:root{--bg:#f5f7fb;--panel:#fff;--text:#172033;--muted:#6b7280;--line:#e6e9ef;--accent:#4f46e5;--accentSoft:#eef2ff;--green:#16a34a;--greenSoft:#e9f9ee;--red:#dc2626;--shadow:0 10px 30px rgba(17,24,39,.07)}
@media (prefers-color-scheme:dark){:root{--bg:#0f1420;--panel:#171d2c;--text:#e8ecf5;--muted:#93a0b8;--line:#263047;--accent:#818cf8;--accentSoft:#232a45;--green:#4ade80;--greenSoft:#173324;--red:#f87171;--shadow:none}}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--text)}
.app{max-width:440px;margin:auto;padding:36px 18px 60px}
.app.wide{max-width:1050px}
.brand{font-weight:800;letter-spacing:-.03em;font-size:28px;text-align:center;margin-bottom:6px}
.brand span{color:var(--accent)}
.status{display:flex;align-items:center;justify-content:center;gap:8px;color:var(--muted);font-size:13px;margin-bottom:22px;text-align:center}
.dot{width:9px;height:9px;border-radius:50%;background:var(--muted);flex:none}
.dot.ok{background:var(--green)}.dot.bad{background:var(--red)}
label{display:block;font-size:12px;font-weight:700;color:var(--muted);margin:12px 0 5px;text-transform:uppercase;letter-spacing:.06em}
input{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:11px;background:var(--bg);color:var(--text);font-size:15px}
input:focus{outline:2px solid var(--accent);outline-offset:0;border-color:transparent}
.btn{width:100%;margin-top:18px;border:0;background:var(--accent);color:#fff;font-weight:800;font-size:14px;letter-spacing:.04em;padding:12px;border-radius:12px;cursor:pointer}
.btn:disabled{opacity:.55;cursor:not-allowed}
.msg{margin-top:14px;font-size:13px;line-height:1.45;min-height:18px}
.msg.err{color:var(--red)}.msg.ok{color:var(--green)}.msg.info{color:var(--muted)}
.hide{display:none!important}
.note{margin-top:22px;text-align:center;color:var(--muted);font-size:12px}

/* Sign-in screen */
.authScreen{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;padding:24px;
  background:radial-gradient(1100px 700px at 15% -10%,#ede9fe 0%,transparent 60%),
             radial-gradient(900px 600px at 110% 10%,#e0e7ff 0%,transparent 55%),
             linear-gradient(180deg,#fafafc,#f2f1fb 60%,#eceafc)}
@media (prefers-color-scheme:dark){
  .authScreen{background:radial-gradient(1100px 700px at 15% -10%,#1e2340 0%,transparent 60%),
             radial-gradient(900px 600px at 110% 10%,#241c3d 0%,transparent 55%),
             linear-gradient(180deg,#0f1420,#141a2c 60%,#171326)}
}
.authCard{width:min(420px,100%);background:rgba(255,255,255,.86);backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.6);border-radius:28px;padding:38px 34px;box-shadow:0 30px 80px rgba(79,70,229,.16),0 3px 10px rgba(15,23,42,.05)}
@media (prefers-color-scheme:dark){.authCard{background:rgba(23,29,44,.86);border-color:rgba(255,255,255,.08)}}
.authWordmark{font-weight:900;letter-spacing:-.04em;font-size:32px;text-align:center;color:var(--text)}
.authWordmark span{color:var(--accent)}
.authTagline{text-align:center;color:var(--muted);font-size:14px;margin:6px 0 28px}
.authTabs{display:flex;background:var(--bg);border-radius:12px;padding:4px;margin-bottom:22px}
.authTab{flex:1;border:0;background:transparent;padding:10px;border-radius:9px;font-weight:800;font-size:13px;color:var(--muted);cursor:pointer;transition:background .15s,color .15s,box-shadow .15s}
.authTab.active{background:var(--panel);color:var(--accent);box-shadow:0 3px 10px rgba(15,23,42,.08)}
.authField{margin-bottom:14px}
.authField label{display:block;font-size:12px;font-weight:800;color:var(--muted);margin-bottom:6px;text-transform:none;letter-spacing:normal}
.authField input{width:100%;border:1px solid var(--line);border-radius:13px;padding:13px 14px;font:inherit;background:var(--panel);color:var(--text);transition:border-color .15s,box-shadow .15s}
.authField input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px rgba(79,70,229,.12)}
.authSubmit{width:100%;border:0;border-radius:14px;padding:14px;background:linear-gradient(135deg,#6d5ef0,#4f46e5);color:#fff;font-weight:800;font-size:14px;cursor:pointer;box-shadow:0 14px 28px rgba(79,70,229,.3);margin-top:6px;transition:filter .15s,transform .1s}
.authSubmit:hover{filter:brightness(1.06)}
.authSubmit:active{transform:scale(.98)}
.authMsg{font-size:12.5px;text-align:center;margin-top:14px;min-height:16px}
.authMsg.ok{color:var(--green);font-weight:700}
.authMsg.err{color:var(--red);font-weight:700}
.authMsg.info{color:var(--muted)}

