:root{--bg: #f6f4ef;--bg-raised: #fefdfb;--ink: #23222a;--ink-soft: #4f4d59;--ink-faint: #82808c;--line: #e4e0d7;--line-strong: #d3cec2;--accent: #3f6f6a;--accent-deep: #2f5450;--accent-soft: #e5ede9;--accent-ring: rgba(63, 111, 106, .28);--menstrual: #b8674f;--menstrual-soft: #f3e3dc;--follicular: #6d8a5e;--follicular-soft: #e6ecdf;--ovulation: #c19a4a;--ovulation-soft: #f2e9d5;--luteal: #6b7392;--luteal-soft: #e5e7ef;--danger: #9a4033;--ok: #3f6f6a;--radius: 16px;--radius-sm: 10px;--shadow-sm: 0 1px 2px rgba(35, 34, 42, .06);--shadow: 0 6px 24px rgba(35, 34, 42, .08);--shadow-lg: 0 18px 50px rgba(35, 34, 42, .12);--font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--font-display: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;--maxw: 1080px}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}h1,h2,h3{font-family:var(--font-display);font-weight:600;line-height:1.15;letter-spacing:-.01em;color:var(--ink);margin:0 0 .4em}h1{font-size:clamp(2rem,5vw,3.2rem)}h2{font-size:clamp(1.5rem,3.5vw,2.1rem)}h3{font-size:1.2rem}p{margin:0 0 1rem}a{color:var(--accent-deep);text-decoration:none}a:hover{text-decoration:underline}:focus-visible{outline:3px solid var(--accent-ring);outline-offset:2px;border-radius:4px}.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}.app-header{position:sticky;top:0;z-index:20;border-bottom:1px solid var(--line);background:var(--bg-raised)}.app-header-inner{position:relative;display:flex;min-height:64px;align-items:center;justify-content:space-between;gap:16px}.app-nav{display:flex;align-items:center;gap:6px}.app-nav-toggle{display:none;align-items:center;justify-content:center;gap:8px;min-height:42px;padding:8px 12px;color:var(--accent-deep);background:var(--bg-raised);border:1px solid var(--line-strong);border-radius:var(--radius-sm);font:inherit;font-size:.9rem;font-weight:600;cursor:pointer}.narrow{max-width:620px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:var(--font-body);font-size:1rem;font-weight:600;line-height:1;padding:13px 20px;border-radius:var(--radius-sm);border:1px solid transparent;cursor:pointer;transition:transform .12s ease,background .15s ease,box-shadow .15s ease,border-color .15s ease;text-decoration:none}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff;box-shadow:var(--shadow-sm)}.btn-primary:hover{background:var(--accent-deep);text-decoration:none}.btn-secondary{background:var(--bg-raised);color:var(--ink);border-color:var(--line-strong)}.btn-secondary:hover{border-color:var(--ink-faint);text-decoration:none}.btn-ghost{background:transparent;color:var(--accent-deep);padding:10px 12px}.btn-danger{background:transparent;color:var(--danger);border-color:#9a403366}.btn-danger:hover{background:#9a40330f;text-decoration:none}.btn-block{width:100%}.btn-sm{padding:9px 14px;font-size:.9rem}.card{background:var(--bg-raised);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}.panel{background:var(--bg-raised);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(20px,4vw,32px);box-shadow:var(--shadow-sm)}.field{margin-bottom:18px}.field label{display:block;font-weight:600;font-size:.95rem;margin-bottom:6px}.field .help{font-size:.85rem;color:var(--ink-faint);margin:4px 0 0}input[type=text],input[type=email],input[type=password],input[type=number],input[type=date],select,textarea{width:100%;font-family:var(--font-body);font-size:1rem;color:var(--ink);background:var(--bg-raised);border:1px solid var(--line-strong);border-radius:var(--radius-sm);padding:12px 14px;transition:border-color .15s ease,box-shadow .15s ease}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-ring)}textarea{resize:vertical;min-height:84px}.muted{color:var(--ink-faint)}.small{font-size:.88rem}.stack>*+*{margin-top:16px}.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}.detail-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:8px}.detail-identity{min-width:0}.detail-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.estimate-overview{display:grid;grid-template-columns:minmax(200px,260px) minmax(0,1fr);align-items:center;gap:28px}.estimate-summary{min-width:0}.estimate-badges{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.cycle-ring{min-width:0}@media(max-width:680px){.app-header-inner{min-height:60px}.app-nav-toggle{display:inline-flex}.app-nav{position:absolute;top:calc(100% + 1px);right:20px;left:20px;display:none;padding:10px;background:var(--bg-raised);border:1px solid var(--line);border-top:0;border-radius:0 0 var(--radius) var(--radius);box-shadow:var(--shadow)}.app-nav-open{display:grid;gap:4px}.app-nav .btn{width:100%;min-height:44px;justify-content:flex-start;padding:11px 14px}.app-nav .btn-primary,.app-nav .btn-secondary{justify-content:center;margin-top:4px}.detail-heading{display:grid;gap:18px}.detail-actions{display:grid;grid-template-columns:minmax(0,1fr) auto;width:100%}.detail-actions .btn{min-height:48px}.estimate-overview{grid-template-columns:minmax(0,1fr);gap:18px}.cycle-ring{order:2}.estimate-summary{order:1}}@media(max-width:380px){.container{padding-right:16px;padding-left:16px}.app-nav{right:16px;left:16px}.detail-actions{grid-template-columns:1fr}}@media(max-width:520px){.grid-2{grid-template-columns:1fr}}.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:.75rem;font-weight:700;color:var(--accent-deep)}.pill{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;font-size:.82rem;font-weight:600;border:1px solid var(--line-strong);background:var(--bg-raised)}.phase-badge{display:inline-flex;align-items:center;gap:7px;padding:5px 13px;border-radius:999px;font-weight:600;font-size:.85rem}.phase-badge .dot{width:9px;height:9px;border-radius:50%}.phase-menstrual{background:var(--menstrual-soft);color:#7d3d2c}.phase-menstrual .dot{background:var(--menstrual)}.phase-follicular{background:var(--follicular-soft);color:#43552f}.phase-follicular .dot{background:var(--follicular)}.phase-ovulation{background:var(--ovulation-soft);color:#7a5f1f}.phase-ovulation .dot{background:var(--ovulation)}.phase-luteal{background:var(--luteal-soft);color:#414765}.phase-luteal .dot{background:var(--luteal)}.conf{font-size:.78rem;font-weight:600;padding:3px 10px;border-radius:999px}.conf-high{background:var(--accent-soft);color:var(--accent-deep)}.conf-moderate{background:#f2ecdd;color:#7a5f1f}.conf-low{background:#efe6e3;color:#8a4436}.disclaimer{font-size:.85rem;color:var(--ink-soft);background:var(--bg-raised);border:1px solid var(--line);border-left:3px solid var(--line-strong);border-radius:var(--radius-sm);padding:12px 16px}.skip-link{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:10px 16px;border-radius:8px;z-index:100}.skip-link:focus{left:12px}@media(prefers-reduced-motion:reduce){*{animation-duration:.001ms!important;transition-duration:.001ms!important}}@keyframes spin{to{transform:rotate(360deg)}}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}