* { box-sizing: border-box; }

body {
  background: #f4f6f9;
  color: #1f2937;
  font-family: Arial, Helvetica, sans-serif;
  margin: 0;
}

a { color: inherit; }
label { display: inline-block; margin-bottom: 7px; }
button, input, select, textarea { font: inherit; }

/* --- Auth (unificado con el resto del suite NClario) --- */

.auth-shell {
  align-items: center;
  background: #f4f6f9;
  display: flex;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
}

.auth-card {
  background: #fff;
  border: 1px solid #dde3ec;
  border-radius: 8px;
  box-shadow: 0 10px 28px rgba(23, 32, 38, 0.08);
  max-width: 400px;
  padding: 24px;
  width: 100%;
}

.auth-brand {
  align-items: center;
  display: flex;
  flex-direction: column;
  gap: 10px;
  justify-content: center;
}

.auth-brand .auth-logo {
  height: 48px;
  width: 48px;
}

.auth-brand .wordmark {
  align-items: center;
  color: #172026;
  display: flex;
  font-size: 22px;
  font-weight: 800;
  gap: 8px;
  letter-spacing: -0.01em;
}

.auth-brand .wordmark .dot { color: #6FAE2E; }

.auth-title { color: #172026; font-size: 24px; font-weight: 600; margin: 16px 0 0; }
.auth-subtitle { color: #64748b; font-size: 14px; margin: 8px 0 24px; }
.auth-card label { color: #475569; font-size: 14px; font-weight: 500; }
.auth-submit { background: #172026; border-color: #172026; width: 100%; }
.auth-submit:hover { filter: brightness(1.1); }

/* --- App shell --- */

.app-shell {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  background: #14201f;
  color: #fff;
  padding: 24px 16px;
}

.sidebar .brand {
  align-items: center;
  display: flex;
  font-size: 19px;
  font-weight: 800;
  gap: 6px;
  margin-bottom: 28px;
}

.sidebar .brand .dot { color: #6FAE2E; }
.sidebar .brand .brand-logo { height: 24px; width: 24px; }

.nav-menu { display: flex; flex-direction: column; gap: 4px; }

.sidebar .nav-link {
  border-radius: 8px;
  color: #a9bab6;
  display: block;
  font-size: 14px;
  font-weight: 500;
  padding: 10px 12px;
  text-decoration: none;
  transition: background 0.15s ease, color 0.15s ease;
}

.sidebar .nav-link:hover { background: #1b2926; color: #fff; }
.sidebar .nav-link.active { background: #00947e; color: #fff; }

.sidebar .user-box {
  border-top: 1px solid rgba(255,255,255,0.1);
  margin-top: 24px;
  padding-top: 16px;
}

.sidebar .user-box .name { font-size: 14px; font-weight: 600; }
.sidebar .user-box .role { color: #718380; font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; }
.sidebar .user-box form { margin-top: 10px; }

.content { padding: 24px 28px 48px; }

.topbar {
  align-items: center;
  display: flex;
  justify-content: space-between;
  margin-bottom: 20px;
}

.topbar h1 { font-size: 24px; margin: 0; }

@media (max-width: 760px) {
  .app-shell { display: block; }

  .sidebar {
    align-items: center;
    display: flex;
    gap: 12px;
    overflow-x: auto;
    padding: 10px 14px;
    -webkit-overflow-scrolling: touch;
  }

  .sidebar .brand { flex-shrink: 0; font-size: 16px; margin-bottom: 0; }

  .nav-menu { flex-direction: row; flex-shrink: 0; gap: 2px; }

  .sidebar .nav-link { padding: 8px 10px; white-space: nowrap; }

  .sidebar .user-box {
    align-items: center;
    border-top: none;
    display: flex;
    flex-shrink: 0;
    gap: 8px;
    margin-left: auto;
    margin-top: 0;
    padding-top: 0;
  }

  .sidebar .user-box .name { font-size: 12px; white-space: nowrap; }
  .sidebar .user-box .role { display: none; }
  .sidebar .user-box form { margin-top: 0; }
  .sidebar .user-box .btn { padding: 6px 10px; }

  .content { padding: 16px; }

  .topbar { align-items: flex-start; flex-direction: column; gap: 12px; }
  .topbar > div { width: 100%; }

  .form-row { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
}

/* --- Buttons / forms --- */

.btn {
  background: #e2e8f0;
  border: 1px solid transparent;
  border-radius: 8px;
  color: #172026;
  cursor: pointer;
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  padding: 10px 16px;
  text-align: center;
  text-decoration: none;
}

.btn-primary { background: #172026; color: #fff; }
.btn-primary:hover { filter: brightness(1.15); }
.btn-accent { background: #00947e; color: #fff; }
.btn-accent:hover { filter: brightness(1.1); }
.btn-danger { background: #fef2ee; color: #c85a28; }
.btn-sm { font-size: 13px; padding: 6px 12px; }
.btn:disabled { cursor: not-allowed; opacity: 0.6; }

.form-group { margin-bottom: 16px; }

.form-control {
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  padding: 10px 12px;
  width: 100%;
}

.form-control:focus { border-color: #00947e; outline: 2px solid rgba(0,148,126,0.25); }

