:root {
  --bg: #f6f8fc;
  --text: #0f172a;
  --card: #ffffff;
  --border: #dde6f0;
  --primary: #163d74;
  --muted: #5b6b7f;
  --danger: #b91c1c;
  --success: #166534;
  --warning: #9a3412;
}
[data-theme="dark"] {
  --bg: #0b1120;
  --text: #e5e7eb;
  --card: #121a2b;
  --border: #243246;
  --primary: #6ea8ff;
  --muted: #a6b3c4;
  --danger: #fca5a5;
  --success: #86efac;
  --warning: #fdba74;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}
.sidebar{position:fixed;left:0;top:0;bottom:0;width:250px;padding:24px;border-right:1px solid var(--border);background:var(--card);display:flex;flex-direction:column;gap:10px;overflow:auto}
.sidebar .brand{font-size:22px;font-weight:800;margin-bottom:8px}
.sidebar a,.sidebar button{display:block;padding:12px 14px;border-radius:14px;color:var(--text);text-decoration:none;border:1px solid transparent;background:none;text-align:left;cursor:pointer}
.sidebar a:hover,.sidebar button:hover{background:rgba(100,116,139,.08)}
.content{margin-left:250px;padding:32px}
.hero{padding:32px;border-radius:28px;background:linear-gradient(180deg,var(--card),rgba(255,255,255,.7));border:1px solid var(--border)}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.actions.compact{gap:8px;margin-top:0}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 16px;border-radius:14px;background:var(--primary);color:#fff;text-decoration:none;border:0;cursor:pointer}
.btn.ghost{background:transparent;border:1px solid var(--border);color:var(--text)}
.btn.small{min-height:36px;padding:0 12px;border-radius:10px}
.grid{display:grid;gap:20px}
.grid.cards{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.grid.two{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
.card{background:var(--card);border:1px solid var(--border);border-radius:24px;padding:22px;box-shadow:0 10px 30px rgba(15,23,42,.05)}
.metric span{display:block;color:var(--muted);font-size:13px;margin-bottom:8px}
.metric strong{font-size:28px}
.table{width:100%;border-collapse:collapse}
.table th,.table td{padding:12px 10px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top}
.table code{word-break:break-all}
.form-grid{display:grid;gap:16px}
.form-grid .full{grid-column:1/-1}
input,select,textarea{width:100%;min-height:44px;padding:10px 12px;border:1px solid var(--border);border-radius:12px;background:transparent;color:var(--text)}
label{display:block;margin-bottom:6px;font-weight:600}
.price{font-size:28px;font-weight:800}
.flash{padding:14px 16px;border-radius:16px;margin-bottom:18px}
.flash.success{background:#ecfdf3;color:#166534;border:1px solid #bbf7d0}
.flash.error{background:#fff1f2;color:#be123c;border:1px solid #fecdd3}
.social-login{margin-top:16px}
.theme-toggle{margin-top:auto}
.badge{display:inline-flex;align-items:center;justify-content:center;padding:6px 10px;border-radius:999px;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.03em}
.badge.success{background:#ecfdf3;color:#166534}
.badge.warning{background:#fff7ed;color:#9a3412}
.badge.danger{background:#fff1f2;color:#be123c}
.ticket{padding:18px 0;border-bottom:1px solid var(--border)}
.ticket:last-child{border-bottom:0;padding-bottom:0}
.ticket-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;margin-bottom:8px}
.ticket-thread{display:grid;gap:10px;margin-top:12px}
.ticket-message{padding:12px 14px;border:1px solid var(--border);border-radius:14px;background:rgba(100,116,139,.04)}
.muted{color:var(--muted);font-size:13px}
.inline-form{display:grid;grid-template-columns:1.2fr 1.4fr .8fr auto;gap:8px;align-items:center}
.filter-bar{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.filter-bar input,.filter-bar select{max-width:280px}
.faq-list details{padding:14px 0;border-bottom:1px solid var(--border)}
.faq-list details:last-child{border-bottom:0}
.faq-list summary{cursor:pointer;font-weight:700}
@media (max-width: 980px){
  .sidebar{position:static;width:auto;height:auto}
  .content{margin-left:0;padding:20px}
  .inline-form{grid-template-columns:1fr}
}


html,body{max-width:100%;overflow-x:hidden}
.app-shell{display:block}
.mobile-topbar,.mobile-backdrop{display:none}
.sidebar hr{width:100%;border:0;border-top:1px solid var(--border);margin:8px 0}
.content>*+*{margin-top:20px}
.table-wrap{width:100%;overflow:auto}

