:root{
  --color-ink:#1E2A44;
  --color-blue:#2F8FE0;
  --color-blue-dark:#1D6FBB;
  --color-teal:#2DD4BF;
  --color-indigo:#6C7FE0;
  --color-amber:#FFA53D;
  --color-amber-dark:#F08A1E;
  --color-red:#E5484D;
  --color-green:#1FAE71;
  --color-bg:#F6F9FD;
  --color-bg-muted:#EFF6FF;
  --color-card:#FFFFFF;
  --color-text:var(--color-ink);
  --color-text-soft:#6B7A99;
  --color-border:#E1EBF7;
  --sidebar-bg:#161B2E;
  --sidebar-bg-soft:#212745;
  --sidebar-text:#AEB8DA;
  --sidebar-text-active:#FFFFFF;
  --font-display:'Baloo 2', sans-serif;
  --font-body:'Inter', sans-serif;
  --radius-sm:10px;
  --radius-md:16px;
  --radius-lg:22px;
  --radius-pill:999px;
  --shadow-card:0 1px 2px rgba(30,42,68,.04), 0 8px 24px -12px rgba(30,42,68,.12);
  --sidebar-w:248px;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  font-family:var(--font-body);
  color:var(--color-text);
  background:var(--color-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:var(--font-display);color:var(--color-ink);margin:0;}
p{margin:0;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;}
img{max-width:100%;display:block;}
a{color:inherit;}
::-webkit-scrollbar{height:8px;width:8px;}
::-webkit-scrollbar-thumb{background:#CBD9EF;border-radius:8px;}

/* ============ LOGIN ============ */
.auth-screen{
  min-height:100vh;
  display:flex;align-items:center;justify-content:center;
  padding:24px;
  background:
    radial-gradient(560px 320px at 85% -10%, rgba(255,165,61,.30), transparent 60%),
    radial-gradient(520px 340px at 10% 110%, rgba(47,143,224,.28), transparent 60%),
    linear-gradient(180deg,#0F1428 0%, #161B2E 100%);
}
.auth-card{
  width:100%;max-width:400px;
  background:var(--color-card);
  border-radius:var(--radius-lg);
  padding:36px 32px 30px;
  box-shadow:0 30px 60px -20px rgba(5,10,30,.45);
}
.auth-card__brand{text-align:center;margin-bottom:22px;}
.auth-card__mark{
  width:52px;height:52px;border-radius:16px;margin:0 auto 14px;
  background:linear-gradient(135deg,var(--color-blue) 0%, var(--color-indigo) 100%);
  display:flex;align-items:center;justify-content:center;font-size:24px;
  box-shadow:0 10px 24px -8px rgba(47,143,224,.55);
}
.auth-card__brand h1{font-size:21px;margin-bottom:4px;}
.auth-card__brand p{color:var(--color-text-soft);font-size:13.5px;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:12.5px;font-weight:600;color:var(--color-text-soft);margin-bottom:6px;}
.field input, .field select, .field textarea{
  width:100%;padding:11px 13px;border-radius:var(--radius-sm);
  border:1.5px solid var(--color-border);background:var(--color-bg-muted);
  font-size:14px;color:var(--color-ink);outline:none;transition:border-color .15s;
}
.field input:focus, .field select:focus, .field textarea:focus{border-color:var(--color-blue);}
.field-row{display:flex;gap:12px;}
.field-row .field{flex:1;}
.pw-wrap{position:relative;}
.pw-wrap button{
  position:absolute;right:6px;top:50%;transform:translateY(-50%);
  background:none;border:0;font-size:12px;color:var(--color-blue-dark);font-weight:700;padding:6px 8px;
}
.remember-row{display:flex;align-items:center;justify-content:space-between;margin:2px 0 18px;font-size:13px;color:var(--color-text-soft);}
.remember-row label{display:flex;align-items:center;gap:7px;cursor:pointer;}
.btn{
  border:0;border-radius:var(--radius-pill);font-weight:700;font-size:14.5px;
  padding:12px 20px;display:inline-flex;align-items:center;justify-content:center;gap:8px;
  transition:transform .12s ease, box-shadow .12s ease, background .15s;
}
.btn:active{transform:scale(.98);}
.btn--primary{
  background:linear-gradient(135deg,var(--color-blue) 0%, var(--color-blue-dark) 100%);
  color:#fff;width:100%;box-shadow:0 10px 22px -10px rgba(29,111,187,.65);
}
.btn--primary:hover{box-shadow:0 14px 26px -10px rgba(29,111,187,.75);}
.btn--outline{background:#fff;color:var(--color-ink);border:1.5px solid var(--color-border);}
.btn--outline:hover{border-color:var(--color-blue);color:var(--color-blue-dark);}
.btn--ghost{background:transparent;color:var(--color-text-soft);}
.btn--danger{background:var(--color-red);color:#fff;}
.btn--sm{padding:8px 14px;font-size:13px;}
.auth-demo{
  margin-top:18px;background:var(--color-bg-muted);border:1px dashed #C9DEF9;
  border-radius:var(--radius-sm);padding:12px 14px;font-size:12.5px;color:var(--color-text-soft);line-height:1.55;
}
.auth-demo b{color:var(--color-ink);}
.auth-error{
  display:none;background:#FDECEC;color:#B02A2E;border-radius:var(--radius-sm);
  padding:10px 12px;font-size:13px;margin-bottom:14px;font-weight:600;
}
.auth-error.is-visible{display:block;}

