*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;height:100%;font-family:Inter,ui-sans-serif,system-ui,-apple-system,sans-serif}button,input,select,textarea{font:inherit}button{cursor:pointer}
:root{--bg0:#f8fafc;--bg1:#eef4fb;--text:#0f172a;--muted:#64748b;--card:rgba(255,255,255,.9);--border:rgba(15,23,42,.08);--icon:#eef4ff;--shadow:0 18px 42px rgba(15,23,42,.1);--green:#31d07f;--green2:#23b86d;--pink:#ff7fa8;--blue:#63a9ff;--danger:#ef4444}
body.dark{--bg0:#09101c;--bg1:#0b1220;--text:#f5f7fb;--muted:#8d98ab;--card:linear-gradient(180deg,#192235,#121a2b);--border:rgba(255,255,255,.07);--icon:#1e2940;--shadow:0 24px 56px rgba(0,0,0,.38)}
body{background:linear-gradient(180deg,var(--bg0),var(--bg1) 36%,var(--bg0));color:var(--text);overflow:hidden}
.app-shell,.pin-screen{height:100%}.main-content{height:calc(100vh - 132px);overflow:auto;padding:0 0 104px}.screen{display:none;padding:0 20px 24px}.screen.active{display:block}.screen-kicker{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;opacity:.72;margin-bottom:10px}.topbar{display:flex;justify-content:space-between;align-items:flex-start;padding:24px 20px 18px;gap:14px}h1{margin:0;font-size:34px;line-height:1;font-weight:800}#header-subtitle{margin:6px 0 0;color:var(--muted);font-size:14px}.top-actions{display:flex;align-items:center;gap:8px}.icon-button,.theme-toggle,.bottom-nav,.card,.chip,.sheet{background:var(--card);border:1px solid var(--border);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}.icon-button{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;color:var(--text);box-shadow:var(--shadow)}.icon-button i,.nav-item i,.habit-icon i{width:20px;height:20px;stroke-width:2.1}.theme-toggle{position:relative;padding:10px 52px 10px 14px;border-radius:999px;min-width:118px;color:var(--text);font-size:12px;font-weight:800;text-align:left;box-shadow:var(--shadow)}.theme-switch{position:absolute;right:10px;top:50%;transform:translateY(-50%);width:32px;height:18px;border-radius:999px;background:rgba(148,163,184,.45)}.theme-switch:after{content:'';position:absolute;top:2px;right:16px;width:14px;height:14px;border-radius:50%;background:#fff;box-shadow:0 1px 4px rgba(0,0,0,.18)}body.dark .theme-switch{background:var(--green)}body.dark .theme-switch:after{right:2px;background:#07110a}
.bottom-nav{position:fixed;left:18px;right:18px;bottom:18px;display:flex;justify-content:space-around;padding:12px 10px calc(12px + env(safe-area-inset-bottom));border-radius:22px;box-shadow:var(--shadow)}.nav-item{background:none;border:none;color:var(--muted);text-align:center;font-size:11px}.nav-item.active{color:var(--text)}.nav-item span{display:block;margin-top:4px}.nav-item i{display:block;margin:0 auto}
.fab{position:fixed;right:24px;bottom:102px;width:56px;height:56px;border-radius:18px;border:none;background:linear-gradient(135deg,var(--blue),#7fb8ff);color:#fff;font-size:30px;box-shadow:var(--shadow)}
.card{border-radius:24px;padding:18px;margin-bottom:14px}.hero-card{padding:20px}.chip-row{display:flex;gap:10px;margin:14px 0 18px}.chip{flex:1;min-width:0;border-radius:16px;padding:12px 14px}.chip-value{font-size:24px;font-weight:800}.chip-label{font-size:12px;color:var(--muted);margin-top:4px}.section-label{font-size:12px;letter-spacing:.08em;text-transform:uppercase;font-weight:700;color:var(--muted);margin-bottom:10px}.row{display:flex;justify-content:space-between;align-items:center;gap:12px}
.day-strip{display:flex;gap:8px;margin:0 0 18px}.day-arrow,.day-pill{border:none}.day-arrow{width:42px;height:58px;border-radius:18px;background:var(--card);border:1px solid var(--border);color:var(--text)}.day-pill{flex:1;padding:10px 0;border-radius:18px;background:transparent;color:var(--muted)}.day-pill strong{display:block;font-size:18px;color:var(--text)}.day-pill.selected{background:var(--card);border:1px solid var(--border);box-shadow:var(--shadow)}
.habit-list{display:flex;flex-direction:column;gap:14px}.habit-card{display:flex;align-items:center;gap:14px;padding:16px 0;border-top:1px solid rgba(255,255,255,.05)}body:not(.dark) .habit-card{border-top-color:rgba(15,23,42,.06)}.habit-card:first-child{border-top:none;padding-top:0}.habit-icon{width:46px;height:46px;border-radius:16px;background:var(--icon);display:grid;place-items:center;flex:0 0 auto}.habit-title{font-size:17px;font-weight:800}.habit-meta{font-size:13px;color:var(--muted);margin-top:4px}.habit-check,.ring{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;font-weight:900;flex:0 0 auto}.habit-check.done{background:var(--green);color:#07110a}.habit-check.idle{background:rgba(148,163,184,.2);color:var(--muted)}.ring{width:42px;height:42px;border:4px solid rgba(255,255,255,.08);font-size:11px}body:not(.dark) .ring{border-color:rgba(15,23,42,.08)}.qty-input{width:64px;border-radius:12px;border:1px solid var(--border);background:transparent;color:var(--text);padding:8px;text-align:center}
