:root{--teal:#0f766e;--teal-d:#115e59;--teal-l:#ccfbf1;--bg:#f4f6f5;--card:#fff;--ink:#16211f;--mute:#5d6b68;--line:#e2e8e6;
--red:#dc2626;--red-l:#fee2e2;--amber:#d97706;--amber-l:#fef3c7;--green:#16a34a;--green-l:#dcfce7;--r:16px;
--safe-b:env(safe-area-inset-bottom,0px);--safe-t:env(safe-area-inset-top,0px)}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.4 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
body.noscroll{overflow:hidden}
a{color:var(--teal)}
.view{max-width:640px;margin:0 auto;padding:calc(12px + var(--safe-t)) 16px calc(100px + var(--safe-b))}
.loading{text-align:center;color:var(--mute);margin-top:40vh}
.top{position:relative;padding:8px 2px 12px}
.top h1{margin:0;font-size:28px;letter-spacing:-.02em}
.top .tag{margin:2px 0 0;color:var(--mute);font-size:15px}
.with-back .back{display:inline-block;font-weight:600;text-decoration:none;padding:10px 0 4px;font-size:17px;min-height:44px}
.edit-item{position:absolute;right:0;top:12px}
h2.sec{font-size:15px;text-transform:uppercase;letter-spacing:.06em;color:var(--mute);margin:22px 4px 8px}
h2.sec small{text-transform:none;letter-spacing:0;font-weight:500}
h2.sec.overdue{color:var(--red)} h2.sec.soon{color:var(--amber)} h2.sec.ok{color:var(--green)}
.none{color:var(--mute);margin:6px 4px 10px}
.summary{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:4px 0 8px}
.sum{display:flex;flex-direction:column;align-items:center;padding:14px 6px;border-radius:var(--r);text-decoration:none;color:var(--ink)}
.sum b{font-size:30px;line-height:1} .sum span{font-size:14px;margin-top:4px;font-weight:600}
.sum.overdue{background:var(--red-l)} .sum.overdue b{color:var(--red)}
.sum.soon{background:var(--amber-l)} .sum.soon b{color:var(--amber)}
.sum.ok{background:var(--green-l)} .sum.ok b{color:var(--green)}
.banner{display:flex;flex-direction:column;background:var(--teal);color:#fff;border-radius:var(--r);padding:14px 16px;margin:10px 0;cursor:pointer}
.banner span{opacity:.9;font-size:15px}
.row,.card{background:var(--card);border-radius:var(--r);box-shadow:0 1px 2px rgba(0,0,0,.05);margin:8px 0}
.row{display:flex;align-items:center;gap:12px;padding:12px 12px 12px 14px;border-left:6px solid var(--green);cursor:pointer;min-height:72px}
.row.overdue{border-left-color:var(--red)} .row.soon{border-left-color:var(--amber)}
.row-icon{font-size:26px;width:36px;text-align:center;flex:none}
.row-main{flex:1;min-width:0}
.row-title{font-weight:650;font-size:17px}
.row-sub{color:var(--mute);font-size:14px;margin-top:2px}
.row-due{font-size:15px;font-weight:600;margin-top:2px}
.row.overdue .row-due,.task.overdue .row-due{color:var(--red)} .row.soon .row-due,.task.soon .row-due{color:var(--amber)} .row.ok .row-due,.task.ok .row-due{color:var(--green)}
.btn-done{flex:none;border:0;background:var(--teal-l);color:var(--teal-d);font-weight:700;font-size:15px;border-radius:12px;padding:0 14px;min-height:48px;min-width:84px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:0;border-radius:12px;font:inherit;font-weight:650;min-height:48px;padding:0 18px;text-decoration:none;cursor:pointer;color:var(--ink);background:#e8eeec}
.btn.primary{background:var(--teal);color:#fff} .btn.primary:active{background:var(--teal-d)}
.btn.ghost{background:#fff;border:1.5px solid var(--line)}
.btn.danger{background:#fff;color:var(--red);border:1.5px solid #fecaca}
.btn.big{min-height:56px;font-size:18px} .btn.full{display:flex;width:100%;margin:10px 0}
.btn.small{min-height:40px;padding:0 14px;font-size:15px}
.btn.buy{min-height:40px;padding:0 14px;background:#ff9900;color:#111;font-size:15px;margin-left:auto}
.empty{text-align:center;padding:30px 12px} .empty-art{font-size:64px} .empty h2{margin:8px 0} .empty p{color:var(--mute)}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.tile{background:var(--card);border-radius:var(--r);padding:16px 14px;text-decoration:none;color:var(--ink);display:flex;flex-direction:column;gap:4px;min-height:132px;box-shadow:0 1px 2px rgba(0,0,0,.05);border:2px solid transparent}
.tile:active{border-color:var(--teal)}
.tile-icon{font-size:34px} .tile b{font-size:17px} .tile small{color:var(--mute);font-size:13px}
.item-card{display:flex;align-items:center;gap:12px;padding:14px;text-decoration:none;color:var(--ink);min-height:68px}
.chev{font-size:28px;color:#9aa8a4}
.dot{width:14px;height:14px;border-radius:50%;background:var(--green);flex:none} .dot.overdue{background:var(--red)} .dot.soon{background:var(--amber)}
.form label,.sheet label{display:block;font-weight:600;font-size:15px;margin:12px 0 0}
input,select,textarea{display:block;width:100%;margin-top:6px;font:inherit;font-size:17px;padding:12px 14px;border:1.5px solid var(--line);border-radius:12px;background:#fff;color:var(--ink);min-height:50px}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px var(--teal-l)}
.form h3,.sheet h3{margin:22px 0 4px;font-size:18px}
