:root{
  --bg: #0b1020;
  --panel: #0f1832;
  --panel2: #111c3a;
  --text: #eaf0ff;
  --muted: rgba(234,240,255,.68);
  --line: rgba(255,255,255,.10);
  --accent: #3cc7c7;
  --danger: #ff4d5a;
  --shadow: 0 18px 45px rgba(0,0,0,.35);
  --radius: 18px;
}

*{ box-sizing:border-box; }
html, body{ height:100%; }
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: radial-gradient(1200px 800px at 20% 0%, rgba(60,199,199,.16), transparent 55%),
              radial-gradient(900px 700px at 80% 10%, rgba(92,130,255,.16), transparent 55%),
              var(--bg);
  color: var(--text);
}

a{ color:inherit; text-decoration:none; }
.mini{ font-size:12px; color: var(--muted); }
.w100{ width:100%; }

.auth-layout{
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:24px;
}
.auth-card{
  width:min(520px, 100%);
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 22px;
  box-shadow: var(--shadow);
}
.auth-brand{
  display:flex;
  align-items:center;
  gap:14px;
  margin-bottom: 18px;
}
.auth-logo{
  width:46px;height:46px;border-radius:16px;
  display:grid;place-items:center;
  background: rgba(60,199,199,.16);
  border:1px solid rgba(60,199,199,.25);
  font-weight:800;
}
.auth-title{ font-size:18px; font-weight:800; letter-spacing:.3px;}
.auth-sub{ font-size:13px; color: var(--muted); margin-top:2px;}
.input, .select{
  width:100%;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.04);
  color: var(--text);
  outline:none;
}
.select.sm{ width:auto; padding:10px 10px; border-radius: 12px; }
.input:focus, .select:focus{ border-color: rgba(60,199,199,.45); }
.btn{
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.06);
  color: var(--text);
  cursor:pointer;
  font-weight:700;
}
.btn:hover{ filter: brightness(1.06); }
.btn.primary{
  border-color: rgba(60,199,199,.35);
  background: rgba(60,199,199,.14);
}
.btn.danger{
  border-color: rgba(255,77,90,.35);
  background: rgba(255,77,90,.12);
}
.grid{ display:grid; gap:12px; }
.grid.two{ grid-template-columns: 1fr 1fr; }

.app-layout{ display:flex; min-height:100vh; }
.sidebar{
  width: 280px;
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border-right: 1px solid var(--line);
  padding: 16px 14px;
  transition: width .18s ease, transform .18s ease;
  flex: 0 0 auto;
}
.brand{
  display:flex; align-items:center; gap:12px;
  padding: 10px 10px;
  border-radius: 18px;
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.06);
}
.logo{
  width:44px; height:44px; border-radius: 16px;
  display:grid; place-items:center;
  background: rgba(60,199,199,.16);
  border: 1px solid rgba(60,199,199,.25);
  font-weight:900;
}
.brand-name{ font-weight:900; letter-spacing:.3px; }
.brand-sub{ font-size:12px; color: var(--muted); margin-top:2px; }

.menu{ margin-top: 14px; display:flex; flex-direction:column; gap:8px; }
.menu-item, .menu-subitem{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:flex-start;
  gap:10px;
  padding: 11px 12px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.06);
  background: rgba(255,255,255,.03);
  color: var(--text);
  cursor:pointer;
}
.menu-item:hover, .menu-subitem:hover{ background: rgba(255,255,255,.05); }
.menu-item.active{ border-color: rgba(60,199,199,.35); background: rgba(60,199,199,.12); }
.menu-item .icon{ width:22px; display:grid; place-items:center; }
.menu-item .label{ flex: 1 1 auto; text-align:left; font-weight:800; }
.menu-item .chev{ opacity:.75; }

.menu-group{ display:flex; flex-direction:column; gap:8px; }
.submenu{
  margin-left: 10px;
  padding-left: 10px;
  border-left: 1px dashed rgba(255,255,255,.10);
  display:flex;
  flex-direction:column;
  gap:8px;
}
.menu-subitem{ padding: 10px 12px; border-radius: 14px; }
.menu-subitem .label{ font-weight:700; color: rgba(234,240,255,.9); }

