:root{
  --bg:#F4F7FA;
  --card:#FFFFFF;
  --ink:#0F1620;
  --muted:#6E7A8B;
  --faint:#9AA5B4;
  --line:#E5EAF1;
  --accent:#3B7DD8;
  --accent-ink:#2A63B4;
  --accent-soft:#EEF4FD;
  --green:#2E9E6B;
  --green-soft:#EAF6EF;
  --danger:#C4453D;
  --r:18px;
  --shadow:0 1px 2px rgba(16,24,40,.04), 0 8px 24px rgba(16,24,40,.05);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  background:var(--bg);
  color:var(--ink);
  font:16px/1.5 -apple-system,BlinkMacSystemFont,"SF Pro TC","PingFang HK","Noto Sans TC","Microsoft JhengHei",sans-serif;
  -webkit-font-smoothing:antialiased;
  overscroll-behavior-y:none;
}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
input,textarea{font:inherit;color:inherit}
::placeholder{color:#6E7A8B;opacity:1}
[hidden]{display:none!important}

/* ---------- login ---------- */
.login{min-height:100dvh;display:grid;place-items:center;padding:24px;
  background:radial-gradient(120% 80% at 50% 0%, #E8F1FC 0%, var(--bg) 58%)}
.login-card{width:100%;max-width:360px;text-align:center}
.mark{width:64px;height:64px;margin:0 auto 18px;border-radius:20px;
  background:linear-gradient(160deg,#4E8BE0,#2F6BC4);color:#fff;
  display:grid;place-items:center;font-size:30px;font-weight:600;
  box-shadow:0 10px 30px rgba(59,125,216,.28)}
.login h1{margin:0;font-size:28px;letter-spacing:.02em}
.login .sub{margin:6px 0 28px;color:var(--muted);font-size:14px}
.login form{display:grid;gap:12px}
#code{height:52px;border-radius:14px;border:1px solid var(--line);background:#fff;
  text-align:center;font-size:20px;letter-spacing:.35em;padding-left:.35em}
#code:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft)}
.primary{height:50px;border-radius:14px;background:var(--accent);color:#fff;font-weight:600;
  font-size:16px;transition:transform .12s ease,background .12s ease}
.primary:active{transform:scale(.98);background:var(--accent-ink)}
.primary:disabled{opacity:.5}
.err{color:var(--danger);font-size:14px;margin:2px 0 0}

/* ---------- shell ---------- */
.topbar{position:sticky;top:0;z-index:30;padding-top:env(safe-area-inset-top);
  background:rgba(244,247,250,.86);backdrop-filter:saturate(180%) blur(18px);
  -webkit-backdrop-filter:saturate(180%) blur(18px);border-bottom:1px solid transparent;
  transition:border-color .2s ease}
.topbar.scrolled{border-bottom-color:var(--line)}
.bar{max-width:680px;margin:0 auto;height:56px;display:flex;align-items:center;gap:12px;padding:0 18px}
.brand{font-weight:650;letter-spacing:.02em;font-size:16px}
.tabs{display:flex;gap:2px;margin-left:auto;background:#E9EEF5;border-radius:11px;padding:3px}
.tab{padding:5px 13px;border-radius:8px;font-size:13.5px;color:var(--muted);font-weight:500}
.tab.on{background:#fff;color:var(--ink);box-shadow:0 1px 2px rgba(16,24,40,.08)}
.icon{width:34px;height:34px;border-radius:10px;color:var(--muted);font-size:20px;line-height:1;
  display:grid;place-items:center}
.icon:active{background:#E9EEF5}

.wrap{max-width:680px;margin:0 auto;padding:10px 18px calc(112px + env(safe-area-inset-bottom))}

.datebar{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin:12px 0 18px}
.dateblock{min-width:0}
.eyebrow{margin:0 0 3px;font-size:12.5px;color:var(--muted);letter-spacing:.05em}
.datebar h2{margin:0;font-size:29px;font-weight:650;letter-spacing:-.015em;line-height:1.15}
.status{margin:4px 0 0;font-size:13px;color:#65717F}
.dateacts{display:flex;gap:8px;align-items:center;flex:0 0 auto}
.copy{white-space:nowrap;flex:0 0 auto;font-size:13px;color:var(--accent);font-weight:600;
  padding:8px 12px;border-radius:10px;background:var(--accent-soft)}
.copy:active{background:#E2EDFC}

