:root{--pink:#eb658c;--pink-dark:#c94870;--blush:#fff1f5;--line:#f4dbe3;--ink:#33252a;--muted:#806a72;--white:#fff;--shadow:0 16px 45px rgba(173,63,102,.12)}*{box-sizing:border-box}body{margin:0;background:linear-gradient(150deg,#fffafb 0%,#fff5f8 48%,#ffeef4 100%);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;min-height:100vh}.shell{width:min(100% - 32px,700px);margin:0 auto;padding:30px 0 62px}.app-shell.hidden,.front-gate.hidden,.auth-card.hidden,.duo-qr.hidden,#enroll-code.hidden,#confirm-enroll-button.hidden{display:none}.topbar,.section-heading,.form-actions{display:flex;align-items:center;justify-content:space-between;gap:18px}.topbar{margin-bottom:23px}h1,h2,p{margin:0}h1{font-size:26px;letter-spacing:-.8px}h2{font-size:19px;letter-spacing:-.4px}.eyebrow{font-size:10px;letter-spacing:1.8px;font-weight:750;color:var(--pink);margin-bottom:6px}.ghost-button,.period-button{border:0;background:transparent;color:var(--muted);font:inherit;cursor:pointer}.ghost-button{padding:10px 12px;border-radius:12px}.ghost-button:hover{background:#fff0f4;color:var(--pink-dark)}.summary-card{background:linear-gradient(125deg,#f9a6bd,#e96289);border-radius:25px;box-shadow:var(--shadow);padding:28px 30px;display:flex;justify-content:space-between;align-items:center;color:#fff;margin-bottom:18px;overflow:hidden}.summary-label{font-size:13px;font-weight:650;opacity:.88}.latest-weight{font-size:56px;line-height:1.08;font-weight:750;letter-spacing:-2px;margin:4px 0}.latest-weight small{font-size:17px;font-weight:650;letter-spacing:0;margin-left:5px}.summary-note{font-size:13px;opacity:.92}.flower{font-size:75px;line-height:1;opacity:.72;transform:rotate(15deg)}.card{background:rgba(255,255,255,.9);border:1px solid rgba(255,255,255,.9);border-radius:22px;box-shadow:var(--shadow);padding:23px;margin-bottom:18px}.period-switch{background:var(--blush);padding:3px;border-radius:11px;display:flex}.period-button{font-size:12px;padding:7px 9px;border-radius:8px}.period-button.active{background:#fff;color:var(--pink-dark);box-shadow:0 2px 8px rgba(186,76,111,.13);font-weight:700}.chart-card{min-height:270px}.chart-empty{height:180px;display:grid;place-items:center;text-align:center;color:var(--muted);font-size:14px}#trend-chart{display:none;width:100%;height:190px;overflow:visible}.chart-grid{stroke:#f5e3e8;stroke-width:1}.chart-line{fill:none;stroke:var(--pink);stroke-width:4;stroke-linejoin:round;stroke-linecap:round}.chart-area{fill:url(#area-gradient)}.chart-dot{fill:#fff;stroke:var(--pink);stroke-width:3}.chart-label{fill:#977881;font-size:11px}.form-card label{display:grid;gap:8px;font-size:14px;font-weight:650;margin-top:18px}.pink{color:var(--pink)}.optional{font-weight:400;color:var(--muted)}input,textarea{width:100%;border:1px solid var(--line);border-radius:13px;padding:13px 14px;color:var(--ink);background:#fff;font:inherit;outline:0;transition:border .18s,box-shadow .18s}input:focus,textarea:focus{border-color:#ef8eaa;box-shadow:0 0 0 4px #ffe5ed}textarea{resize:vertical}.form-actions{margin-top:22px}.primary-button{border:0;border-radius:13px;background:var(--pink);padding:13px 19px;color:#fff;font-weight:750;font:inherit;cursor:pointer;box-shadow:0 8px 18px rgba(205,72,112,.24);transition:transform .16s,background .16s}.primary-button:hover{background:var(--pink-dark);transform:translateY(-1px)}.records-section{padding:8px 1px}.record-count{color:var(--muted);font-size:13px}.records-list{display:grid;gap:11px;margin-top:18px}.record{background:rgba(255,255,255,.86);border:1px