/* Today page */
.topbar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:18px;flex-wrap:wrap}
.topbar .brand{margin:0;text-align:left;font-size:24px}
.syncNote{width:100%;text-align:center;font-size:12px;font-weight:700;color:var(--muted);padding:6px 0;margin:-8px 0 4px}
.syncNote.off{color:#b45309}
.syncNote.hide{display:none!important}
.linkBtn{border:1px solid var(--line);background:var(--panel);color:var(--text);border-radius:11px;padding:8px 12px;font-weight:800;font-size:12px;letter-spacing:.04em;cursor:pointer}
.linkBtn:hover{border-color:var(--accent);color:var(--accent)}
.hero{background:var(--panel);border:1px solid var(--line);border-radius:22px;padding:24px 26px;box-shadow:var(--shadow);margin-bottom:18px}
.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:12px;font-weight:800;color:var(--accent)}
h1{font-size:30px;letter-spacing:-.04em;margin:5px 0 4px}
.sub{color:var(--muted);margin:0;font-size:14px}

.progressRow{display:flex;align-items:center;gap:22px;margin-top:18px;flex-wrap:wrap}
.ringBlock{display:flex;flex-direction:column;align-items:center;gap:8px;flex:none}
.ring{width:92px;height:92px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--accent) calc(var(--p)*1%),#edf0f5 0);position:relative;flex:none}
.ring:after{content:"";position:absolute;inset:8px;border-radius:50%;background:var(--panel)}
.ring b{position:relative;z-index:1;font-size:19px}
.progressText{text-align:center}
.progressText b{font-size:16px;display:block}
.progressText div{color:var(--muted);font-size:12px;margin-top:1px}
@media (prefers-color-scheme:dark){.ring{background:conic-gradient(var(--accent) calc(var(--p)*1%),#232a45 0)}}

.monthlyChart{flex:1;min-width:220px;border-left:1px solid var(--line);padding-left:22px}
.chartHead{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px;gap:8px;flex-wrap:wrap}
.chartTitle{font-size:13px;font-weight:800}
.chartSub{font-size:11px;color:var(--muted)}
.chartWrap{height:120px;width:100%;position:relative}
.chartSvg{width:100%;height:100%;display:block}
.chartGrid{stroke:var(--line);stroke-width:1;stroke-dasharray:4 3}
.chartGuide{stroke:var(--muted);stroke-width:1;stroke-dasharray:3 3;opacity:0;pointer-events:none;transition:opacity .1s}
.chartLine{fill:none;stroke:var(--accent);stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round}
.chartPoint{fill:var(--accent);stroke:var(--panel);stroke-width:2}
.chartHover{fill:transparent;cursor:pointer}
.chartLabel{font-size:10px;fill:var(--muted)}
.chartEmpty{font-size:12px;fill:var(--muted)}
.chartTooltip{position:absolute;display:none;pointer-events:none;background:var(--panel);color:var(--text);padding:9px 11px;border-radius:11px;font-size:11px;line-height:1.3;white-space:nowrap;box-shadow:var(--shadow);border:1px solid var(--line);z-index:4;transform:translate(-50%,-118%)}
.chartTooltip .tipHeader{font-weight:800;margin-bottom:4px}
.chartTooltip .tipValue{display:flex;align-items:center;gap:6px;font-weight:800}
.chartTooltip .tipDot{width:7px;height:7px;border-radius:50%;background:var(--accent);flex:none}
.chartTooltip .tipSub{color:var(--muted);font-weight:600;margin-top:2px}