/* ============ APP SHELL ============ */
.app{display:none;min-height:100vh;}
.app.is-active{display:flex;}

.sidebar{
  width:var(--sidebar-w);flex-shrink:0;background:var(--sidebar-bg);
  color:var(--sidebar-text);display:flex;flex-direction:column;
  position:fixed;top:0;left:0;bottom:0;z-index:60;
  transition:transform .25s ease;
}
.sidebar__brand{
  display:flex;align-items:center;gap:10px;padding:22px 20px 18px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.sidebar__brand .mark{
  width:34px;height:34px;border-radius:10px;flex-shrink:0;
  background:linear-gradient(135deg,var(--color-blue) 0%, var(--color-indigo) 100%);
  display:flex;align-items:center;justify-content:center;font-size:17px;
}
.sidebar__brand strong{color:#fff;font-family:var(--font-display);font-size:15.5px;display:block;}
.sidebar__brand span{font-size:11px;color:#7F8AB3;}
.sidebar__close{margin-left:auto;background:none;border:0;color:#7F8AB3;font-size:20px;display:none;}

.sidebar__nav{flex:1;padding:16px 12px;overflow-y:auto;}
.sidebar__section-label{font-size:10.5px;letter-spacing:.06em;color:#5F6A94;padding:14px 12px 6px;font-weight:700;}
.nav-item{
  display:flex;align-items:center;gap:12px;width:100%;text-align:left;
  padding:11px 13px;border-radius:12px;background:none;border:0;color:var(--sidebar-text);
  font-size:14px;font-weight:600;margin-bottom:3px;transition:background .15s,color .15s;
}
.nav-item .ic{width:20px;text-align:center;font-size:16px;flex-shrink:0;}
.nav-item .count{
  margin-left:auto;background:rgba(255,255,255,.08);color:#C7D0EE;
  font-size:11px;font-weight:700;padding:2px 8px;border-radius:999px;
}
.nav-item:hover{background:rgba(255,255,255,.06);color:#fff;}
.nav-item.is-active{background:linear-gradient(135deg,var(--color-blue) 0%, var(--color-indigo) 100%);color:#fff;box-shadow:0 8px 18px -8px rgba(47,143,224,.6);}
.nav-item.is-active .count{background:rgba(255,255,255,.25);color:#fff;}

.sidebar__footer{padding:14px 12px 18px;border-top:1px solid rgba(255,255,255,.08);}
.sidebar__user{display:flex;align-items:center;gap:10px;padding:8px;border-radius:12px;}
.sidebar__user .avatar{
  width:34px;height:34px;border-radius:50%;background:var(--color-amber);
  color:#3A2400;font-weight:800;font-size:13px;display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.sidebar__user .who{min-width:0;flex:1;}
.sidebar__user .who strong{display:block;color:#fff;font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.sidebar__user .who span{font-size:11px;color:#7F8AB3;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:block;}
.logout-btn{
  display:flex;align-items:center;gap:8px;width:100%;margin-top:10px;
  background:rgba(229,72,77,.12);color:#FF9B9E;border:0;border-radius:12px;
  padding:10px 13px;font-size:13.5px;font-weight:700;
}
.logout-btn:hover{background:rgba(229,72,77,.22);}

