:root{--rose: #e5484d;--rose-soft: #fff1f2;--green: #30a46c;--green-soft: #e9f7ef;--ink: #1c1c1e;--muted: #8a8a8e;--line: #ececf0;--card: #ffffff;--bg: #faf7f7;--amber: #fff8e1;--amber-line: #e6a817;--danger-bg: #fdecec;--grey-bg: #f2f2f4;--radius: 16px;color-scheme:light}[data-theme=dark]{--rose: #ff6369;--rose-soft: #3b1a1c;--green: #3dd68c;--green-soft: #14301f;--ink: #f2f2f5;--muted: #9a9aa2;--line: #2a2a30;--card: #1c1c20;--bg: #101013;--amber: #3a2f12;--amber-line: #a07d1a;--danger-bg: #3a1a1c;--grey-bg: #26262c;color-scheme:dark}@media(prefers-color-scheme:dark){html[data-theme=system]{--rose: #ff6369;--rose-soft: #3b1a1c;--green: #3dd68c;--green-soft: #14301f;--ink: #f2f2f5;--muted: #9a9aa2;--line: #2a2a30;--card: #1c1c20;--bg: #101013;--amber: #3a2f12;--amber-line: #a07d1a;--danger-bg: #3a1a1c;--grey-bg: #26262c;color-scheme:dark}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.001ms!important;transition-duration:.001ms!important}}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0}body{font-family:-apple-system,system-ui,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--ink);padding-bottom:env(safe-area-inset-bottom)}.app{max-width:480px;margin:0 auto;padding:16px 16px 88px}.hidden{display:none!important}.muted{color:var(--muted);font-size:13px}.err{color:var(--rose);font-size:13px;margin:8px 0}.top{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.top h1{font-size:20px;margin:0;letter-spacing:-.02em}.icon-btn{border:none;background:var(--card);border-radius:12px;padding:8px 12px;font:inherit;font-size:13px;color:var(--muted);cursor:pointer;box-shadow:0 1px 2px #0000000a}.card{background:var(--card);border-radius:var(--radius);padding:16px;box-shadow:0 1px 3px #0000000d;margin-bottom:12px;animation:rise .28s cubic-bezier(.22,1,.36,1) both}@keyframes rise{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}.card:nth-child(2){animation-delay:.04s}.card:nth-child(3){animation-delay:.08s}.card:nth-child(4){animation-delay:.12s}.card:nth-child(5){animation-delay:.16s}.card h2{font-size:15px;margin:0 0 12px;font-weight:600}.month-nav{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.month-nav strong{font-size:16px}.nav-btn{border:none;background:var(--bg);border-radius:10px;width:36px;height:36px;font-size:18px;cursor:pointer;color:var(--ink)}.grid{display:grid;grid-template-columns:repeat(7,1fr);gap:4px}.dow{font-size:11px;text-align:center;color:var(--muted);padding:4px 0;font-weight:600}.day{aspect-ratio:1;display:flex;align-items:center;justify-content:center;position:relative}.dnum{width:38px;height:38px;display:flex;align-items:center;justify-content:center;border-radius:50%;font-size:14px;border:2px solid transparent;cursor:pointer;background:none;color:var(--ink);font-family:inherit;transition:background .18s ease,color .18s ease,border-color .18s ease,transform .12s ease}.dnum:active{transform:scale(.88)}.dnum.today{box-shadow:inset 0 0 0 2px var(--muted)}.dnum.dim{color:var(--muted);opacity:.55}.dnum.pred-period{border-color:var(--rose)}.dnum.pred-fertile{border-color:var(--green)}.dnum.logged{background:var(--rose);color:#fff;border-color:var(--rose);font-weight:700}.dnum.fertile-logged{background:var(--green);color:#fff;border-color:var(--green);font-weight:700}.dnum.sel{outline:2px solid var(--rose);outline-offset:1px}.dot{position:absolute;bottom:3px;width:5px;height:5px;border-radius:50%;background:var(--muted)}.legend{display:flex;gap:14px;flex-wrap:wrap;margin-top:14px;font-size:12px;color:var(--muted)}.legend span{display:flex;align-items:center;gap:5px}.chip{width:12px;height:12px;border-radius:50%;border:2px solid transparent}.chip.period{border-color:var(--rose)}.chip.fertile{border-color:var(--green)}.chip.logged{background:var(--rose);border-color:var(--rose)}.chip.spot{background:var(--muted);width:6px;height:6px}.pred{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}.pred .big{font-size:17px;font-weight:700}.badge{font-size:11px;padding:3px 8px;border-radius:999px;background:var(--rose-soft);color:var(--rose);font-weight:600;transition:background .2s ease,color .2s ease}.badge.green{background:var(--green-soft);color:var(--green)}.badge.grey{background:var(--grey-bg);color:var(--muted)}.banner{border-radius:12px;padding:12px;font-size:13px;margin-bottom:12px;line-height:1.45}.banner.warn{background:var(--amber);border:1px solid var(--amber-line)}.banner.info{background:var(--rose-soft);border:1px