/* Tema claro, alto contraste, sin frameworks */
:root{
  --bg:#f6f7fb;
  --card:#ffffff;
  --text:#111827;
  --muted:#6b7280;
  --border:#e5e7eb;
  --shadow: 0 10px 30px rgba(17,24,39,.08);
  --primary:#2563eb;
  --primary-2:#1d4ed8;
  --danger:#dc2626;
  --ok:#059669;
  --warn:#d97706;
  --radius:14px;
}

@media (prefers-color-scheme: dark){
  :root{
    --bg:#0b1220;
    --card:#0f172a;
    --text:#e5e7eb;
    --muted:#9ca3af;
    --border:#1f2937;
    --shadow: 0 10px 30px rgba(0,0,0,.25);
    --primary:#60a5fa;
    --primary-2:#3b82f6;
    --danger:#f87171;
    --ok:#34d399;
    --warn:#fbbf24;
  }
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial;
  background:var(--bg);
  color:var(--text);
}

.topbar{
  position:sticky; top:0; z-index:10;
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 16px;
  border-bottom:1px solid var(--border);
  background:color-mix(in srgb, var(--bg) 70%, var(--card));
  backdrop-filter: blur(10px);
}

.brand{display:flex; align-items:center; gap:12px}
.logo{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  font-weight:800;
  background:color-mix(in srgb, var(--primary) 18%, var(--card));
  border:1px solid color-mix(in srgb, var(--primary) 28%, var(--border));
}
.title{font-weight:800;letter-spacing:.2px}
.subtitle{font-size:12px;color:var(--muted)}

.container{
  max-width:1100px;
  margin:18px auto 60px;
  padding:0 16px;
  display:flex;
  flex-direction:column;
  gap:14px;
}

.card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:16px;
}

.card-head{
  display:flex; gap:10px;
  align-items:flex-start;
  justify-content:space-between;
  flex-wrap:wrap;
}

h1,h2{margin:0 0 10px 0}
h1{font-size:22px}
h2{font-size:18px}

.muted{color:var(--muted)}
.small{font-size:12px}
.sr-only{position:absolute;left:-9999px}

.form{display:grid; gap:12px; max-width:420px}
label{display:grid; gap:6px; font-weight:600}
input{
  width:100%;
  padding:10px 12px;
  border:1px solid var(--border);
  border-radius:12px;
  background:transparent;
  color:var(--text);
  outline:none;
}
input:focus{border-color:color-mix(in srgb, var(--primary) 60%, var(--border)); box-shadow:0 0 0 3px color-mix(in srgb, var(--primary) 18%, transparent)}
.row{display:flex; gap:10px; flex-wrap:wrap}

.btn{
  border:1px solid var(--border);
  background:transparent;
  color:var(--text);
  padding:10px 12px;
  border-radius:12px;
  cursor:pointer;
  font-weight:700;
}
.btn:hover{border-color:color-mix(in srgb, var(--text) 18%, var(--border))}
.btn.primary{
  background:var(--primary);
  border-color:var(--primary);
  color:white;
}
.btn.primary:hover{background:var(--primary-2); border-color:var(--primary-2)}
.btn.ghost{background:transparent}
.btn:disabled{opacity:.55; cursor:not-allowed}

.toolbar{
  display:flex; gap:10px; align-items:center; justify-content:space-between; flex-wrap:wrap;
  margin-top:10px;
}
.toolbar-right{display:flex; gap:10px; align-items:center; flex-wrap:wrap}
.file input{display:none}
.search{position:relative; flex:1; min-width:260px}
.suggestions{
  position:absolute; left:0; right:0; top:44px;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:14px;
  overflow:hidden;
  box-shadow:var(--shadow);
}
.sugg-item{
  padding:10px 12px;
  border-bottom:1px solid var(--border);
  cursor:pointer;
}
.sugg-item:last-child{border-bottom:none}
.sugg-item:hover{background:color-mix(in srgb, var(--primary) 10%, transparent)}
.sugg-code{font-weight:800}
.sugg-desc{color:var(--muted); font-size:12px; margin-top:2px}

.table-wrap{overflow:auto; border-radius:14px; border:1px solid var(--border); margin-top:10px}
.table{width:100%; border-collapse:collapse; min-width:760px}
th,td{padding:10px 10px; border-bottom:1px solid var(--border); vertical-align:middle}
th{font-size:12px; text-transform:uppercase; letter-spacing:.06em; color:var(--muted); text-align:left}
.num{text-align:right}
tbody tr:hover{background:color-mix(in srgb, var(--bg) 55%, transparent)}
tbody .empty td{padding:16px; text-align:center}

.qty{
  display:flex; align-items:center; gap:8px; justify-content:flex-end;
}
.qty input{
  width:92px;
  text-align:right;
  padding:8px 10px;
  border-radius:12px;
}
.iconbtn{
  width:34px; height:34px;
  border-radius:10px;
  border:1px solid var(--border);
  background:transparent;
  cursor:pointer;
  font-weight:900;
}
.iconbtn:hover{border-color:color-mix(in srgb, var(--text) 18%, var(--border))}
.iconbtn.danger:hover{border-color:color-mix(in srgb, var(--danger) 40%, var(--border)); color:var(--danger)}
.pill{
  border:1px solid var(--border);
  padding:8px 10px;
  border-radius:999px;
  background:color-mix(in srgb, var(--bg) 70%, transparent);
  font-weight:700;
  font-size:13px;
}

.totals{display:flex; gap:14px; flex-wrap:wrap; align-items:center}
.actions{display:flex; gap:10px; flex-wrap:wrap; margin-top:12px}

.status{
  margin-top:10px;
  padding:10px 12px;
  border-radius:12px;
  border:1px dashed var(--border);
  color:var(--muted);
  min-height:18px;
}
.status.ok{border-style:solid; border-color:color-mix(in srgb, var(--ok) 35%, var(--border)); color:color-mix(in srgb, var(--ok) 75%, var(--text))}
.status.err{border-style:solid; border-color:color-mix(in srgb, var(--danger) 40%, var(--border)); color:color-mix(in srgb, var(--danger) 75%, var(--text))}
.status.warn{border-style:solid; border-color:color-mix(in srgb, var(--warn) 45%, var(--border)); color:color-mix(in srgb, var(--warn) 85%, var(--text))}

.saved{display:grid; gap:10px}
.saved-item{
  border:1px solid var(--border);
  border-radius:14px;
  padding:12px;
  display:flex; gap:12px; justify-content:space-between; align-items:flex-start; flex-wrap:wrap;
}
.saved-meta{display:grid; gap:4px}
.saved-actions{display:flex; gap:8px; flex-wrap:wrap}
code{background:color-mix(in srgb, var(--bg) 65%, transparent); padding:2px 6px; border-radius:8px; border:1px solid var(--border)}
.hint summary{cursor:pointer}