:root{--bg:#F7F8F7;--card:#fff;--text:#17202A;--muted:#667085;--line:#e5e7eb;--soft:#f1f5f9;--green:#16A34A;--primary:#0F766E;--primary-dark:#115E59;--timer:#1E3A5F;--danger:#E11D48}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100%;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--text);background:var(--bg)}body{overscroll-behavior-y:none}button,input,select{font:inherit}button{cursor:pointer}.app{min-height:100vh;padding-bottom:78px}.shell{width:min(100%,520px);margin:0 auto;padding:18px 16px 28px}.top{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.eyebrow{font-size:11px;color:var(--muted);font-weight:800;text-transform:uppercase;letter-spacing:.08em}.title{font-size:25px;line-height:1.15;margin:4px 0 0;font-weight:850;letter-spacing:-.03em}.sub{color:var(--muted);font-size:12px;margin-top:5px}.primary{border:0;background:var(--primary);color:#fff;border-radius:14px;padding:12px 15px;font-weight:800;box-shadow:0 7px 18px rgba(15,23,42,.1)}.secondary{border:1px solid var(--line);background:#fff;color:var(--text);border-radius:14px;padding:12px 15px;font-weight:800}.iconbtn{width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:14px;display:grid;place-items:center;color:#334155}.actionrow{display:grid;grid-template-columns:1.6fr 1fr;gap:9px}.actionbig{width:100%;display:flex;align-items:center;justify-content:center;gap:7px}.quick{width:100%}.section{margin-top:17px}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:9px}.stat{background:var(--card);border:1px solid var(--line);border-radius:17px;padding:13px;min-height:82px}.statlabel{font-size:11px;color:var(--muted);font-weight:700}.statvalue{font-size:20px;font-weight:850;margin-top:8px;letter-spacing:-.03em}.target{width:100%;border:0;background:var(--primary);color:#fff;border-radius:20px;padding:17px;display:flex;align-items:center;justify-content:space-between;text-align:left}.target .label{font-size:12px;opacity:.72;font-weight:700}.target .big{font-size:28px;font-weight:900;margin-top:2px}.target .small{font-size:11px;opacity:.75;margin-top:3px}.circle{width:50px;height:50px;border-radius:17px;background:rgba(255,255,255,.1);display:grid;place-items:center;flex:none}.sectionhead{display:flex;align-items:center;justify-content:space-between;margin-bottom:9px}.sectiontitle{font-size:16px;font-weight:850}.link,.textbtn{border:0;background:transparent;color:var(--blue);font-weight:800;font-size:12px}.linkrow{display:grid;gap:8px}.textbtn{padding:0;text-align:left;display:flex;align-items:center;gap:6px}.exam{background:#fff;border:1px solid var(--line);border-radius:17px;padding:13px;display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:8px}.examname{font-weight:850;font-size:14px}.examdate{font-size:11px;color:var(--muted);margin-top:4px}.days{font-weight:850;font-size:11px;padding:8px 10px;background:var(--soft);border-radius:11px;white-space:nowrap}.bottom{position:fixed;left:50%;bottom:0;transform:translateX(-50%);width:min(100%,520px);height:70px;background:rgba(255,255,255,.96);border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(3,1fr);z-index:30;padding-bottom:env(safe-area-inset-bottom)}.navbtn{border:0;background:transparent;color:#9ca3af;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;font-size:10px;font-weight:800}.navbtn.active{color:var(--primary-dark)}.weekstrip{display:grid;grid-template-columns:repeat(7,1fr);gap:5px;overflow:hidden}.weekday{border:1px solid var(--line);background:#fff;border-radius:14px;padding:8px 2px;text-align:center;min-width:0}.weekday.active{background:var(--primary);color:#fff;border-color:var(--primary-dark)}.dow{font-size:9px;font-weight:800;opacity:.65}.day{font-size:16px;font-weight:900;margin-top:2px}.weekmins{font-size:8px;font-weight:750;color:var(--muted);margin-top:4px}.weekday.active .weekmins{color:#cbd5e1}.session{background:#fff;border:1px