*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Hiragino Sans,Yu Gothic UI,sans-serif;color:#1a1a1a;background:#f7f8fa}#app{min-height:100vh;display:flex;flex-direction:column}header.app-header{background:#fff;border-bottom:1px solid #e5e7eb;padding:12px 24px;display:flex;align-items:center;justify-content:space-between}header.app-header h1{margin:0;font-size:18px;font-weight:600}header.app-header .user{font-size:13px;color:#6b7280}main{flex:1;padding:24px;max-width:1200px;margin:0 auto;width:100%}button{background:#2563eb;color:#fff;border:0;border-radius:6px;padding:8px 16px;font-size:14px;cursor:pointer}button:hover{background:#1d4ed8}button.secondary{background:#fff;color:#2563eb;border:1px solid #2563eb}button:disabled{opacity:.5;cursor:not-allowed}.day-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px}.day-card{background:#fff;border:1px solid #e5e7eb;border-radius:8px;padding:16px}.day-card h3{margin:0 0 8px;font-size:15px}.day-card .stats{display:flex;gap:16px;margin:8px 0;font-size:13px;color:#4b5563}.day-card .progress{background:#e5e7eb;height:6px;border-radius:3px;overflow:hidden}.day-card .progress>div{background:#10b981;height:100%}.warning-list{list-style:none;padding:0;margin:0}.warning-list li{background:#fef3c7;border-left:3px solid #f59e0b;padding:8px 12px;margin-bottom:4px;border-radius:4px;font-size:13px}.warning-list li.error{background:#fee2e2;border-left-color:#ef4444}.warning-link{display:inline-block;margin-left:8px;color:#1d4ed8;text-decoration:underline}.login{max-width:400px;margin:80px auto;background:#fff;border-radius:8px;padding:32px;text-align:center}.login h2{margin:0 0 8px;font-size:20px}.login p{color:#6b7280;font-size:14px;margin:0 0 24px}.toolbar{display:flex;gap:8px;margin-bottom:16px}.data-status{display:flex;gap:12px;margin-bottom:10px;color:#4b5563;font-size:13px}.empty{text-align:center;padding:60px 0;color:#6b7280}.error{color:#dc2626;font-size:13px;margin-top:8px}