:root{
  --primary:#0F5FD7;
  --primary-hover:#0B50BC;
  --primary-pressed:#08469F;
  --primary-soft:#EAF2FF;

  --surface:#FFFFFF;
  --background:#F5F6F8;
  --background-2:#EEF1F5;

  --text:#111317;
  --text-secondary:#4B5563;
  --text-muted:#7A8492;

  --border:#D9DEE7;
  --border-strong:#C8CED9;

  --success:#147A3D;
  --success-bg:#EDF8F1;

  --info:#1659B7;
  --info-bg:#EEF5FF;

  --warning:#9A6500;
  --warning-bg:#FFF7E6;

  --danger:#B42318;
  --danger-bg:#FFF0EF;

  --focus:0 0 0 4px rgba(15,95,215,.18);

  --shadow-1:0 2px 8px rgba(19,31,51,.06);
  --shadow-2:0 8px 24px rgba(19,31,51,.10);
  --shadow-3:0 16px 40px rgba(19,31,51,.14);

  --r-sm:6px;
  --r-md:10px;
  --r-lg:16px;
  --r-pill:999px;

  --space-1:4px;
  --space-2:8px;
  --space-3:12px;
  --space-4:16px;
  --space-5:24px;
  --space-6:32px;
  --space-7:48px;
}

*{box-sizing:border-box}

html{
  background:var(--background);
  color:var(--text);
  font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
}

body{
  margin:0;
  background:
    linear-gradient(rgba(17,19,23,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17,19,23,.025) 1px, transparent 1px),
    var(--background);
  background-size:32px 32px;
}

a{color:var(--primary)}

.topbar{
  position:sticky;
  top:0;
  z-index:30;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(217,222,231,.85);
}

.topbar-inner{
  max-width:1180px;
  margin:auto;
  padding:14px 20px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}

.brand{
  display:flex;
  align-items:center;
  gap:12px;
  color:var(--text);
  text-decoration:none;
}

.brand-mark{
  width:42px;
  height:42px;
  border-radius:12px;
  display:grid;
  place-items:center;
  color:#fff;
  background:linear-gradient(145deg,#1B6EF3,#0B4FC0);
  box-shadow:0 7px 18px rgba(15,95,215,.25);
  font-size:20px;
  font-weight:800;
}

.brand strong{
  display:block;
  font-size:19px;
  line-height:1.15;
  letter-spacing:-.02em;
}

.brand small{
  display:block;
  margin-top:3px;
  color:var(--text-muted);
  font-size:11px;
  font-weight:500;
}

.user-pill{
  display:inline-flex;
  align-items:center;
  min-height:34px;
  padding:0 12px;
  border:1px solid var(--border);
  border-radius:var(--r-pill);
  background:#fff;
  color:var(--text-secondary);
  font-size:12px;
  font-weight:600;
  box-shadow:var(--shadow-1);
}

.nav{
  background:#fff;
  border-bottom:1px solid var(--border);
  display:flex;
  justify-content:center;
  gap:4px;
  overflow-x:auto;
  padding:0 14px;
}

.nav a{
  position:relative;
  color:var(--text-secondary);
  text-decoration:none;
  padding:13px 14px 12px;
  font-size:13px;
  font-weight:600;
  white-space:nowrap;
  border-radius:8px 8px 0 0;
}

.nav a:hover{
  color:var(--primary);
  background:var(--primary-soft);
}

.nav a.active{
  color:var(--primary);
}

.nav a.active::after{
  content:"";
  position:absolute;
  left:12px;
  right:12px;
  bottom:-1px;
  height:3px;
  border-radius:3px 3px 0 0;
  background:var(--primary);
}

.container{
  max-width:1180px;
  margin:auto;
  padding:32px 20px 72px;
}

h1{
  margin:0 0 8px;
  color:var(--text);
  font-size:34px;
  line-height:1.15;
  letter-spacing:-.04em;
  font-weight:760;
}

h2{
  margin:0;
  color:var(--text);
  font-size:19px;
  line-height:1.25;
  letter-spacing:-.02em;
  font-weight:700;
}

h3{
  color:var(--text);
  font-size:15px;
  font-weight:700;
}

.lead{
  margin:0 0 24px;
  color:var(--text-secondary);
  font-size:14px;
  line-height:1.55;
}

.grid{
  display:grid;
  grid-template-columns:minmax(0,1.2fr) minmax(280px,.8fr);
  gap:20px;
  align-items:start;
}

.card{
  background:var(--surface);
  border:1px solid rgba(217,222,231,.95);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-2);
  overflow:hidden;
}

