/* ============ DESIGN TOKENS ============ */
:root{
  --clr-primary:#14355E;
  --clr-primary-light:#1F4A7A;
  --clr-primary-dark:#0D2745;
  --clr-accent:#0EA5A5;
  --clr-accent-dark:#0B8181;
  --clr-warning:#F59E0B;
  --clr-warning-bg:#FEF3E2;
  --clr-critical:#DC2626;
  --clr-critical-bg:#FDE8E8;
  --clr-success:#16A34A;
  --clr-success-bg:#E8F7EE;
  --clr-bg:#F4F6F9;
  --clr-surface:#FFFFFF;
  --clr-border:#E3E8EF;
  --clr-text:#182233;
  --clr-text-muted:#65748B;
  --radius-sm:8px;
  --radius:12px;
  --radius-lg:18px;
  --shadow-sm:0 1px 2px rgba(15,23,42,.06);
  --shadow-md:0 6px 20px rgba(15,23,42,.08);
  --sidebar-w:264px;
  --sidebar-w-collapsed:76px;
  --font-display:'Plus Jakarta Sans',sans-serif;
  --font-body:'Inter',sans-serif;
}
[data-theme="dark"]{
  --clr-bg:#0F1720;
  --clr-surface:#17212C;
  --clr-border:#26313E;
  --clr-text:#E7ECF3;
  --clr-text-muted:#8A97A8;
}
*{box-sizing:border-box;}
body{
  font-family:var(--font-body);
  background:var(--clr-bg);
  color:var(--clr-text);
  margin:0;
  font-size:15px;
}
h1,h2,h3,h4,.font-display{font-family:var(--font-display);font-weight:700;}

/* ============ LAYOUT SHELL ============ */
.app-shell{display:flex;min-height:100vh;}
.sidebar{
  width:var(--sidebar-w);
  background:var(--clr-primary-dark);
  color:#DCE6F2;
  flex-shrink:0;
  display:flex;flex-direction:column;
  transition:width .2s ease;
  position:sticky;top:0;height:100vh;overflow-y:auto;
  z-index:40;
}
.sidebar.collapsed{width:var(--sidebar-w-collapsed);}
.sidebar.collapsed .side-label,.sidebar.collapsed .brand-text{display:none;}
.side-brand{
  display:flex;align-items:center;gap:.6rem;
  padding:1.25rem 1.1rem;border-bottom:1px solid rgba(255,255,255,.08);
}
.side-brand .logo-badge{
  width:38px;height:38px;border-radius:10px;background:var(--clr-accent);
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;flex-shrink:0;
}
.side-group-title{
  font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;
  color:#7C8DA6;padding:1rem 1.1rem .35rem;
}
.side-link{
  display:flex;align-items:center;gap:.7rem;padding:.55rem 1.1rem;
  color:#C3D0E2;text-decoration:none;font-size:.88rem;border-left:3px solid transparent;
}
.side-link i{width:18px;text-align:center;font-size:1rem;flex-shrink:0;}
.side-link:hover{background:rgba(255,255,255,.06);color:#fff;}
.side-link.active{background:rgba(14,165,165,.15);border-left-color:var(--clr-accent);color:#fff;}

.app-main{flex:1;min-width:0;display:flex;flex-direction:column;}
.topbar{
  background:var(--clr-surface);border-bottom:1px solid var(--clr-border);
  padding:.7rem 1.25rem;display:flex;align-items:center;gap:1rem;
  position:sticky;top:0;z-index:30;
}
.topbar .global-search{
  flex:1;max-width:420px;background:var(--clr-bg);border:1px solid var(--clr-border);
  border-radius:999px;padding:.5rem 1rem;display:flex;align-items:center;gap:.5rem;color:var(--clr-text-muted);
}
.icon-btn{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--clr-border);
  background:var(--clr-surface);display:flex;align-items:center;justify-content:center;color:var(--clr-text);
}
.page-content{padding:1.5rem;max-width:1600px;width:100%;margin:0 auto;}

/* ============ CARDS / BADGES ============ */
.card-flat{background:var(--clr-surface);border:1px solid var(--clr-border);border-radius:var(--radius);box-shadow:var(--shadow-sm);}
.stat-card{padding:1.1rem 1.25rem;}
.stat-card .stat-label{font-size:.78rem;color:var(--clr-text-muted);}
.stat-card .stat-value{font-family:var(--font-display);font-size:1.6rem;font-weight:800;}

.badge-pill{padding:.28rem .65rem;border-radius:999px;font-size:.72rem;font-weight:700;letter-spacing:.02em;}
.badge-nhra{background:#E6EEF7;color:var(--clr-primary);}
.badge-warning{background:var(--clr-warning-bg);color:#92600A;}
.badge-critical{background:var(--clr-critical-bg);color:var(--clr-critical);}
.badge-success{background:var(--clr-success-bg);color:var(--clr-success);}
.badge-cancelled{background:#1E1E1E;color:#fff;}
.badge-temp{background:#EDE4FF;color:#5B21B6;}
.badge-general{background:#DFF3EC;color:#0F7A5F;}

.status-dot{width:8px;height:8px;border-radius:50%;display:inline-block;margin-right:6px;}
.dot-online{background:var(--clr-success);}
.dot-sync{background:var(--clr-warning);}
.dot-offline{background:var(--clr-critical);}

