:root {
  --bg:#eef6fb; --card:#fff; --text:#102433; --muted:#69808f; --line:#dce8ef;
  --accent:#2c84c6; --accent-2:#d8efff; --danger:#a53c3c; --safe:#2f7d5a;
  --shadow:0 10px 30px rgba(31,77,105,.08); --radius:24px;
}
*{box-sizing:border-box} html{background:var(--bg)} body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;background:linear-gradient(180deg,#f7fbfe 0,#eef6fb 30%,#eaf3f8 100%);color:var(--text);min-height:100vh}
button,input,select{font:inherit} button{cursor:pointer}.shell{max-width:640px;margin:0 auto;padding:calc(18px + env(safe-area-inset-top)) 18px calc(105px + env(safe-area-inset-bottom))}.topbar,.section-head{display:flex;align-items:center;justify-content:space-between;gap:16px}.topbar{margin-bottom:18px}.topbar h1,.settings-head h2,.stats-head h2{margin:2px 0 0;font-size:32px;letter-spacing:-.04em}.eyebrow{text-transform:uppercase;letter-spacing:.12em;color:var(--muted);font-size:11px;font-weight:800}.icon-btn{width:46px;height:46px;border:0;border-radius:50%;background:var(--card);box-shadow:var(--shadow);font-size:21px}.view{display:none}.view.active{display:block}.card,.hero-card{background:rgba(255,255,255,.92);border:1px solid rgba(215,229,238,.9);box-shadow:var(--shadow);border-radius:var(--radius)}.hero-card{display:grid;grid-template-columns:132px 1fr;gap:18px;align-items:center;padding:20px}.ring{--p:0;width:126px;height:126px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--accent) calc(var(--p)*1%),#e6f0f5 0)}.ring:before{content:"";position:absolute}.ring-inner{width:96px;height:96px;border-radius:50%;background:white;display:flex;flex-direction:column;align-items:center;justify-content:center}.ring-inner strong{font-size:27px;letter-spacing:-.04em}.ring-inner span{font-size:12px;color:var(--muted)}.metric{white-space:nowrap}.metric strong{font-size:30px;letter-spacing:-.05em}.metric span{color:var(--muted);font-size:15px}.hero-copy p{margin:8px 0 0}.muted{color:var(--muted);font-size:13px;line-height:1.4}.daily-modes{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:12px 0}.mode-card{border:1px solid var(--line);background:rgba(255,255,255,.82);border-radius:18px;padding:13px;display:flex;align-items:center;gap:10px;text-align:left;color:var(--text)}.mode-card.active{border-color:#7bb9e2;background:#eaf7ff}.mode-card>span{font-size:22px}.mode-card b,.mode-card small{display:block}.mode-card small{color:var(--muted);margin-top:3px}.drink-btn{width:100%;border:0;border-radius:26px;background:linear-gradient(135deg,#1e78ba,#48a5dc);color:white;min-height:122px;display:grid;grid-template-columns:auto 1fr;grid-template-rows:auto auto;align-items:center;justify-items:start;padding:24px 28px;box-shadow:0 15px 34px rgba(44,132,198,.25)}.drink-btn>span{grid-row:1/3;font-size:42px;margin-right:18px;font-weight:300}.drink-btn strong{font-size:29px;align-self:end}.drink-btn small{align-self:start;opacity:.9;margin-top:2px}.quick-row{display:flex;gap:8px;margin-top:10px;overflow:auto;padding-bottom:2px}.quick-row button{flex:1;min-width:90px;border:1px solid var(--line);background:white;border-radius:14px;padding:11px;color:var(--text);font-weight:700}.text-btn,.link-btn{border:0;background:transparent;color:var(--accent);font-weight:700}.text-btn{width:100%;padding:12px}.text-btn.compact{width:auto}.link-btn{font-size:12px;padding:8px}.plan-card,.timeline-card{padding:18px;margin-top:12px}.section-head h2{font-size:18px;margin:0}.section-head>span{background:var(--accent-2);color:#236996;border-radius:999px;padding:6px 10px;font-size:12px;font-weight:800}.plan-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:18px}.plan-grid div{background:#f6fafc;border-radius:16px;padding:13px}.plan-grid span,.stats-summary span{display:block;color:var(--muted);font-size:12px;margin-bottom:5px}.plan-grid