.sidebar-footer{ margin-top: 14px; }

.main{ flex: 1 1 auto; min-width:0; }
.topbar{
  position: sticky;
  top:0;
  z-index: 10;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  background: rgba(11,16,32,.65);
  backdrop-filter: blur(10px);
}
.topbar-left{ display:flex; align-items:center; gap:10px; }
.page-title{ font-size: 16px; font-weight:900; letter-spacing:.2px; }
.topbar-right{ display:flex; align-items:center; gap:12px; }
.user-pill{
  display:flex;
  flex-direction:column;
  padding: 8px 12px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.03);
}
.content{ padding: 18px; }
.card{
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
}
.cards{ display:grid; grid-template-columns: repeat(12, 1fr); gap: 14px; }
.col-3{ grid-column: span 3; }
.col-4{ grid-column: span 4; }
.col-6{ grid-column: span 6; }
.col-8{ grid-column: span 8; }
.col-12{ grid-column: span 12; }

.kpi{
  display:flex;
  flex-direction:column;
  gap:4px;
}
.kpi .value{ font-size: 24px; font-weight: 900; }
.kpi .label{ color: var(--muted); font-size: 12px; }

.table{
  width:100%;
  border-collapse: collapse;
  overflow:hidden;
  border-radius: 16px;
}
.table th, .table td{
  text-align:left;
  padding: 10px 10px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  font-size: 13px;
}
.table th{ color: rgba(234,240,255,.9); font-weight: 800; }
.table td{ color: rgba(234,240,255,.82); }
.badge{
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  font-size: 12px;
  display:inline-flex;
  gap:8px;
  align-items:center;
}

/* ===== Sidebar toggle ===== */
.icon-btn{
  border:0;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.10);
  font-size:18px;
  line-height:1;
  cursor:pointer;
  padding:8px 10px;
  border-radius:14px;
  color: var(--text);
}
.icon-btn:hover{ background: rgba(255,255,255,.09); }

.sidebar.collapsed{ width: 76px; }
.sidebar.collapsed .brand-text,
.sidebar.collapsed .menu .label,
.sidebar.collapsed .submenu,
.sidebar.collapsed .sidebar-footer .btn{
  display:none !important;
}
.sidebar.collapsed .brand{ justify-content:center; }
.sidebar.collapsed .logo{ margin: 0 auto; }

/* ===== Mobile overlay ===== */
@media (max-width: 980px){
  .cards{ grid-template-columns: repeat(6, 1fr); }
  .col-3{ grid-column: span 3; }
  .col-4{ grid-column: span 6; }
  .col-6{ grid-column: span 6; }
  .col-8{ grid-column: span 6; }
  .col-12{ grid-column: span 6; }

  .sidebar{
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    z-index: 50;
    transform: translateX(-105%);
  }
  .sidebar.open{ transform: translateX(0); }
  .sidebar.collapsed{ width: 280px; }

  .topbar{ padding: 12px 12px; }
}



.grid-2-precios,
.grid-2-inicial,
.grid-2-stock{
  display:grid;
  grid-template-columns:repeat(2,minmax(220px,1fr));
  gap:16px;
}

@media (max-width: 768px){
  .grid-2-precios,
  .grid-2-inicial,
  .grid-2-stock{
    grid-template-columns:1fr;
  }
}

.table{
  width:100%;
  border-collapse:collapse;
}

.table th,
.table td{
  padding:10px 12px;
  border-bottom:1px solid #e5e7eb;
  text-align:left;
  font-size:14px;
  vertical-align:middle;
}

.btn-sm{
  padding:6px 10px;
  font-size:12px;
}

.danger{
  background:#dc2626;
  color:#fff;
  border:none;
}

.badge-stock-ok{
  display:inline-block;
  padding:4px 8px;
  border-radius:999px;
  background:#dcfce7;
  color:#166534;
  font-size:12px;
  font-weight:600;
}

.badge-stock-min{
  display:inline-block;
  padding:4px 8px;
  border-radius:999px;
  background:#fee2e2;
  color:#991b1b;
  font-size:12px;
  font-weight:600;
}