@media (max-width: 1024px){
  .content{padding:24px}
  .grid.two{grid-template-columns:1fr}
  .inline-form{grid-template-columns:1fr 1fr}
}

@media (max-width: 768px){
  body{padding-top:64px}
  .mobile-topbar{position:fixed;left:0;right:0;top:0;height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 14px;background:var(--card);border-bottom:1px solid var(--border);z-index:1200}
  .mobile-brand{font-weight:800;font-size:18px}
  .mobile-menu-btn,.mobile-theme-btn{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:12px;border:1px solid var(--border);background:var(--card);color:var(--text);font-size:20px;cursor:pointer}
  .mobile-backdrop{position:fixed;inset:0;background:rgba(2,6,23,.45);border:0;padding:0;z-index:1090}
  .mobile-backdrop.open{display:block}
  .sidebar{position:fixed;left:0;top:0;bottom:0;transform:translateX(-100%);transition:transform .25s ease;z-index:1100;width:min(88vw,320px);padding:18px}
  .sidebar.open{transform:translateX(0)}
  .content{margin-left:0;padding:16px}
  .hero{padding:20px;border-radius:20px}
  .card{padding:16px;border-radius:18px}
  .actions{flex-direction:column;align-items:stretch}
  .actions .btn{width:100%}
  .filter-bar{display:grid;grid-template-columns:1fr;gap:8px}
  .filter-bar input,.filter-bar select{max-width:none}
  .inline-form{grid-template-columns:1fr}
  .ticket-head{flex-direction:column;align-items:flex-start}
  .metric strong,.price{font-size:24px}
  .table,.table thead,.table tbody,.table th,.table td,.table tr{display:block;width:100%}
  .table thead{display:none}
  .table tr{border:1px solid var(--border);border-radius:16px;padding:10px 12px;margin-bottom:12px;background:var(--card)}
  .table td{border-bottom:0;padding:8px 0}
  .table td:before{content:attr(data-label);display:block;font-size:12px;font-weight:700;color:var(--muted);margin-bottom:4px;text-transform:uppercase;letter-spacing:.03em}
}

@media (max-width: 480px){
  .content{padding:12px}
  .card,.hero{padding:14px}
  .sidebar a,.sidebar button{padding:11px 12px}
  input,select,textarea,.btn{min-height:42px}
}



/* ===== v5.2.1 MOBILE HOTFIX ===== */
@media (max-width: 768px){
  :root{
    --mobile-topbar-h:56px;
  }

  body{
    padding-top:var(--mobile-topbar-h) !important;
    overflow-x:hidden !important;
  }

  .app-shell{
    display:block !important;
    width:100% !important;
    max-width:100% !important;
  }

  .mobile-topbar{
    position:fixed !important;
    top:0 !important;
    left:0 !important;
    right:0 !important;
    height:var(--mobile-topbar-h) !important;
    display:flex !important;
    align-items:center !important;
    justify-content:space-between !important;
    padding:0 12px !important;
    z-index:1200 !important;
    background:#fff !important;
    border-bottom:1px solid rgba(15,23,42,.08) !important;
  }

  .mobile-brand{
    font-size:16px !important;
    font-weight:800 !important;
    line-height:1 !important;
  }

  .mobile-menu-btn,
  .mobile-theme-btn{
    width:40px !important;
    height:40px !important;
    min-height:40px !important;
    border-radius:10px !important;
    font-size:18px !important;
  }

  .sidebar{
    position:fixed !important;
    top:0 !important;
    left:0 !important;
    bottom:0 !important;
    width:84vw !important;
    max-width:280px !important;
    overflow-y:auto !important;
    -webkit-overflow-scrolling:touch !important;
    transform:translateX(-100%) !important;
    transition:transform .22s ease !important;
    z-index:1250 !important;
    padding:16px 12px 22px !important;
    margin:0 !important;
  }