.card:hover{
  box-shadow:var(--shadow-3);
  transition:box-shadow .18s ease;
}

.card-head{
  padding:18px 20px 15px;
  border-bottom:1px solid #E8EBF0;
}

.card-body{
  padding:20px;
}

.field{margin-bottom:18px}

label{
  display:block;
  margin-bottom:7px;
  color:var(--text);
  font-size:13px;
  font-weight:650;
}

input,select,textarea{
  width:100%;
  min-height:48px;
  padding:11px 13px;
  border:1px solid var(--border-strong);
  border-radius:var(--r-md);
  background:#fff;
  color:var(--text);
  font:inherit;
  font-size:14px;
  box-shadow:inset 0 1px 2px rgba(17,19,23,.03);
  transition:border-color .15s ease, box-shadow .15s ease, background .15s ease;
}

input::placeholder,textarea::placeholder{
  color:#9AA2AE;
}

textarea{
  min-height:118px;
  resize:vertical;
}

input:hover,select:hover,textarea:hover{
  border-color:#AEB6C3;
}

input:focus,select:focus,textarea:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:var(--focus);
}

.help{
  margin-top:6px;
  color:var(--text-muted);
  font-size:11px;
  line-height:1.45;
}

.check{
  display:flex;
  align-items:flex-start;
  gap:10px;
  margin:10px 0 20px;
  color:var(--text-secondary);
  font-size:12px;
  font-weight:500;
  line-height:1.5;
}

.check input{
  width:18px;
  height:18px;
  min-height:auto;
  margin-top:1px;
  accent-color:var(--primary);
  flex:0 0 auto;
}

.btn{
  display:inline-flex;
  justify-content:center;
  align-items:center;
  gap:7px;
  min-height:44px;
  padding:10px 16px;
  border:1px solid transparent;
  border-radius:var(--r-md);
  text-decoration:none;
  font-size:13px;
  font-weight:700;
  cursor:pointer;
  transition:all .14s ease;
}

.btn-primary{
  color:#fff;
  background:var(--primary);
  box-shadow:0 5px 14px rgba(15,95,215,.18);
}

.btn-primary:hover{
  color:#fff;
  background:var(--primary-hover);
  box-shadow:0 7px 18px rgba(15,95,215,.25);
}

.btn-primary:active{
  background:var(--primary-pressed);
  transform:translateY(1px);
}

.btn-outline{
  color:var(--primary);
  background:#fff;
  border-color:#9FBAE8;
}

.btn-outline:hover{
  color:var(--primary-hover);
  background:var(--primary-soft);
  border-color:#7AA3E0;
}

.btn-green{
  color:#fff;
  background:var(--success);
  box-shadow:0 5px 14px rgba(20,122,61,.18);
}

.btn-green:hover{
  background:#106934;
}

.btn-danger{
  color:var(--danger);
  background:#fff;
  border-color:#E2A39E;
}

.btn-danger:hover{
  background:var(--danger-bg);
}

.btn-small{
  min-height:34px;
  padding:6px 11px;
  font-size:12px;
}

.btn-block{width:100%}

.actions{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  align-items:center;
}

.alert{
  margin-bottom:16px;
  padding:12px 14px;
  border:1px solid;
  border-radius:var(--r-md);
  font-size:12px;
  line-height:1.45;
}

.alert.success{
  color:#0F5D31;
  background:var(--success-bg);
  border-color:#9ECFB0;
}

.alert.info{
  color:#154D9C;
  background:var(--info-bg);
  border-color:#9EBCE5;
}

.alert.warn{
  color:#7C5300;
  background:var(--warning-bg);
  border-color:#E0BE75;
}

.alert.error{
  color:#8F1D15;
  background:var(--danger-bg);
  border-color:#E2A19C;
}

.stats{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:14px;
  margin-bottom:20px;
}

.stat{
  position:relative;
  overflow:hidden;
  padding:18px;
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  background:#fff;
  box-shadow:var(--shadow-1);
}

.stat::before{
  content:"";
  position:absolute;
  left:0;
  top:0;
  bottom:0;
  width:4px;
  background:var(--primary);
}

.stat strong{
  display:block;
  margin-bottom:5px;
  color:var(--text);
  font-size:28px;
  line-height:1;
  letter-spacing:-.03em;
  font-weight:760;
}

