/* ========= THEME ========= */
:root{
  --bg:#f8fafc; --panel:#ffffff; --text:#1e293b; --muted:#64748b;
  --brand:#2563eb; --accent:#3b82f6; --danger:#dc2626; --border:#e2e8f0;

  /* Layout vars */
  --sidebar-w: 240px;
  --sidebar-w-collapsed: 68px;
  --topbar-h: 64px;
  --footer-h: 44px;
}
html,body{height:100%;margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--text)}
.hide{display:none!important} .muted{color:var(--muted)}
*{box-sizing:border-box}

/* ========= APP LAYOUT ========= */
.app{display:flex;min-height:100vh}

/* Sidebar */
.sidebar{
  position:fixed; inset:0 auto 0 0; width:var(--sidebar-w);
  background:var(--panel);
  border-right:1px solid var(--border);
  padding:14px 10px;
  overflow:auto; z-index:100;
}
.sidebar .brand{
  display:flex;align-items:center;gap:10px;
  font-weight:700;color:var(--brand);padding:6px 8px;margin:2px 4px 10px;border-radius:8px
}
.sidebar nav{display:flex;flex-direction:column;gap:6px}
.sidebar nav a{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;margin:0 4px;border-radius:10px;
  color:var(--text); text-decoration:none; background:#f1f5f9; border:1px solid var(--border)
}
.sidebar nav a:hover{background:#eef2ff;border-color:#c7d2fe}
.nav-icon{width:24px;text-align:center;opacity:.9}
.nav-label{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* Main */
.main{flex:1;display:flex;flex-direction:column;margin-left:var(--sidebar-w)}

/* Topbar */
.topbar{
  position:fixed; left:var(--sidebar-w); right:0; top:0; height:var(--topbar-h);
  background:var(--panel); border-bottom:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between; gap:12px;
  padding:0 16px; z-index:90;
  box-shadow:0 1px 0 rgba(0,0,0,.03);
}
.topbar .left{display:flex;align-items:center;gap:10px}
.topbar h1{font-size:18px;margin:0}

/* Footer */
.footer{
  position:fixed; left:var(--sidebar-w); right:0; bottom:0; height:var(--footer-h);
  background:var(--panel); border-top:1px solid var(--border);
  display:flex; align-items:center; padding:0 16px; color:var(--muted);
}

/* Content area */
#view-root{
  padding: calc(var(--topbar-h) + 16px) 16px calc(var(--footer-h) + 16px);
  min-height:100vh; overflow:auto;
}
.big{font-size:28px;font-weight:700;color:var(--brand);margin:4px 0}


/* ========= COMPONENTS ========= */
.container{max-width:1200px;margin:0 auto}
.stack>*+*{margin-top:12px}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}
.card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:16px;
  box-shadow:0 1px 0 rgba(0,0,0,.02)}
.card h3{margin:8px 0}

.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}

.input,select,textarea{
  width:100%;background:#fff;border:1px solid var(--border);color:var(--text);
  padding:8px;border-radius:8px
}
.button{background:var(--accent);border:none;color:#fff;padding:8px 12px;border-radius:8px;cursor:pointer}
.button.secondary{background:#64748b}
.button.danger{background:#dc2626}
.ghost{background:transparent;border:1px solid var(--border);color:var(--text);border-radius:8px;padding:6px 10px}

.badge{background:#e2e8f0;padding:2px 6px;border-radius:6px;font-size:12px}
.badge.pill{border-radius:999px}
.badge-btn{display:flex;align-items:center;gap:6px}

.img{width:100%;height:180px;object-fit:cover;background:#f1f5f9;border-radius:10px}

/* Modal & gallery */
dialog.card{max-width:620px;width:100%;border:none;border-radius:14px;padding:16px}
dialog::backdrop{background:rgba(0,0,0,.45)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.gallery{display:flex;gap:8px;flex-wrap:wrap}
.gallery img{width:100px;height:80px;object-fit:cover;border:1px solid var(--border);border-radius:6px}
.thumb{position:relative}
.thumb button{position:absolute;top:2px;right:2px;border:none;background:rgba(0,0,0,.55);color:#fff;border-radius:4px;padding:2px 6px;cursor:pointer}

/* Toolbar sticky within page */
.toolbar{display:flex;gap:8px;align-items:center}
.toolbar.sticky{position:sticky;top:calc(var(--topbar-h) + 8px);z-index:5;padding:8px 0;background:var(--bg)}

/* Table */
.table{width:100%;border-collapse:collapse}
.table th,.table td{border-top:1px solid var(--border);padding:10px;text-align:left;vertical-align:middle}
.table th{font-weight:600;background:#f8fafc}

/* Meta pills */
.meta{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:8px}
.tag{background:#eef2ff;border:1px solid #c7d2fe;border-radius:999px;padding:2px 8px;font-size:12px;color:#1e40af}

/* Cart small controls */
.btn-sm{padding:4px 8px;border-radius:6px;font-size:12px}
.btn-ghost{background:transparent;border:1px solid var(--border);color:var(--text)}
.chip{background:#f1f5f9;border:1px solid var(--border);padding:2px 8px;border-radius:999px;font-size:12px}
.cart-row{display:flex;align-items:center;gap:8px;padding:6px 0;border-top:1px solid var(--border)}
.cart-row:first-child{border-top:none}
.cart-name{flex:1;min-width:160px}
.cart-qty{display:flex;align-items:center;gap:6px}

/* Collapse (desktop) */
body.sidebar-collapsed{ --sidebar-w: var(--sidebar-w-collapsed); }
body.sidebar-collapsed .nav-label{ display:none; }
body.sidebar-collapsed .sidebar{padding-left:6px;padding-right:6px}
body.sidebar-collapsed .sidebar .brand{justify-content:center}

/* Mobile overlay */
@media (max-width:900px){
  .main{margin-left:0}
  .topbar{left:0}
  .footer{left:0}
  .sidebar{transform:translateX(-100%);transition:transform .2s ease}
  .sidebar.open{transform:translateX(0)}
}