solid #f5c2c7}.list{list-style:none;margin:0;padding:0}.list li{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid var(--line);font-size:14px;animation:rise .24s cubic-bezier(.22,1,.36,1) both}.list li:nth-child(1){animation-delay:.02s}.list li:nth-child(2){animation-delay:.05s}.list li:nth-child(3){animation-delay:.08s}.list li:nth-child(4){animation-delay:.11s}.list li:nth-child(5){animation-delay:.14s}.list li:last-child{border-bottom:none}.list .date{font-weight:600}.list .meta{color:var(--muted);font-size:12px}button{font-family:inherit}.btn{border:none;background:var(--bg);border-radius:12px;padding:10px 16px;font-size:14px;cursor:pointer;color:var(--ink);font-weight:500;transition:transform .12s ease,background .18s ease,color .18s ease,box-shadow .18s ease}.btn:active{transform:scale(.95)}.btn:focus-visible,.tab:focus-visible,.nav-btn:focus-visible,.icon-btn:focus-visible{outline:2px solid var(--rose);outline-offset:2px}.btn.primary{background:#c9333a;color:#fff}[data-theme=dark] .btn.primary{background:var(--rose);color:#1c1c1e}@media(prefers-color-scheme:dark){html[data-theme=system] .btn.primary{background:var(--rose);color:#1c1c1e}}.btn.on{background:#c9333a;color:#fff}[data-theme=dark] .btn.on{background:var(--rose);color:#1c1c1e}@media(prefers-color-scheme:dark){html[data-theme=system] .btn.on{background:var(--rose);color:#1c1c1e}}.btn.green{background:var(--green);color:#fff}.btn.ghost{background:transparent;color:var(--muted)}.btn.danger{background:var(--danger-bg);color:var(--rose)}.btn:disabled{opacity:.5}.row{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.row.tight{margin-top:8px}input,select{font:inherit;padding:11px 12px;border-radius:12px;border:1px solid var(--line);background:var(--bg);color:var(--ink);width:100%;transition:border-color .18s ease,box-shadow .18s ease}input:focus,select:focus{outline:2px solid var(--rose);outline-offset:0;border-color:transparent}.field{margin-bottom:10px}.field label{display:block;font-size:12px;color:var(--muted);margin-bottom:5px;font-weight:600}.field.inline{display:flex;align-items:center;gap:10px}.field.inline label{margin:0}.check{display:flex;align-items:center;gap:8px;font-size:14px;margin-top:10px}.check input{width:auto}.auth{padding-top:40px}.auth h1{font-size:26px;margin:0 0 6px;letter-spacing:-.03em}.auth .sub{color:var(--muted);margin-bottom:24px}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000059;z-index:10;animation:fade .18s ease both}@keyframes fade{0%{opacity:0}to{opacity:1}}.sheet{position:fixed;inset:auto 0 0 0;background:var(--card);z-index:11;border-radius:20px 20px 0 0;padding:20px 16px calc(20px + env(safe-area-inset-bottom));max-width:480px;margin:0 auto;box-shadow:0 -8px 30px #00000026;animation:up .18s ease-out}@keyframes up{0%{transform:translateY(100%)}to{transform:translateY(0)}}.sheet h3{margin:0 0 4px;font-size:16px}.sheet .hint{color:var(--muted);font-size:13px;margin-bottom:12px;line-height:1.45}.grabber{width:36px;height:4px;border-radius:2px;background:var(--line);margin:0 auto 14px}.tabbar{position:fixed;inset:auto 0 0 0;background:#ffffffeb;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-top:1px solid var(--line);z-index:5;display:flex;max-width:480px;margin:0 auto;padding-bottom:env(safe-area-inset-bottom);transition:background .25s ease}[data-theme=dark] .tabbar{background:#1c1c20eb}@media(prefers-color-scheme:dark){html[data-theme=system] .tabbar{background:#1c1c20eb}}.hero{transition:background .5s ease}.spinner{width:22px;height:22px;border-radius:50%;border:2.5px solid var(--line);border-top-color:var(--rose);animation:spin .7s linear infinite;margin:24px auto}@keyframes spin{to{transform:rotate(360deg)}}.pop{animation:pop .35s cubic-bezier(.34,1.56,.64,1) both}@keyframes pop{0%{transform:scale(.8);opacity:0}60%{transform:scale(1.06)}to{transform:scale(1);opacity:1}}.tab{flex:1;border:none;background:none;padding:10px 0 12px;cursor:pointer;font-size:11px;color:var(--muted);display:flex;flex-direction:column;align-items:center;gap:3px;font-family:inherit;font-weight:500;transition:color .18s ease,transform .12s ease}.tab:active{transform:scale(.92)}.tab .ico{font-size:19px;transition:transform .2s cubic-bezier(.34,1.56,.64,1)}.tab.active .ico{transform:translateY(-1px) scale(1.12)}.tab.active{color:var(--rose)}footer.disclaimer{margin-top:20px;font-size:11px;color:var(--muted);line-height:1.5}