:root{
  --blue-950:#061a3a;
  --blue-900:#08265a;
  --blue-800:#0c3677;
  --blue-700:#104c9b;
  --yellow:#f4c20d;
  --yellow-2:#ffda45;
  --bg:#eef3f9;
  --panel:#ffffff;
  --panel-2:#f7f9fc;
  --text:#16243a;
  --muted:#607086;
  --line:#dbe3ef;
  --green:#138a54;
  --red:#c73737;
  --orange:#d97706;
}
*{box-sizing:border-box}
body{
  margin:0;
  background:linear-gradient(135deg,#eef3f9 0%,#f8fbff 52%,#edf4ff 100%);
  color:var(--text);
  font-family:Segoe UI,Roboto,Arial,sans-serif;
}
.shell{min-height:100vh;display:grid;grid-template-columns:260px 1fr}
.sidebar{
  position:sticky;
  top:0;
  height:100vh;
  background:linear-gradient(180deg,var(--blue-950),var(--blue-900));
  padding:16px 12px;
  display:flex;
  flex-direction:column;
  border-right:1px solid rgba(255,255,255,.12);
  box-shadow:10px 0 32px rgba(6,26,58,.16);
}
.brand{
  padding:12px;
  border:1px solid rgba(255,255,255,.16);
  border-radius:8px;
  background:rgba(255,255,255,.08);
  margin-bottom:16px;
}
.brand img{width:128px;display:block;margin-bottom:8px}
.brand span{display:block;color:#fff;font-weight:900;font-size:13px}
nav{display:grid;gap:8px}
nav a,.userbox a{
  color:#fff;
  text-decoration:none;
  font-weight:850;
  padding:11px 12px;
  border-radius:8px;
  background:rgba(255,255,255,.08);
  border:1px solid transparent;
}
nav a:hover,.userbox a:hover{border-color:rgba(244,194,13,.5);background:rgba(244,194,13,.14)}
.userbox{margin-top:auto;color:#dce8f7;font-size:13px;display:grid;gap:8px}
.userbox strong{color:#fff}.userbox span{color:#aebed4;font-weight:800}
.content{padding:24px;max-width:1320px;width:100%}
.topbar{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:16px}
h1{margin:0;font-size:26px;color:var(--blue-950);letter-spacing:0}
h2{margin:0 0 12px;font-size:17px;color:var(--blue-950)}
p{color:var(--muted);font-weight:700;margin:7px 0 0}
.panel,.decision{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:8px;
  padding:18px;
  margin-bottom:16px;
  box-shadow:0 14px 34px rgba(20,50,90,.09);
}
.form-grid{display:grid;grid-template-columns:minmax(180px,280px) minmax(220px,360px) 150px;gap:12px;align-items:end}
.form-grid.single{grid-template-columns:minmax(220px,420px) 150px}
.form-grid.two{grid-template-columns:repeat(2,minmax(0,1fr));align-items:start}
label span,.plate-form label>span{display:block;color:var(--muted);font-size:12px;font-weight:900;text-transform:uppercase;margin-bottom:7px}
input,select{
  width:100%;
  background:#fff;
  border:1px solid #cdd8e7;
  border-radius:8px;
  color:var(--text);
  padding:12px 13px;
  font-size:15px;
  min-height:45px;
}
input[name="plate"]{text-transform:uppercase;font-size:18px;font-weight:900;letter-spacing:0}
input:focus,select:focus{outline:none;border-color:var(--blue-700);box-shadow:0 0 0 3px rgba(16,76,155,.14)}
button,.btn-link{
  border:0;
  border-radius:8px;
  background:linear-gradient(135deg,var(--yellow),var(--yellow-2));
  color:#1d2a3f;
  font-weight:950;
  padding:12px 16px;
  cursor:pointer;
  min-height:45px;
  text-decoration:none;
  display:inline-flex;
  align-items:center;
  justify-content:center;
}
.btn-link.secondary{background:#edf2f8;color:var(--blue-900);border:1px solid var(--line)}
.decision{display:flex;justify-content:space-between;gap:16px;align-items:center;border-left:6px solid var(--orange)}
.decision.courtesy{border-left-color:var(--green)}
.decision.paid{border-left-color:var(--yellow)}
.decision.error{border-left-color:var(--red)}
.tag{
  display:inline-flex;
  padding:6px 10px;
  border-radius:999px;
  background:rgba(16,76,155,.10);
  border:1px solid rgba(16,76,155,.22);
  color:var(--blue-900);
  font-weight:950;
  margin:0 6px 8px 0;
}
