/* Layout: sticky header with three views; calendar view = month grid + today strip on the left, the selected day's log on the right (stacks on phones). */
:root{
  --bg:#F6F3F5; --surface:#FFFFFF; --surface-2:#EFE9ED; --ink:#241C28; --muted:#6C6170; --line:#E2D8DF;
  --accent:#7B3A68; --accent-ink:#FFFFFF; --accent-soft:#F2E3EC;
  --period:#C23B4A; --period-soft:#F8DCE0; --fertile:#1E7C77; --fertile-soft:#DAEEEB;
  --pms:#B0602A; --pms-soft:#F6E5D5; --luteal-soft:#F2EEDF;
  --h-e:#7B3A68; --h-p:#B9861C; --h-lh:#1E7C77; --h-t:#C23B4A;
  --good:#2E7D55; --warn:#A8731B; --bad:#C23B4A;
  --font-display:ui-rounded, "SF Pro Rounded", "Avenir Next", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body:system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono:ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --r:12px;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#17121A; --surface:#211A25; --surface-2:#2B2230; --ink:#F1EAF2; --muted:#AD9FB2; --line:#3A3040;
  --accent:#D58BC0; --accent-ink:#1A1219; --accent-soft:#3A2536;
  --period:#EE7381; --period-soft:#4A2329; --fertile:#5BC2BA; --fertile-soft:#173835;
  --pms:#E39A62; --pms-soft:#41291A; --luteal-soft:#2F2B1F;
  --h-e:#D58BC0; --h-p:#E3B653; --h-lh:#5BC2BA; --h-t:#EE7381;
  --good:#6CC895; --warn:#E3B653; --bad:#EE7381; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#17121A; --surface:#211A25; --surface-2:#2B2230; --ink:#F1EAF2; --muted:#AD9FB2; --line:#3A3040;
  --accent:#D58BC0; --accent-ink:#1A1219; --accent-soft:#3A2536;
  --period:#EE7381; --period-soft:#4A2329; --fertile:#5BC2BA; --fertile-soft:#173835;
  --pms:#E39A62; --pms-soft:#41291A; --luteal-soft:#2F2B1F;
  --h-e:#D58BC0; --h-p:#E3B653; --h-lh:#5BC2BA; --h-t:#EE7381;
  --good:#6CC895; --warn:#E3B653; --bad:#EE7381; color-scheme:dark}

*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font-family:var(--font-body);font-size:15px;line-height:1.5}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:10;background:var(--surface)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
h1,h2,h3{font-family:var(--font-display);font-weight:700;margin:0;text-wrap:balance;letter-spacing:-.01em}
.num,.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}

.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:5;background:var(--surface);border-bottom:1px solid var(--line);
  padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.top-in{max-width:1180px;margin:0 auto;display:flex;align-items:center;gap:16px;padding-block:10px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;margin-right:auto}
.brand-mark{width:28px;height:28px;border-radius:50%;background:conic-gradient(var(--period) 0 18%,var(--h-e) 18% 50%,var(--fertile) 50% 62%,var(--h-p) 62% 100%);position:relative;flex:none}
.brand-mark::after{content:"";position:absolute;inset:7px;border-radius:50%;background:var(--surface)}
.brand h1{font-size:19px}
.tabs{display:flex;gap:4px;background:var(--surface-2);padding:3px;border-radius:999px}
.tab{border:0;background:transparent;padding:6px 14px;border-radius:999px;color:var(--muted);font-weight:700;font-size:14px}
.tab[aria-selected="true"]{background:var(--surface);color:var(--ink);box-shadow:0 1px 2px rgba(0,0,0,.08)}
.status{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:6px;white-space:nowrap}
.status i{width:8px;height:8px;border-radius:50%;background:var(--muted);display:inline-block}
.status[data-s="saved"] i{background:var(--good)} .status[data-s="saving"] i{background:var(--warn)} .status[data-s="error"] i,.status[data-s="local"] i{background:var(--bad)}

main{max-width:1180px;margin:0 auto;padding-block:20px 48px;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r)}
.eyebrow{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:700}
.muted{color:var(--muted)}
.small{font-size:13px}

.cal-layout{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:20px;align-items:start}
@media (max-width:900px){.cal-layout{grid-template-columns:minmax(0,1fr)}}
.left-col{display:flex;flex-direction:column;gap:16px;min-width:0}

/* Today strip */
.today{padding:16px 18px;display:grid;grid-template-columns:auto 1fr;gap:6px 18px;align-items:center}
.ring{width:84px;height:84px;grid-row:span 3}
.today h2{font-size:22px}
.today-facts{display:flex;flex-wrap:wrap;gap:6px}
.fact{font-size:13px;background:var(--surface-2);border-radius:999px;padding:3px 10px}
.fact b{font-family:var(--font-mono);font-weight:500}

