:root{
  --bg:#eef2f7;--surface:rgba(255,255,255,.62);--surface2:rgba(255,255,255,.84);--text:#0b1220;--muted:#667085;
  --line:rgba(148,163,184,.22);--accent:#111827;--ok:#18864b;--warn:#b17800;--danger:#b42318;
  --shadow:0 20px 55px rgba(15,23,42,.09);--blur:24px;--radius:24px
}
html[data-theme="dark"]{
  --bg:#070a10;--surface:rgba(15,23,42,.56);--surface2:rgba(15,23,42,.86);--text:#f8fafc;--muted:#98a2b3;
  --line:rgba(255,255,255,.08);--accent:#f8fafc;--ok:#48c778;--warn:#f2c94c;--danger:#ff746c;
  --shadow:0 24px 70px rgba(0,0,0,.32)
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;background:var(--bg);color:var(--text);
font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer}.hidden{display:none!important}.ambient{position:fixed;inset:0;z-index:-3;background:
radial-gradient(circle at 10% 0%,rgba(148,163,184,.18),transparent 32%),
radial-gradient(circle at 100% 28%,rgba(99,102,241,.10),transparent 26%),
linear-gradient(160deg,var(--bg),var(--bg))}
.glass{background:var(--surface);border:1px solid var(--line);backdrop-filter:blur(var(--blur));-webkit-backdrop-filter:blur(var(--blur));box-shadow:var(--shadow)}
.eyebrow{font-size:.66rem;font-weight:850;letter-spacing:.13em;color:var(--muted)}.muted{color:var(--muted)}
.auth-shell{min-height:100vh;display:grid;place-items:center;padding:20px}.auth-card{width:min(460px,100%);padding:28px;border-radius:30px}.auth-brand,.brand-wrap,.top-actions,.ai-head,.metric-row,.routine-head,.partner-card{display:flex;align-items:center}
.auth-brand,.brand-wrap{gap:10px}.brand-mark{width:42px;height:42px;border-radius:14px;background:var(--text);color:var(--bg);display:grid;place-items:center;font-weight:900}
.auth-card h1{font-size:1.05rem;margin:0}.auth-card h2{font-size:2rem;margin:28px 0 6px}.auth-tabs{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin:24px 0 14px}
.auth-tab{border:1px solid var(--line);background:transparent;padding:10px;border-radius:13px;font-weight:800}.auth-tab.active{background:var(--text);color:var(--bg)}
.auth-form{display:grid;gap:10px}.auth-form input,.onboarding-grid input,.onboarding-grid textarea,.onboarding-grid select{width:100%;border:1px solid var(--line);background:var(--surface2);border-radius:14px;padding:12px;outline:none}
.primary-btn,.ghost-btn,.oauth-btn,.mini-btn{border-radius:14px;font-weight:800}.primary-btn{border:0;background:var(--text);color:var(--bg);padding:13px 16px}.ghost-btn,.oauth-btn,.mini-btn{border:1px solid var(--line);background:rgba(148,163,184,.08);padding:11px 14px}
.oauth-btn,.ghost-btn{width:100%;margin-top:10px}.legal{font-size:.74rem;color:var(--muted);line-height:1.45;margin:18px 0 0}.small{width:auto!important;padding:10px 13px!important}
#appView{padding:84px 0 108px}.container{width:min(1080px,calc(100% - 24px));margin:auto}.topbar{position:fixed;z-index:30;top:10px;left:50%;transform:translateX(-50%);width:min(1080px,calc(100% - 20px));height:64px;border-radius:20px;padding:10px 12px 10px 14px;display:flex;align-items:center;justify-content:space-between}
.brand-wrap strong{display:block;font-size:.92rem;margin-top:2px}.top-actions{gap:8px}.icon-btn,.avatar-btn{width:42px;height:42px;border:1px solid var(--line);background:var(--surface2);border-radius:13px}.icon-btn{padding:10px}.icon-btn svg{width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:1.8}.avatar-btn{font-weight:900}
.hero{border-radius:30px;padding:28px;display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center}.hero h1{font-size:clamp(1.8rem,5vw,2.8rem);margin:4px 0}.lead{max-width:700px;color:var(--muted);font-size:1rem}.hero-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}
.progress-orb{width:118px;height:118px;border-radius:50%;padding:9px;background:conic-gradient(var(--text) 0%,rgba(148,163,184,.18) 0)}.orb-inner{width:100%;height:100%;border-radius:50%;background:var(--surface2);display:grid;place-content:center;text-align:center}.orb-inner strong{font-size:2rem}.orb-inner small{display:block;color:var(--muted)}