solid var(--line);border-radius:18px;padding:12px;margin-bottom:8px;display:flex;gap:10px;align-items:center}.session.completed{border-color:#bbf7d0}.timecol{width:55px;flex:none}.time{font-size:10px;color:var(--muted);font-weight:750;line-height:1.35}.sessionbody{flex:1;min-width:0}.subject{font-weight:850;font-size:13px}.duration{font-size:11px;color:var(--muted);margin-top:3px}.status{font-size:9px;font-weight:850;margin-top:6px;display:inline-block;padding:4px 7px;border-radius:8px;background:var(--soft);color:#475569}.status.done{color:var(--green);background:#ecfdf3}.note{font-size:10px;color:#667085;margin-top:5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.start{border:0;background:var(--primary);color:#fff;border-radius:10px;padding:8px 10px;font-size:10px;font-weight:850;display:flex;align-items:center;gap:4px}.sessionactions{display:flex;gap:5px;align-items:center}.miniicon{width:31px;height:31px;border:1px solid var(--line);background:#fff;border-radius:10px;display:grid;place-items:center;color:#475569}.miniicon.danger{color:var(--danger)}.fab{position:fixed;right:max(18px,calc((100vw - 520px)/2 + 16px));bottom:84px;border:0;background:var(--primary);color:#fff;width:52px;height:52px;border-radius:18px;display:grid;place-items:center;box-shadow:0 10px 25px rgba(15,23,42,.22);z-index:25}.empty{border:1px dashed #cbd5e1;background:#fff;border-radius:18px;padding:23px;text-align:center;color:var(--muted);font-size:12px}.empty b{display:block;color:var(--text);margin-bottom:4px}.smallempty{padding:17px}.sheetback{position:fixed;inset:0;background:rgba(15,23,42,.38);z-index:50;display:flex;align-items:flex-end}.sheet{width:min(100%,520px);margin:0 auto;background:#fff;border-radius:24px 24px 0 0;padding:10px 16px calc(18px + env(safe-area-inset-bottom));max-height:92vh;overflow:auto}.sheet.tall{max-height:94vh}.handle{width:42px;height:4px;background:#d1d5db;border-radius:9px;margin:0 auto 15px}.sheethead{display:flex;justify-content:space-between;align-items:center;margin-bottom:13px}.sheettitle{font-weight:900;font-size:18px}.field{margin:10px 0}.field label,.goalactions label{display:block;font-size:10px;font-weight:850;color:#667085;margin-bottom:5px}.input,.select{width:100%;border:1px solid var(--line);background:#F7F8F7;border-radius:12px;padding:11px 12px;outline:none;color:var(--text)}.row{display:grid;grid-template-columns:1fr 1fr;gap:9px}.sheetactions{display:flex;gap:8px;margin-top:14px}.sheetactions>*{flex:1}.error{background:#fef2f2;color:#b91c1c;border-radius:10px;padding:9px;font-size:11px;font-weight:700}.divider{height:1px;background:var(--line);margin:16px 0}.manage{align-items:flex-start}.rowicons{display:flex;gap:5px}.timerHero{background:var(--primary);color:#fff;border-radius:24px;padding:24px 17px;text-align:center}.timerSubject{font-size:14px;opacity:.75;font-weight:800}.timerClock{font-variant-numeric:tabular-nums;font-size:55px;line-height:1;font-weight:900;letter-spacing:-.05em;margin:15px 0}.timerMeta{font-size:11px;opacity:.65;margin-bottom:15px}.timerBtns{display:flex;justify-content:center;gap:8px}.timerBtns button{border:0;border-radius:12px;padding:11px 17px;font-weight:850;display:flex;align-items:center;gap:5px}.timerBtns .light{background:#fff;color:var(--timer)}.timerBtns .ghost{background:rgba(255,255,255,.1);color:#fff}.modegrid{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:12px}.mode{border:1px solid var(--line);background:#fff;border-radius:17px;padding:15px;text-align:left}.mode b{display:block;font-size:13px}.mode span{display:block;color:var(--muted);font-size:10px;margin-top:4px}.goal{padding:20px;background:#fff;border:1px solid var(--line);border-radius:20px}.goalrow{display:flex;justify-content:space-between;align-items:end}.goalnum{font-size:38px;font-weight:950}.progress{height:8px;border-radius:99px;background:#e5e7eb;overflow:hidden;margin-top:14px}.progress>div{height:100%;background:var(--primary);border-radius:99px}.goalactions{margin-top:15px}.historyrow,.subjectstat{background:#fff;border:1px