:root{--bg1:#fff1f2;--bg2:#fdf2f8;--bg3:#faf5ff;--text:#0f172a;--muted:#64748b;--card:#fffffff0;--border:#ffe4e6;--rose:#f43f5e;--rose-dark:#be123c;--shadow:0 12px 30px #0f172a14}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,input,textarea,select{font:inherit}button{cursor:pointer}.app{background:linear-gradient(135deg, var(--bg1), var(--bg2), var(--bg3));min-height:100vh;color:var(--text)}.app.dark{--bg1:#020617;--bg2:#0f172a;--bg3:#2e1065;--text:#f8fafc;--muted:#cbd5e1;--card:#0f172af0;--border:#94a3b84d}.container{max-width:1180px;margin:0 auto;padding:24px 16px}.header{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:18px;margin-bottom:20px;display:flex}h1{margin:8px 0 6px;font-size:42px}h2{align-items:center;gap:8px;margin:0 0 16px;display:flex}h3{margin:0 0 8px}p{line-height:1.5}.muted{color:var(--muted)}.pill{color:var(--rose-dark);background:#ffffffd9;border-radius:999px;align-items:center;gap:8px;padding:6px 12px;font-size:14px;font-weight:800;display:inline-flex;box-shadow:0 2px 10px #0000000a}.dark .pill{color:#fecdd3;background:#0f172acc}.card{background:var(--card);border:1px solid var(--border);box-shadow:var(--shadow);color:var(--text);border-radius:28px;overflow:hidden}.pad{padding:22px}.actions{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.btn{background:var(--rose);color:#fff;border:0;border-radius:18px;justify-content:center;align-items:center;gap:8px;padding:12px 16px;font-weight:800;display:inline-flex;box-shadow:0 8px 18px #e11d482e}.btn-secondary{color:#334155;background:#fffffff5;border:1px solid #e2e8f0;box-shadow:0 2px 8px #0000000a}.dark .btn-secondary{color:#f8fafc;background:#1e293bf5;border-color:#94a3b873}.full{width:100%}.tabs{background:#ffffffbf;border-radius:28px;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:20px;padding:8px;display:grid;box-shadow:0 2px 10px #0000000a}.dark .tabs{background:#0f172ad9}.tab{color:var(--muted);background:0 0;border:0;border-radius:18px;justify-content:center;align-items:center;gap:6px;padding:12px 8px;font-weight:800;display:flex}.tab.active{background:var(--rose);color:#fff;box-shadow:0 8px 18px #f43f5e33}.message{background:var(--card);border:1px solid var(--border);color:var(--rose-dark);border-radius:18px;margin-bottom:16px;padding:12px 16px;font-weight:800;box-shadow:0 2px 10px #0000000d}.dark .message{color:#fecdd3}.small-message{margin-top:12px}.layout{grid-template-columns:2fr 1fr;gap:20px;display:grid}.main-col{min-width:0}.side-col{flex-direction:column;gap:20px;min-width:0;display:flex}.settings-grid{grid-template-columns:1fr 1fr;gap:20px;display:grid}.wide{grid-column:1/-1}.hero{color:#fff;background:linear-gradient(90deg,#f43f5e,#ec4899);padding:28px}.hero-row{align-items:center;gap:12px;display:flex}.hero h2{margin:4px 0;font-size:34px}.hero-sub{margin-top:14px;font-weight:800}.stats{grid-template-columns:repeat(3,1fr);gap:14px;padding:18px;display:grid}.stat-card,.tile{color:#0f172a;background:#fff1f2;border:1px solid #ffe4e6;border-radius:20px;padding:16px}.dark .stat-card,.dark .tile{color:#f8fafc;background:#1e293be6;border-color:#94a3b84d}.stat-card svg{color:var(--rose)}.stat-card p,.tile p{color:var(--muted);margin:0 0 6px;font-size:14px}.stat-card strong{font-size:24px;display:block}.tiles{grid-template-columns:repeat(3,1fr);gap:12px;display:grid}.card-head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px;display:flex}.month-controls{align-items:center;gap:10px;display:flex}.icon-btn{color:#475569;background:#fff;border:1px solid #e2e8f0;border-radius:999px;align-items:center;padding:8px;display:inline-flex}.dark .icon-btn{color:#f8fafc;background:#1e293bf2;border-color:#94a3b873}.phase-cards{grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:12px;display:grid}.phase-card{border:1px solid #0000;border-radius:20px;padding:14px}.phase-card p{color:#53627a;margin:8px 0 0;font-size:13px}.dark .phase-card p{color:#cbd5e1}.phase-title{align-items:center;gap:8px;display:flex}.phase-title strong{font-size:16px}.phase-card.rose{background:#fff1f2}.phase-card.sky{background:#f0f9ff}.phase-card.green{background:#ecfdf5}.phase-card.amber{background:#fffbeb}.phase-card.purple{background:#faf5ff}.phase-card.blue{background:#eff6ff}.dark .phase-card{background:#1e293bdb;border-color:#94a3b83d}.dot{border-radius:999px;width:14px;height:14px;display:inline-block}.dot.rose{background:#fecdd3;border:1px solid #fda4af}.dot.sky{background:#bae6fd;border:1px solid #38bdf8}.dot.green{background:#bbf7d0;border:1px solid #4ade80}.dot.amber{background:#fde68a;border:1px solid #fbbf24}.dot.purple{background:#e9d5ff;border:1px solid #c084fc}.dot.blue{background:#dbeafe;border:1px solid #93c5fd}.calendar-note,.phase-tip{color:var(--muted);font-size:12px;line-height:1.55}.weekdays,.calendar-grid{grid-template-columns:repeat(7,1fr);gap:8px;display:grid}.weekdays div{text-align:center;color:var(--muted);margin-bottom:8px;font-size:12px;font-weight:900}.day{text-align:left;color:#334155;background:#fff;border:1px solid #e2e8f0;border-radius:18px;flex-direction:column;gap:3px;min-height:82px;padding:8px;transition:all .15s;display:flex}.dark .day{color:#f8fafc;background:#0f172abf;border-color:#94a3b840}.day:hover:not(:disabled){transform:scale(1.02);box-shadow:0 6px 14px #00000014}.day.empty{cursor:default;background:0 0;border-color:#0000}.day.period{color:#881337;background:#ffe4e6;border-color:#fda4af}.day.predicted{color:#581c87;background:#f3e8ff;border-color:#c084fc}.day.fertile{color:#065f46;background:#ecfdf5;border-color:#a7f3d0}.day.follicular{color:#075985;background:#f0f9ff;border-color:#7dd3fc}.day.luteal{color:#92400e;background:#fffbeb;border-color:#fcd34d}.day.today-outline{outline:2px solid #64748b}.day.selected{outline:2px solid var(--rose);box-shadow:0 8px 20px #e11d4826}.day small{font-size:10px;font-weight:900}.selected-card{border:1px solid var(--border);background:var(--card);border-radius:24px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-top:18px;padding:18px;display:flex}.form{gap:14px;display:grid}.form label,.form.single,.two-fields label{display:block}.form span,.label,.two-fields span{color:var(--text);margin-bottom:6px;font-size:14px;font-weight:800;display:block}.form input,.form select,.form textarea,textarea,input,select{color:#0f172a;background:#fff;border:1px solid #e2e8f0;border-radius:18px;outline:none;width:100%;padding:12px 14px}.dark .form input,.dark .form select,.dark .form textarea,.dark textarea,.dark input,.dark select{color:#f8fafc;background:#1e293bf2;border-color:#94a3b873}input::placeholder,textarea::placeholder{color:#94a3b8}.form textarea,textarea{min-height:100px}.form small{color:var(--muted)}.two-fields{grid-template-columns:1fr 1fr;gap:12px;margin-bottom:16px;display:grid}.choice-grid{grid-template-columns:repeat(2,1fr);gap:8px;display:grid}.choice,.symptom{color:#475569;background:#fff;border:1px solid #e2e8f0;border-radius:18px;padding:10px;font-weight:800}.dark .choice,.dark .symptom{color:#f8fafc;background:#1e293bf2;border-color:#94a3b873}.choice.active,.symptom.active{color:#be123c;background:#ffe4e6;border-color:#fb7185}.symptom-grid{flex-wrap:wrap;gap:8px;display:flex}.custom-symptom{gap:8px;margin-top:12px;display:flex}.custom-list{background:#fff1f2;border-radius:18px;margin-top:12px;padding:12px}.dark .custom-list{background:#1e293be6}.entries{gap:12px;display:grid}.entry{border:1px solid var(--border);background:var(--card);border-radius:20px;padding:14px}.entry-head{justify-content:space-between;gap:10px;display:flex}.chips{flex-wrap:wrap;gap:8px;margin-top:10px;display:flex}.chip{border:0;border-radius:999px;padding:5px 10px;font-size:12px;font-weight:800}.rose-chip{color:#be123c;background:#fff1f2}.purple-chip{color:#581c87;background:#f3e8ff}.green-chip{color:#065f46;background:#ecfdf5}.blue-chip{color:#1d4ed8;background:#dbeafe}.sky-chip{color:#075985;background:#f0f9ff}.amber-chip{color:#92400e;background:#fffbeb}.gray-chip{color:#475569;background:#f1f5f9}.empty{color:var(--muted);background:#f1f5f9b3;border-radius:18px;padding:14px}.confidence{background:#fff1f2;border-radius:20px;margin-bottom:18px;padding:16px}.dark .confidence{background:#1e293be6}.confidence h3{font-size:28px}.confidence span{color:var(--rose-dark);background:#fff;border-radius:999px;margin:8px 0;padding:6px 10px;font-weight:800;display:inline-block}.summary-box,.info-box{border:1px solid var(--border);background:var(--card);border-radius:20px;margin-top:16px;padding:16px}.purple-box{background:#faf5ff}.green-box{background:#ecfdf5}.rose-box{background:#fff1f2}.amber-box{background:#fffbeb}.dark .purple-box,.dark .green-box,.dark .rose-box,.dark .amber-box{background:#1e293be6}.phase-insights,.suggestions{gap:10px;display:grid}.mini-card{color:#334155;background:#fff;border-radius:16px;padding:12px}.dark .mini-card{color:#f8fafc;background:#0f172ad9}.mini-card p,.mini-card li{color:#53627a;font-size:14px}.dark .mini-card p,.dark .mini-card li{color:#cbd5e1}.count-grid{grid-template-columns:repeat(2,1fr);gap:8px;display:grid}.count-row{color:#334155;background:#fff;border-radius:14px;justify-content:space-between;align-items:center;padding:10px 12px;display:flex}.dark .count-row{color:#f8fafc;background:#1e293bf2}.count-row strong{color:#be123c;background:#ffe4e6;border-radius:999px;padding:4px 8px}.disclaimer{color:var(--muted);margin-top:16px;font-size:12px}.setting-row{background:#f1f5f9e6;border-radius:18px;justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px;padding:14px;font-weight:800;display:flex}.dark .setting-row{color:#f8fafc;background:#1e293bf2}.setting-row input{width:20px;height:20px}.three-fields{grid-template-columns:repeat(3,1fr);gap:12px;display:grid}.two-actions{grid-template-columns:1fr 1fr;gap:8px;margin-top:14px;display:grid}.info-box p,.info-box li{color:#475569;font-size:14px}.dark .info-box p,.dark .info-box li{color:#cbd5e1}.two-panels{grid-template-columns:1fr 1fr;gap:16px;display:grid}.screen-center{justify-content:center;align-items:center;min-height:100vh;padding:20px;display:flex}.onboarding-card,.lock-card{width:100%;max-width:580px;padding:24px}.lock-card{text-align:center;max-width:420px}.big-icon{color:var(--rose);width:44px;height:44px}.center-input{text-align:center;margin:16px 0}@media (width>=900px){.tabs{grid-template-columns:repeat(7,1fr)}}@media (width<=900px){.phase-cards{grid-template-columns:repeat(2,1fr)}}@media (width<=850px){.layout,.settings-grid,.two-panels,.two-fields,.stats,.tiles,.three-fields,.count-grid{grid-template-columns:1fr}.tabs{grid-template-columns:repeat(4,1fr)}.tab{flex-direction:column;font-size:11px}.weekdays,.calendar-grid{gap:4px}.day{min-height:64px;padding:6px;font-size:12px}.selected-card{align-items:stretch}.selected-card .actions{width:100%}h1{font-size:34px}}@media (width<=560px){.phase-cards{grid-template-columns:1fr}.tabs{grid-template-columns:repeat(3,1fr)}.actions,.two-actions,.custom-symptom{flex-direction:column;display:flex}.btn{width:100%}}.welcome-screen{justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.welcome-shell{text-align:center;border:1px solid var(--border);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#ffffffdb;border-radius:36px;width:min(980px,100%);padding:34px;box-shadow:0 24px 70px #be123c24}.dark .welcome-shell{background:#0f172ae0;box-shadow:0 24px 70px #00000059}.welcome-logo{background:linear-gradient(135deg,#fff1f2,#ffe4e6);border-radius:30px;justify-content:center;align-items:center;width:110px;height:110px;margin:0 auto 18px;display:flex;box-shadow:0 14px 30px #f43f5e2e}.dark .welcome-logo{background:linear-gradient(135deg,#f43f5e47,#581c876b)}.welcome-petal{background:linear-gradient(#fb7185,#be123c);border-radius:50% 50% 42% 42%;width:58px;height:72px;position:relative}.welcome-petal:before,.welcome-petal:after{content:"";background:#fb718573;border-radius:50% 50% 42% 42%;width:48px;height:58px;position:absolute;bottom:0}.welcome-petal:before{left:-34px;transform:rotate(-32deg)}.welcome-petal:after{right:-34px;transform:rotate(32deg)}.welcome-petal span{z-index:2;background:#fff7f8;border-radius:50% 50% 48% 48%;width:26px;height:34px;position:absolute;bottom:8px;left:50%;transform:translate(-50%)}.welcome-shell h1{letter-spacing:-.05em;margin:16px 0 10px;font-size:clamp(42px,7vw,76px)}.welcome-lead{max-width:680px;color:var(--muted);margin:0 auto 26px;font-size:18px}.welcome-highlights{grid-template-columns:repeat(3,1fr);gap:14px;margin:26px 0;display:grid}.welcome-highlights div{text-align:left;border:1px solid var(--border);background:#ffffffb8;border-radius:24px;padding:18px}.dark .welcome-highlights div{background:#1e293bd9;border-color:#94a3b842}.welcome-highlights svg{color:var(--rose);margin-bottom:8px}.welcome-highlights strong{margin-bottom:5px;font-size:16px;display:block}.welcome-highlights p{color:var(--muted);margin:0;font-size:14px}.welcome-actions{flex-wrap:wrap;justify-content:center;gap:10px;margin-top:10px;display:flex}.welcome-actions .btn{min-width:190px}.welcome-note{max-width:620px;color:var(--muted);margin:22px auto 0;font-size:12px}@media (width<=780px){.welcome-shell{border-radius:28px;padding:24px}.welcome-highlights{grid-template-columns:1fr}.welcome-actions .btn{width:100%}}.brand-row{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.brand-home-btn{color:#be123c;background:#ffffffe6;border:0;border-radius:999px;align-items:center;gap:8px;padding:6px 12px 6px 7px;font-weight:900;transition:transform .15s,box-shadow .15s,background .15s;display:inline-flex;box-shadow:0 2px 10px #0000000d}.brand-home-btn:hover{background:#fff;transform:translateY(-1px);box-shadow:0 8px 20px #f43f5e24}.dark .brand-home-btn{color:#fecdd3;background:#1e293be6;border:1px solid #94a3b847}.dark .brand-home-btn:hover{background:#334155f2}.brand-mini-logo{background:linear-gradient(135deg,#fff1f2,#ffe4e6);border-radius:11px;justify-content:center;align-items:center;width:30px;height:30px;display:inline-flex;position:relative;box-shadow:inset 0 0 0 1px #f43f5e1f}.brand-mini-logo:before,.brand-mini-logo:after,.brand-mini-logo span{content:"";border-radius:999px 999px 8px 8px;width:10px;height:16px;position:absolute;bottom:7px}.brand-mini-logo span{z-index:2;background:#e11d48;left:10px}.brand-mini-logo:before{background:#fb7185;left:6px;transform:rotate(-28deg)}.brand-mini-logo:after{background:#fb7185;right:6px;transform:rotate(28deg)}@media (width<=560px){.brand-row{align-items:flex-start}.brand-home-btn{width:auto}}