.safety{display:flex;gap:12px;align-items:flex-start;margin-top:12px;padding:14px 16px;border-radius:18px}.safety p{margin:3px 0 0;color:var(--muted);font-size:.82rem}.safety-dot{width:10px;height:10px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 5px rgba(24,134,75,.12);margin-top:5px}
.dashboard-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:10px}.metric{border-radius:20px;padding:18px;position:relative}.metric-row{gap:14px;margin-top:12px}.metric-row>strong{font-size:2.6rem}.metric-row h3{margin:0}.metric-row p{font-size:.78rem;margin:3px 0 0}.metric>.mini-btn{position:absolute;right:15px;top:15px}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:12px;margin:28px 2px 12px}.section-head h2{font-size:1.25rem;margin:3px 0 0}.section-head>.muted{font-size:.78rem}
.habit-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.habit{border-radius:20px;padding:16px;position:relative}.habit-icon{width:42px;height:42px;border-radius:14px;background:rgba(148,163,184,.12);display:grid;place-items:center;font-size:1.25rem}.habit h3{font-size:.95rem;margin:14px 0 5px}.habit p{font-size:.78rem;line-height:1.4;color:var(--muted);margin:0}.habit-check{position:absolute;right:13px;top:13px;width:34px;height:34px;border:1px solid var(--line);background:transparent;border-radius:50%;font-weight:900}.habit.done{outline:1px solid rgba(72,199,120,.35)}.habit.done .habit-check{background:rgba(72,199,120,.18);color:var(--ok)}
.routine-card,.menu-card,.goals-card,.heatmap-card,.reward-card,.partner-card,.ai-card{border-radius:22px;padding:18px}.routine-head{justify-content:space-between;gap:12px}.routine-head h3{margin:4px 0 0}.progress-track{height:10px;border-radius:999px;background:rgba(148,163,184,.14);overflow:hidden;margin:12px 0}.progress-fill{height:100%;width:0;border-radius:inherit;background:linear-gradient(90deg,var(--text),rgba(99,102,241,.55));transition:width .25s}
.stack-list{display:grid;gap:9px;margin-top:12px}.stack-item{display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:center;padding:12px;border:1px solid var(--line);border-radius:16px;background:rgba(148,163,184,.06)}.stack-item.done{opacity:.7}.stack-item strong{font-size:.88rem}.stack-item small{display:block;color:var(--muted);margin-top:3px}.round-check{width:34px;height:34px;border:1px solid var(--line);background:transparent;border-radius:50%;font-weight:900}.stack-item.done .round-check{background:rgba(72,199,120,.18);color:var(--ok)}
.goal-tabs{display:flex;gap:7px;margin-bottom:12px}.goal-tab{border:1px solid var(--line);background:transparent;border-radius:999px;padding:8px 12px;font-size:.76rem;font-weight:800}.goal-tab.active{background:var(--text);color:var(--bg)}
.heatmap{display:grid;grid-template-columns:repeat(12,1fr);gap:7px}.heat-week{display:grid;grid-template-rows:repeat(7,12px);gap:4px}.heat-day{border-radius:3px;background:rgba(148,163,184,.10)}.heat-day.l1{background:rgba(72,199,120,.25)}.heat-day.l2{background:rgba(72,199,120,.48)}.heat-day.l3{background:rgba(72,199,120,.75)}.heat-day.l4{background:var(--ok)}
.rewards-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:10px}.reward-badge{width:42px;height:42px;border-radius:14px;background:rgba(148,163,184,.12);display:grid;place-items:center;font-size:1.2rem}.claim-btn{border:1px solid var(--line);background:var(--surface2);border-radius:11px;padding:7px 9px;font-size:.72rem;font-weight:800}.locked{opacity:.5}
.achievements{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:12px}.achievement{border:1px solid var(--line);border-radius:16px;padding:12px;text-align:center;background:rgba(148,163,184,.06)}.achievement span{font-size:1.45rem}.achievement strong{display:block;font-size:.74rem;margin-top:5px}.achievement.locked{filter:grayscale(1);opacity:.35}