strong{font-size:17px}.timeline{margin-top:12px}.timeline.empty{color:var(--muted);font-size:14px;padding:8px 0}.event{display:flex;align-items:center;justify-content:space-between;border-top:1px solid #edf2f5;padding:11px 2px}.event:first-child{border-top:0}.event b{font-size:14px}.event span{font-size:12px;color:var(--muted)}.settings-head,.stats-head{margin-bottom:14px}.form-card{padding:18px;margin-bottom:12px}.form-card h3{margin:0 0 14px;font-size:16px}.form-card label{display:block;color:var(--muted);font-size:12px;font-weight:700;margin-top:12px}.form-card input,.form-card select{width:100%;margin-top:6px;border:1px solid var(--line);background:#f9fcfd;color:var(--text);border-radius:13px;padding:13px;outline:none}.form-card input:focus,.form-card select:focus{border-color:#72b4df;box-shadow:0 0 0 3px rgba(70,160,218,.12)}.two{display:grid;grid-template-columns:1fr 1fr;gap:10px}.switch-row{display:flex!important;align-items:center;justify-content:space-between;gap:18px;color:var(--text)!important}.switch-row span{min-width:0}.switch-row b,.switch-row small{display:block}.switch-row small{color:var(--muted);font-weight:500;margin-top:3px}.switch-row input{width:24px!important;height:24px;margin:0!important;flex:0 0 auto}.helper,.footnote{color:var(--muted);font-size:12px;line-height:1.45}.warning-card{border-color:#eadfca}.primary-btn{width:100%;border:0;border-radius:15px;padding:14px;background:var(--accent);color:white;font-weight:800}.danger-btn{width:100%;border:0;background:transparent;color:var(--danger);padding:16px;font-weight:700}.stats-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;padding:18px;margin-bottom:12px}.stats-summary div{text-align:center}.stats-summary strong{font-size:18px}.bars{height:230px;display:flex;align-items:flex-end;justify-content:space-between;gap:8px;padding:24px 16px 14px}.bar-wrap{height:100%;flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:7px}.bar-bg{height:150px;width:100%;max-width:42px;background:#edf3f6;border-radius:12px;display:flex;align-items:flex-end;overflow:hidden}.bar-fill{width:100%;min-height:3px;background:linear-gradient(180deg,#5bb2e3,#2b83c5);border-radius:12px}.bar-wrap small{font-size:11px;color:var(--muted)}.bar-wrap b{font-size:10px}.bottom-nav{position:fixed;left:50%;bottom:0;transform:translateX(-50%);width:min(640px,100%);display:grid;grid-template-columns:repeat(3,1fr);background:rgba(248,252,254,.92);backdrop-filter:blur(16px);border-top:1px solid var(--line);padding:8px 10px calc(8px + env(safe-area-inset-bottom));z-index:10}.nav-btn{border:0;background:transparent;color:var(--muted);padding:8px 4px;font-size:11px;font-weight:700}.nav-btn span{display:block;font-size:18px;margin-bottom:3px}.nav-btn.active{color:var(--accent)}dialog{border:0;border-radius:22px;padding:0;width:min(90vw,420px);box-shadow:0 30px 80px rgba(20,50,70,.25)}dialog::backdrop{background:rgba(10,25,35,.35);backdrop-filter:blur(3px)}.dialog-card{padding:22px}.dialog-card h3{margin-top:0}.dialog-card label{font-size:13px;color:var(--muted);font-weight:700}.dialog-card input{width:100%;padding:14px;border:1px solid var(--line);border-radius:13px;margin-top:8px}.dialog-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:18px}.toast{position:fixed;left:50%;bottom:100px;transform:translate(-50%,20px);background:#17384c;color:white;padding:10px 15px;border-radius:999px;font-size:13px;opacity:0;pointer-events:none;transition:.2s;z-index:30;white-space:nowrap}.toast.show{opacity:1;transform:translate(-50%,0)}
@media(max-width:420px){.shell{padding-left:14px;padding-right:14px}.hero-card{grid-template-columns:112px 1fr;padding:16px}.ring{width:108px;height:108px}.ring-inner{width:82px;height:82px}.ring-inner strong{font-size:23px}.metric strong{font-size:26px}.daily-modes{grid-template-columns:1fr}.two{grid-template-columns:1fr}.stats-summary strong{font-size:16px}}