:root{
  --tt-primary:#075aa8;
  --tt-primary-dark:#063f78;
  --tt-accent:#50b9df;
  --tt-bg:#f3f7fb;
  --tt-text:#17324d;
  --tt-muted:#64748b;
  --tt-border:#dbe6f0;
  --tt-shadow:0 16px 40px rgba(6,63,120,.10);
  --tt-success:#16a34a;
  --tt-warm:#f59e0b;
  --tt-danger:#ef4444;
}
*{box-sizing:border-box;}
html,body{min-height:100%;}
body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--tt-text);background:linear-gradient(180deg,#f8fbfe 0%,#eef4f9 100%);}
a{color:var(--tt-primary);}
.tt-shell{display:block;min-height:100vh;}
.tt-sidebar{position:fixed;left:0;top:0;bottom:0;width:252px;height:100vh;padding:20px 16px;background:linear-gradient(180deg,#063f78 0%,#075aa8 58%,#0b78c4 100%);z-index:1040;overflow-y:auto;}
.tt-main{margin-left:252px;width:calc(100% - 252px);padding:28px 32px 48px;min-height:100vh;}
.tt-brand-wrap{display:flex;align-items:center;gap:12px;margin-bottom:22px;padding:0 6px;}
.tt-brand-logo{width:40px;height:40px;border-radius:11px;background:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;color:var(--tt-primary);font-size:13px;}
.tt-brand-text strong{display:block;color:#fff;font-size:.92rem;font-weight:800;}
.tt-brand-text span{display:block;color:rgba(255,255,255,.7);font-size:.66rem;text-transform:uppercase;letter-spacing:.06em;}
.tt-nav-heading{font-size:.66rem;text-transform:uppercase;letter-spacing:.08em;color:rgba(255,255,255,.5);padding:14px 10px 6px;font-weight:700;}
.tt-nav-link{display:block;padding:9px 12px;color:rgba(255,255,255,.88);text-decoration:none;font-size:.88rem;border-radius:10px;margin-bottom:2px;}
.tt-nav-link:hover{background:rgba(255,255,255,.09);color:#fff;}
.tt-nav-link.active{background:rgba(255,255,255,.16);font-weight:700;color:#fff;}
.tt-topbar{display:flex;justify-content:space-between;align-items:center;background:rgba(255,255,255,.8);border:1px solid rgba(255,255,255,.85);border-radius:16px;padding:12px 18px;margin-bottom:20px;box-shadow:var(--tt-shadow);}
.tt-topbar-title{font-weight:800;font-size:.92rem;}
.tt-topbar-subtitle{font-size:.74rem;color:var(--tt-muted);}
.tt-page-chrome{background:linear-gradient(120deg,#eef7ff,#f7fbff);border:1px solid var(--tt-border);border-radius:16px;padding:18px 22px;margin-bottom:20px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;box-shadow:var(--tt-shadow);}
.tt-page-kicker{font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;color:var(--tt-primary);font-weight:800;}
.tt-page-heading{font-size:1.5rem;font-weight:800;margin:.1rem 0;}
.tt-page-copy{color:var(--tt-muted);margin:0;}
.tt-card{background:#fff;border:1px solid var(--tt-border);border-radius:16px;box-shadow:var(--tt-shadow);}
.tt-kpi-card{border-radius:16px;padding:16px 18px;color:#fff;box-shadow:var(--tt-shadow);}
.tt-kpi-card-primary{background:linear-gradient(135deg,#075aa8,#0b78c4);}
.tt-kpi-card-warm{background:linear-gradient(135deg,#f97316,#f59e0b);}
.tt-kpi-card-success{background:linear-gradient(135deg,#0f9d58,#22c55e);}
.tt-kpi-card-danger{background:linear-gradient(135deg,#dc2626,#ef4444);}
.tt-kpi-label{font-size:.72rem;text-transform:uppercase;letter-spacing:.05em;opacity:.85;font-weight:700;}
.tt-kpi-value{font-size:1.7rem;font-weight:800;margin:.1rem 0;}
.tt-badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:.72rem;font-weight:700;}
.tt-table{width:100%;border-collapse:collapse;}
.tt-table th{text-align:left;padding:9px 10px;color:var(--tt-muted);font-size:.72rem;text-transform:uppercase;letter-spacing:.04em;border-bottom:2px solid var(--tt-border);}
.tt-table td{padding:10px;border-bottom:1px solid #eef1f6;font-size:.88rem;}
.tt-table tr:hover td{background:#f8fbfe;}
.form-control,.form-select{border:1px solid var(--tt-border);border-radius:9px;}
.form-control:focus,.form-select:focus{border-color:var(--tt-primary);box-shadow:0 0 0 3px rgba(7,90,168,.12);}
.btn-primary{background:var(--tt-primary);border-color:var(--tt-primary);}
.btn-primary:hover{background:var(--tt-primary-dark);border-color:var(--tt-primary-dark);}
.tt-stock-low{color:var(--tt-danger);font-weight:700;}
.tt-stock-ok{color:var(--tt-success);font-weight:700;}
@media(max-width:900px){
  .tt-sidebar{position:relative;width:100%;height:auto;}
  .tt-main{margin-left:0;width:100%;}
}
@media print{
  @page{size:A4;margin:12mm 10mm;}
  .tt-sidebar,.tt-topbar,.no-print{display:none!important;}
  .tt-main{margin:0!important;width:100%!important;padding:0!important;}
  .tt-table{font-size:8.5pt!important;}
}

.tt-notification-btn{position:relative;border:1px solid rgba(7,90,168,.18);background:#fff;color:var(--tt-primary);border-radius:999px;padding:8px 14px;font-weight:700;font-size:.85rem;}
.tt-notification-count{position:absolute;top:-6px;right:-6px;min-width:20px;height:20px;border-radius:999px;background:#dc3545;color:#fff;font-size:11px;line-height:20px;text-align:center;display:none;}
.tt-notification-panel{position:absolute;top:calc(100% + 10px);right:0;width:min(360px,90vw);background:#fff;border:1px solid #dbe6f0;border-radius:16px;box-shadow:0 18px 44px rgba(15,23,42,.14);z-index:1100;display:none;overflow:hidden;}
.tt-notification-panel.open{display:block;}
.tt-notification-panel__header{padding:12px 14px;border-bottom:1px solid #edf3f8;font-weight:800;}
.tt-notification-item{display:block;padding:12px 14px;text-decoration:none;color:#17324d;border-bottom:1px solid #edf3f8;}
.tt-notification-item:hover{background:#f4f9fd;color:#075aa8;}
.tt-notification-item.is-unread{font-weight:800;}
.tt-notification-empty{padding:14px;color:#64748b;}