/* ============ TABLE ============ */
.table-clean{width:100%;border-collapse:collapse;font-size:.87rem;}
.table-clean th{
  text-align:left;font-size:.72rem;text-transform:uppercase;letter-spacing:.05em;
  color:var(--clr-text-muted);padding:.7rem .9rem;border-bottom:1px solid var(--clr-border);
}
.table-clean td{padding:.75rem .9rem;border-bottom:1px solid var(--clr-border);vertical-align:middle;}
.table-clean tbody tr:hover{background:var(--clr-bg);}

/* ============ POS ============ */
.pos-wrap{display:grid;grid-template-columns:1fr 380px;gap:1.25rem;height:calc(100vh - 80px);}
.pos-scan{
  background:var(--clr-surface);border:2px solid var(--clr-border);border-radius:var(--radius);
  padding:.9rem 1.1rem;display:flex;align-items:center;gap:.7rem;
}
.pos-scan input{border:none;outline:none;font-size:1.15rem;flex:1;background:transparent;}
.pos-result-card{
  border:1px solid var(--clr-border);border-radius:var(--radius);padding:.85rem 1rem;margin-bottom:.6rem;
  display:flex;justify-content:space-between;align-items:center;background:var(--clr-surface);
}
.cart-panel{background:var(--clr-surface);border-left:1px solid var(--clr-border);border-radius:var(--radius);
  display:flex;flex-direction:column;height:100%;}
.cart-item{display:flex;justify-content:space-between;padding:.7rem 1rem;border-bottom:1px solid var(--clr-border);gap:.5rem;}
.cart-totals{padding:1rem;border-top:1px solid var(--clr-border);}
.pay-btn{
  background:var(--clr-accent);color:#fff;border:none;border-radius:var(--radius);
  padding:1rem;font-size:1.1rem;font-weight:700;width:100%;
}
.qty-stepper{display:flex;align-items:center;gap:.4rem;}
.qty-stepper button{width:26px;height:26px;border-radius:6px;border:1px solid var(--clr-border);background:var(--clr-bg);}

/* ============ MISC ============ */
.step-flow{display:flex;align-items:center;gap:.4rem;flex-wrap:wrap;}
.step-flow .step{
  padding:.4rem .85rem;border-radius:999px;background:var(--clr-bg);border:1px solid var(--clr-border);
  font-size:.8rem;color:var(--clr-text-muted);
}
.step-flow .step.active{background:var(--clr-primary);color:#fff;border-color:var(--clr-primary);}
.step-flow .arrow{color:var(--clr-text-muted);}
.dropzone{
  border:2px dashed var(--clr-border);border-radius:var(--radius);padding:2.5rem;text-align:center;color:var(--clr-text-muted);
  background:var(--clr-bg);
}
.expiry-bar{height:6px;border-radius:4px;background:var(--clr-border);overflow:hidden;}
.expiry-bar span{display:block;height:100%;}

@media (max-width:991px){
  .sidebar{position:fixed;left:-280px;height:100vh;}
  .sidebar.mobile-open{left:0;}
  .pos-wrap{grid-template-columns:1fr;}
}

/* ============ NHRA / PHARMACY DATA DISTINCTION ============ */
.nhra-card{border-left:4px solid var(--clr-primary);}
.pharmacy-card{border-left:4px solid var(--clr-accent);}
.storage-critical{background:var(--clr-critical-bg);border-color:var(--clr-critical) !important;color:var(--clr-critical);}
.source-tag{
  display:inline-flex;align-items:center;gap:.35rem;font-size:.7rem;font-weight:700;
  background:#E6EEF7;color:var(--clr-primary);padding:.2rem .6rem;border-radius:6px;
}

/* ============ EMPTY / ERROR STATES ============ */
.empty-state{text-align:center;padding:3rem 1.5rem;color:var(--clr-text-muted);}
.empty-state i{font-size:2.6rem;opacity:.5;}
.empty-state h3{font-size:1.05rem;margin:.8rem 0 .3rem;color:var(--clr-text);}
.empty-state p{font-size:.85rem;max-width:380px;margin:0 auto 1rem;}

/* ============ SKELETON LOADERS ============ */
.skeleton{position:relative;overflow:hidden;background:var(--clr-border);border-radius:8px;min-height:14px;}
.skeleton::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.45),transparent);
  animation:shimmer 1.3s infinite;
}
@keyframes shimmer{100%{transform:translateX(100%);}}

/* ============ MOBILE STICKY PAY BAR ============ */
.mobile-pay-bar{
  position:fixed;bottom:0;left:0;right:0;background:var(--clr-surface);
  border-top:1px solid var(--clr-border);padding:.75rem 1rem;z-index:35;
  display:none;justify-content:space-between;align-items:center;box-shadow:0 -4px 16px rgba(15,23,42,.08);
}
@media (max-width:991px){
  .mobile-pay-bar{display:flex;}
  .page-content{padding-bottom:5.5rem;}
}

/* ============ PERMISSION MATRIX ============ */
.perm-check{width:20px;height:20px;accent-color:var(--clr-accent);cursor:pointer;}

/* ============ RECEIPT PREVIEW ============ */
.receipt-preview{
  width:302px;margin:0 auto;background:#fff;color:#111;border-radius:8px;
  padding:1.25rem;font-family:'Courier New',monospace;font-size:.8rem;
  box-shadow:var(--shadow-md);
}
.sticker-preview{
  width:320px;margin:0 auto;background:#fff;color:#111;border-radius:8px;
  border:2px solid var(--clr-border);padding:1rem;font-size:1rem;line-height:1.5;
}