:root{color-scheme:light;--ink: #172026;--muted: #65717a;--line: #dce4df;--paper: #fffefa;--soft: #eef6f0;--brand: #176b51;--brand-strong: #0f4d3d;--danger: #bd3f32;font-family:Arial,Microsoft YaHei,sans-serif;background:#f4f7f2;color:var(--ink)}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:linear-gradient(180deg,rgba(23,107,81,.08),transparent 280px),#f4f7f2}button,input,select{font:inherit}button{border:0;cursor:pointer}button:disabled{cursor:progress;opacity:.72}.app{width:min(100%,520px);min-height:100vh;margin:0 auto;padding:20px 16px 42px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:8px 2px 22px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px}.mark{display:grid;place-items:center;width:38px;height:38px;border-radius:8px;background:var(--brand);color:#fff}.ghost{min-height:38px;padding:0 4px;color:var(--brand-strong);background:transparent;font-weight:800}.hero{padding:10px 2px 22px}.hero.compact{padding-bottom:14px}.eyebrow{margin:0 0 10px;color:var(--brand-strong);font-size:13px;font-weight:800}h1{margin:0;font-size:38px;line-height:1.08;letter-spacing:0}.hero p:not(.eyebrow){margin:14px 0 0;color:var(--muted);line-height:1.6}.login,.dashboard{display:grid;gap:16px}.panel{background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:18px;box-shadow:0 16px 40px #23372d14}.stack,.meal-form{display:grid;gap:14px}label{display:grid;gap:8px;color:var(--muted);font-size:13px;font-weight:700}input,select{width:100%;min-height:48px;border:1px solid var(--line);border-radius:8px;padding:0 13px;background:#fff;color:var(--ink);outline:none}input:focus,select:focus{border-color:var(--brand);box-shadow:0 0 0 3px #176b5124}.primary{width:100%;min-height:50px;border-radius:8px;background:var(--brand);color:#fff;font-weight:800}.summary{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.metric{min-width:0;padding:14px 10px;border:1px solid var(--line);border-radius:8px;background:#fff}.metric span{display:block;color:var(--muted);font-size:12px;font-weight:700}.metric strong{display:block;margin-top:7px;font-size:21px;letter-spacing:0}.section-title{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}h2{margin:0;font-size:20px;letter-spacing:0}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}.meal-list{display:grid;gap:10px}.meal{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center;padding:13px;border:1px solid var(--line);border-radius:8px;background:#fff}.meal h3{margin:0 0 5px;font-size:16px;letter-spacing:0}.meal p{margin:0;color:var(--muted);font-size:13px}.meal-actions{display:grid;gap:7px;text-align:right}.calories{color:var(--brand-strong);font-weight:800}.icon-button{width:36px;height:36px;border-radius:8px;background:#f7ebe9;color:var(--danger);font-size:20px;line-height:1}.empty{padding:26px 12px;border:1px dashed #bdc9c1;border-radius:8px;color:var(--muted);text-align:center;background:#ffffff94}.toast{position:fixed;left:50%;bottom:22px;max-width:calc(100% - 32px);padding:12px 14px;transform:translate(-50%) translateY(16px);border-radius:8px;background:#172026;color:#fff;opacity:0;pointer-events:none;transition:.2s ease}.toast.show{opacity:1;transform:translate(-50%) translateY(0)}