:root {
  --primary:#3B82F6;
  --primary-dark:#2563EB;
  --primary-light:#93C5FD;
  --success:#10B981;
  --warning:#F59E0B;
  --danger:#EF4444;
  --muted:#64748B;
  --muted-light:#CBD5E1;
  --bg:#f8fafc;
  --bg-card:#ffffff;
  --bg-hover:#F1F5F9;
  --border:#E2E8F0;
  --border-light:#F1F5F9;
  --text:#0f172a;
  --text-light:#475569;
  --radius:12px;
  --radius-sm:8px;
  --shadow:0 1px 3px rgba(0,0,0,0.08),0 4px 12px rgba(0,0,0,0.05);
  --shadow-lg:0 10px 25px rgba(0,0,0,0.1);
  --font:'Inter',system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  --base:14px;
}
*{box-sizing:border-box;margin:0;padding:0;}
body{
  font:var(--base)/1.6 var(--font);
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  padding-bottom:0;
}
header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 16px;gap:12px;flex-wrap:wrap;
  box-shadow:0 1px 3px rgba(0,0,0,.05);
}
.brand{display:flex;gap:10px;align-items:center;font-weight:700;color:var(--primary);font-size:18px;}
.brand img{height:28px;border-radius:6px;box-shadow:0 4px 10px rgba(0,0,0,.15);background:#fff;display:none;}
#menuToggle{
  display:none;align-items:center;justify-content:center;
  width:40px;height:40px;border:1px solid var(--border);
  border-radius:var(--radius-sm);background:var(--bg-card);
  cursor:pointer;transition:all .2s;
}
#menuToggle:hover{background:var(--bg-hover);}
.tabs{
  display:flex;gap:6px;flex-wrap:wrap;position:relative;
}
.tab{
  padding:10px 16px;border:1px solid var(--border);
  border-radius:var(--radius);background:var(--bg-card);
  cursor:pointer;transition:all .2s;
  font-weight:500;font-size:14px;user-select:none;
}
.tab.active{
  background:var(--primary);color:#fff;border-color:var(--primary);
}
.tab:hover{background:var(--bg-hover);}
.header-actions{
  display:flex;gap:8px;align-items:center;flex-wrap:wrap;
}
main{
  padding:16px;
  max-width:1200px;
  margin:0 auto;
  min-height:calc(100vh - 120px);
}
.card{
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--radius);padding:20px;
  box-shadow:var(--shadow);margin-bottom:16px;
  transition:all .2s;
}
.card:hover{box-shadow:var(--shadow-lg);}
.grid{display:grid;gap:16px;}
.g-2{grid-template-columns:repeat(auto-fill,minmax(320px,1fr));}
.g-3{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));}
.g-4{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));}
.form-group{margin-bottom:16px;}
.form-label{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px;font-size:14px;font-weight:500;color:var(--text-light);}
.form-hint{font-size:11px;color:var(--muted);font-weight:400;margin-left:8px;}
.form-input,.form-select,.form-textarea{
  width:100%;padding:10px 12px;border:1px solid var(--border);
  border-radius:var(--radius-sm);background:#fff;
  font-family:var(--font);font-size:14px;transition:all .2s;
  background-color:var(--bg-card);
  color:var(--text);
}
.form-input:focus,.form-select:focus,.form-textarea:focus{
  outline:none;border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(59,130,246,.1);
}
.preview-img{
  max-width:100%;
  max-height:120px;
  object-fit:contain;
  border:1px solid var(--border);
  border-radius:8px;
  background:#fff;
  padding:6px;
}
.btn{
  padding:10px 16px;border:1px solid var(--border);
  border-radius:var(--radius-sm);background:var(--bg-card);
  cursor:pointer;font-weight:500;font-size:14px;
  transition:all .2s;display:inline-flex;align-items:center;justify-content:center;gap:6px;
  box-shadow:0 1px 2px rgba(0,0,0,.04);
  color:var(--text);
}
.btn:hover{background:var(--bg-hover);transform:translateY(-1px);}
.btn.primary{background:var(--primary);color:#fff;border-color:var(--primary);}
.btn.primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);}
.btn.success{background:var(--success);color:#fff;border-color:var(--success);}
