:root {
  --bg: #f4f7fb;
  --surface: rgba(255,255,255,0.92);
  --surface-strong: #ffffff;
  --surface-muted: #eef5f8;
  --text: #0f172a;
  --muted: #64748b;
  --line: #dbe6ee;
  --primary: #0f6381;
  --primary-2: #1588aa;
  --accent: #0ea5b7;
  --danger: #c2410c;
  --success: #16815b;
  --shadow: 0 18px 48px rgba(15,23,42,.10);
  --radius: 20px;
}

html[data-theme="dark"] {
  --bg: #07111f;
  --surface: rgba(13, 25, 43, 0.82);
  --surface-strong: #0d1b2f;
  --surface-muted: #10243d;
  --text: #e6f1ff;
  --muted: #94a9c3;
  --line: rgba(148, 169, 195, .18);
  --primary: #30a1c5;
  --primary-2: #58c7e9;
  --accent: #41e0d0;
  --danger: #fb923c;
  --success: #38d39f;
  --shadow: 0 22px 60px rgba(0,0,0,.35);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(48,161,197,.25), transparent 32rem),
    radial-gradient(circle at 80% 20%, rgba(65,224,208,.16), transparent 28rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }

.app-shell { display: grid; grid-template-columns: 280px minmax(0, 1fr); min-height: 100vh; }
.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 28px 22px;
  border-right: 1px solid var(--line);
  background: linear-gradient(180deg, var(--surface), rgba(15,99,129,.06));
  backdrop-filter: blur(16px);
}
.brand-block { display: grid; gap: 14px; }
.brand-logo { width: 220px; max-width: 100%; object-fit: contain; filter: drop-shadow(0 8px 18px rgba(15,99,129,.18)); }
.eyebrow { margin: 0 0 5px; text-transform: uppercase; font-weight: 700; letter-spacing: .09em; font-size: 11px; color: var(--primary-2); }
h1, h2, h3 { margin: 0; line-height: 1.05; }
h1 { font-size: 28px; }
h2 { font-size: clamp(24px, 2.4vw, 36px); }
h3 { font-size: 18px; }
.nav-menu { display: grid; gap: 8px; margin-top: 34px; }
.nav-link {
  padding: 13px 14px;
  border-radius: 14px;
  color: var(--muted);
  font-weight: 700;
  transition: .2s ease;
}
.nav-link:hover, .nav-link.active { background: var(--surface-muted); color: var(--text); }
.sidebar-card {
  position: absolute; left: 22px; right: 22px; bottom: 26px;
  display: flex; gap: 12px; align-items: center;
  padding: 15px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface-strong);
  box-shadow: var(--shadow);
}
.sidebar-card small { display:block; color: var(--muted); margin-top: 3px; line-height:1.35; }
.status-dot { width: 10px; height: 10px; border-radius: 999px; background: var(--success); box-shadow: 0 0 0 7px rgba(56,211,159,.12); flex: none; }
.content { padding: 26px clamp(18px, 3vw, 42px) 60px; min-width: 0; }
.topbar {
  display: flex; justify-content: space-between; align-items: center; gap: 20px;
  margin-bottom: 26px;
}
.topbar-actions { display: flex; gap: 10px; }
.btn {
  border: 0;
  border-radius: 13px;
  padding: 11px 15px;
  font-weight: 800;
  cursor: pointer;
  color: var(--text);
  background: var(--surface-muted);
  border: 1px solid var(--line);
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 12px 22px rgba(0,0,0,.10); }
.btn.primary { background: linear-gradient(135deg, var(--primary), var(--accent)); color: white; border-color: transparent; }
.btn.secondary { background: rgba(48,161,197,.14); color: var(--primary-2); }
.btn.ghost { background: transparent; }
.btn.wide { width: 100%; margin-top: 12px; }
.section { margin: 34px 0 50px; scroll-margin-top: 20px; }
.section-title { display:flex; justify-content: space-between; align-items:flex-end; gap: 14px; margin-bottom: 15px; }
.pill {
  padding: 8px 11px;
  border-radius: 999px;
  background: var(--surface-muted);
  color: var(--muted);
  font-weight: 700;
  border: 1px solid var(--line);
}
.kpi-grid { display:grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 16px; }
.kpi-card, .panel {
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
  backdrop-filter: blur(16px);
}
.kpi-card { padding: 20px; overflow:hidden; position:relative; }
.kpi-card::after {
  content:""; position:absolute; width: 130px; height: 130px; border-radius: 50%;
  right: -65px; top: -65px; background: rgba(48,161,197,.16);
}
.kpi-card span, .kpi-card small { color: var(--muted); }
.kpi-card strong { display:block; margin: 10px 0 8px; font-size: clamp(28px, 3vw, 44px); letter-spacing:-.04em; }
.kpi-card.accent { background: linear-gradient(135deg, rgba(15,99,129,.98), rgba(14,165,183,.86)); color:white; }
.kpi-card.accent span, .kpi-card.accent small { color: rgba(255,255,255,.82); }
.panel { padding: 20px; }
.panel-grid { display:grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 18px; margin-top: 18px; }