solid var(--line);border-radius:15px;padding:12px 13px;display:flex;justify-content:space-between;align-items:center;margin-bottom:7px}.historyrow strong,.subjectstat strong{font-size:13px}.subjectstat b{font-size:13px}.insightgrid{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:17px}.insight{background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px}.insight span{display:block;color:var(--muted);font-size:10px;font-weight:750}.insight b{display:block;font-size:19px;margin-top:6px}.barrow{display:grid;grid-template-columns:46px 1fr 42px;gap:7px;align-items:center;margin:9px 0}.barlabel,.barvalue{font-size:10px;color:var(--muted);font-weight:750}.barvalue{text-align:right}.bartrack{height:8px;background:#e5e7eb;border-radius:99px;overflow:hidden}.barfill{height:100%;background:var(--primary);border-radius:99px}.back{border:0;background:transparent;padding:5px 0;font-weight:800;color:#475569;display:flex;align-items:center;gap:4px}.compactlink{margin-top:12px}.toast{position:fixed;left:50%;bottom:84px;transform:translateX(-50%);background:var(--primary);color:#fff;border-radius:12px;padding:9px 12px;font-size:11px;font-weight:800;z-index:70}@media(max-width:360px){.shell{padding-left:12px;padding-right:12px}.statvalue{font-size:18px}.session{gap:7px}.timecol{width:50px}.sessionactions{gap:3px}.miniicon{width:29px;height:29px}.start{padding:7px 8px}}@media(min-width:521px){.shell{padding-top:28px}}

/* Study Planner visual system */
.target{background:var(--primary);}
.primary{background:var(--primary);}
.weekday.active{background:var(--primary);border-color:var(--primary);}
.navbtn.active{color:var(--primary);}
.start{background:var(--primary);}
.progress>div,.barfill{background:var(--primary);}
.timerHero{background:var(--timer);}

/* Phase 3 visual refinement: calm light/dark themes, subject accents, focus mode, micro-interactions */
:root{color-scheme:light;--bg:#F7F8F7;--card:#FFFFFF;--text:#17202A;--muted:#667085;--line:#E5E7EB;--soft:#F1F5F9;--primary:#0F766E;--primary-dark:#115E59;--timer:#1E3A5F;--green:#16A34A;--amber:#D97706;--danger:#E11D48;--shadow:0 8px 24px rgba(15,23,42,.06)}
:root[data-theme="dark"],body[data-theme="dark"]{color-scheme:dark;--bg:#0F1417;--card:#171D21;--text:#F4F7F7;--muted:#9BA7AB;--line:#293238;--soft:#20282D;--primary:#2DD4BF;--primary-dark:#5EEAD4;--timer:#244A72;--green:#4ADE80;--amber:#FBBF24;--danger:#FB7185;--shadow:0 10px 30px rgba(0,0,0,.2)}
@media(prefers-color-scheme:dark){:root[data-theme="system"]{color-scheme:dark;--bg:#0F1417;--card:#171D21;--text:#F4F7F7;--muted:#9BA7AB;--line:#293238;--soft:#20282D;--primary:#2DD4BF;--primary-dark:#5EEAD4;--timer:#244A72;--green:#4ADE80;--amber:#FBBF24;--danger:#FB7185;--shadow:0 10px 30px rgba(0,0,0,.2)}}
:root[data-theme="system"]{color-scheme:light}
@media(prefers-color-scheme:dark){:root[data-theme="system"]{color-scheme:dark}}
body[data-theme="dark"],body[data-theme="system"]{background:var(--bg);color:var(--text)}
body[data-theme="dark"] .card,body[data-theme="dark"] .stat,body[data-theme="dark"] .exam,body[data-theme="dark"] .session,body[data-theme="dark"] .mode,body[data-theme="dark"] .historyrow,body[data-theme="dark"] .subjectstat,body[data-theme="dark"] .insight,body[data-theme="dark"] .goal,body[data-theme="dark"] .secondary,body[data-theme="dark"] .iconbtn,body[data-theme="dark"] .weekday,body[data-theme="dark"] .sheet,body[data-theme="dark"] .dialog,body[data-theme="dark"] .bottom,
