:root{--navy:#123a63;--blue:#1f6fb2;--light:#eef4f8;--white:#fff;--text:#173042;--muted:#657786;--border:#d8e2ea;--success:#1d7a4d;--warning:#a66a00;--danger:#b23434;--shadow:0 10px 28px rgba(18,58,99,.12);--radius:18px}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:#eef3f7;color:var(--text)}button,input,select,textarea{font:inherit}.app-shell{max-width:760px;margin:0 auto;min-height:100vh;background:#fff}.topbar{position:sticky;top:0;z-index:10;display:flex;justify-content:space-between;align-items:center;padding:16px 18px;background:var(--navy);color:#fff}.brand{font-weight:800}.brand small{display:block;font-weight:500;opacity:.8;font-size:12px}.top-actions{display:flex;gap:8px}.icon-btn,.ghost-btn,.primary-btn,.secondary-btn{border:0;border-radius:12px;padding:12px 16px;font-weight:700;cursor:pointer}.icon-btn{padding:10px 12px;background:rgba(255,255,255,.12);color:#fff}.primary-btn{background:var(--blue);color:#fff}.secondary-btn{background:#e7f0f7;color:var(--navy)}.ghost-btn{background:transparent;color:var(--navy);border:1px solid var(--border)}.screen{display:none;padding:20px}.screen.active{display:block}.hero{margin:14px 0 20px;padding:24px;border-radius:24px;background:linear-gradient(135deg,var(--navy),var(--blue));color:#fff;box-shadow:var(--shadow)}.hero h1{margin:0 0 8px;font-size:28px}.hero p{margin:0;opacity:.88}.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:18px;margin-bottom:14px}.grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.metric{padding:18px;border-radius:16px;background:var(--light);cursor:pointer}.metric strong{display:block;font-size:28px;color:var(--navy);margin-top:4px}.metric span{font-size:13px;color:var(--muted)}.new-visit{width:100%;padding:18px;border-radius:16px;border:0;background:var(--blue);color:#fff;font-weight:800;font-size:18px;margin-bottom:18px}.visit-list{display:flex;flex-direction:column;gap:10px}.visit-item{border:1px solid var(--border);border-radius:14px;padding:14px;background:#fff}.visit-item h4{margin:0 0 4px}.visit-item p{margin:0;color:var(--muted);font-size:13px}.form-header{display:flex;justify-content:space-between;gap:10px;margin-bottom:16px}.progress-wrap{background:#e7eef4;border-radius:999px;height:9px;overflow:hidden}.progress{height:100%;background:var(--blue)}.step-label,.field-help{font-size:12px;color:var(--muted);margin-top:5px}.field{margin-bottom:16px}label{display:block;font-weight:700;margin-bottom:7px}.required:after{content:" *";color:var(--danger)}input,select,textarea{width:100%;padding:14px;border:1px solid var(--border);border-radius:12px;background:#fff;color:var(--text)}textarea{min-height:110px}.multi-list{border:1px solid var(--border);border-radius:12px;overflow:hidden;max-height:480px;overflow-y:auto}.multi-option{display:flex;align-items:flex-start;gap:12px;padding:13px 12px;border-bottom:1px solid var(--border)}.multi-option input{width:auto;margin-top:3px}.multi-option span{white-space:normal;overflow-wrap:anywhere;line-height:1.35;font-size:14px}.engineer-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.engineer-name-list{font-size:12px;color:var(--muted);margin-top:10px}.form-actions{position:sticky;bottom:0;background:#fff;border-top:1px solid var(--border);padding:14px 0 6px;display:flex;gap:10px}.form-actions button{flex:1}.review-row{padding:12px 0;border-bottom:1px solid var(--border)}.review-row small{display:block;color:var(--muted)}.login{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:linear-gradient(160deg,var(--navy),#244f78 60%,#edf3f8 60%)}.login-card{width:min(420px,100%);background:#fff;border-radius:24px;padding:28px;box-shadow:var(--shadow)}.login-mark{width:64px;height:64px;border-radius:18px;background:var(--navy);color:#fff;display:grid;place-items:center;font-weight:900;font-size:22px}.login-card button{width:100%}.note{padding:12px;background:#f6f8fa;color:var(--muted);font-size:13px;margin-top:12px;border-radius:12px}.hidden{display:none!important}.empty{text-align:center;padding:28px;color:var(--muted);border:1px dashed var(--border);border-radius:14px}@media(max-width:560px){.screen{padding:16px}.hero h1{font-size:24px}}