.btn.warning{background:var(--warning);color:#fff;border-color:var(--warning);}
.btn.danger{background:var(--danger);color:#fff;border-color:var(--danger);}
.btn.small{padding:8px 12px;font-size:13px;}
.btn.tiny{padding:6px 10px;font-size:12px;}
.btn.icon-only{padding:8px;width:36px;height:36px;}
.btn.bar{
  flex:1;white-space:nowrap;min-width:0;text-overflow:ellipsis;overflow:hidden;
}
.chip{
  padding:4px 10px;border-radius:999px;border:1px solid var(--border);
  background:#fff;font-size:12px;display:inline-flex;align-items:center;gap:4px;font-weight:500;
  color:var(--text);
}
.chip.primary{background:var(--primary-light);color:var(--primary-dark);border-color:var(--primary-light);}
.chip.success{background:#D1FAE5;color:#065F46;border-color:#A7F3D0;}
.chip.warning{background:#FEF3C7;color:#92400E;border-color:#FDE68A;}
.chip.danger{background:#FEE2E2;color:#991B1B;border-color:#FECACA;}
.table{width:100%;border-collapse:collapse;}
.table th,.table td{
  border-bottom:1px solid var(--border-light);
  padding:12px 8px;text-align:left;vertical-align:top;
}
.table th{
  font-weight:600;background:var(--bg);
  color:var(--text-light);font-size:14px;
}
.table tr:hover{background:var(--bg-hover);}
.table .nowrap{white-space:nowrap;}
.section-title{
  font-weight:700;margin:0 0 16px 0;font-size:18px;color:var(--text);
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
}
.section-title::after{
  content:'';flex:1;height:1px;background:var(--border);margin-left:12px;
}
.item{
  border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:16px;background:var(--bg-card);margin-bottom:12px;transition:all .2s;
}
.item:hover{border-color:var(--primary-light);box-shadow:var(--shadow);}
.tx-row{display:flex;align-items:center;gap:12px;cursor:pointer;padding:4px 0;}
.tx-row .chev{transition:transform .2s;color:var(--muted);}
.peek{display:none;padding:16px 0 0 32px;}
.item.expanded .peek{display:block;}
.item.expanded .chev{transform:rotate(90deg);}
.tx-mini{display:flex;justify-content:space-between;width:100%;gap:10px;}
.tx-mini .left{overflow:hidden;white-space:nowrap;text-overflow:ellipsis;max-width:60%;}
.tx-mini .right{white-space:nowrap;text-align:right;}
.action-buttons{display:flex;gap:6px;flex-wrap:wrap;margin-top:12px;}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(200px,1fr));
  gap:16px;margin-bottom:24px;
}
.stat-card{
  background:var(--bg-card);border-radius:var(--radius);
  padding:20px;box-shadow:var(--shadow);text-align:center;
  transition:all .2s;border:1px solid var(--border);
}
.stat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);}
.stat-value{font-size:28px;font-weight:700;margin-bottom:8px;color:var(--primary);}
.stat-label{font-size:14px;color:var(--text-light);font-weight:500;}
.chart-container{
  background:var(--bg-card);border-radius:var(--radius);
  padding:20px;margin:16px 0;box-shadow:var(--shadow);border:1px solid var(--border);
}
.chart-bar{
  height:20px;background:var(--primary);border-radius:10px;
  margin:8px 0;transition:all .3s;
}
.quick-actions{display:flex;gap:12px;flex-wrap:wrap;margin:20px 0;}
.quick-action{
  display:flex;flex-direction:column;align-items:center;gap:8px;
  padding:16px;background:var(--bg-card);border-radius:var(--radius);
  box-shadow:var(--shadow);border:1px solid var(--border);
  cursor:pointer;transition:all .2s;
  flex:1;min-width:120px;max-width:150px;
}
.quick-action:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);background:var(--primary-light);}
.quick-action .icon{font-size:24px;color:var(--primary);}
.quick-action .label{font-size:14px;font-weight:500;text-align:center;}
.lang-switcher{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-light);}
#toast{
  position:fixed;left:50%;transform:translateX(-50%);
