:color-mix(in srgb,var(--accent) 14%,transparent)}.checkbox{flex:0 0 auto;width:28px;height:28px;border-radius:8px;border:1.5px solid var(--line);background:var(--surface-2);color:var(--bg);font-size:16px;line-height:1;cursor:pointer}.checkbox.is-checked{background:var(--accent);border-color:var(--accent);color:#0f1115}.overdue{border-color:color-mix(in srgb,var(--danger) 40%,var(--line))}.overdue-summary{width:100%;background:none;border:none;color:var(--text);font:inherit;text-align:left;padding:0;cursor:pointer}.form{display:flex;flex-direction:column;gap:8px}.form label{font-size:13px;color:var(--muted)}.form-more{display:flex;flex-direction:column;gap:8px;padding:10px;background:var(--surface-2);border-radius:8px}input,select,textarea{width:100%;padding:10px;font:inherit;color:var(--text);background:var(--surface-2);border:1px solid var(--line);border-radius:8px}input[type=checkbox]{width:auto;margin-right:6px}fieldset{border:1px solid var(--line);border-radius:8px;padding:8px 10px}fieldset legend{font-size:13px;color:var(--muted)}fieldset label{display:inline-flex;align-items:center;margin-right:16px}.row-inputs{display:flex;align-items:center;gap:8px}.row-inputs label{flex:0 0 auto;white-space:nowrap}.form-actions{display:flex;gap:8px;margin-top:4px}.btn{padding:11px 16px;font:inherit;border-radius:10px;border:1px solid var(--line);background:var(--surface-2);color:var(--text);cursor:pointer}.btn-primary{background:var(--accent);border-color:var(--accent);color:#0f1115;font-weight:600}.btn-danger{color:var(--danger);border-color:color-mix(in srgb,var(--danger) 45%,transparent)}.btn:disabled{opacity:.5;cursor:default}.link-btn{align-self:flex-start;background:none;border:none;color:var(--accent);font:inherit;font-size:14px;padding:4px 0;cursor:pointer}.icon-btn{background:none;border:none;color:var(--muted);font-size:18px;cursor:pointer}.fab{position:fixed;right:18px;bottom:calc(76px + env(safe-area-inset-bottom));width:56px;height:56px;border-radius:50%;border:none;background:var(--accent);color:#0f1115;font-size:28px;line-height:1;box-shadow:0 6px 20px #00000073;cursor:pointer;z-index:20}.tabbar{position:fixed;left:0;right:0;bottom:0;display:flex;background:color-mix(in srgb,var(--surface) 92%,transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom);z-index:10}.tabbar button{flex:1;padding:14px 0;background:none;border:none;color:var(--muted);font:inherit;cursor:pointer}.tabbar button.is-active{color:var(--accent);font-weight:600}.sheet-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0000008c;display:flex;align-items:flex-end;justify-content:center;z-index:30}.sheet{width:100%;max-width:720px;max-height:88vh;overflow-y:auto;background:var(--surface);border-radius:16px 16px 0 0;border:1px solid var(--line);padding:16px 16px calc(24px + env(safe-area-inset-bottom))}@media (min-width: 640px){.sheet-backdrop{align-items:center}.sheet{border-radius:16px;max-height:80vh}}.sheet-head{display:flex;align-items:center;justify-content:space-between}.sheet-head h2{margin:0;color:var(--text);font-size:17px}.sheet-body{margin-top:12px}.journal-entry{padding:12px 0;border-bottom:1px solid var(--line)}.journal-entry:last-child{border-bottom:none}.journal-head{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:4px}.journal-text{margin:0;white-space:pre-wrap}.filters{display:flex;gap:8px;margin-bottom:12px}.toasts{position:fixed;left:12px;right:12px;bottom:calc(140px + env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:8px;z-index:40;pointer-events:none}.toast{padding:10px 14px;border-radius:10px;background:var(--surface-2);border:1px solid var(--line);font-size:14px}.toast-error{border-color:color-mix(in srgb,var(--danger) 55%,transparent);color:#ffd7d8}