body[data-theme="system"] .card,body[data-theme="system"] .stat,body[data-theme="system"] .exam,body[data-theme="system"] .session,body[data-theme="system"] .mode,body[data-theme="system"] .historyrow,body[data-theme="system"] .subjectstat,body[data-theme="system"] .insight,body[data-theme="system"] .goal,body[data-theme="system"] .secondary,body[data-theme="system"] .iconbtn,body[data-theme="system"] .weekday,body[data-theme="system"] .sheet,body[data-theme="system"] .dialog,body[data-theme="system"] .bottom{background:var(--card);border-color:var(--line);color:var(--text)}
body[data-theme="dark"] .input,body[data-theme="dark"] .select,body[data-theme="system"] .input,body[data-theme="system"] .select{background:var(--soft);color:var(--text);border-color:var(--line)}
body[data-theme="dark"] .weekmins,body[data-theme="dark"] .days,body[data-theme="system"] .weekmins,body[data-theme="system"] .days{color:var(--muted);background:var(--soft)}
body[data-theme="dark"] .empty,body[data-theme="system"] .empty{background:var(--card);border-color:var(--line);color:var(--muted)}
body[data-theme="dark"] .divider,body[data-theme="system"] .divider{background:var(--line)}
body[data-theme="dark"] .handle,body[data-theme="system"] .handle{background:#47545B}
.primary,.target,.start{transition:transform .16s ease,filter .16s ease,box-shadow .16s ease}.primary:active,.target:active,.start:active{transform:translateY(1px) scale(.985);filter:brightness(.97)}
.secondary,.iconbtn,.miniicon,.mode,.weekday,.navbtn,.textbtn,.themeChoice,.focusExit{transition:transform .16s ease,background-color .16s ease,border-color .16s ease,color .16s ease,box-shadow .16s ease}.secondary:active,.iconbtn:active,.miniicon:active,.mode:active,.weekday:active,.themeChoice:active{transform:scale(.98)}
.stat{position:relative;overflow:hidden;box-shadow:var(--shadow)}.statdot{width:7px;height:7px;border-radius:50%;background:var(--primary);margin-bottom:9px}.stat-amber .statdot{background:var(--amber)}.stat-green .statdot{background:var(--green)}.stat-blue .statdot{background:#2563EB}
.target{box-shadow:0 10px 28px rgba(15,118,110,.18)}
.session{border-left:4px solid var(--subject,#0F766E);background:linear-gradient(90deg,var(--subject-soft,#CCFBF1) 0,rgba(255,255,255,0) 38%);box-shadow:var(--shadow)}
body[data-theme="dark"] .session,body[data-theme="system"] .session{background:linear-gradient(90deg,rgba(45,212,191,.09) 0,rgba(0,0,0,0) 42%)}
.session.completed{border-left-color:var(--green)}
.goal.heroGoal{background:var(--primary);color:#fff;border:0;box-shadow:0 14px 32px rgba(15,118,110,.18)}.goalheroTop{display:flex;justify-content:space-between;align-items:center}.goalLight{color:rgba(255,255,255,.7)}.goalring{width:76px;height:76px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(rgba(255,255,255,.95) var(--pct),rgba(255,255,255,.15) 0);position:relative}.goalring:after{content:"";position:absolute;inset:8px;background:var(--primary);border-radius:50%}.goalring>div{position:relative;z-index:1;font-weight:900;font-size:12px}.goalProgress{background:rgba(255,255,255,.16)}.goalProgress>div{background:#fff}.goalSummary{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:16px}.goalSummary>div{padding:10px;border-radius:12px;background:rgba(255,255,255,.1)}.goalSummary span{display:block;font-size:9px;opacity:.68}.goalSummary b{display:block;margin-top:3px;font-size:13px}.goalInputRow{display:flex;gap:8px;align-items:center;margin:9px 0}.goalInputRow .input{flex:1}.goalInputRow span{font-size:11px;color:var(--muted)}.goalsettings{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:14px}
