:root{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Hiragino Sans","Noto Sans JP",sans-serif;
  color:#1d1d1f;background:#f5f5f3;--card:#fff;--line:#e6e6e1;--muted:#777;
  --accent:#285f55;--accent2:#e6f0ed;
}
*{box-sizing:border-box} body{margin:0;background:#f5f5f3}
button,input,textarea{font:inherit}
button{cursor:pointer}
#app{max-width:860px;margin:auto;padding:20px 18px 92px}
.topbar{display:flex;justify-content:space-between;align-items:flex-start;padding:10px 2px 22px}
h1{margin:3px 0 0;font-size:32px;letter-spacing:-1px} h2{margin:0;font-size:24px}
.eyebrow{font-size:10px;letter-spacing:1.4px;color:#8a8a85}
.top-actions{display:flex;gap:6px;align-items:center}
.card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:20px;margin-bottom:14px;box-shadow:0 4px 18px rgba(0,0,0,.025)}
.hero{padding:26px}.encouragement{font-size:21px;line-height:1.5;margin:8px 0 20px}
.primary,.secondary,.ghost{border:0;border-radius:13px;padding:11px 15px}
.primary{background:var(--accent);color:white}.secondary{background:var(--accent2);color:var(--accent)}
.ghost{background:#efefec;color:#4b4b48}.large{width:100%;padding:15px;font-weight:700}
.small{padding:8px 10px;font-size:12px}.icon{width:38px;height:38px;padding:0}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}.metric{font-size:28px;font-weight:750;margin:7px 0}
.muted{color:var(--muted);font-size:13px}.card-title{font-weight:700}.card-title-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.view{display:none}.view.active{display:block}.section-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.list .row{padding:13px 3px;border-bottom:1px solid var(--line)}.list .row:last-child{border-bottom:0}
.row-title{font-weight:700}.row-meta{font-size:12px;color:var(--muted);margin-top:4px}.row-body{font-size:14px;margin-top:7px;line-height:1.5}
.empty{color:var(--muted)}
label{display:block;font-size:13px;color:#555;margin:13px 0}
input,textarea{width:100%;border:1px solid #d9d9d4;background:#fbfbfa;border-radius:12px;padding:12px;margin-top:6px;outline:none}
input:focus,textarea:focus{border-color:#9ab7af;box-shadow:0 0 0 3px rgba(40,95,85,.08)}
.formgrid{margin-top:2px}.required{color:#a24c45;font-size:11px}
.score-row{display:flex;gap:7px;flex-wrap:wrap;margin-top:7px}.score-row button{border:1px solid var(--line);background:white;border-radius:10px;padding:9px 12px}
.score-row button.active{background:var(--accent);color:#fff;border-color:var(--accent)}
.actions{display:flex;gap:10px;margin-top:16px}.actions button{flex:1}
.message{font-size:13px;margin-top:12px}.message.error{color:#a23f38}.message.ok{color:#2b6b50}
.timer{border:1px solid var(--line);border-radius:16px;padding:14px;margin:10px 0}
.timer-head,.timer-actions{display:flex;align-items:center;justify-content:space-between;gap:10px}.timer-name{border:0;background:transparent;font-weight:700;padding:4px;margin:0}
.timer-time{font-variant-numeric:tabular-nums;font-size:30px;font-weight:750;margin:12px 0}
.timer-actions button{flex:1}
.filters{display:flex;gap:8px}.filters input{margin:0}.map-placeholder{min-height:260px;display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap}
.map-placeholder span{background:var(--accent2);color:var(--accent);padding:15px 18px;border-radius:999px;font-weight:700}.map-placeholder i{color:#999}
.bottomnav{position:fixed;left:50%;transform:translateX(-50%);bottom:0;width:min(860px,100%);display:grid;grid-template-columns:repeat(4,1fr);background:rgba(250,250,248,.92);backdrop-filter:blur(18px);border-top:1px solid var(--line);padding:8px 12px calc(8px + env(safe-area-inset-bottom))}
.navbtn{border:0;background:transparent;padding:10px;color:#777}.navbtn.active{color:var(--accent);font-weight:700}
@media(max-width:600px){#app{padding-left:12px;padding-right:12px}.grid2{gap:9px}.card{border-radius:17px;padding:17px}.encouragement{font-size:18px}}