.overlay{
  position:fixed;inset:0;background:rgba(10,14,30,.5);z-index:55;
  display:none;
}
.overlay.is-visible{display:block;}

.main{margin-left:var(--sidebar-w);flex:1;min-width:0;min-height:100vh;display:flex;flex-direction:column;}

.topbar{
  position:sticky;top:0;z-index:40;background:rgba(246,249,253,.85);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--color-border);
  display:flex;align-items:center;gap:14px;padding:14px 26px;
}
.hamburger{display:none;background:#fff;border:1.5px solid var(--color-border);border-radius:10px;width:38px;height:38px;font-size:16px;align-items:center;justify-content:center;}
.topbar__title{flex:1;min-width:0;}
.topbar__title h2{font-size:19px;}
.topbar__title p{font-size:12.5px;color:var(--color-text-soft);margin-top:2px;}
.topbar__search{
  display:flex;align-items:center;gap:8px;background:#fff;border:1.5px solid var(--color-border);
  border-radius:var(--radius-pill);padding:9px 15px;min-width:220px;
}
.topbar__search input{border:0;outline:0;background:none;font-size:13.5px;width:100%;color:var(--color-ink);}
.topbar__search svg{flex-shrink:0;color:var(--color-text-soft);}

.content{padding:24px 26px 60px;flex:1;}
.section{display:none;}
.section.is-active{display:block;animation:fadeIn .2s ease;}
@keyframes fadeIn{from{opacity:0;transform:translateY(4px);}to{opacity:1;transform:none;}}

/* ============ CARDS / KPIs ============ */
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:22px;}
.kpi-card{
  background:var(--color-card);border-radius:var(--radius-lg);padding:18px 20px;
  box-shadow:var(--shadow-card);border:1px solid var(--color-border);
}
.kpi-card__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.kpi-card__icon{
  width:38px;height:38px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:18px;
}
.kpi-card__delta{font-size:11.5px;font-weight:700;padding:3px 8px;border-radius:999px;}
.kpi-card__delta.up{background:#E4F8EF;color:var(--color-green);}
.kpi-card__delta.flat{background:var(--color-bg-muted);color:var(--color-text-soft);}
.kpi-card__value{font-family:var(--font-display);font-size:26px;color:var(--color-ink);margin-bottom:3px;}
.kpi-card__label{font-size:12.5px;color:var(--color-text-soft);font-weight:600;}

.grid-2{display:grid;grid-template-columns:1.4fr 1fr;gap:16px;margin-bottom:22px;align-items:start;}
.panel{
  background:var(--color-card);border-radius:var(--radius-lg);padding:20px 22px;
  box-shadow:var(--shadow-card);border:1px solid var(--color-border);
}
.panel__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;gap:10px;flex-wrap:wrap;}
.panel__head h3{font-size:16px;}
.panel__head p{font-size:12px;color:var(--color-text-soft);margin-top:2px;}

.bar-chart{display:flex;align-items:flex-end;gap:10px;height:150px;padding-top:6px;}
.bar-chart .bar-col{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;gap:8px;}
.bar-chart .bar{width:60%;max-width:34px;border-radius:8px 8px 3px 3px;background:linear-gradient(180deg,var(--color-blue) 0%, var(--color-indigo) 100%);position:relative;min-height:4px;transition:height .4s ease;}
.bar-chart .bar-label{font-size:10.5px;color:var(--color-text-soft);font-weight:600;text-align:center;}
.bar-chart .bar-val{font-size:10.5px;color:var(--color-ink);font-weight:700;position:absolute;top:-18px;left:50%;transform:translateX(-50%);white-space:nowrap;}

.status-list{display:flex;flex-direction:column;gap:12px;}
.status-row{display:flex;align-items:center;gap:10px;}
.status-dot{width:9px;height:9px;border-radius:50%;flex-shrink:0;}
.status-row .lbl{font-size:13px;font-weight:600;flex:1;}
.status-row .track{flex:1.4;height:7px;border-radius:999px;background:var(--color-bg-muted);overflow:hidden;}
.status-row .fill{height:100%;border-radius:999px;}
.status-row .n{font-size:12.5px;font-weight:700;color:var(--color-text-soft);width:22px;text-align:right;}