.focusShell{min-height:100vh;background:var(--timer);color:#fff;display:flex;flex-direction:column;padding:calc(22px + env(safe-area-inset-top)) 20px calc(22px + env(safe-area-inset-bottom));position:relative}.focusTop{display:flex;justify-content:space-between;align-items:center}.focusEyebrow{color:rgba(255,255,255,.52)}.focusTitle{font-size:18px;font-weight:900;margin-top:4px}.focusExit{border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);color:#fff;border-radius:12px;padding:9px 11px;font-size:11px;font-weight:800}.focusCenter{flex:1;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center}.focusType{font-size:10px;font-weight:900;letter-spacing:.16em;color:rgba(255,255,255,.55)}.focusClock{font-size:clamp(58px,18vw,88px);margin:16px 0 20px;font-variant-numeric:tabular-nums}.focusProgress{width:min(360px,92%);height:5px;background:rgba(255,255,255,.13);border-radius:999px;overflow:hidden}.focusProgress>div{height:100%;background:#fff;border-radius:999px;transition:width .35s linear}.focusMeta{margin-top:12px;color:rgba(255,255,255,.65)}.focusBtns{margin-top:18px}.focusBtns .light{min-width:112px}.focusFooter{text-align:center;font-size:10px;color:rgba(255,255,255,.4)}
.dialogback{position:fixed;inset:0;background:rgba(2,8,12,.5);backdrop-filter:blur(3px);z-index:80;display:grid;place-items:center;padding:20px}.dialog{width:min(100%,360px);background:var(--card);border:1px solid var(--line);border-radius:22px;padding:20px;box-shadow:0 24px 70px rgba(0,0,0,.22);animation:dialogIn .16s ease-out}.dialogIcon{width:38px;height:38px;border-radius:12px;background:#E6FFFB;color:var(--primary-dark);display:grid;place-items:center;font-weight:950;margin-bottom:12px}.dialogIcon.danger{background:#FFF1F2;color:var(--danger)}.dialogTitle{font-size:18px;font-weight:900}.dialogMessage{font-size:12px;color:var(--muted);line-height:1.5;margin-top:6px}.dialogActions{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:18px}.dialogActions button{width:100%}.dangerBtn{background:var(--danger)!important}.dialogActions .secondary{background:var(--soft)}
.settingsSheet{padding-bottom:calc(22px + env(safe-area-inset-bottom))}.settingSection{margin-top:6px}.settingTitle{font-size:14px;font-weight:900}.settingDesc{font-size:11px;color:var(--muted);line-height:1.5;margin:5px 0 10px}.themeGrid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:10px}.themeChoice{border:1px solid var(--line);background:var(--soft);color:var(--text);border-radius:14px;padding:10px 6px;font-size:11px;font-weight:800}.themeChoice.selected{border-color:var(--primary);box-shadow:0 0 0 2px rgba(15,118,110,.18);background:rgba(15,118,110,.08)}.themePreview{display:block;width:100%;height:28px;border-radius:9px;margin-bottom:7px;border:1px solid var(--line)}.themePreview.light{background:#fff}.themePreview.dark{background:#151C20}.themePreview.system{background:linear-gradient(90deg,#fff 0 50%,#151C20 50%)}.settingBtn{width:100%;display:block;text-align:center;margin-top:8px;text-decoration:none}.fileBtn{position:relative}.fileBtn input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer}
@keyframes dialogIn{from{opacity:0;transform:translateY(6px) scale(.98)}to{opacity:1;transform:none}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}}

.brand{display:flex;align-items:center;gap:9px;margin-bottom:9px;height:42px}.brandLogo{width:40px;height:40px;object-fit:contain;display:block}.brandWords{display:flex;flex-direction:column;justify-content:center;line-height:1}.brandName{font-size:21px;font-weight:950;letter-spacing:-.045em;color:#1E3A8A}.brandTag{font-size:7px;letter-spacing:.11em;font-weight:800;color:#334155;margin-top:5px;white-space:nowrap}.dashboardTop .title.greeting{margin-top:6px}.brand-compact .brandLogo{width:32px;height:32px}.brand-compact .brandName{font-size:17px}.brand-compact .brandTag{font-size:6px;margin-top:3px}body[data-theme="dark"] .brandTag,body[data-theme="system"] .brandTag{color:#94A3B8}

/* Habits: 21-day challenge presentation */