solid #fff;border-radius:18px;padding:16px 17px;display:grid;grid-template-columns:1fr auto;gap:10px;box-shadow:0 8px 24px rgba(175,73,106,.07)}.record-main{display:grid;gap:5px}.record-weight{font-size:22px;font-weight:750;letter-spacing:-.5px}.record-time{font-size:12px;color:var(--muted)}.activity{display:inline-flex;width:max-content;max-width:100%;padding:5px 9px;border-radius:8px;background:#fff0f4;color:var(--pink-dark);font-size:12px;overflow-wrap:anywhere}.record-actions{display:flex;align-items:start;gap:2px}.icon-button{border:0;background:transparent;padding:7px;color:var(--muted);cursor:pointer;border-radius:9px;font:inherit;font-size:12px}.icon-button:hover{background:var(--blush);color:var(--pink-dark)}.empty-history{padding:25px 10px;text-align:center;color:var(--muted);font-size:14px}.front-gate{position:fixed;inset:0;z-index:5;display:grid;place-items:center;align-content:center;overflow:hidden;padding:28px;background:radial-gradient(circle at 15% 12%,#ffe1eb 0 7%,transparent 30%),radial-gradient(circle at 87% 85%,#ffdce7 0 8%,transparent 33%),linear-gradient(145deg,#fff9fb,#fff0f5 55%,#ffe5ed)}.gate-orb{position:absolute;border-radius:999px;filter:blur(1px);opacity:.68}.orb-one{width:280px;height:280px;background:#f7a6bd;top:-118px;right:-90px}.orb-two{width:210px;height:210px;background:#ffc5d5;bottom:-85px;left:-70px}.gate-brand{position:absolute;top:calc(12% - 8px);display:flex;align-items:center;gap:9px;color:#9b566c;font-size:11px;letter-spacing:2.1px;font-weight:800}.brand-mark{font-size:20px;color:var(--pink)}.auth-card{position:relative;width:min(100%,390px);background:rgba(255,255,255,.82);backdrop-filter:blur(18px);border:1px solid rgba(255,255,255,.9);border-radius:29px;padding:34px 29px;box-shadow:0 25px 70px rgba(124,48,76,.18);text-align:center}.lock-badge{width:54px;height:54px;border-radius:18px;background:var(--blush);color:var(--pink);font-size:29px;display:grid;place-items:center;margin:0 auto 19px}.auth-card h2{font-size:25px}.auth-copy{color:var(--muted);font-size:14px;line-height:1.55;margin:9px auto 21px}.auth-message{font-size:12px;min-height:18px;color:var(--muted);margin:11px 0 16px}.auth-message.error{color:#bb335c}.text-button{display:block;margin:10px auto 0;border:0;background:transparent;color:var(--pink-dark);font:inherit;font-size:12px;cursor:pointer}.duo-qr{display:block;width:190px;height:190px;margin:19px auto 15px;border-radius:14px;border:10px solid #fff;box-shadow:0 5px 18px rgba(136,61,90,.12)}.recovery-codes{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:18px 0}.recovery-codes code{background:var(--blush);border-radius:9px;padding:9px 5px;color:var(--pink-dark);font-size:12px;font-weight:750;letter-spacing:.5px}.gate-footer{position:absolute;bottom:8%;font-size:12px;color:#a87b89;letter-spacing:.5px}.full-width{width:100%}.toast{position:fixed;left:50%;bottom:23px;z-index:9;transform:translate(-50%,20px);background:#38272d;color:#fff;padding:11px 15px;border-radius:12px;font-size:13px;opacity:0;pointer-events:none;transition:.2s;box-shadow:0 10px 30px rgba(43,22,30,.2)}.toast.show{opacity:1;transform:translate(-50%,0)}.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}@media(max-width:480px){.shell{width:min(100% - 24px,700px);padding-top:22px}.summary-card{padding:23px}.latest-weight{font-size:49px}.flower{font-size:60px}.card{padding:19px}.topbar h1{font-size:23px}.period-button{padding:6px 7px}.gate-brand{top:10%}.gate-footer{bottom:7%}}