/* ===== Study Log v8 mobile UI ===== */
html,body{min-height:100%;overflow-x:hidden}
body{
  padding-top:env(safe-area-inset-top);
  -webkit-text-size-adjust:100%;
}
#app{
  width:100%;
  padding-bottom:calc(100px + env(safe-area-inset-bottom));
}
.topbar{
  position:relative;
  min-width:0;
}
.top-actions{flex-shrink:0}
#dbStatus{white-space:nowrap}
.record-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  padding:15px;
  margin:10px 0;
  overflow:hidden;
}
.record-card-head{display:flex;justify-content:space-between;gap:12px}
.record-topic{font-size:16px;font-weight:750;line-height:1.35;overflow-wrap:anywhere}
.record-meta{font-size:12px;color:var(--muted);margin-top:4px;line-height:1.5}
.record-section{margin-top:12px;min-width:0}
.record-section>span{
  display:inline-block;
  font-size:10px;
  color:#66716e;
  background:#eef3f1;
  padding:3px 7px;
  border-radius:999px;
  margin-bottom:5px;
}
.record-section.unclear>span{background:#f4efec;color:#7b5c52}
.record-section p{
  margin:0;
  font-size:14px;
  line-height:1.6;
  overflow-wrap:anywhere;
  word-break:break-word;
}
.record-detail{margin-top:10px}
.view-switch{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:5px;
  margin:12px 0 14px;
  padding:4px;
  background:#efefec;
  border-radius:13px;
}
.view-switch button{
  border:0;
  border-radius:10px;
  padding:9px 4px;
  background:transparent;
  color:#6a6a66;
  font-size:12px;
}
.view-switch button.active{
  background:#fff;
  color:var(--accent);
  font-weight:700;
  box-shadow:0 1px 5px rgba(0,0,0,.06);
}
.record-group{margin:18px 0}
.record-group-head{
  display:flex;justify-content:space-between;align-items:center;
  font-size:13px;color:#555;padding:0 3px 4px;
}
.summary-card{
  background:#fff;border:1px solid var(--line);
  border-radius:16px;padding:15px;margin:10px 0;
}
.summary-title{font-weight:750;overflow-wrap:anywhere}
.summary-metrics{display:flex;gap:8px;flex-wrap:wrap;margin:9px 0 2px}
.summary-metrics span{
  background:#f1f2ef;border-radius:999px;padding:5px 9px;font-size:12px;
}
.score-summary-row{
  display:grid;grid-template-columns:68px 1fr 42px;gap:9px;align-items:center;
  padding:10px 0;border-bottom:1px solid var(--line);font-size:12px;
}
.score-summary-track{height:8px;border-radius:999px;background:#ecece8;overflow:hidden}
.score-summary-track i{display:block;height:100%;background:var(--accent);border-radius:999px}
.empty-state{color:var(--muted);padding:28px 8px;text-align:center;font-size:13px}
.app-modal{
  display:none;position:fixed;inset:0;z-index:10000;
  background:rgba(0,0,0,.28);backdrop-filter:blur(5px);
  align-items:flex-end;justify-content:center;padding:18px;
  padding-bottom:calc(18px + env(safe-area-inset-bottom));
}
.app-modal-card{
  width:min(520px,100%);max-height:80vh;overflow:auto;
  background:#fff;border:1px solid var(--line);border-radius:22px;
  padding:18px;box-shadow:0 18px 60px rgba(0,0,0,.18);
}
.app-modal-head{display:flex;align-items:center;justify-content:space-between;gap:10px}
.app-modal-head h3{margin:0;font-size:19px}
.app-modal-body{margin-top:14px;line-height:1.6;font-size:14px;overflow-wrap:anywhere}
.notice-item,.settings-block{padding:12px 0;border-bottom:1px solid var(--line)}
.notice-item:last-child,.settings-block:last-child{border-bottom:0}
.settings-label{font-size:11px;color:var(--muted);margin-bottom:3px}
.settings-actions{display:grid;gap:8px;margin-top:16px}
.preserve-text{white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-word;margin-top:6px}
.full-record-section{margin-top:16px}
#allRecords{min-width:0}
.filters{align-items:stretch}
.filters input{min-width:0}
.filters button{flex:0 0 auto}

@media(max-width:600px){
  #app{
    max-width:none;
    padding:10px 14px calc(96px + env(safe-area-inset-bottom));
  }
  .topbar{
    display:grid;
    grid-template-columns:minmax(0,1fr) auto;
    align-items:center;
    gap:8px;
    padding:8px 0 18px;
  }
  .topbar h1{font-size:30px;line-height:1.05;letter-spacing:-1.2px}
  .eyebrow{font-size:8px;letter-spacing:1.3px;white-space:nowrap}
  .top-actions{gap:4px}
  .top-actions .icon{width:34px;height:34px;font-size:15px}
  #dbStatus{font-size:10px;padding:8px 7px;max-width:92px;overflow:hidden;text-overflow:ellipsis}
  .section-head{margin:4px 0 12px}
  .section-head h2{font-size:25px}
  .card{padding:16px;margin-bottom:12px;border-radius:18px}
  .grid2.formgrid{
    grid-template-columns:1fr;
    align-items:stretch;
    gap:12px;
  }
  .grid2.formgrid > div{
    min-width:0;
  }
  input,textarea,select{font-size:16px;max-width:100%}
  .formgrid label,
  .formgrid input,
  .formgrid select,
  .formgrid textarea{
    width:100%;
    max-width:100%;
    box-sizing:border-box;
  }

  .bottomnav{
    width:100%;
    padding:7px 8px calc(7px + env(safe-area-inset-bottom));
  }
  .navbtn{font-size:13px;padding:9px 3px}
  .app-modal{padding-left:10px;padding-right:10px}
  .app-modal-card{border-radius:20px 20px 16px 16px}
}


/* ===== Study Log v11 Category templates ===== */
.category-cascade{
  display:grid;
  gap:8px;
  margin:12px 0 4px;
}
.category-cascade-title{
  font-size:14px;
  color:#52534f;
  margin-bottom:2px;
}
.category-cascade select:disabled{
  opacity:.5;
}
.category-pref-list{
  display:grid;
  gap:8px;
  margin-top:12px;
}
.category-pref-row{
  display:flex;
  align-items:center;
  gap:10px;
  padding:12px 10px;
  background:#f7f7f4;
  border:1px solid var(--line);
  border-radius:13px;
}
.category-pref-row input{
  width:20px;
  height:20px;
  flex:0 0 auto;
}
.category-pref-row span{
  font-size:15px;
  line-height:1.4;
}