/* Calendar */
.cal{padding:14px}
.cal-head{display:flex;align-items:center;gap:8px;margin-bottom:10px}
.cal-head h2{font-size:20px;margin-right:auto}
.icon-btn{border:1px solid var(--line);background:var(--surface);border-radius:8px;min-width:34px;height:34px;padding:0 10px;font-weight:700}
.icon-btn:hover{background:var(--surface-2)}
.wk,.grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:4px}
.wk div{font-size:11px;text-align:center;color:var(--muted);letter-spacing:.06em;text-transform:uppercase;padding-bottom:4px}
.cell{position:relative;aspect-ratio:1/1.02;border:1px solid transparent;border-radius:9px;background:var(--surface-2);padding:4px 5px;text-align:left;display:flex;flex-direction:column;justify-content:space-between;min-width:0;overflow:hidden}
.cell:hover{border-color:var(--muted)}
.cell .n{font-family:var(--font-mono);font-size:13px;line-height:1}
.cell.out{opacity:.42}
.cell.fert{background:var(--fertile-soft)}
.cell.pms{background:var(--pms-soft)}
.cell.per{background:var(--period);color:#fff}
.cell.ppred{border:1.5px dashed var(--period);background:var(--period-soft)}
.cell.ovu::after{content:"";position:absolute;top:5px;right:5px;width:9px;height:9px;border-radius:50%;border:2px solid var(--fertile)}
.cell.today .n{background:var(--ink);color:var(--surface);border-radius:5px;padding:2px 4px;margin:-2px -2px}
.cell.sel{outline:2px solid var(--accent);outline-offset:1px}
.marks{display:flex;gap:3px;align-items:center;flex-wrap:wrap;min-height:8px}
.mk{width:7px;height:7px;border-radius:50%;flex:none}
.mk.red{background:var(--bad);box-shadow:0 0 0 1.5px var(--surface)}
.mk.ok{background:var(--good);box-shadow:0 0 0 1.5px var(--surface)}
.mk.ph{border-radius:2px;background:var(--accent);box-shadow:0 0 0 1.5px var(--surface)}
.mk.tr{transform:rotate(45deg);border-radius:1px;background:var(--h-p);width:6px;height:6px;box-shadow:0 0 0 1.5px var(--surface)}
.sbar{position:absolute;left:0;right:0;bottom:0;height:4px}
.legend{display:flex;flex-wrap:wrap;gap:6px 14px;margin-top:12px;font-size:12px;color:var(--muted)}
.legend span{display:inline-flex;align-items:center;gap:6px}
.sw{width:14px;height:14px;border-radius:4px;display:inline-block}

/* Day panel */
.day{padding:0;position:sticky;top:calc(env(safe-area-inset-top,0px) + 70px);max-height:calc(100vh - 90px);overflow:auto}
@media (max-width:900px){.day{position:static;max-height:none}}
.day-head{display:flex;align-items:center;gap:8px;padding:14px 16px;border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--surface);z-index:1}
.day-head h2{font-size:19px;margin-right:auto}
.sec{padding:14px 16px;border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:10px}
.sec:last-child{border-bottom:0}
.sec h3{font-size:15px;display:flex;align-items:center;gap:8px}
.sec h3 .hint{font-family:var(--font-body);font-weight:400;font-size:13px;color:var(--muted);margin-left:auto}
.phase-pill{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:3px 10px;font-weight:700;font-size:13px}
.ph-menstrual{background:var(--period-soft);color:var(--period)}
.ph-follicular{background:var(--accent-soft);color:var(--accent)}
.ph-fertile{background:var(--fertile-soft);color:var(--fertile)}
.ph-luteal{background:var(--luteal-soft);color:var(--h-p)}
.ph-premenstrual{background:var(--pms-soft);color:var(--pms)}
.hchart{width:100%;height:auto;display:block}
.hlist{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:6px}
.hrow{display:flex;align-items:center;gap:8px;font-size:13px;background:var(--surface-2);border-radius:8px;padding:5px 8px}
.hrow .key{width:10px;height:3px;border-radius:2px;flex:none}
.hrow b{margin-left:auto;font-weight:700}
.recs{margin:0;padding-left:18px;display:flex;flex-direction:column;gap:4px}
.callout{background:var(--surface-2);border-radius:10px;padding:10px 12px;font-size:14px}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:5px 12px;font-size:14px;display:inline-flex;align-items:center;gap:6px}
.chip:hover{border-color:var(--muted)}
.chip[aria-pressed="true"]{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.chip.bad[aria-pressed="true"]{background:var(--bad);border-color:var(--bad);color:#fff}
.chip.goodc[aria-pressed="true"]{background:var(--good);border-color:var(--good);color:#fff}
.chip.per[aria-pressed="true"]{background:var(--period);border-color:var(--period);color:#fff}
.chip.ghost{border-style:dashed;color:var(--muted)}
.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.field{border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:7px 10px;min-width:0}
textarea.field{width:100%;min-height:72px;resize:vertical}
.btn{border:1px solid var(--accent);background:var(--accent);color:var(--accent-ink);border-radius:8px;padding:7px 14px;font-weight:700}
.btn.sec-btn{background:transparent;color:var(--accent)}
.btn:disabled{opacity:.5;cursor:default}
.slot-label{font-size:13px;font-weight:700;color:var(--muted)}
.scale{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:4px}
.scale button{border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:6px 2px;font-size:12px;line-height:1.2}
.scale button b{display:block;font-family:var(--font-mono);font-size:15px}
.scale button[aria-pressed="true"]{color:#fff;border-color:transparent}
.photo-wrap{display:grid;grid-template-columns:140px minmax(0,1fr);gap:12px;align-items:start}
@media (max-width:460px){.photo-wrap{grid-template-columns:minmax(0,1fr)}}
.photo-wrap img{width:100%;max-width:100%;border-radius:10px;display:block;aspect-ratio:3/4;object-fit:cover;background:var(--surface-2)}
.ai{display:flex;flex-direction:column;gap:6px;font-size:14px;min-width:0}
.ai .score{font-family:var(--font-mono);font-size:26px;line-height:1}
.ai .tags{display:flex;flex-wrap:wrap;gap:4px}
.tag{font-size:12px;background:var(--surface-2);border-radius:6px;padding:2px 7px}
.ai ul{margin:0;padding-left:18px}
.trt{display:flex;align-items:center;gap:8px;background:var(--surface-2);border-radius:8px;padding:6px 10px;font-size:14px}
.trt .x{margin-left:auto;border:0;background:transparent;color:var(--muted);font-size:18px;line-height:1}
.file-btn{position:relative;overflow:hidden}
.file-btn input{position:absolute;inset:0;opacity:0;cursor:pointer}