.panel-head { display:flex; align-items:center; justify-content:space-between; gap: 12px; margin-bottom: 16px; }
.panel-head p { margin: 5px 0 0; color: var(--muted); }
canvas { width: 100%; max-height: 300px; }
.filters-grid, .form-grid { display:grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-bottom: 16px; }
.form-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
label { display:grid; gap: 7px; color: var(--muted); font-weight: 800; font-size: 13px; }
input, select, textarea {
  width: 100%;
  padding: 12px 12px;
  border-radius: 13px;
  border: 1px solid var(--line);
  background: var(--surface-strong);
  color: var(--text);
  outline: none;
}
input:focus, select:focus, textarea:focus { border-color: var(--primary-2); box-shadow: 0 0 0 4px rgba(48,161,197,.12); }
.full-label { margin-top: 12px; }
.table-wrap { width: 100%; overflow:auto; border-radius: 16px; border: 1px solid var(--line); }
.data-table { width: 100%; border-collapse: collapse; min-width: 1080px; }
.data-table th, .data-table td { padding: 12px 13px; border-bottom: 1px solid var(--line); vertical-align: top; text-align: left; }
.data-table th { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing:.05em; background: var(--surface-muted); position: sticky; top: 0; z-index: 1; }
.data-table td { font-size: 13px; }
.data-table tr:hover td { background: rgba(48,161,197,.08); }
.price-cell { font-weight: 900; white-space: nowrap; }
.desc-cell { min-width: 320px; }
.status { display:inline-block; padding: 6px 8px; border-radius: 999px; font-weight: 900; font-size: 11px; }
.status.cotizable { background: rgba(22,129,91,.14); color: var(--success); }
.status.consultar { background: rgba(194,65,12,.14); color: var(--danger); }
.pagination { display:flex; justify-content:flex-end; align-items:center; gap: 12px; margin-top: 14px; color: var(--muted); font-weight: 700; }
.quote-layout { display:grid; grid-template-columns: minmax(280px, .85fr) minmax(420px, 1.5fr); gap: 18px; align-items:start; }
.quote-table-wrap { max-height: 380px; }
.quote-table { min-width: 860px; }
.quote-table input { padding: 8px; border-radius: 10px; min-width: 70px; }
.quote-total-box { margin-top: 16px; display:grid; gap: 8px; max-width: 360px; margin-left:auto; }
.quote-total-box div { display:flex; align-items:center; justify-content:space-between; padding: 10px 12px; border-radius: 14px; background: var(--surface-muted); }
.quote-total-box span { color: var(--muted); font-weight:800; }
.quote-total-box strong { font-size: 18px; }
.quote-total-box .grand-total { background: linear-gradient(135deg, rgba(15,99,129,.18), rgba(65,224,208,.14)); border:1px solid var(--line); }
.result-box { margin-top: 12px; padding: 14px; border-radius: 15px; background: rgba(22,129,91,.12); border:1px solid rgba(22,129,91,.25); color: var(--success); font-weight:800; }
.hidden { display:none; }
.history-panel { margin-top: 18px; }
.history-list { display:grid; gap: 10px; }
.history-item { display:flex; justify-content:space-between; gap: 12px; align-items:center; padding: 12px; border:1px solid var(--line); border-radius: 15px; background: var(--surface-strong); }
.history-item small { color: var(--muted); display:block; margin-top: 4px; }
.ingest-panel { display:grid; gap: 16px; }
.drop-zone { display:grid; grid-template-columns: 1fr 2fr auto; gap: 16px; align-items:center; padding: 18px; border:1px dashed var(--primary-2); border-radius: 18px; background: rgba(48,161,197,.07); }
.drop-zone p { margin: 4px 0 0; color: var(--muted); }
.log-box { margin:0; border-radius: 15px; padding: 15px; background: #020617; color: #a7f3d0; overflow:auto; max-height: 280px; border: 1px solid var(--line); }
.conditions-panel ul { margin: 0; padding-left: 22px; display:grid; gap: 10px; color: var(--muted); }
.conditions-panel li { line-height: 1.5; }
@media (max-width: 1150px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: relative; height:auto; display:block; }
  .sidebar-card { position: static; margin-top: 24px; }
  .kpi-grid, .panel-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .quote-layout { grid-template-columns: 1fr; }
}
@media (max-width: 780px) {
  .content { padding: 18px; }
  .topbar, .section-title { align-items:flex-start; flex-direction: column; }
  .kpi-grid, .panel-grid, .filters-grid, .form-grid { grid-template-columns: 1fr; }
  .drop-zone { grid-template-columns: 1fr; }
  .brand-logo { width: 190px; }
}