.stat span{
  color:var(--text-muted);
  font-size:11px;
  font-weight:600;
}

.table-wrap{
  overflow:auto;
  border:1px solid var(--border);
  border-radius:var(--r-md);
}

table{
  width:100%;
  border-collapse:collapse;
  background:#fff;
  font-size:12px;
}

th{
  padding:12px 11px;
  text-align:left;
  color:var(--text-secondary);
  background:#F8F9FB;
  border-bottom:1px solid var(--border);
  font-size:11px;
  font-weight:700;
  letter-spacing:.01em;
}

td{
  padding:12px 11px;
  border-bottom:1px solid #ECEFF3;
  color:var(--text-secondary);
  vertical-align:middle;
}

tbody tr:hover{
  background:#FAFBFD;
}

tbody tr:last-child td{
  border-bottom:0;
}

.badge{
  display:inline-flex;
  align-items:center;
  min-height:24px;
  padding:4px 9px;
  border-radius:var(--r-pill);
  background:var(--success-bg);
  color:var(--success);
  font-size:10px;
  font-weight:700;
  border:1px solid #B9DBC5;
}

.badge.gray{
  background:#F0F2F5;
  color:#68717D;
  border-color:#D9DEE5;
}

.badge.blue{
  background:var(--info-bg);
  color:var(--primary);
  border-color:#BDD2F3;
}

.badge.orange{
  background:var(--warning-bg);
  color:var(--warning);
  border-color:#E7C788;
}

.filters{
  display:grid;
  grid-template-columns:2fr 1fr auto;
  gap:10px;
  align-items:end;
  margin-bottom:16px;
}

.muted{
  color:var(--text-muted);
  font-size:11px;
  line-height:1.45;
}

.detail-list{
  display:grid;
  grid-template-columns:150px 1fr;
  gap:12px 16px;
  font-size:12px;
}

.detail-list dt{
  color:var(--text-muted);
  font-weight:650;
}

.detail-list dd{
  margin:0;
  color:var(--text);
  font-weight:550;
}

.login-wrap{
  max-width:430px;
  margin:8vh auto;
}

.login-logo{
  text-align:center;
  margin-bottom:20px;
}

.login-logo .brand-mark{
  margin:auto;
  width:58px;
  height:58px;
  border-radius:16px;
  font-size:28px;
}

.login-logo h1{
  margin-top:12px;
  font-size:30px;
}

hr{
  border:0;
  border-top:1px solid var(--border);
  margin:20px 0;
}

.code{
  padding:12px;
  border:1px solid var(--border);
  border-radius:var(--r-md);
  background:#F8F9FB;
  color:#2D3540;
  font-family:"SFMono-Regular",Consolas,monospace;
  font-size:11px;
  line-height:1.55;
  word-break:break-word;
}

.queue-item{
  padding:16px 0;
  border-bottom:1px solid #ECEFF3;
}

.queue-item:last-child{
  border-bottom:0;
}

.queue-title{
  color:var(--text);
  font-size:14px;
  font-weight:700;
}

.queue-meta{
  margin-top:4px;
  color:var(--text-muted);
  font-size:11px;
  line-height:1.5;
}

.status-line{
  display:flex;
  align-items:center;
  gap:8px;
  margin:10px 0;
  color:var(--text-secondary);
  font-size:12px;
}

.dot{
  width:9px;
  height:9px;
  border-radius:50%;
  background:#9AA3AF;
}

.dot.online{background:var(--success)}
.dot.offline{background:var(--warning)}

.mobile-nav{display:none}

@media(max-width:800px){
  body{background-size:24px 24px}
  .user-pill{display:none}
  .nav{display:none}
  .container{padding:20px 14px 88px}
  h1{font-size:26px}
  .grid{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr}
  .card{border-radius:14px}
  .card-head{padding:16px}
  .card-body{padding:16px}
  .filters{grid-template-columns:1fr}
  .detail-list{grid-template-columns:1fr;gap:4px}
  .detail-list dd{margin-bottom:10px}
  .mobile-nav{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    position:fixed;
    left:0;
    right:0;
    bottom:0;
    z-index:40;
    background:rgba(255,255,255,.96);
    backdrop-filter:blur(12px);
    border-top:1px solid var(--border);
    padding-bottom:env(safe-area-inset-bottom);
    box-shadow:0 -8px 24px rgba(19,31,51,.08);
  }
  .mobile-nav a{
    position:relative;
    padding:13px 4px 11px;
    text-align:center;
    text-decoration:none;
    color:var(--text-muted);
    font-size:11px;
    font-weight:650;
  }
  .mobile-nav a.active{
    color:var(--primary);
  }
  .mobile-nav a.active::before{
    content:"";
    position:absolute;
    left:25%;
    right:25%;
    top:0;
    height:3px;
    border-radius:0 0 3px 3px;
    background:var(--primary);
  }
}