.form-row { display: grid; gap: 16px; grid-template-columns: repeat(2, 1fr); }

/* --- Cards / tables --- */

.card {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  padding: 20px;
}

.stat-grid { display: grid; gap: 16px; grid-template-columns: repeat(4, 1fr); margin-bottom: 24px; }
@media (max-width: 760px) { .stat-grid { grid-template-columns: repeat(2, 1fr); } }
.stat-card { background: #fff; border: 1px solid #e2e8f0; border-radius: 10px; padding: 18px 20px; }
.stat-card .label { color: #64748b; font-size: 12.5px; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; }
.stat-card .value { font-size: 30px; font-weight: 800; margin-top: 6px; font-variant-numeric: tabular-nums; }
.stat-card.warn .value { color: #c85a28; }

table { border-collapse: collapse; width: 100%; }
th, td { border-bottom: 1px solid #e2e8f0; padding: 10px 12px; text-align: left; font-size: 14px; }
thead th { color: #64748b; font-size: 11.5px; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; }
tbody tr:hover { background: #f8fafc; }
.table-wrap { background: #fff; border: 1px solid #e2e8f0; border-radius: 10px; overflow: hidden; overflow-x: auto; }
.table-wrap table { margin: 0; }

.pill { border-radius: 999px; display: inline-block; font-size: 12px; font-weight: 700; padding: 3px 10px; }
.pill-low { background: #fef2ee; color: #c85a28; }
.pill-ok { background: rgba(0,148,126,0.1); color: #00947e; }
.pill-in { background: rgba(0,148,126,0.1); color: #00947e; }
.pill-out { background: #fef2ee; color: #c85a28; }

.alert { border-radius: 8px; font-size: 14px; margin-bottom: 16px; padding: 12px 14px; }
.alert-success { background: rgba(0,148,126,0.1); color: #06201b; }
.alert-danger { background: #fef2ee; color: #8a2f0e; }

.thumb { border-radius: 6px; height: 40px; object-fit: cover; width: 40px; }
.thumb-lg { border-radius: 8px; height: 160px; object-fit: cover; width: 160px; }

.photo-picker { align-items: center; display: flex; gap: 16px; }
.photo-preview {
  align-items: center;
  background: #f8fafc;
  border: 1px dashed #cbd5e1;
  border-radius: 10px;
  display: flex;
  flex-shrink: 0;
  height: 96px;
  justify-content: center;
  overflow: hidden;
  width: 96px;
}
.photo-preview img { height: 100%; object-fit: cover; width: 100%; }
.photo-preview-icon { font-size: 32px; opacity: 0.5; }
.photo-actions { display: flex; flex-direction: column; gap: 8px; }
@media (max-width: 480px) {
  .photo-picker { flex-wrap: wrap; }
}
.muted { color: #64748b; }
.empty-state { color: #64748b; padding: 40px 0; text-align: center; }

/* --- Scanner --- */

.scan-shell {
  display: grid;
  gap: 24px;
  grid-template-columns: 380px minmax(0, 1fr);
}

@media (max-width: 860px) {
  .scan-shell { grid-template-columns: 1fr; }
}

.scan-viewport {
  aspect-ratio: 3/4;
  background: #0d1513;
  border-radius: 12px;
  overflow: hidden;
  position: relative;
}

.scan-viewport video {
  height: 100%;
  object-fit: cover;
  width: 100%;
}

.scan-frame {
  border: 3px solid #2fd9bc;
  border-radius: 10px;
  box-shadow: 0 0 0 999px rgba(0,0,0,0.35);
  height: 34%;
  left: 12%;
  position: absolute;
  top: 33%;
  width: 76%;
}

.scan-status {
  background: rgba(13,21,19,0.85);
  border-radius: 8px;
  bottom: 12px;
  color: #eaf1ee;
  font-size: 13px;
  left: 12px;
  padding: 8px 12px;
  position: absolute;
  right: 12px;
  text-align: center;
}

.scan-result-card {
  align-items: center;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  display: flex;
  gap: 16px;
  padding: 20px;
}

.scan-result-card img { border-radius: 8px; height: 72px; object-fit: cover; width: 72px; }
.scan-actions { display: flex; gap: 10px; margin-top: 16px; }
.scan-actions .btn { flex: 1; }

.pill-warn { background: #fef2ee; color: #c85a28; }

.mode-toggle { display: flex; gap: 6px; }
.mode-btn { background: #e2e8f0; }
.mode-btn.active { background: #172026; color: #fff; }

.lote-type-btn { opacity: 0.5; }
.lote-type-btn.active { opacity: 1; }

/* --- Ayuda --- */

.help-links-grid { display: grid; gap: 10px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

.help-link {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  color: #1f2937;
  display: block;
  padding: 14px 16px;
  text-decoration: none;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.help-link:hover { background: rgba(0,148,126,0.06); border-color: #00947e; }
.help-link strong { display: block; font-size: 14px; }
.help-link span { color: #64748b; display: block; font-size: 12.5px; margin-top: 4px; }

.help-section h2 { font-size: 16px; margin: 0 0 6px; }
.help-section p { color: #475569; font-size: 14px; margin: 0 0 12px; }
.help-section:last-of-type p:last-child, .help-section p:only-child { margin-bottom: 0; }