:root{
  --blue-950:#071a33;
  --blue-900:#0a2342;
  --blue-800:#0c3f7a;
  --blue-700:#0057b8;
  --blue-600:#0a66d8;
  --blue-500:#1484f5;
  --blue-100:#e9f3ff;
  --nav:#07172b;
  --bg:#f4f7fb;
  --card:#ffffff;
  --text:#0d1b2a;
  --muted:#66788a;
  --line:#dde6ef;
  --green:#0f9f62;
  --orange:#f28c18;
  --red:#d33a3a;
  --purple:#7757d8;
  --shadow:0 18px 45px rgba(16,48,82,.08);
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;font-family:Inter,Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--text)}
a{text-decoration:none;color:inherit}
button,input,select,textarea{font:inherit}
.layout{display:grid;grid-template-columns:250px 1fr;min-height:100vh}
.sidebar{background:linear-gradient(180deg,var(--nav),#0b3568 74%,#0a4fa5);color:#fff;padding:24px 14px;position:sticky;top:0;height:100vh;overflow:hidden}
.sidebar::after{content:"";position:absolute;width:320px;height:320px;left:-120px;bottom:-120px;background:linear-gradient(135deg,transparent 45%,rgba(255,255,255,.08));transform:rotate(18deg)}
.brand{display:flex;align-items:center;gap:10px;padding:0 10px 24px;position:relative;z-index:1}
.logo-mark{font-size:38px;font-weight:950;letter-spacing:-5px;font-style:italic;background:linear-gradient(135deg,#3fa0ff,#d9ecff);-webkit-background-clip:text;background-clip:text;color:transparent}
.brand-copy strong{display:block;font-size:20px;line-height:1.05}.brand-copy small{display:block;margin-top:4px;color:#c4d7ea;font-size:11px;letter-spacing:1.2px}
.nav{position:relative;z-index:1}
.nav a{display:flex;align-items:center;gap:12px;padding:12px 13px;border-radius:10px;margin:4px 0;color:#e0ebf6;font-weight:700}
.nav a:hover,.nav a.active{background:linear-gradient(135deg,var(--blue-700),var(--blue-500));box-shadow:0 10px 25px rgba(0,87,184,.32)}
.nav-icon{width:20px;text-align:center}
.sidebar-user{position:absolute;left:14px;right:14px;bottom:18px;border:1px solid rgba(255,255,255,.16);background:rgba(0,22,50,.42);backdrop-filter:blur(8px);padding:12px;border-radius:14px;z-index:2}
.sidebar-user strong{display:block}.sidebar-user small{color:#c6d7e8}
.main{padding:24px}
.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}
.page-title h1{margin:0;font-size:28px}.page-title p{margin:4px 0 0;color:var(--muted)}
.top-actions{display:flex;align-items:center;gap:10px}
.avatar{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--blue-700);color:#fff;font-weight:900}
.btn{border:0;border-radius:10px;padding:11px 16px;cursor:pointer;font-weight:800;display:inline-flex;align-items:center;justify-content:center;gap:8px}
.btn.primary{background:linear-gradient(135deg,var(--blue-700),var(--blue-500));color:#fff;box-shadow:0 9px 20px rgba(0,87,184,.2)}
.btn.light{background:#eef3f8;color:#17314f}.btn.danger{background:var(--red);color:#fff}.btn.small{padding:7px 10px;font-size:13px}.btn.wide{width:100%}
.hero{background:linear-gradient(135deg,var(--blue-900),var(--blue-600));color:#fff;border-radius:20px;padding:24px;margin-bottom:18px;box-shadow:0 20px 44px rgba(0,87,184,.2)}
.hero h2{margin:0 0 6px;font-size:26px}.hero p{margin:0;color:#dcecff}
.stats-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px;margin-bottom:18px}
.stat-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:17px;box-shadow:var(--shadow);display:flex;gap:13px;align-items:center}
.stat-icon{width:45px;height:45px;border-radius:50%;display:grid;place-items:center;background:var(--blue-100);color:var(--blue-700);font-size:20px;font-weight:900}
.stat-card small{color:var(--muted);font-weight:700}.stat-card strong{display:block;font-size:26px;margin-top:2px}
.content-grid{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(340px,.8fr);gap:18px}
.panel{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:var(--shadow)}
.panel h2{margin:0;font-size:19px}.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:15px}
.table-wrap{overflow:auto}.table{width:100%;border-collapse:collapse}.table th,.table td{text-align:left;padding:12px;border-bottom:1px solid #e9eef4;white-space:nowrap}.table th{font-size:11px;text-transform:uppercase;letter-spacing:.6px;color:#718394}