.group{margin:18px 0}
.groupTitle{font-size:12px;text-transform:uppercase;letter-spacing:.11em;color:var(--muted);font-weight:800;margin:0 0 8px 4px}
.habit{display:flex;align-items:center;justify-content:space-between;gap:18px;background:var(--panel);border:1px solid var(--line);padding:16px 18px;border-radius:16px;margin:8px 0;transition:.15s}
.habit:hover{transform:translateY(-1px);box-shadow:0 7px 20px rgba(17,24,39,.05)}
.habitName{font-weight:700}
.meta{font-size:12px;color:var(--muted);margin-top:4px}
.toggle{width:76px;height:38px;border:0;border-radius:999px;cursor:pointer;position:relative;background:#e9edf2;transition:.18s;flex:none}
.toggle:before{content:"";width:30px;height:30px;background:#fff;border-radius:50%;position:absolute;top:4px;left:4px;box-shadow:0 2px 5px rgba(0,0,0,.18);transition:.18s}
.toggle.on{background:var(--green)}
.toggle.on:before{left:42px}
.toggle span{font-size:10px;font-weight:800;color:#64748b;position:absolute;right:8px;top:12px}
.toggle.on span{left:9px;right:auto;color:#fff}
.toggle:disabled{opacity:.6;cursor:not-allowed}
.empty{color:var(--muted);text-align:center;padding:30px 10px;font-size:14px}
.moreLink{display:block;width:100%;text-align:left;background:transparent;border:0;color:var(--muted);font-size:13px;font-weight:700;cursor:pointer;padding:8px 4px;margin-top:2px}
.moreLink:hover{color:var(--accent)}

@media(max-width:480px){
  .hero{padding:18px}
  .progressRow{gap:14px}
  .ring{width:64px;height:64px}
  .ring b{font-size:14px}
  .progressText b{font-size:15px}
  .progressText div{font-size:11px;line-height:1.25}
  .monthlyChart{padding-left:14px;min-width:0}
  .chartWrap{height:100px}
  .chartTitle{font-size:11px}
  .chartSub{font-size:9px}
  .chartLabel{font-size:8px}
  .chartHead{flex-wrap:wrap;row-gap:2px}
  .topbar{flex-direction:column;align-items:stretch;row-gap:12px}
  .topbar > div{width:100%;justify-content:space-between}
  h1{font-size:22px;margin:4px 0 3px}
  .eyebrow{font-size:11px}
  .sub{font-size:13px}
  .brand{font-size:19px}
  .linkBtn{padding:6px 8px;font-size:11px;border-radius:9px}
}

.manageRow{display:flex;align-items:center;justify-content:space-between;gap:14px;border:1px solid var(--line);border-radius:14px;padding:13px 14px;background:var(--panel)}
.manageInfo b{display:block;font-size:15px}
.manageInfo small{color:var(--muted);font-size:12px}
.manageRow.isInactive{opacity:.6}
.manageRowActions{display:flex;align-items:center;gap:8px}
.statusBtn{border:1px solid var(--line);background:var(--panel);color:var(--text);border-radius:10px;padding:8px 10px;font-weight:800;cursor:pointer;min-width:88px;transition:filter .15s}
.statusBtn:hover{filter:brightness(.97)}
.statusBtn.inactive{color:var(--red)}
.statusBtn.active{color:var(--green)}
.editBtn{border:1px solid var(--line);background:var(--panel);border-radius:10px;padding:8px 12px;font-weight:800;cursor:pointer;color:var(--text);transition:background .15s,border-color .15s}
.editBtn:hover{background:var(--accentSoft);border-color:var(--accent);color:var(--accent)}
@media(max-width:480px){
  .manageRow{flex-direction:column;align-items:stretch;gap:10px}
  .manageRowActions{justify-content:flex-start}
  .statusBtn{min-width:0;flex:1}
  .editBtn{flex:1}
}

.formGrid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
.field label{font-size:12px;font-weight:800;color:var(--muted)}
.field input,.field select{width:100%;border:1px solid var(--line);border-radius:11px;padding:11px 12px;background:var(--panel);color:var(--text);font:inherit}
.field input:focus,.field select:focus{outline:2px solid var(--accent);outline-offset:0;border-color:transparent}
.customDivision{display:none;margin-top:8px}
.customDivision.show{display:block}
.modalActions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}
.secondary{border:1px solid var(--line);background:var(--panel);color:var(--text);border-radius:11px;padding:11px 15px;font-weight:800;cursor:pointer;transition:background .15s}
.secondary:hover{background:var(--bg)}
.primary{border:0;background:var(--accent);color:#fff;border-radius:11px;padding:11px 15px;font-weight:800;cursor:pointer}
.primary:disabled{opacity:.55;cursor:not-allowed}
@media(max-width:650px){.formGrid{grid-template-columns:1fr}.field.full{grid-column:auto}}

