:root {
  --carbon: #171816;
  --panel: #23241F;
  --ivory: #F4F1E8;
  --sand: #C7B99A;
  --gold: #A88D55;
  --green: #657A5B;
  --red: #9C5147;
  --line: #D8D4C8;
  --muted: #8A8376;
  --bg: #0F100E;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  background: var(--bg);
  color: var(--ivory);
  font-family: Inter, Manrope, Arial, system-ui, sans-serif;
  font-size: 14px;
  line-height: 1.45;
}

.hidden { display: none !important; }

.login-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-card {
  width: 100%;
  max-width: 380px;
  border: 1px solid rgba(216,212,200,0.15);
  border-radius: 12px;
  background: var(--panel);
  padding: 36px;
  box-shadow: 0 24px 60px rgba(0,0,0,0.35);
}

.login-card img { width: 120px; margin-bottom: 18px; }
.login-card h1 { margin: 0 0 6px; font-size: 22px; font-weight: 600; }
.login-card p { color: var(--sand); margin: 0 0 24px; }

#app {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 260px 1fr;
}

.sidebar {
  background: var(--carbon);
  border-right: 1px solid rgba(216,212,200,0.1);
  display: flex;
  flex-direction: column;
  padding: 18px 0;
}

.logo { display: flex; align-items: center; gap: 12px; padding: 0 22px 22px; border-bottom: 1px solid rgba(216,212,200,0.08); }
.logo img { width: 34px; }
.logo span { font-size: 18px; font-weight: 600; letter-spacing: -0.2px; }

.main-nav { display: grid; gap: 4px; padding: 14px 12px; }
.nav-item {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 14px;
  border-radius: 8px;
  color: var(--ivory);
  background: transparent;
  border: 0;
  text-align: left;
  font-size: 14px;
  cursor: pointer;
}
.nav-item:hover { background: rgba(216,212,200,0.06); }
.nav-item.active { background: rgba(168,141,85,0.16); color: var(--gold); }

.user-card { margin-top: auto; padding: 16px 22px; border-top: 1px solid rgba(216,212,200,0.08); }
.user-card strong { display: block; font-weight: 600; }
.user-card small { display: block; color: var(--sand); margin-bottom: 8px; }

.main-area { display: grid; grid-template-rows: 64px 1fr; }

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 28px;
  border-bottom: 1px solid rgba(216,212,200,0.1);
  background: var(--carbon);
}
.topbar h1 { margin: 0; font-size: 20px; font-weight: 600; }

.content { padding: 24px 28px; overflow: auto; }

.card, .panel {
  background: var(--panel);
  border: 1px solid rgba(216,212,200,0.12);
  border-radius: 10px;
  padding: 18px;
  margin-bottom: 18px;
}

.toolbar { display: flex; gap: 10px; flex-wrap: wrap; align-items: end; margin-bottom: 18px; }
.toolbar .group { display: flex; flex-direction: column; gap: 4px; }
.toolbar label { font-size: 11px; text-transform: uppercase; color: var(--sand); letter-spacing: 0.4px; }

input, select, button, textarea {
  font: inherit;
  border-radius: 6px;
  border: 1px solid rgba(216,212,200,0.18);
  background: rgba(15,16,14,0.6);
  color: var(--ivory);
  padding: 8px 10px;
}
input::placeholder, textarea::placeholder { color: var(--muted); }
button { cursor: pointer; font-weight: 600; border-color: transparent; }
button.primary { background: var(--gold); color: var(--carbon); }
button.secondary { background: rgba(216,212,200,0.12); color: var(--ivory); }
button.danger { background: var(--red); color: var(--ivory); }
button.text { background: transparent; color: var(--sand); border: 0; padding: 0; }
button:disabled { opacity: 0.45; cursor: not-allowed; }

.data-table {
  display: grid;
  gap: 1px;
  background: rgba(216,212,200,0.08);
  border-radius: 8px;
  overflow: hidden;
}
.data-table .row {
  display: grid;
  grid-template-columns: 90px 1fr 120px 120px 120px 110px;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: var(--panel);
}
.data-table .row.header { background: rgba(216,212,200,0.08); color: var(--sand); font-weight: 600; font-size: 12px; text-transform: uppercase; }
.data-table .row:hover:not(.header) { background: rgba(216,212,200,0.04); }
.data-table .col-small { font-size: 12px; color: var(--sand); }
.data-table .actions { display: flex; gap: 6px; justify-content: flex-end; }

.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 8px;
  border-radius: 12px;
  font-size: 12px; font-weight: 600;
  background: rgba(216,212,200,0.1);
}
.badge.borrador { color: var(--sand); }
.badge.enviado { color: var(--gold); }
.badge.aprobado { color: var(--green); }
.badge.cerrado { color: var(--green); background: rgba(101,122,91,0.18); }
.badge.cancelado { color: var(--red); }
.badge.devuelto { color: #c9a227; }

.order-form { display: grid; gap: 16px; }
.order-form .lines { display: grid; gap: 8px; }
.line-row { display: grid; grid-template-columns: 1fr 90px 90px 36px; gap: 8px; align-items: center; }
.line-row input, .line-row select { width: 100%; }

.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.55);
  display: grid; place-items: center;
  padding: 20px;
  z-index: 100;
}
.modal {
  width: min(760px, 100%);
  max-height: 90vh;
  overflow: auto;
  background: var(--panel);
  border: 1px solid rgba(216,212,200,0.15);
  border-radius: 12px;
  padding: 24px;
}

.error { color: var(--red); font-size: 13px; margin-top: 8px; }
.empty { color: var(--muted); padding: 24px; text-align: center; }

.print-sheet {
  background: #fff;
  color: #151515;
  padding: 28px;
  max-width: 800px;
  margin: 0 auto;
}
.print-sheet h2 { margin: 0 0 6px; }
.print-sheet table { width: 100%; border-collapse: collapse; font-size: 13px; margin-top: 14px; }
.print-sheet th, .print-sheet td { border: 1px solid #ccc; padding: 8px; text-align: left; }
.print-sheet th { background: #f0f0f0; }

.status-toggles { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.status-toggles button.active { outline: 2px solid var(--gold); }