:root{--navy:#082b5c;--blue:#155eef;--green:#16a34a;--red:#dc2626;--yellow:#f59e0b;--bg:#f8fafc;--border:#cbd5e1;--text:#0f172a}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,sans-serif}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.shell{display:grid;grid-template-columns:270px 1fr;min-height:100vh}.sidebar{padding:24px;background:var(--navy);color:#fff;display:flex;flex-direction:column}.nav{display:grid;gap:8px;margin:24px 0;flex:1}.nav a{padding:11px 12px;border-radius:10px}.nav a:hover,.nav a.active{background:#ffffff1f}.main{padding:30px;overflow-x:auto}.auth-page{min-height:100vh;display:grid;place-items:center;padding:20px}.auth-card{width:min(460px,94vw);background:#fff;border:1px solid var(--border);border-radius:20px;padding:28px}.logo{width:56px;height:56px;display:grid;place-items:center;background:var(--navy);color:#fff;font-weight:900;border-radius:16px}.hero{background:linear-gradient(135deg,var(--navy),var(--blue));color:#fff;border-radius:20px;padding:26px;display:flex;gap:20px;justify-content:space-between;align-items:center;margin-bottom:24px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}.card{background:#fff;border:1px solid var(--border);border-radius:16px;padding:18px}.action{min-height:135px}.emergency-card{background:#fff7f7;border-color:#fecaca}.stack{display:grid;gap:14px}.row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}.between{justify-content:space-between}.section{margin-top:26px}.button{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:10px;padding:10px 15px;background:var(--blue);color:#fff;font-weight:800;cursor:pointer}.button.large{min-height:48px}.button.red{background:var(--red)}.button.green{background:var(--green)}.button.yellow{background:var(--yellow);color:#111}.input{width:100%;padding:11px;border:1px solid var(--border);border-radius:10px;background:#fff}.text-link{color:var(--blue);text-align:center;font-weight:700}.badge{display:inline-block;padding:5px 10px;border-radius:999px;background:#e2e8f0;font-size:12px;font-weight:900}.qr-camera{min-height:300px;display:grid;place-items:center;border:2px dashed var(--border);border-radius:16px}.qr-mark{width:150px;height:150px;display:grid;place-items:center;border:12px solid #111827;font-size:30px;font-weight:900}.alert{padding:16px;border-radius:12px;margin-bottom:18px}.alert-green{background:#dcfce7;color:#166534}.alert-red{background:#fee2e2;color:#991b1b}.map{min-height:360px;position:relative;overflow:hidden;border-radius:16px;background:repeating-linear-gradient(45deg,#eef2f7 0 22px,#f8fafc 22px 44px)}.route-line{position:absolute;left:12%;top:48%;width:76%;height:6px;background:var(--blue);border-radius:999px;transform:rotate(-12deg)}.vehicle{position:absolute;left:52%;top:42%;width:52px;height:52px;border-radius:50%;display:grid;place-items:center;background:#fff;box-shadow:0 8px 30px #0f172a29}.emergency{width:min(680px,100%);margin:30px auto;display:grid;gap:18px;text-align:center}.sos{width:120px;height:120px;margin:0 auto;border-radius:50%;display:grid;place-items:center;background:var(--red);color:#fff;font-weight:900;font-size:32px;box-shadow:0 0 0 14px #dc26261f}.emergency-button{min-height:64px;font-size:18px}.setting{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:14px 0;border-bottom:1px solid var(--border)}@media(max-width:900px){.shell{grid-template-columns:1fr}.hero{flex-direction:column;align-items:flex-start}}