:root{
  --red-deep:#780001;     /* Gochujang Red */
  --red:#C1121F;          /* Crimson Blaze */
  --cream:#FEF0D5;        /* Varden */
  --navy:#002F49;         /* Cosmos Blue */
  --bg:#080a0d;
  --panel:#0e1620;
  --panel-2:#0a1119;
  --line:#1c2a38;
  --muted:#8aa0b4;
  --ok:#1f8f57;
  --warn:#d9a400;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:radial-gradient(1200px 600px at 80% -10%, #0d2233 0%, var(--bg) 60%);
  color:var(--cream);
  font:15px/1.5 ui-sans-serif,system-ui,"Segoe UI",Roboto,Arial,sans-serif;
  min-height:100vh;
}
a{color:var(--cream)}
.wrap{max-width:980px;margin:0 auto;padding:24px 18px}
.narrow{max-width:460px}

header.top{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 22px;border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,rgba(120,0,1,.18),transparent);
}
.brand{display:flex;align-items:center;gap:12px;font-weight:700;letter-spacing:.3px}
.brand .dot{width:14px;height:14px;border-radius:50%;
  background:var(--red);box-shadow:0 0 0 4px rgba(193,18,31,.18)}
header.top nav a{color:var(--muted);text-decoration:none;margin-left:18px;font-size:14px}
header.top nav a:hover{color:var(--cream)}

.card{
  background:linear-gradient(180deg,var(--panel),var(--panel-2));
  border:1px solid var(--line);border-radius:16px;padding:26px;
  box-shadow:0 18px 50px rgba(0,0,0,.45);
}
.card + .card{margin-top:20px}
h1,h2,h3{margin:.2em 0 .6em}
h1{font-size:24px}
h2{font-size:19px}
.sub{color:var(--muted);font-size:14px;margin-bottom:18px}

label{display:block;margin:14px 0 6px;font-size:13px;color:var(--muted)}
input[type=text],input[type=password],input[type=number],input[type=file],select{
  width:100%;padding:12px 14px;border-radius:10px;border:1px solid var(--line);
  background:#0a0f15;color:var(--cream);font-size:15px;outline:none;
}
input:focus,select:focus{border-color:var(--red)}
input[type=file]{padding:10px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 18px;border-radius:10px;border:0;cursor:pointer;
  background:linear-gradient(180deg,var(--red),var(--red-deep));
  color:#fff;font-weight:600;font-size:15px;text-decoration:none;width:100%;
}
.btn:hover{filter:brightness(1.07)}
.btn.secondary{background:transparent;border:1px solid var(--line);color:var(--cream)}
.btn.small{width:auto;padding:8px 12px;font-size:13px}
.btn.danger{background:transparent;border:1px solid var(--red);color:#ff9ba2}

.row{display:flex;gap:12px;flex-wrap:wrap}
.row > *{flex:1}

.alert{padding:12px 14px;border-radius:10px;margin:14px 0;font-size:14px}
.alert.err{background:rgba(193,18,31,.12);border:1px solid rgba(193,18,31,.45);color:#ffb3b8}
.alert.ok{background:rgba(31,143,87,.12);border:1px solid rgba(31,143,87,.4);color:#9be8c0}
.alert.info{background:rgba(0,47,73,.5);border:1px solid var(--line);color:var(--cream)}

.steps{display:flex;gap:8px;margin-bottom:20px}
.steps .s{flex:1;height:6px;border-radius:4px;background:var(--line)}
.steps .s.active{background:var(--red)}
.steps .s.done{background:var(--ok)}

table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--line)}
th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.4px}
.badge{padding:2px 9px;border-radius:20px;font-size:12px;border:1px solid var(--line)}
.badge.on{color:#9be8c0;border-color:rgba(31,143,87,.5)}
.badge.off{color:#ffb3b8;border-color:rgba(193,18,31,.5)}

.stat{display:flex;gap:18px;flex-wrap:wrap;margin:8px 0 4px}
.stat .box{flex:1;min-width:120px;background:#0a0f15;border:1px solid var(--line);
  border-radius:12px;padding:14px}
.stat .box .n{font-size:26px;font-weight:700}
.stat .box .l{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.4px}

.muted{color:var(--muted)}
.mono{font-family:ui-monospace,Consolas,monospace}
footer{color:var(--muted);font-size:13px;text-align:center;padding:26px}
footer a{color:var(--muted)}
hr{border:0;border-top:1px solid var(--line);margin:18px 0}
.dropzone{border:1.5px dashed var(--line);border-radius:12px;padding:22px;text-align:center;color:var(--muted)}