/* ---------- note ---------- */
.note-card{position:relative;background:linear-gradient(180deg,#FFFDF7,#FFF9EC);
  border:1px solid #F0E4C8;border-radius:var(--r);padding:16px 16px 14px;margin-bottom:16px}
.note-card p{margin:0;font-size:14.5px;line-height:1.85;color:#5B4A2A;line-break:strict}
.note-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:7px}
.note-head span{font-size:11.5px;letter-spacing:.08em;color:#B39456}
.note-edit{font-size:12px;color:#8A6D34;padding:4px 10px;border-radius:8px;
  background:rgba(255,255,255,.72);border:1px solid #EFE1C2}

/* ---------- prayed ---------- */
.prayed{background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  padding:14px 14px 12px;margin-bottom:14px;box-shadow:var(--shadow)}
.prayed-head{display:flex;justify-content:space-between;align-items:baseline;
  font-size:13.5px;color:var(--muted);margin-bottom:10px}
.prayed-head .count{font-variant-numeric:tabular-nums;color:var(--ink);font-weight:600}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{height:32px;padding:0 13px;border-radius:20px;border:1px solid var(--line);
  background:#fff;font-size:13.5px;color:#3A4657;display:inline-flex;align-items:center;gap:5px;
  transition:background .12s ease,border-color .12s ease,color .12s ease}
.chip.on{background:var(--accent-soft);border-color:#CFE0F9;color:var(--accent-ink);font-weight:600}
.chip.on::before{content:"✓";font-size:11px;font-weight:700}
.chip.mine{box-shadow:0 0 0 2px rgba(59,125,216,.22)}
.hint-line{margin:11px 0 0;font-size:13px;line-height:1.6;color:#6E7A8B}
.chip[disabled]{opacity:1}
.chip:active{transform:scale(.97)}
.chip .x{color:#B6BFCB;font-size:15px;line-height:1;padding-left:2px}

/* ---------- items ---------- */
.list{display:grid;gap:10px}
.item{background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  padding:16px 17px 13px;box-shadow:var(--shadow);display:block;cursor:pointer;
  transition:transform .12s ease,box-shadow .12s ease}
.item:active{transform:scale(.995);box-shadow:0 1px 2px rgba(16,24,40,.05)}
.item.enter{animation:in .22s ease both}
@keyframes in{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.item .text{margin:0;font-size:16px;line-height:1.82;letter-spacing:.005em;white-space:pre-wrap;
  word-break:break-word;line-break:strict}
.meta{display:flex;gap:8px;align-items:center;margin-top:8px;flex-wrap:wrap}
.who{font-size:12px;color:var(--accent-ink);background:var(--accent-soft);
  padding:2px 8px;border-radius:7px}
.carried{font-size:11.5px;color:var(--faint)}
.edit-hint{font-size:11.5px;color:#7E8A9A;margin-left:auto}

/* ---------- amen ---------- */
.amen{width:100%;margin:16px 0 4px;padding:26px 20px 24px;border-radius:22px;display:grid;
  gap:7px;justify-items:center;background:linear-gradient(180deg,#FFFFFF,#F6FAFF);
  border:1px solid #DBE7F8;box-shadow:0 10px 28px rgba(59,125,216,.10);
  transition:transform .12s ease,box-shadow .12s ease}
.amen:active{transform:scale(.99);box-shadow:0 4px 14px rgba(59,125,216,.10)}
.amen-word{font-size:27px;font-weight:650;letter-spacing:.34em;padding-left:.34em;color:var(--accent-ink)}
.amen-sub{font-size:12.5px;color:var(--muted);letter-spacing:.02em}
.amen.done{background:linear-gradient(180deg,#F7FCF9,#EDF8F1);border-color:#CFE9DA;
  box-shadow:0 6px 18px rgba(46,158,107,.10)}
.amen.done .amen-word{color:var(--green)}
.amen.done .amen-word::before{content:"✓";font-size:22px;letter-spacing:0;margin-right:6px}

/* ---------- answered ---------- */
.answered-toggle{width:100%;display:flex;align-items:center;justify-content:space-between;
  margin:18px 0 10px;padding:12px 4px;font-size:13.5px;color:var(--muted)}
.answered-toggle .chev{transition:transform .18s ease;font-size:18px}
.answered-toggle.open .chev{transform:rotate(90deg)}

.foot{margin:26px 0 0;text-align:center;font-size:12px;color:var(--faint)}
.empty{text-align:center;padding:38px 10px;color:var(--muted);font-size:14.5px;line-height:1.9}
.empty .big{display:block;font-size:26px;margin-bottom:8px;opacity:.5}