.bar-track{display:flex;height:18px;border-radius:999px;overflow:hidden;background:rgba(148,163,184,.12);border:1px solid var(--border)}.bar-green{background:linear-gradient(90deg,var(--green),var(--green2))}.bar-pink{background:var(--pink)}.bar-blue{background:var(--blue)}.legend{display:flex;gap:14px;flex-wrap:wrap;font-size:12px;color:var(--muted);margin-top:12px}.legend span:before{content:'';display:inline-block;width:10px;height:10px;border-radius:999px;margin-right:6px;vertical-align:middle}.legend .lg:before{background:var(--green)}.legend .lp:before{background:var(--pink)}.legend .lb:before{background:var(--blue)}
.dist-row,.history-item,.setting-row,.session-row{display:flex;align-items:center;gap:10px}.dist-row{margin-top:10px}.dist-label{width:42px;font-size:13px;font-weight:700}.dist-track{flex:1;height:10px;border-radius:999px;overflow:hidden;background:rgba(148,163,184,.12)}.dist-pct{width:40px;text-align:right;font-size:13px;font-weight:700}
.calendar{display:grid;grid-template-columns:repeat(7,1fr);gap:8px}.cal-head,.cal-day{padding:10px 0;text-align:center;border-radius:16px;font-size:12px}.cal-day{border:none;background:transparent;color:var(--text)}.cal-day strong{display:block;font-size:15px}.cal-day.has-session{background:#e8fff2;border:1px solid rgba(34,197,94,.25)}.cal-day.selected{background:var(--icon)}.cal-day.empty{opacity:.25;pointer-events:none}
.sheet{width:min(100%,520px);max-height:92vh;overflow:auto;border-radius:28px 28px 0 0;padding:18px 18px 24px;box-shadow:0 -20px 40px rgba(0,0,0,.15)}.tall-sheet{max-height:95vh}.modal{position:fixed;inset:0;display:flex;align-items:flex-end;justify-content:center;background:rgba(0,0,0,.35);z-index:1000}.sheet-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:14px}.sheet h2{margin:0;font-size:20px;font-weight:800}.sheet-subtitle{margin:4px 0 0;color:var(--muted);font-size:13px}.field{display:block;margin-bottom:12px}.field span{display:block;font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}.field input,.field select{width:100%;padding:14px;border-radius:16px;border:1px solid var(--border);background:transparent;color:var(--text)}.color-picker{display:flex;gap:10px;flex-wrap:wrap}.color-dot{width:32px;height:32px;border-radius:999px;border:3px solid transparent}.color-dot.selected{border-color:var(--text)}.days-picker{display:flex;gap:8px;margin-bottom:12px}.days-picker label{flex:1}.days-picker input{display:none}.days-picker span{display:grid;place-items:center;height:42px;border-radius:14px;border:1px solid var(--border)}.days-picker input:checked+span{background:var(--text);color:var(--bg0)}.sheet-actions{display:flex;gap:10px;margin-top:18px}.stack-actions{flex-direction:column}.btn{border:none;border-radius:18px;padding:16px 18px;font-weight:800}.btn.primary{background:var(--green);color:#07110a}.btn.danger{background:var(--danger);color:#fff}.btn.subtle{background:rgba(148,163,184,.2);color:var(--text)}.btn.outline{background:transparent;color:var(--text);border:1px dashed var(--border)}.btn.full{width:100%}
.inline-actions{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}.pill-btn{border:1px solid var(--border);background:transparent;color:var(--text);border-radius:999px;padding:8px 12px;font-size:12px;font-weight:700}
.batch-card{border-radius:24px;padding:18px;margin-bottom:14px;background:var(--card);border:1px solid var(--border)}.batch-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:10px}.summary-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:12px}.summary-box{border-radius:16px;padding:12px;background:rgba(148,163,184,.12)}.summary-box strong{display:block;font-size:22px}
.empty-state{text-align:center;padding:60px 24px;color:var(--muted)}.pin-screen{display:grid;place-items:center}.pin-card{width:min(92vw,360px);padding:28px;border-radius:28px;background:var(--card);border:1px solid var(--border);box-shadow:var(--shadow);text-align:center}.pin-lock{font-size:42px}.pin-card h2{margin:10px 0 16px}.pin-dots{display:flex;justify-content:center;gap:12px;margin-bottom:20px}.pin-dots span{width:14px;height:14px;border-radius:999px;border:2px solid var(--muted)}.pin-dots span.filled{background:var(--green);border-color:var(--green)}.pin-pad{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.pin-pad button{height:58px;border-radius:18px;border:1px solid var(--border);background:transparent;color:var(--text)}
@media (max-width:420px){.topbar{padding:20px 16px 16px}.screen{padding:0 16px 24px}.bottom-nav{left:12px;right:12px;bottom:12px}.fab{right:18px;bottom:96px}.chip-row{gap:8px}.chip-value{font-size:20px}}