.diet-app{--bg:#faf3ea;--card:#fffdf8;--ink:#3d2c22;--muted:#8a7361;--brand:#c47a3f;--brand-strong:#a35f2c;--brand-soft:#f7e8d8;--accent:#d9a05b;--line:#ecdcc9;--shadow:0 12px 28px #a35f2c1f;background:var(--bg);color:var(--ink);min-height:100vh;font-family:PingFang SC,Microsoft YaHei,Hiragino Sans GB,sans-serif}.diet-app .hero{color:var(--ink);text-align:center;border-bottom:1px solid var(--line);background:linear-gradient(160deg,#f6e3cd 0%,#eed3b2 100%);padding:56px 20px 64px}.diet-app .hero-inner{max-width:640px;margin:0 auto}.diet-app .hero-eyebrow{letter-spacing:2px;color:var(--brand-strong);background:#fff9;border:1px solid #a35f2c33;border-radius:999px;margin-bottom:14px;padding:6px 16px;font-size:13px;display:inline-block}.diet-app .hero-title{letter-spacing:1px;margin:0 0 12px;font-size:32px;font-weight:800}.diet-app .hero-sub{color:var(--muted);max-width:440px;margin:0 auto;font-size:15px;line-height:1.8}.diet-app .main{z-index:2;max-width:760px;margin:-28px auto 0;padding:0 16px 48px;position:relative}.diet-app .card{background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:18px;margin-bottom:24px;padding:26px}.diet-app .card-head{justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:18px;display:flex}.diet-app .card-title{color:var(--ink);margin:0 0 6px;font-size:19px;font-weight:800}.diet-app .card-desc{color:var(--muted);margin:0;font-size:13px;line-height:1.7}.diet-app .field-grid{grid-template-columns:repeat(2,1fr);gap:16px;margin-bottom:18px;display:grid}.diet-app .field{flex-direction:column;gap:8px;display:flex}.diet-app .field-label{color:var(--muted);font-size:13px;font-weight:600}.diet-app .input-wrap{border:1.5px solid var(--line);background:#fffdf8;border-radius:14px;align-items:center;transition:border-color .15s,box-shadow .15s;display:flex;overflow:hidden}.diet-app .input-wrap:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px #c47a3f1f}.diet-app .input-wrap input{min-width:0;color:var(--ink);background:0 0;border:none;outline:none;flex:1;padding:12px 14px;font-size:15px}.diet-app .input-unit{color:var(--muted);white-space:nowrap;padding:0 14px;font-size:13px}.diet-app .segmented{border:1.5px solid var(--line);background:#fffdf8;border-radius:14px;display:flex;overflow:hidden}.diet-app .segmented button{color:var(--muted);cursor:pointer;background:0 0;border:none;flex:1;padding:11px 0;font-size:14px;font-weight:600;transition:background .15s,color .15s}.diet-app .segmented button.seg-on{background:var(--brand);color:#fff}.diet-app .activity-list{grid-template-columns:1fr 1fr;gap:8px;display:grid}.diet-app .activity-option{border:1.5px solid var(--line);color:var(--ink);cursor:pointer;background:#fffdf8;border-radius:12px;align-items:center;gap:8px;padding:10px 12px;font-size:13px;transition:border-color .15s,background .15s;display:flex}.diet-app .activity-option:has(input:checked){border-color:var(--brand);background:var(--brand-soft);font-weight:600}.diet-app .activity-option input{accent-color:var(--brand)}.diet-app .results{border:1px solid var(--line);text-align:center;background:linear-gradient(150deg,#fdf3e7,#f8e8d4);border-radius:16px;margin-top:18px;padding:22px}.diet-app .result-primary{flex-direction:column;align-items:center;margin-bottom:16px;display:flex}.diet-app .result-num{color:var(--brand-strong);font-size:42px;font-weight:800;line-height:1.1}.diet-app .result-unit{color:var(--muted);font-size:13px}.diet-app .result-label{color:var(--ink);margin-top:4px;font-size:14px;font-weight:700}.diet-app .result-grid{grid-template-columns:1fr 1fr;gap:12px;display:grid}.diet-app .result-item{border:1px solid var(--line);background:#fffdf8;border-radius:12px;flex-direction:column;gap:4px;padding:14px 10px;display:flex}.diet-app .result-item-num{color:var(--brand-strong);font-size:19px;font-weight:800}.diet-app .result-item-label{color:var(--muted);font-size:12px}.diet-app .result-note{color:var(--muted);margin:14px 0 0;font-size:12px;line-height:1.7}.diet-app .hint{color:var(--muted);border:1px dashed var(--line);text-align:center;background:#fdf6ec;border-radius:12px;padding:14px;font-size:13px}.diet-app .clear-btn{border:1.5px