/* ---------- fab ---------- */
.bottombar{position:fixed;left:0;right:0;bottom:0;z-index:25;
  padding:10px 18px calc(10px + env(safe-area-inset-bottom));
  background:rgba(255,255,255,.9);backdrop-filter:saturate(180%) blur(18px);
  -webkit-backdrop-filter:saturate(180%) blur(18px);border-top:1px solid var(--line)}
.addbtn{display:block;width:100%;max-width:644px;margin:0 auto;height:50px;border-radius:15px;
  background:var(--accent);color:#fff;font-size:15.5px;font-weight:600;letter-spacing:.02em;
  box-shadow:0 6px 18px rgba(59,125,216,.24);transition:transform .12s ease,background .12s ease}
.addbtn:active{transform:scale(.985);background:var(--accent-ink)}

/* ---------- history ---------- */
.hist-title{font-size:13px;color:var(--muted);font-weight:500;margin:18px 0 10px;letter-spacing:.04em}
.hist-list{display:grid;gap:10px}
.hist-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  padding:15px 16px;display:flex;align-items:center;gap:12px;box-shadow:var(--shadow);text-align:left;width:100%}
.hist-item .d{font-weight:600;font-size:15px}
.hist-item .s{font-size:12.5px;color:var(--muted);margin-top:3px}
.hist-item .n{margin-left:auto;font-size:12.5px;color:var(--faint)}
.hist-item .chev{font-size:22px;line-height:1;color:#C3CBD6;margin-left:10px}

/* ---------- sheet ---------- */
.sheet{position:fixed;inset:0;z-index:60;display:flex;align-items:flex-end;justify-content:center}
.sheet-backdrop{position:absolute;inset:0;background:rgba(12,20,32,.34);
  backdrop-filter:blur(2px);animation:fade .2s ease both}
@keyframes fade{from{opacity:0}to{opacity:1}}
.sheet-card{position:relative;width:100%;max-width:680px;background:#fff;
  border-radius:24px 24px 0 0;padding:10px 18px calc(20px + env(safe-area-inset-bottom));
  box-shadow:0 -10px 40px rgba(12,20,32,.16);animation:up .26s cubic-bezier(.2,.9,.3,1) both;
  max-height:88dvh;overflow:auto}
@keyframes up{from{transform:translateY(100%)}to{transform:none}}
.sheet-grip{width:38px;height:5px;border-radius:3px;background:#DFE5EC;margin:2px auto 14px}
.sheet-card h2{font-size:18px;margin:0 0 14px;font-weight:650}
.hint{font-size:13px;color:var(--muted);margin:-6px 0 12px}
#sheetText{width:100%;border:1px solid var(--line);border-radius:14px;padding:13px 14px;
  font-size:16px;line-height:1.7;resize:none;min-height:132px;background:#FCFDFE}
#sheetText:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft);background:#fff}
#sheetPerson,#newMember,#whoInput{width:100%;height:46px;margin-top:12px;border:1px solid var(--line);
  border-radius:12px;padding:0 13px;background:#FCFDFE;font-size:15px}
#sheetPerson:focus,#newMember:focus,#whoInput:focus{outline:none;border-color:var(--accent);background:#fff}
.sheet-row{display:flex;gap:10px;align-items:center;justify-content:flex-end;margin-top:16px}
.sheet-row .primary{flex:1;max-width:none}
.sheet-row .primary:only-child{max-width:none}
.primary:disabled{opacity:.45}
.ghost{height:50px;padding:0 18px;border-radius:14px;background:#F1F4F8;color:#3A4657;font-weight:600;font-size:15px}
.ghost.danger{color:var(--danger);background:#FDF1F0}
.members{display:grid;gap:2px;margin:4px 0 10px}
.member-row{display:flex;align-items:center;justify-content:space-between;padding:10px 2px;
  border-bottom:1px solid #F1F4F8;font-size:15px}
.member-row .x{color:#B6BFCB;font-size:18px;padding:0 8px}
.add-member{display:flex;gap:8px;align-items:center}
.add-member input{margin-top:0;flex:1}
.add-member .ghost{height:46px;flex:0 0 auto}

/* ---------- toast ---------- */
.toast{position:fixed;left:50%;bottom:calc(92px + env(safe-area-inset-bottom));
  transform:translateX(-50%);background:rgba(15,22,32,.92);color:#fff;font-size:13.5px;
  padding:10px 16px;border-radius:12px;z-index:80;animation:fade .18s ease both;max-width:80vw;text-align:center}

@media (min-width:720px){
  .datebar h2{font-size:27px}
  .item .text{font-size:16.5px}
  .sheet-card{border-radius:24px;margin-bottom:40px;max-width:600px}
  .sheet{align-items:center}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}