/* ============ TABLE ============ */
.table-wrap{overflow-x:auto;border-radius:var(--radius-md);border:1px solid var(--color-border);}
table{width:100%;border-collapse:collapse;background:#fff;min-width:640px;}
thead th{
  text-align:left;font-size:11.5px;letter-spacing:.03em;color:var(--color-text-soft);
  font-weight:700;padding:13px 16px;background:var(--color-bg-muted);white-space:nowrap;
  border-bottom:1px solid var(--color-border);
}
tbody td{padding:13px 16px;font-size:13.5px;border-bottom:1px solid var(--color-border);vertical-align:middle;}
tbody tr:last-child td{border-bottom:0;}
tbody tr:hover{background:#FBFDFF;}
.cell-prod{display:flex;align-items:center;gap:11px;}
.cell-prod img{width:40px;height:40px;border-radius:9px;object-fit:cover;background:var(--color-bg-muted);flex-shrink:0;}
.cell-prod .fallback{width:40px;height:40px;border-radius:9px;background:var(--color-bg-muted);display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0;}
.cell-prod strong{display:block;font-size:13.5px;color:var(--color-ink);font-weight:600;}
.cell-prod span{font-size:11.5px;color:var(--color-text-soft);}
.pill{display:inline-flex;align-items:center;gap:5px;padding:4px 11px;border-radius:999px;font-size:11.5px;font-weight:700;white-space:nowrap;}
.pill--blue{background:#E7F2FE;color:var(--color-blue-dark);}
.pill--amber{background:#FFF3E2;color:var(--color-amber-dark);}
.pill--teal{background:#E3FBF7;color:#0F8C7C;}
.pill--gray{background:var(--color-bg-muted);color:var(--color-text-soft);}
.pill--green{background:#E4F8EF;color:var(--color-green);}
.pill--red{background:#FDECEC;color:#C23237;}
select.status-select{
  border:1.5px solid var(--color-border);border-radius:999px;padding:6px 26px 6px 12px;
  font-size:12px;font-weight:700;background:#fff;color:var(--color-ink);
}
.row-actions{display:flex;gap:6px;}
.icon-btn{
  width:32px;height:32px;border-radius:9px;border:1.5px solid var(--color-border);background:#fff;
  display:flex;align-items:center;justify-content:center;font-size:14px;color:var(--color-text-soft);
  transition:all .15s;
}
.icon-btn:hover{border-color:var(--color-blue);color:var(--color-blue-dark);background:var(--color-bg-muted);}
.icon-btn.danger:hover{border-color:var(--color-red);color:var(--color-red);background:#FDECEC;}
.empty-state{padding:50px 20px;text-align:center;color:var(--color-text-soft);}
.empty-state .emoji{font-size:34px;margin-bottom:10px;}
.empty-state h4{color:var(--color-ink);margin-bottom:4px;font-size:15px;}
.empty-state p{font-size:13px;}

.toolbar{display:flex;align-items:center;gap:10px;margin-bottom:16px;flex-wrap:wrap;}
.toolbar .search-box{
  display:flex;align-items:center;gap:8px;background:#fff;border:1.5px solid var(--color-border);
  border-radius:var(--radius-pill);padding:9px 14px;flex:1;min-width:180px;
}
.toolbar .search-box input{border:0;outline:0;background:none;font-size:13.5px;width:100%;}
.toolbar select{
  border:1.5px solid var(--color-border);border-radius:var(--radius-pill);padding:9px 14px;font-size:13px;background:#fff;font-weight:600;color:var(--color-ink);
}
.page-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;gap:12px;flex-wrap:wrap;}
.page-head h2{font-size:20px;}
.page-head p{font-size:12.5px;color:var(--color-text-soft);margin-top:3px;}

/* category cards */
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:14px;}
.cat-card{background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-md);padding:16px;box-shadow:var(--shadow-card);}
.cat-card__icon{width:46px;height:46px;border-radius:13px;background:var(--color-bg-muted);display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:12px;}
.cat-card strong{display:block;font-size:14.5px;margin-bottom:2px;}
.cat-card span{font-size:12px;color:var(--color-text-soft);}
.cat-card__foot{display:flex;justify-content:space-between;align-items:center;margin-top:14px;}