/* Insights */
.ins-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
@media (max-width:820px){.ins-grid{grid-template-columns:minmax(0,1fr)}}
.ins-card{padding:16px 18px;display:flex;flex-direction:column;gap:10px;min-width:0}
.ins-card.wide{grid-column:1/-1}
.ins-card h2{font-size:18px}
.ai-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.trend{font-weight:700;border-radius:999px;padding:3px 10px;font-size:13px;background:var(--surface-2)}
.trend.improving{background:var(--fertile-soft);color:var(--good)}
.trend.worsening{background:var(--period-soft);color:var(--bad)}
.cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}
.cols h3{font-size:14px;margin-bottom:4px}
.cols ul{margin:0;padding-left:18px;display:flex;flex-direction:column;gap:4px;font-size:14px}
.bars{display:flex;flex-direction:column;gap:8px}
.bar{display:grid;grid-template-columns:120px minmax(0,1fr) 44px;gap:8px;align-items:center;font-size:13px}
.bar .track{height:12px;background:var(--surface-2);border-radius:6px;overflow:hidden}
.bar .fill{height:100%;border-radius:6px}
.bar .v{font-family:var(--font-mono);text-align:right}
.compare{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.stat{background:var(--surface-2);border-radius:10px;padding:10px 12px}
.stat .big{font-family:var(--font-mono);font-size:24px}
.strip{display:flex;gap:10px;overflow-x:auto;padding-bottom:6px}
.thumb{flex:none;width:92px;border:0;background:transparent;padding:0;text-align:left;font-size:12px}
.thumb img{width:92px;height:120px;object-fit:cover;border-radius:8px;display:block;background:var(--surface-2)}
.chart-box{overflow-x:auto}
.empty{border:1px dashed var(--line);border-radius:10px;padding:14px;color:var(--muted);font-size:14px}

/* Setup */
.setup-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
@media (max-width:820px){.setup-grid{grid-template-columns:minmax(0,1fr)}}
.prod{display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:8px;align-items:center;padding:8px 0;border-bottom:1px solid var(--line)}
.prod:last-child{border-bottom:0}
.prod .nm{font-weight:700;overflow-wrap:anywhere}
.prod .kd{font-size:12px;color:var(--muted)}
.disclaimer{font-size:12px;color:var(--muted);max-width:70ch}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
@media (max-width:520px){.tab{padding:6px 10px}.brand h1{font-size:17px}.cell{padding:3px}.cell .n{font-size:12px}}

/* Standalone page base (the Claude version got these from its host) */
:root{color-scheme:light;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
body{margin:0;-webkit-text-size-adjust:100%}
img{max-width:100%}
[hidden]{display:none!important}
code{font-family:var(--font-mono);font-size:.92em;background:var(--surface-2);padding:1px 5px;border-radius:5px}

/* Sign-in */
.auth{min-height:100vh;display:grid;place-items:center;padding-block:24px;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.auth-card{width:100%;max-width:400px;padding:24px;display:flex;flex-direction:column;gap:14px}
.auth-card h1{font-size:22px}
.auth-form{display:flex;flex-direction:column;gap:6px}
.auth-form label{font-size:13px;font-weight:700;color:var(--muted)}
.auth-form .field{width:100%;padding:10px 12px}
.auth-form .btn{margin-top:10px;padding:10px 14px}
.auth-alt{justify-content:space-between}
.linkish{border:0;background:none;color:var(--accent);padding:0;font-size:14px;text-decoration:underline;text-underline-offset:3px}
.auth-msg{font-size:14px;min-height:1.2em}
.auth-msg.err{color:var(--bad)}
.keyfield{width:100%;font-family:var(--font-mono)}