.dayPickerHead{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.everyDayToggle{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--text);cursor:pointer;user-select:none}
.everyDaySwitch{width:38px;height:22px;border:0;border-radius:999px;background:#e9edf2;position:relative;cursor:pointer;flex:none;transition:.15s}
.everyDaySwitch:before{content:"";width:16px;height:16px;background:#fff;border-radius:50%;position:absolute;top:3px;left:3px;box-shadow:0 1px 3px rgba(0,0,0,.2);transition:.15s}
.everyDaySwitch.on{background:var(--accent)}
.everyDaySwitch.on:before{left:19px}
.dayChips{display:flex;gap:6px;flex-wrap:wrap;margin-top:10px}
.dayChip{border:1px solid var(--line);background:var(--panel);color:var(--text);border-radius:10px;padding:8px 0;font-weight:800;font-size:12px;cursor:pointer;width:42px;text-align:center;transition:.15s}
.dayChip:hover{border-color:var(--accent)}
.dayChip.on{background:var(--accent);border-color:var(--accent);color:#fff}
.dayChip:disabled{opacity:.45;cursor:not-allowed}
.weeklyReadout{font-size:12px;color:var(--muted);margin-top:6px}
.timeRange{display:flex;align-items:center;gap:10px}
.timeRange input{width:auto;flex:1}
.timeRange span{color:var(--muted);font-weight:700}

.modal{position:fixed;inset:0;background:rgba(15,23,42,.42);display:none;align-items:center;justify-content:center;padding:20px;z-index:20}
.modal.open{display:flex}
.modalCard{width:min(680px,100%);max-height:90vh;overflow:auto;background:var(--panel);border-radius:22px;border:1px solid var(--line);box-shadow:0 25px 70px rgba(15,23,42,.28);padding:24px;position:relative}
.modalHead{display:flex;justify-content:space-between;align-items:flex-start;gap:15px;margin-bottom:18px;position:sticky;top:-24px;background:var(--panel);padding-top:2px;padding-bottom:12px;z-index:2}
.modalHead h2{margin:0;font-size:22px}
.eyebrow2{text-transform:uppercase;letter-spacing:.12em;font-size:12px;font-weight:800;color:var(--accent)}
.close{border:0;background:var(--bg);color:var(--text);border-radius:9px;width:34px;height:34px;cursor:pointer;font-size:18px;transition:background .15s;flex:none}
.close:hover{background:var(--line)}
.manageList{display:grid;gap:10px}
.addFab{position:absolute;right:18px;bottom:14px;z-index:5;width:150px;border:0;border-radius:14px;padding:12px 18px;background:var(--accent);color:#fff;font-weight:800;font-size:13px;cursor:pointer;box-shadow:0 10px 22px rgba(79,70,229,.24);white-space:nowrap;transition:filter .15s,transform .1s}
.addFab:hover{filter:brightness(1.08)}
.addFab:active{transform:scale(.97)}

.noteRow{border:1px solid var(--line);border-radius:14px;padding:13px 16px;margin-bottom:9px;background:var(--panel);cursor:pointer;transition:background .15s,border-color .15s}
.noteRow:hover{background:var(--accentSoft);border-color:var(--accent)}
.noteRowTitle{font-weight:800;display:flex;justify-content:space-between;gap:10px;align-items:baseline}
.noteRowTitle small{font-weight:600;color:var(--muted);font-size:11px;white-space:nowrap}
.noteRowPreview{color:var(--muted);font-size:13px;margin-top:4px;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.notesBtn{border:1px solid var(--line);background:var(--panel);border-radius:10px;padding:8px 12px;font-weight:800;cursor:pointer;color:var(--text);transition:background .15s,border-color .15s}
.notesBtn:hover{background:var(--accentSoft);border-color:var(--accent);color:var(--accent)}
.noteEditorBack{border:0;background:transparent;color:var(--accent);font-weight:800;font-size:13px;cursor:pointer;padding:0 0 14px;display:block}
.noteEditorTitleInput{width:100%;border:0;border-bottom:1px solid var(--line);background:transparent;font-size:26px;font-weight:800;color:var(--text);padding:10px 0 12px;font-family:inherit}
.noteEditorTitleInput:focus{outline:none;border-color:var(--accent)}
.noteEditorTitleInput::placeholder{color:var(--muted);font-weight:700}
.noteEditorDateRow{display:flex;align-items:center;gap:8px;margin-top:12px;color:var(--muted);font-size:12px;font-weight:700}
.noteEditorDateRow input{width:auto;border:1px solid var(--line);border-radius:9px;padding:6px 9px;background:var(--panel);color:var(--text);font:inherit;font-size:13px}
.noteEditorTextarea{width:100%;min-height:min(58vh,480px);border:0;background:transparent;font:inherit;font-size:16px;line-height:1.7;color:var(--text);resize:none;padding:16px 0 6px}
.noteEditorTextarea:focus{outline:none}
.noteEditorActions{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:10px}
.deleteNoteBtn{border:1px solid var(--line);background:transparent;color:var(--red);border-radius:10px;padding:9px 14px;font-weight:800;cursor:pointer;font-size:12px}
.deleteNoteBtn:hover{background:rgba(220,38,38,.08)}
#notesListView,#notesEditorView{min-height:min(64vh,560px)}