/* ============ MODAL ============ */
.modal-overlay{
  position:fixed;inset:0;background:rgba(10,14,30,.5);z-index:100;
  display:none;align-items:center;justify-content:center;padding:20px;
}
.modal-overlay.is-visible{display:flex;}
.modal{
  background:#fff;border-radius:var(--radius-lg);width:100%;max-width:460px;
  max-height:90vh;overflow-y:auto;box-shadow:0 30px 70px -20px rgba(5,10,30,.4);
  animation:modalIn .18s ease;
}
@keyframes modalIn{from{opacity:0;transform:translateY(10px) scale(.98);}to{opacity:1;transform:none;}}
.modal__head{display:flex;align-items:center;justify-content:space-between;padding:20px 22px 6px;}
.modal__head h3{font-size:17px;}
.modal__close{background:var(--color-bg-muted);border:0;width:30px;height:30px;border-radius:9px;font-size:16px;color:var(--color-text-soft);}
.modal__body{padding:14px 22px 6px;}
.modal__foot{display:flex;gap:10px;padding:18px 22px 22px;}
.modal__foot .btn{flex:1;}
.modal--confirm .modal__body{padding:6px 22px 4px;font-size:14px;color:var(--color-text-soft);line-height:1.6;}
.modal--view .modal__body{padding:8px 22px 4px;}
.detail-row{display:flex;justify-content:space-between;gap:14px;padding:9px 0;border-bottom:1px dashed var(--color-border);font-size:13.5px;}
.detail-row:last-child{border-bottom:0;}
.detail-row span:first-child{color:var(--color-text-soft);font-weight:600;}
.detail-row span:last-child{font-weight:700;color:var(--color-ink);text-align:right;}
.detail-items{background:var(--color-bg-muted);border-radius:12px;padding:10px 14px;margin:10px 0;}
.detail-items div{display:flex;justify-content:space-between;font-size:12.5px;padding:5px 0;}

/* toast */
.toast{
  position:fixed;bottom:24px;right:24px;z-index:200;
  background:var(--color-ink);color:#fff;padding:13px 18px;border-radius:12px;
  font-size:13.5px;font-weight:600;box-shadow:0 14px 30px -10px rgba(0,0,0,.4);
  display:flex;align-items:center;gap:10px;
  transform:translateY(20px);opacity:0;pointer-events:none;transition:all .25s ease;
}
.toast.is-visible{transform:translateY(0);opacity:1;}
.toast .dot{width:8px;height:8px;border-radius:50%;background:var(--color-teal);flex-shrink:0;}

/* ============ RESPONSIVE ============ */
@media (max-width: 1080px){
  .kpi-grid{grid-template-columns:repeat(2,1fr);}
  .grid-2{grid-template-columns:1fr;}
}
@media (max-width: 900px){
  .sidebar{transform:translateX(-100%);}
  .sidebar.is-open{transform:translateX(0);}
  .sidebar__close{display:block;}
  .main{margin-left:0;}
  .hamburger{display:flex;}
  .topbar__search{display:none;}
}
@media (max-width: 640px){
  .kpi-grid{grid-template-columns:1fr 1fr;gap:10px;}
  .kpi-card{padding:14px 15px;}
  .kpi-card__value{font-size:21px;}
  .content{padding:16px 14px 50px;}
  .topbar{padding:12px 14px;}
  .topbar__title h2{font-size:16.5px;}
  .page-head h2{font-size:18px;}
  .panel{padding:16px 15px;}
  .modal{max-width:100%;border-radius:20px 20px 0 0;position:fixed;bottom:0;left:0;right:0;max-height:88vh;}
  .modal-overlay{align-items:flex-end;padding:0;}
  .field-row{flex-direction:column;gap:0;}
  .toolbar{flex-direction:column;align-items:stretch;}
  .toolbar select{width:100%;}
}
@media (max-width: 420px){
  .kpi-grid{grid-template-columns:1fr;}
}

/* ============ IMAGE UPLOAD (product modal) ============ */
.img-upload{display:flex;gap:14px;align-items:center;margin-bottom:10px;}
.img-upload__preview{
  width:76px;height:76px;border-radius:12px;background:var(--color-bg-muted);
  border:1.5px dashed var(--color-border);display:flex;align-items:center;justify-content:center;
  font-size:28px;overflow:hidden;flex-shrink:0;
}
.img-upload__preview img{width:100%;height:100%;object-fit:cover;}
.img-upload__actions{display:flex;flex-direction:column;gap:7px;align-items:flex-start;min-width:0;}
.img-upload__actions .btn{width:auto;}
.img-upload__actions .hint{font-size:11.5px;color:var(--color-text-soft);}
.remove-img{display:flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;color:var(--color-red);cursor:pointer;}