:root{
  --sp-primary:#1f3a93;
  --sp-primary-dark:#16296b;
  --sp-sidebar-w:250px;
  --sp-bg:#f4f6fb;
}
*{box-sizing:border-box}
body{margin:0;background:var(--sp-bg);font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:#26303b}

.sp-layout{display:flex;min-height:100vh}

/* Sidebar */
.sp-sidebar{
  width:var(--sp-sidebar-w);
  background:linear-gradient(180deg,var(--sp-primary),var(--sp-primary-dark));
  color:#dfe6ff;position:fixed;top:0;left:0;bottom:0;z-index:1040;
  display:flex;flex-direction:column;transition:transform .25s ease;overflow-y:auto;
}
.sp-brand{font-size:1.15rem;font-weight:700;color:#fff;padding:18px 20px;display:flex;align-items:center;gap:10px;border-bottom:1px solid rgba(255,255,255,.12)}
.sp-brand i{font-size:1.4rem}
.sp-menu{list-style:none;margin:0;padding:10px 0;flex:1}
.sp-menu a{display:flex;align-items:center;gap:12px;padding:11px 20px;color:#c9d4ff;text-decoration:none;font-size:.94rem;border-left:3px solid transparent}
.sp-menu a i{font-size:1.05rem;width:20px;text-align:center}
.sp-menu a:hover{background:rgba(255,255,255,.08);color:#fff}
.sp-menu a.active{background:rgba(255,255,255,.16);color:#fff;border-left-color:#ffd54a;font-weight:600}

/* Main */
.sp-main{flex:1;margin-left:var(--sp-sidebar-w);min-width:0;display:flex;flex-direction:column}
.sp-topbar{background:#fff;height:62px;display:flex;align-items:center;gap:14px;padding:0 20px;position:sticky;top:0;z-index:1030;box-shadow:0 1px 4px rgba(0,0,0,.06)}
.sp-page-title{font-size:1.15rem;margin:0;font-weight:600}
.sp-content{padding:22px;flex:1}

.sp-backdrop{display:none;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:1035}

/* Cards / tables */
.card{border:none;box-shadow:0 1px 3px rgba(20,40,80,.08);border-radius:12px}
.card-header{background:#fff;border-bottom:1px solid #eef1f6;font-weight:600;border-radius:12px 12px 0 0!important}
.table thead th{background:#f7f9fc;font-size:.8rem;text-transform:uppercase;letter-spacing:.03em;color:#5a6b82;border-bottom:2px solid #eef1f6}
.table td{vertical-align:middle}
.btn-primary{background:var(--sp-primary);border-color:var(--sp-primary)}
.btn-primary:hover{background:var(--sp-primary-dark);border-color:var(--sp-primary-dark)}
a{color:var(--sp-primary)}

/* Stat tiles */
.stat-tile{border-radius:12px;padding:18px;color:#fff;display:flex;align-items:center;gap:14px;box-shadow:0 2px 6px rgba(20,40,80,.12)}
.stat-tile .icon{font-size:1.9rem;opacity:.85}
.stat-tile .num{font-size:1.6rem;font-weight:700;line-height:1}
.stat-tile .lbl{font-size:.82rem;opacity:.92}
.bg-grad-1{background:linear-gradient(135deg,#4b6cb7,#182848)}
.bg-grad-2{background:linear-gradient(135deg,#11998e,#38ef7d)}
.bg-grad-3{background:linear-gradient(135deg,#f7971e,#ffd200)}
.bg-grad-4{background:linear-gradient(135deg,#c31432,#240b36)}
.bg-grad-5{background:linear-gradient(135deg,#8e2de2,#4a00e0)}
.bg-grad-6{background:linear-gradient(135deg,#0083B0,#00B4DB)}

/* Auth */
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1f3a93,#16296b);padding:20px}
.auth-card{background:#fff;border-radius:16px;box-shadow:0 12px 40px rgba(0,0,0,.25);width:100%;max-width:420px;padding:34px}
.auth-brand{text-align:center;margin-bottom:22px}
.auth-brand i{font-size:2.4rem;color:var(--sp-primary)}
.auth-brand h1{font-size:1.35rem;margin:8px 0 2px;font-weight:700}
.auth-brand p{color:#8794a6;font-size:.85rem;margin:0}
.captcha-box{display:flex;align-items:center;gap:10px}
.captcha-box img{border:1px solid #dde3ec;border-radius:8px;height:46px}

/* Responsive */
@media (max-width:991.98px){
  .sp-sidebar{transform:translateX(-100%)}
  .sp-sidebar.show{transform:translateX(0)}
  .sp-main{margin-left:0}
  .sp-backdrop.show{display:block}
}

.barcode-print{text-align:center}
@media print{
  .sp-sidebar,.sp-topbar,.no-print,.sp-backdrop{display:none!important}
  .sp-main{margin-left:0}
  .sp-content{padding:0}
  .card{box-shadow:none}
}

.auth-logo {
    width: 80px;
    height: 80px;
    max-width: 100%;
    object-fit: contain;
    display: block;
    margin: 0 auto 10px;
}