solid var(--line);color:var(--muted);cursor:pointer;white-space:nowrap;background:#fffdf8;border-radius:999px;padding:7px 14px;font-size:13px}.diet-app .clear-btn:hover{border-color:var(--brand);color:var(--brand-strong)}.diet-app .search-wrap{margin-bottom:12px}.diet-app .search-input{border:1.5px solid var(--line);width:100%;color:var(--ink);background:#fffdf8;border-radius:14px;outline:none;padding:12px 14px;font-size:14px}.diet-app .search-input:focus{border-color:var(--brand);box-shadow:0 0 0 4px #c47a3f1f}.diet-app .category-row{flex-wrap:wrap;gap:8px;margin-bottom:14px;display:flex}.diet-app .category-row button{border:1.5px solid var(--line);color:var(--muted);cursor:pointer;background:#fffdf8;border-radius:999px;padding:7px 14px;font-size:13px}.diet-app .category-row button.cat-on{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}.diet-app .food-list{grid-template-columns:1fr 1fr;gap:10px;max-height:420px;padding-right:2px;display:grid;overflow-y:auto}.diet-app .food-item{border:1.5px solid var(--line);cursor:pointer;text-align:left;background:#fffdf8;border-radius:14px;flex-direction:column;align-items:flex-start;gap:4px;padding:12px 14px;transition:border-color .15s,transform .15s,box-shadow .15s;display:flex;position:relative}.diet-app .food-item:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:0 8px 18px #a35f2c1a}.diet-app .food-name{color:var(--ink);padding-right:24px;font-size:14px;font-weight:700}.diet-app .food-meta{color:var(--muted);font-size:12px;line-height:1.5}.diet-app .food-add{background:var(--brand-soft);width:22px;height:22px;color:var(--brand-strong);text-align:center;border-radius:50%;font-size:15px;font-weight:700;line-height:22px;position:absolute;top:12px;right:12px}.diet-app .progress-wrap{margin-bottom:16px}.diet-app .progress-bar{background:var(--brand-soft);border-radius:999px;height:12px;overflow:hidden}.diet-app .progress-fill{background:linear-gradient(90deg, var(--brand), var(--accent));border-radius:999px;height:100%;transition:width .3s}.diet-app .progress-text{color:var(--muted);margin:8px 0 0;font-size:13px;line-height:1.6}.diet-app .progress-text strong{color:var(--brand-strong)}.diet-app .summary-list{flex-direction:column;gap:10px;margin:0 0 16px;padding:0;list-style:none;display:flex}.diet-app .summary-item{border:1px solid var(--line);background:#fffdf8;border-radius:12px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;padding:10px 12px;display:flex}.diet-app .summary-info{flex-direction:column;min-width:90px;display:flex}.diet-app .summary-name{color:var(--ink);font-size:14px;font-weight:700}.diet-app .summary-grams{color:var(--muted);font-size:12px}.diet-app .summary-controls{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.diet-app .stepper{border:1px solid var(--line);width:28px;height:28px;color:var(--brand-strong);cursor:pointer;background:#fffdf8;border-radius:9px;font-size:16px}.diet-app .grams-input{border:1px solid var(--line);text-align:center;width:64px;color:var(--ink);background:#fffdf8;border-radius:9px;outline:none;padding:6px 8px;font-size:13px}.diet-app .grams-input:focus{border-color:var(--brand)}.diet-app .summary-kcal{color:var(--brand-strong);text-align:right;min-width:60px;font-size:13px;font-weight:700}.diet-app .remove-btn{color:var(--muted);cursor:pointer;background:0 0;border:none;font-size:12px;text-decoration:underline}.diet-app .summary-total{border-top:2px solid var(--line);color:var(--ink);justify-content:space-between;align-items:center;padding-top:14px;font-size:15px;display:flex}.diet-app .summary-total strong{color:var(--brand-strong);font-size:22px;font-weight:800}.diet-app .summary-note{margin:10px 0 0;font-size:13px;line-height:1.6}.diet-app .summary-note.ok{color:var(--brand-strong)}.diet-app .summary-note.over{color:#c05621}.diet-app .site-footer{text-align:center;color:var(--muted);padding:8px 0 0;font-size:12px;line-height:1.8}@media (max-width:560px){.diet-app .field-grid{grid-template-columns:1fr 1fr}.diet-app .food-list,.diet-app .activity-list{grid-template-columns:1fr}.diet-app .hero-title{font-size:26px}.diet-app .result-grid{grid-template-columns:1fr}}