.habitHero{background:linear-gradient(135deg,var(--primary),#134E4A);color:#fff;border-radius:22px;padding:18px;display:flex;align-items:center;justify-content:space-between;box-shadow:0 12px 28px rgba(15,118,110,.18);overflow:hidden;position:relative}.habitHeroKicker{font-size:9px;letter-spacing:.13em;font-weight:900;opacity:.65}.habitHeroTitle{font-size:21px;font-weight:950;letter-spacing:-.03em;margin-top:5px}.habitHeroText{font-size:11px;opacity:.72;margin-top:5px}.habitHeroMark{width:62px;height:62px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);border-radius:19px;display:grid;place-items:center;font-size:21px;font-weight:950;flex:none}.habitCard{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:14px;margin-bottom:9px;box-shadow:var(--shadow);overflow:hidden}.habitCard.build{border-left:4px solid var(--primary)}.habitCard.leave{border-left:4px solid var(--amber)}.habitCardTop{display:flex;justify-content:space-between;gap:10px;align-items:flex-start}.habitIdentity{display:flex;gap:10px;min-width:0;align-items:center}.habitIcon{width:38px;height:38px;border-radius:13px;background:rgba(15,118,110,.1);color:var(--primary);display:grid;place-items:center;font-size:20px;font-weight:900;flex:none}.habitCard.leave .habitIcon{background:rgba(217,119,6,.1);color:var(--amber)}.habitName{font-size:14px;font-weight:900;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.habitMeta{font-size:10px;color:var(--muted);margin-top:4px}.habitMenu{display:flex;gap:4px}.habitJourney{display:grid;grid-template-columns:repeat(21,1fr);gap:3px;margin:14px 0 11px}.habitNode{height:20px;border-radius:7px;background:var(--soft);border:1px solid var(--line);display:grid;place-items:center;font-size:7px;font-weight:900;color:var(--muted)}.habitNode.done{background:var(--primary);border-color:var(--primary);color:#fff}.habitCard.leave .habitNode.done{background:var(--amber);border-color:var(--amber)}.habitNode.current{box-shadow:0 0 0 2px rgba(15,118,110,.18);border-color:var(--primary);color:var(--primary)}.habitNode.future{opacity:.55}.habitBottom{display:flex;align-items:center;justify-content:space-between;gap:8px}.habitStreak b{font-size:12px}.habitStreak span{font-size:9px;color:var(--muted);margin-left:4px}.habitToday{border:1px solid var(--line);background:var(--soft);color:var(--text);border-radius:11px;padding:8px 11px;font-size:10px;font-weight:900}.habitToday.checked{background:var(--primary);border-color:var(--primary);color:#fff}.habitCard.leave .habitToday.checked{background:var(--amber);border-color:var(--amber)}.habitEmpty{padding:18px}.habitChoice{display:grid;gap:8px;margin:4px 0 14px}.habitChoiceBtn{border:1px solid var(--line);background:var(--soft);color:var(--text);border-radius:15px;padding:11px;text-align:left}.habitChoiceBtn b{display:block;font-size:12px}.habitChoiceBtn span{display:block;font-size:10px;color:var(--muted);margin-top:3px}.habitChoiceBtn.selected{border-color:var(--primary);background:rgba(15,118,110,.08);box-shadow:0 0 0 2px rgba(15,118,110,.12)}.habitRule{margin-top:12px;padding:11px 12px;border-radius:13px;background:var(--soft);border:1px solid var(--line)}.habitRule b{display:block;font-size:11px}.habitRule span{display:block;color:var(--muted);font-size:10px;line-height:1.45;margin-top:3px}@media(max-width:380px){.habitJourney{gap:2px}.habitNode{height:18px;font-size:6px}.habitHeroTitle{font-size:18px}}
body[data-theme="dark"] .habitCard,body[data-theme="system"] .habitCard,body[data-theme="dark"] .habitChoiceBtn,body[data-theme="system"] .habitChoiceBtn,body[data-theme="dark"] .habitRule,body[data-theme="system"] .habitRule{background:var(--card);border-color:var(--line);color:var(--text)}
body[data-theme="dark"] .habitNode,body[data-theme="system"] .habitNode{background:var(--soft);border-color:var(--line);color:var(--muted)}
body[data-theme="dark"] .habitChoiceBtn.selected,body[data-theme="system"] .habitChoiceBtn.selected{background:rgba(45,212,191,.09);border-color:var(--primary)}
@media(prefers-color-scheme:dark){body[data-theme="system"] .habitCard,body[data-theme="system"] .habitChoiceBtn,body[data-theme="system"] .habitRule{background:var(--card);border-color:var(--line);color:var(--text)}}