.partner-card{justify-content:space-between;gap:15px}.partner-card h3{margin:0 0 4px}.partner-card p{margin:0}.privacy-pill{font-size:.7rem;border:1px solid var(--line);border-radius:999px;padding:7px 10px;white-space:nowrap}
.ai-card p{color:var(--muted);line-height:1.55}.ai-head{gap:10px}.ai-avatar{width:46px;height:46px;border-radius:16px;background:linear-gradient(145deg,var(--text),rgba(99,102,241,.45));color:var(--bg);display:grid;place-items:center;font-weight:900}.ai-head small{display:block;color:var(--muted);font-size:.72rem}.status{margin-left:auto;font-size:.72rem;color:var(--muted)}.status i{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--ok)}
.quick-chips{display:flex;gap:7px;flex-wrap:wrap;margin:14px 0}.quick-chips button{border:1px solid var(--line);background:rgba(148,163,184,.08);border-radius:999px;padding:8px 11px;font-size:.76rem}
.bottom-nav{position:fixed;z-index:25;bottom:10px;left:50%;transform:translateX(-50%);width:min(620px,calc(100% - 20px));display:grid;grid-template-columns:repeat(5,1fr);padding:7px;border-radius:22px}.nav-item{border:0;background:transparent;color:var(--muted);padding:8px 3px;border-radius:14px;font-size:.67rem}.nav-item span{display:block;font-size:1.18rem}.nav-item.active{background:var(--surface2);color:var(--text)}
.modal{position:fixed;inset:0;z-index:60}.modal-backdrop{position:absolute;inset:0;background:rgba(3,7,18,.48);backdrop-filter:blur(4px)}.chat-sheet,.onboarding-sheet{position:absolute;left:50%;bottom:0;transform:translateX(-50%);width:min(680px,100%);border-radius:28px 28px 0 0;overflow:hidden}.chat-sheet{height:min(84vh,760px);display:grid;grid-template-rows:auto auto 1fr auto}.chat-header{display:flex;justify-content:space-between;align-items:center;padding:15px}.ai-disclaimer{margin:0 15px 8px;padding:10px 12px;border-radius:14px;background:rgba(148,163,184,.10);font-size:.72rem;color:var(--muted);line-height:1.4}.chat-body{padding:14px 15px;overflow:auto;display:flex;flex-direction:column;gap:9px}.bubble{max-width:84%;padding:11px 13px;border-radius:16px;font-size:.88rem;line-height:1.5}.bubble.bot{background:rgba(148,163,184,.13);align-self:flex-start}.bubble.user{background:var(--text);color:var(--bg);align-self:flex-end}.chat-input-row{display:grid;grid-template-columns:1fr auto;gap:8px;padding:12px 12px calc(12px + env(safe-area-inset-bottom));border-top:1px solid var(--line)}.chat-input-row textarea{resize:none;border:1px solid var(--line);background:var(--surface2);border-radius:15px;padding:12px;outline:none}.send-btn{width:46px;border:0;border-radius:15px;background:var(--text);color:var(--bg)}
.onboarding-sheet{padding:22px;max-height:90vh;overflow:auto}.onboarding-grid{display:grid;gap:12px}.onboarding-grid label{font-size:.82rem;font-weight:700}.onboarding-grid label>*{margin-top:6px}.onboarding-sheet .primary-btn{width:100%;margin-top:16px}
.offline{position:fixed;z-index:80;top:4px;left:50%;transform:translateX(-50%);background:var(--text);color:var(--bg);border-radius:999px;padding:6px 10px;font-size:.7rem}
.swal2-popup{border-radius:24px!important;background:var(--surface2)!important;color:var(--text)!important}.swal2-input,.swal2-textarea,.swal2-select{background:transparent!important;color:var(--text)!important}
@media(max-width:820px){.dashboard-grid{grid-template-columns:1fr}.habit-grid{grid-template-columns:repeat(2,1fr)}.rewards-grid{grid-template-columns:1fr}.hero{grid-template-columns:1fr auto}}
@media(max-width:520px){#appView{padding-top:80px}.container{width:calc(100% - 16px)}.topbar{top:6px;width:calc(100% - 12px)}.hero{grid-template-columns:1fr;padding:20px;min-height:185px;position:relative;padding-right:94px}.progress-orb{position:absolute;right:18px;top:50px;width:78px;height:78px}.orb-inner strong{font-size:1.45rem}.lead{font-size:.88rem}.habit-grid{grid-template-columns:1fr}.section-head{margin-top:24px}.heatmap{gap:4px}.heat-week{gap:3px}.heat-day{height:10px}.partner-card{align-items:flex-start;flex-direction:column}.bottom-nav{bottom:6px}.chat-sheet{height:90vh}}