.note{background:var(--amber-l);border-radius:12px;padding:10px 12px;font-size:14px;margin:8px 0}
.note.small{font-size:13px;background:transparent;padding:4px 0;color:var(--mute)}
label.check,label.radio{display:flex !important;gap:12px;align-items:flex-start;background:#fff;border:1.5px solid var(--line);border-radius:12px;padding:12px;margin:8px 0 !important;font-weight:400 !important;min-height:56px}
label.check input,label.radio input{width:24px;height:24px;min-height:0;margin:2px 0 0;flex:none;accent-color:var(--teal)}
label.check span,label.radio span{display:flex;flex-direction:column} label.check small,label.radio small{color:var(--mute);font-size:13px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.usage{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px}
.usage div{display:flex;flex-direction:column} .usage b{font-size:24px} .usage small{color:var(--mute);font-size:13px}
.task{padding:14px 14px 12px;border-left:6px solid var(--green)} .task.overdue{border-left-color:var(--red)} .task.soon{border-left-color:var(--amber)}
.task.flash{animation:flash 1.6s ease}
@keyframes flash{0%,40%{box-shadow:0 0 0 4px var(--teal-l)}100%{box-shadow:0 1px 2px rgba(0,0,0,.05)}}
.task-head{display:flex;justify-content:space-between;gap:8px;align-items:flex-start}
.pill{flex:none;font-size:12px;font-weight:700;padding:4px 10px;border-radius:99px}
.pill.overdue{background:var(--red-l);color:var(--red)} .pill.soon{background:var(--amber-l);color:#92400e} .pill.ok{background:var(--green-l);color:#166534}
.part{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:10px;padding-top:10px;border-top:1px solid var(--line);font-size:15px}
.part.muted{color:var(--mute);font-size:14px}
.task-actions{display:grid;grid-template-columns:2fr 1fr;gap:8px;margin-top:12px}
.hist{background:#fff;border-radius:12px;padding:10px 14px;margin:6px 0;font-size:15px}
section.card{padding:6px 16px 12px;margin:12px 0} section.card h2{font-size:19px;margin:12px 0 4px}
.help summary{font-weight:650;color:var(--teal);padding:10px 0;min-height:44px;cursor:pointer}
.help p{font-size:15px}
.kbd{display:inline-block;border:1px solid var(--line);border-radius:6px;padding:0 6px;background:#f8faf9}
.file-btn{cursor:pointer}
.tabbar{position:fixed;left:0;right:0;bottom:0;display:grid;grid-template-columns:repeat(4,1fr);background:rgba(255,255,255,.97);border-top:1px solid var(--line);padding-bottom:var(--safe-b);z-index:10;backdrop-filter:blur(8px)}
.tabbar a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:62px;text-decoration:none;color:var(--mute);font-size:12px;font-weight:600}
.tabbar a span{font-size:22px;line-height:1}
.tabbar a.active{color:var(--teal)}
.tabbar a.add span{background:var(--teal);color:#fff;border-radius:50%;width:34px;height:34px;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700}
#sheet{position:fixed;inset:0;z-index:20}
.sheet-bg{position:absolute;inset:0;background:rgba(10,20,18,.45)}
.sheet{position:absolute;left:0;right:0;bottom:0;max-height:92vh;overflow:auto;background:var(--bg);border-radius:22px 22px 0 0;padding:0 16px calc(20px + var(--safe-b));max-width:640px;margin:0 auto;animation:up .2s ease}
@keyframes up{from{transform:translateY(40px);opacity:.4}to{transform:none;opacity:1}}
.sheet-head{position:sticky;top:0;background:var(--bg);display:flex;align-items:center;justify-content:space-between;padding:16px 0 6px;z-index:1}
.sheet-head h2{margin:0;font-size:20px;padding-right:8px}
.x{border:0;background:#e3e9e7;border-radius:50%;width:40px;height:40px;font-size:18px;flex:none}
#toast{position:fixed;left:50%;bottom:calc(84px + var(--safe-b));transform:translate(-50%,20px);background:#1f2d2a;color:#fff;padding:12px 18px;border-radius:12px;opacity:0;pointer-events:none;transition:.25s;z-index:30;font-size:15px;max-width:90vw}
#toast.show{opacity:1;transform:translate(-50%,0)}
.form-err{color:#b42318;font-weight:600;min-height:1em;margin:4px 0}
.code-box{font:700 22px/1.4 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:1px;text-align:center;background:#fff;border:2px dashed #0f766e;border-radius:12px;padding:14px;user-select:all;-webkit-user-select:all;word-break:break-all}
.btn:disabled{opacity:.6}
.hint{display:block;color:#5b6b67;font-size:13px;font-weight:400;margin-top:4px}
.radios{border:0;padding:0;margin:8px 0}
.radios legend{font-weight:600;margin-bottom:6px}
.radios label{display:flex;gap:10px;align-items:center;font-weight:400;padding:8px 0}
.radios input{width:22px;height:22px;flex:none}
ul.sched{list-style:none;padding:0;margin:8px 0 16px}
ul.sched li{background:#fff;border-radius:12px;padding:10px 12px;margin:6px 0;display:flex;flex-direction:column;gap:2px;box-shadow:0 1px 2px rgba(0,0,0,.05)}
ul.sched small{color:#5b6b67}
ul.sched .src{color:#0f766e}
ul.sched .gen{color:#8a6d1a;font-style:italic}
.row-sub.small{font-size:13px}
optgroup{font-weight:700}