.tag.soft{background:rgba(244,194,13,.20);border-color:rgba(244,194,13,.55);color:#6f5300}
.success-btn{background:linear-gradient(135deg,#138a54,#20b46f);color:white}
.paid-btn{background:linear-gradient(135deg,var(--blue-800),var(--blue-700));color:white}
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{border-bottom:1px solid var(--line);padding:11px 10px;text-align:left;vertical-align:top}
th{color:var(--muted);font-size:12px;text-transform:uppercase;background:var(--panel-2)}
.right{text-align:right}
.table-action{font-weight:900;color:var(--blue-700);text-decoration:none}
.alert{padding:12px 14px;border-radius:8px;margin-bottom:12px;font-weight:850}
.alert.error{background:#fff1f1;border:1px solid #f0b8b8;color:#8f2525}
.alert.success{background:#effaf4;border:1px solid #b8e5cd;color:#0b6e40}
.login-body{
  min-height:100vh;
  display:grid;
  place-items:center;
  padding:20px;
  background:
    linear-gradient(135deg,rgba(8,38,90,.92),rgba(16,76,155,.82)),
    #08265a;
}
.login-card{
  width:min(430px,100%);
  background:#fff;
  border:1px solid rgba(255,255,255,.5);
  border-radius:8px;
  padding:32px;
  box-shadow:0 24px 60px rgba(0,0,0,.28);
}
.login-logo{width:136px;display:block;margin:0 auto 18px}
.login-card h1{text-align:center;color:var(--blue-950)}
.login-card p{text-align:center}
.login-card label{display:block;color:var(--muted);font-size:13px;font-weight:850;margin:14px 0 6px}
.login-card button{width:100%;margin-top:18px}
.admin-form{display:grid;gap:16px}
.checks,.post-grid{display:grid;gap:10px}
.post-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.check-card{
  display:flex;
  gap:10px;
  align-items:center;
  padding:11px 12px;
  border:1px solid var(--line);
  border-radius:8px;
  background:var(--panel-2);
  font-weight:850;
}
.check-card input{width:18px;min-height:18px;accent-color:var(--blue-700)}
.check-card span{margin:0;color:var(--text);font-size:13px;text-transform:none}
.form-actions{display:flex;justify-content:flex-end;gap:10px}
.modal-backdrop{
  position:fixed;
  inset:0;
  background:rgba(6,26,58,.58);
  display:none;
  align-items:center;
  justify-content:center;
  padding:18px;
  z-index:100;
}
.modal-backdrop.show{display:flex}
.modal-card{
  width:min(680px,100%);
  max-height:90vh;
  overflow:auto;
  background:#fff;
  border-radius:8px;
  border:1px solid var(--line);
  box-shadow:0 30px 90px rgba(0,0,0,.34);
  padding:22px;
  position:relative;
}
.result-card{border-left:6px solid var(--orange)}
.result-card.courtesy{border-left-color:var(--green)}
.result-card.paid{border-left-color:var(--yellow)}
.result-card.error{border-left-color:var(--red)}
.modal-close{
  position:absolute;
  top:10px;
  right:10px;
  width:34px;
  height:34px;
  min-height:34px;
  border-radius:50%;
  padding:0;
  background:#edf2f8;
  color:var(--blue-900);
  font-size:22px;
}
.modal-table{margin:16px 0;border:1px solid var(--line);border-radius:8px;overflow:auto}
.loading-card{text-align:center;width:min(380px,100%)}
.spinner{
  width:44px;
  height:44px;
  border-radius:50%;
  border:5px solid #dbe3ef;
  border-top-color:var(--blue-700);
  margin:0 auto 14px;
  animation:spin .8s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}
.station-card{width:min(520px,100%)}
.station-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:18px 0}
.station-option{cursor:pointer}
small{color:var(--muted);font-weight:800}
@media (max-width:900px){
  .shell{grid-template-columns:1fr}
  .sidebar{position:relative;height:auto}
  .form-grid,.form-grid.single,.form-grid.two,.post-grid,.station-list{grid-template-columns:1fr}
  .decision{display:grid}
  .content{padding:16px}
  .topbar{align-items:flex-start;flex-direction:column}
}