:root{--ink:#25352d;--muted:#748078;--green:#3e765d;--green2:#dfece1;--peach:#eeaa7b;--paper:#f8f5ed;--card:rgba(255,255,255,.88);--line:#dfe5dd;--shadow:0 18px 55px rgba(44,67,54,.09)}
*{box-sizing:border-box}body{margin:0;min-height:100vh;color:var(--ink);font-family:ui-rounded,"SF Pro Rounded","Noto Sans TC",system-ui,sans-serif;background:radial-gradient(circle at 5% 0,#f2ddca 0,transparent 31%),radial-gradient(circle at 100% 14%,#dce9de 0,transparent 29%),var(--paper)}
button,input,textarea{font:inherit}.shell{width:min(1050px,100%);margin:auto;padding:28px 18px 72px}header{display:flex;justify-content:space-between;align-items:flex-end;gap:18px;margin-bottom:22px}.kicker,.step{color:var(--green);font-weight:850;letter-spacing:.12em;font-size:11px}h1{font-size:clamp(38px,7vw,66px);line-height:.95;letter-spacing:-.06em;margin:7px 0 8px}header p,.muted{color:var(--muted)}header p{margin:0}.header-actions{display:flex;align-items:center;gap:10px}.deadline{text-align:right;white-space:nowrap}.deadline b{display:block;color:var(--green);font-size:31px;line-height:1}.deadline span{font-size:12px;color:var(--muted)}
.panel{background:var(--card);border:1px solid rgba(255,255,255,.9);border-radius:24px;padding:22px;box-shadow:var(--shadow);backdrop-filter:blur(12px);margin-bottom:16px}.narrow{max-width:570px;margin:60px auto}.dashboard{display:grid;grid-template-columns:1.15fr .85fr;gap:16px}.summary{margin:0}.summary-top,.section-heading,.save-row{display:flex;justify-content:space-between;align-items:center;gap:14px}.big-number{font-size:clamp(52px,9vw,82px);line-height:1;font-weight:900;letter-spacing:-.06em;margin-top:8px}.big-number small{font-size:18px;letter-spacing:0;color:var(--muted)}.target{text-align:right;color:var(--muted);font-size:12px}.target strong{display:block;color:var(--ink);font-size:22px}.bar{height:12px;background:#e9ece6;border-radius:99px;overflow:hidden;margin:21px 0 16px}.bar i{display:block;width:0;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--peach),var(--green));transition:width .5s}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.metrics div{background:#f2f5ef;padding:12px;border-radius:15px}.metrics span{display:block;color:var(--muted);font-size:12px}.metrics b{font-size:18px}
h2{margin:6px 0 16px;font-size:20px}.row{display:flex;gap:9px}.measure-grid,.meals{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.measure-grid label,.wide-label{color:var(--muted);font-size:12px;font-weight:750}.measure-grid input{margin-top:6px}.meals label span{display:block;font-weight:800;margin-bottom:7px}input,textarea{width:100%;min-width:0;border:1px solid var(--line);border-radius:13px;background:rgba(255,255,255,.9);color:var(--ink);outline:none;padding:12px 13px}input:focus,textarea:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(62,118,93,.11)}textarea{resize:vertical;min-height:87px;line-height:1.5}.wide-label{display:block;margin-top:12px}.wide-label textarea{margin-top:7px;min-height:68px}
.login-fields{display:grid;gap:12px}.login-fields label{color:var(--muted);font-size:12px;font-weight:750}.login-fields input{margin-top:6px}.login-fields button{margin-top:4px}
button{border:0;border-radius:13px;padding:12px 17px;background:var(--green);color:#fff;font-weight:850;cursor:pointer}button:disabled{opacity:.55;cursor:wait}.secondary{background:var(--green2);color:var(--green)}.ghost{background:rgba(255,255,255,.7);color:var(--green);border:1px solid var(--line)}.save-row{justify-content:flex-start;margin-top:17px;flex-wrap:wrap}.notice{padding:12px 14px;background:var(--green2);border-radius:13px}.ai-dot{display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:var(--green);color:white;font-size:12px;font-weight:900}.feedback{border-color:#cddfce}.feedback #feedbackText{line-height:1.75;white-space:pre-wrap}.disclaimer{border-top:1px solid var(--line);padding-top:12px;margin:15px 0 0;color:var(--muted);font-size:11px}.history{display:grid;gap:9px}.history-item{display:grid;grid-template-columns:90px 1fr auto;gap:14px;align-items:center;padding:13px 4px;border-bottom:1px solid var(--line)}.history-item:last-child{border:0}.history-date{color:var(--muted);font-size:13px}.history-measure b{margin-right:13px}.history-measure span{color:var(--muted);font-size:12px}.history-ai{max-width:350px;color:var(--green);font-size:12px;text-align:right}.hidden{display:none!important}code{background:#eef1eb;padding:2px 5px;border-radius:5px}
.trend-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.trend-card{border:1px solid var(--line);border-radius:19px;padding:16px;background:rgba(248,250,246,.75);min-width:0}.trend-heading{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:8px}.trend-heading span{color:var(--muted);font-size:12px}.trend-heading b{display:block;margin-top:4px;font-size:14px}.trend-unit{background:var(--green2);color:var(--green)!important;padding:4px 8px;border-radius:99px;font-weight:800}.trend-chart{display:block;width:100%;height:auto;overflow:visible}.chart-empty{height:190px;display:grid;place-items:center;text-align:center;color:var(--muted);font-size:13px;padding:20px}.chart-note{color:var(--muted);font-size:11px;margin:12px 2px 0}.chart-grid{stroke:#dfe5dd;stroke-width:1}.chart-line{fill:none;stroke:var(--green);stroke-width:4;stroke-linecap:round;stroke-linejoin:round}.chart-area{fill:url(#chartGradient)}.chart-dot{fill:white;stroke:var(--green);stroke-width:3}.chart-label{fill:var(--muted);font-size:11px}.change-down{color:var(--green)}.change-up{color:#b56f52}.change-flat{color:var(--muted)}
@media(max-width:760px){header{align-items:flex-start}.dashboard{grid-template-columns:1fr}.summary{margin-bottom:0}.meals{grid-template-columns:1fr}.history-item{grid-template-columns:75px 1fr}.history-ai{grid-column:1/-1;text-align:left;max-width:none}.section-heading{align-items:flex-start}.section-heading>.muted{max-width:145px;text-align:right}.save-row button{width:100%}}
@media(max-width:760px){.trend-grid{grid-template-columns:1fr}}
@media(max-width:430px){.measure-grid{grid-template-columns:1fr 1fr}.metrics{grid-template-columns:1fr}.row{flex-direction:column}.header-actions{flex-direction:column-reverse;align-items:flex-end}}