.badge{padding:5px 8px;border-radius:999px;font-size:11px;font-weight:850;display:inline-block}.badge.inquiry{background:#fff0c7;color:#8a5a00}.badge.confirmed{background:#d9ebff;color:#075aa5}.badge.rented{background:#ddf4e5;color:#176c3a}.badge.returned{background:#e8edf2;color:#4c5a67}.badge.cancelled{background:#ffe0e0;color:#9b1d1d}.badge.active{background:#ddf4e5;color:#176c3a}.badge.workshop{background:#eadfff;color:#59319b}.badge.blocked{background:#e4e7ea;color:#3e4852}.badge.cleaning{background:#ffe8cc;color:#9a4d00}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}.field{display:flex;flex-direction:column;gap:6px}.field.full{grid-column:1/-1}.field span{font-weight:750;font-size:13px}.field input,.field select,.field textarea{padding:11px;border:1px solid #cfd9e3;border-radius:9px;background:#fff}.field input:focus,.field select:focus,.field textarea:focus{outline:3px solid rgba(20,132,245,.12);border-color:var(--blue-500)}
.notice{padding:12px 14px;border-radius:10px;margin-bottom:16px}.notice.ok{background:#ddf4e5;color:#176c3a}.notice.err{background:#ffe0e0;color:#9b1d1d}
.actions{display:flex;gap:6px;align-items:center}.empty{padding:28px;text-align:center;color:var(--muted)}
.vehicle-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.vehicle-card{border:1px solid var(--line);border-radius:15px;overflow:hidden;background:#fff}.vehicle-image{height:130px;background:linear-gradient(135deg,#dfeaf5,#f7fbff);display:grid;place-items:center;color:#6f8293;font-weight:800}.vehicle-body{padding:14px}.vehicle-body h3{margin:0 0 4px}.vehicle-meta{display:flex;justify-content:space-between;color:var(--muted);font-size:13px;margin:8px 0 12px}
.booking-layout{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(300px,.7fr);gap:18px}.stepper{display:flex;gap:8px;margin-bottom:16px}.step{flex:1;padding:10px;border-radius:10px;background:#eef3f8;color:#66798c;font-weight:800;text-align:center}.step.active{background:var(--blue-100);color:var(--blue-700);border:1px solid #b8d9ff}
.price-box{background:linear-gradient(180deg,#f8fbff,#edf5ff);border:1px solid #cfe4fb;border-radius:16px;padding:16px;position:sticky;top:20px}.price-row{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid #d9e8f6}.price-row.total{font-size:19px;font-weight:900;border-bottom:0;padding-top:13px}.price-row.deposit{color:#5a6f83}
.extra-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.extra-item{border:1px solid var(--line);border-radius:10px;padding:10px;display:flex;align-items:center;gap:9px}
.calendar-wrap{overflow:auto}.calendar{display:grid;grid-template-columns:180px repeat(7,minmax(110px,1fr));min-width:980px}.cal-cell{min-height:64px;padding:9px;border-right:1px solid #e5edf4;border-bottom:1px solid #e5edf4;background:#fff}.cal-head{background:#f7faff;font-weight:850}.cal-vehicle{position:sticky;left:0;z-index:2;font-weight:800}.bar{border-radius:7px;padding:8px;font-size:12px;font-weight:800}.bar.confirmed{background:#d9ebff;color:#075aa5}.bar.rented{background:#ddf4e5;color:#176c3a}.bar.workshop{background:#eadfff;color:#59319b}.bar.cleaning{background:#ffe8cc;color:#9a4d00}.bar.blocked{background:#e4e7ea;color:#3e4852}
.login-page{min-height:100vh;display:grid;place-items:center;padding:24px;background:linear-gradient(135deg,var(--blue-950),var(--blue-700))}
.login-shell{width:min(460px,100%)}.login-brand{display:flex;align-items:center;gap:12px;color:#fff;margin-bottom:16px}.login-brand strong{display:block;font-size:22px}.login-brand small{color:#c7dbee}.login-card{background:#fff;border-radius:20px;padding:28px;box-shadow:0 30px 80px rgba(0,0,0,.25)}.login-card h1{margin:0 0 6px}.muted{color:var(--muted)}
@media(max-width:1200px){.stats-grid{grid-template-columns:repeat(2,1fr)}.content-grid,.booking-layout{grid-template-columns:1fr}.vehicle-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:900px){.layout{grid-template-columns:1fr}.sidebar{display:none}.main{padding:16px}.stats-grid{grid-template-columns:1fr}.vehicle-grid{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.topbar{align-items:flex-start}.top-actions{flex-wrap:wrap;justify-content:flex-end}}