:root{--navy:#07182f;--blue:#1267e8;--bg:#eef3fb;--card:#fff;--text:#102033;--muted:#718096}*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text)}.app{display:flex;min-height:100vh}aside{width:260px;background:linear-gradient(180deg,#07182f,#0b2850);color:#fff;padding:22px;display:flex;flex-direction:column;gap:24px}main{flex:1;padding:24px;overflow:auto}.brand{display:flex;align-items:center;gap:12px}.logo{width:46px;height:46px;border-radius:14px;background:linear-gradient(135deg,#0b66ff,#9ed0ff);display:flex;align-items:center;justify-content:center;font-weight:900;color:white}.logo.big{width:72px;height:72px;margin:auto;font-size:24px}.brand span{display:block;font-size:11px;opacity:.75}nav{display:flex;flex-direction:column;gap:8px}nav a,.ghost{color:white;text-decoration:none;background:rgba(255,255,255,.08);border:0;border-radius:12px;padding:13px;text-align:left;font-size:15px}.ghost{width:100%;cursor:pointer}header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}h1{margin:0}.user{color:var(--muted)}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-bottom:16px}.card,.panel{background:var(--card);border-radius:18px;padding:20px;box-shadow:0 12px 30px rgba(20,45,90,.08)}.card span{color:var(--muted);display:block}.card b{font-size:30px}form.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;align-items:end}input,select,textarea{width:100%;border:1px solid #d6e0ef;border-radius:12px;padding:12px;background:#fbfdff;font-size:15px}textarea{grid-column:span 2;min-height:70px}button{border:0;border-radius:12px;background:var(--blue);color:#fff;padding:13px 18px;font-weight:700;cursor:pointer}table{width:100%;border-collapse:collapse}td,th{padding:11px;border-bottom:1px solid #edf2f7;text-align:left}th{color:var(--muted);font-size:13px}.vehicle-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.vehicle{border:1px solid #e2eaf5;border-radius:14px;padding:14px}.vehicle b,.vehicle span,.vehicle small{display:block}.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,#07182f,#0d5fd4)}.login-card{width:min(420px,92vw);background:#fff;border-radius:24px;padding:28px;box-shadow:0 30px 80px rgba(0,0,0,.28)}.login-card h1,.login-card p{text-align:center}.login-card label{display:block;margin-top:12px}.login-card button{width:100%;margin-top:18px}.error{background:#ffe6e6;color:#9b1c1c;border-radius:12px;padding:10px;margin:12px 0}@media(max-width:900px){.app{display:block}aside{width:100%;border-radius:0 0 24px 24px}nav{display:grid;grid-template-columns:repeat(2,1fr)}.cards,form.grid,.vehicle-list{grid-template-columns:1fr}textarea{grid-column:auto}header{display:block}}