  .sidebar.open{
    transform:translateX(0) !important;
  }

  .sidebar .brand{
    font-size:18px !important;
    margin-bottom:8px !important;
  }

  .sidebar a,
  .sidebar button{
    display:flex !important;
    align-items:center !important;
    width:100% !important;
    min-height:42px !important;
    padding:10px 12px !important;
    font-size:14px !important;
    line-height:1.25 !important;
    border-radius:10px !important;
    margin:0 0 6px 0 !important;
  }

  .sidebar hr{
    margin:8px 0 !important;
  }

  .mobile-backdrop{
    position:fixed !important;
    inset:0 !important;
    background:rgba(2,6,23,.4) !important;
    z-index:1240 !important;
    display:none !important;
  }

  .mobile-backdrop.open{
    display:block !important;
  }

  .content{
    margin-left:0 !important;
    width:100% !important;
    max-width:100% !important;
    padding:12px !important;
    overflow-x:hidden !important;
  }

  .hero,
  .card{
    width:100% !important;
    max-width:100% !important;
    padding:14px !important;
    border-radius:16px !important;
    box-sizing:border-box !important;
  }

  .hero h1{
    font-size:28px !important;
    line-height:1.08 !important;
    letter-spacing:-.02em !important;
    margin-bottom:8px !important;
  }

  .hero p,
  .card p,
  .content p{
    font-size:13px !important;
    line-height:1.45 !important;
  }

  .card h1{font-size:22px !important; line-height:1.1 !important;}
  .card h2{font-size:20px !important; line-height:1.15 !important;}
  .card h3{font-size:17px !important; line-height:1.2 !important;}

  .btn{
    display:inline-flex !important;
    align-items:center !important;
    justify-content:center !important;
    min-height:40px !important;
    padding:0 14px !important;
    font-size:13px !important;
    border-radius:10px !important;
  }

  .actions{
    display:flex !important;
    flex-direction:column !important;
    gap:8px !important;
  }

  .actions .btn{
    width:100% !important;
  }

  .grid,
  .grid.two,
  .grid.three,
  .grid.four,
  .cards{
    display:grid !important;
    grid-template-columns:1fr !important;
    gap:12px !important;
  }

  .inline-form,
  .form-grid,
  .filter-bar{
    display:grid !important;
    grid-template-columns:1fr !important;
    gap:10px !important;
  }

  input,
  select,
  textarea{
    width:100% !important;
    max-width:100% !important;
    min-height:42px !important;
    font-size:14px !important;
    box-sizing:border-box !important;
  }

  .metric strong,
  .price{
    font-size:22px !important;
    line-height:1.1 !important;
  }

  .table,
  .table thead,
  .table tbody,
  .table tr,
  .table th,
  .table td{
    display:block !important;
    width:100% !important;
  }

  .table thead{
    display:none !important;
  }

  .table tr{
    background:#fff !important;
    border:1px solid rgba(15,23,42,.08) !important;
    border-radius:14px !important;
    padding:10px 12px !important;
    margin-bottom:10px !important;
    box-sizing:border-box !important;
  }

  .table td{
    padding:7px 0 !important;
    border:0 !important;
  }

  .table td::before{
    content:attr(data-label) !important;
    display:block !important;
    margin-bottom:3px !important;
    font-size:11px !important;
    font-weight:700 !important;
    color:#64748b !important;
    text-transform:uppercase !important;
    letter-spacing:.04em !important;
  }
}

@media (max-width: 420px){
  .content{
    padding:10px !important;
  }

  .hero,
  .card{
    padding:12px !important;
    border-radius:14px !important;
  }

  .hero h1{
    font-size:24px !important;
  }

  .mobile-brand{
    font-size:15px !important;
  }

  .sidebar{
    width:86vw !important;
    max-width:260px !important;
  }

  .sidebar a,
  .sidebar button{
    font-size:13px !important;
    min-height:40px !important;
    padding:9px 11px !important;
  }

  .btn{
    min-height:38px !important;
    font-size:12px !important;
  }

  .card h2{font-size:18px !important;}
  .card h3{font-size:16px !important;}
  .price,.metric strong{font-size:20px !important;}
}