  bottom:100px;z-index:110;display:none;max-width:90vw;
}
.toast-message{
  background:var(--success);color:#fff;
  padding:12px 20px;border-radius:var(--radius);
  box-shadow:0 6px 20px rgba(0,0,0,.15);
  font-weight:600;text-align:center;
}
.modal{
  position:fixed;inset:0;display:none;align-items:center;justify-content:center;
  z-index:100;background:rgba(15,23,42,.7);backdrop-filter:blur(4px);padding:16px;
}
.modal.open{display:flex;}
.modal .content{
  background:var(--bg-card);border-radius:var(--radius);border:1px solid var(--border);
  width:min(900px,100%);max-height:90vh;overflow:auto;position:relative;box-shadow:var(--shadow-lg);color:var(--text);
}
.modal .hd,.modal .ft{
  padding:16px 20px;border-bottom:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px;
}
.modal .ft{border-top:1px solid var(--border);border-bottom:none;justify-content:flex-end;gap:8px;}
.modal .bd{padding:20px;}
.modal-actions-bar{
  display:flex;flex-wrap:wrap;gap:8px;width:100%;
}
.modal-col-2{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
}
@media(max-width:500px){
  .modal-col-2{grid-template-columns:1fr;}
}
nav.mfooter{
  position:fixed;bottom:0;left:0;right:0;display:none;gap:0;
  padding:8px 12px;background:var(--bg-card);border-top:1px solid var(--border);
  z-index:40;box-shadow:0 -2px 10px rgba(0,0,0,.1);
}
nav.mfooter .btn{
  flex:1;font-size:13px;padding:8px 6px;display:flex;flex-direction:column;
  align-items:center;gap:4px;border:none;background:transparent;border-radius:var(--radius-sm);box-shadow:none;
}
nav.mfooter .btn.active{color:var(--primary);background:var(--primary-light);}
nav.mfooter .btn .icon{font-size:20px;}
nav.mfooter .btn .label{font-size:11px;font-weight:500;}
.text-center{text-align:center;}
.text-right{text-align:right;}
.text-muted{color:var(--muted);}
.bold{font-weight:600;}
.small{font-size:13px;}
.nowrap{white-space:nowrap;}
.mb-0{margin-bottom:0;}
.mb-1{margin-bottom:8px;}
.mb-2{margin-bottom:16px;}
.mb-3{margin-bottom:24px;}
.mt-1{margin-top:8px;}
.mt-2{margin-top:16px;}
.mt-3{margin-top:24px;}
.p-0{padding:0;}
.p-1{padding:8px;}
.p-2{padding:16px;}
.p-3{padding:24px;}
.flex{display:flex;}
.flex-col{flex-direction:column;}
.flex-1{flex:1;}
.items-center{align-items:center;}
.justify-between{justify-content:space-between;}
.justify-center{justify-content:center;}
.gap-1{gap:8px;}
.gap-2{gap:16px;}
.gap-3{gap:24px;}
.w-full{width:100%;}
.hidden{display:none;}
.pointer{cursor:pointer;}
.disabled{opacity:.5;pointer-events:none;}
@media(max-width:840px){
  #menuToggle{display:inline-flex;}
  .tabs{
    display:none;position:absolute;top:100%;left:0;right:0;
    background:var(--bg-card);border:1px solid var(--border);
    border-radius:0 0 var(--radius) var(--radius);
    padding:12px;flex-wrap:wrap;gap:8px;
    box-shadow:0 4px 12px rgba(0,0,0,.1);z-index:30;
  }
  .tabs.open{display:flex;}
  nav.mfooter{display:flex;}
  body{padding-bottom:80px;}
  .g-2,.g-3,.g-4{grid-template-columns:1fr;}
  main{min-height:calc(100vh - 140px);padding:12px;}
  .header-actions{gap:6px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .quick-actions{justify-content:center;}
  .quick-action{min-width:100px;max-width:120px;}
  .modal .content{width:100%;margin:0;}
}
@media(max-width:480px){
  .stats-grid{grid-template-columns:1fr;}
  .header-actions .btn span:not(.icon){display:none;}
  .header-actions .btn{padding:8px;}
  .brand span{font-size:16px;}
}
@media(prefers-color-scheme:dark){
  :root {
    --bg:#0f172a;
    --bg-card:#1e293b;
    --bg-hover:#334155;
    --border:#334155;
    --border-light:#475569;
    --text:#f1f5f9;
    --text-light:#cbd5e1;
    --muted:#94a3b8;
    --muted-light:#475569;
    --shadow:0 1px 3px rgba(0,0,0,.3),0 4px 12px rgba(0,0,0,.2);
    --shadow-lg:0 10px 25px rgba(0,0,0,.3);
  }
}