:root {
  --app-blue: #003366;
  --app-red: #cc0000;
  --app-light: #f4f6f9;
  --app-gray: #6c757d;
  --app-border: #dee2e6;
  --white: #ffffff;
  --text: #212529;
  --success: #28a745;
  --warning: #ffc107;
  --danger: #dc3545;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Segoe UI', Arial, sans-serif;
  background: var(--app-light);
  color: var(--text);
  font-size: 15px;
}

/* ── TOPBAR ── */
.topbar {
  background: var(--app-blue);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 60px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}
/* El selector de idioma va siempre al final (extremo derecho) de su barra. */
#lang-toggle {
  order: 2;
  flex-shrink: 0;
}
.topbar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.5px;
}
.topbar-brand span.badge {
  background: #D4A017;
  color: #0B1F3A;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 600;
  letter-spacing: 1px;
}
.topbar-user {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 14px;
}
.topbar-user a {
  color: rgba(255,255,255,0.75);
  text-decoration: none;
  cursor: pointer;
}
.topbar-user a:hover { color: var(--white); }

/* ── LOGIN ── */
.login-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--app-blue) 0%, #001a33 100%);
}
.login-box {
  background: var(--white);
  border-radius: 12px;
  padding: 48px 40px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.login-logo {
  text-align: center;
  margin-bottom: 32px;
}
.login-logo h1 {
  font-size: 28px;
  color: var(--app-blue);
  font-weight: 800;
}
.login-logo p {
  color: var(--app-gray);
  font-size: 13px;
  margin-top: 4px;
}
.login-logo .red-bar {
  width: 40px;
  height: 4px;
  background: var(--app-red);
  margin: 10px auto 0;
  border-radius: 2px;
}

/* ── FORM ELEMENTS ── */
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--app-blue);
  margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--app-border);
  border-radius: 6px;
  font-size: 14px;
  transition: border-color 0.2s;
  background: var(--white);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--app-blue);
  box-shadow: 0 0 0 3px rgba(0,51,102,0.1);
}
.form-group textarea { resize: vertical; min-height: 80px; }

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
}
.btn-primary { background: var(--app-blue); color: var(--white); }
.btn-primary:hover { background: #004080; }
.btn-danger { background: var(--app-red); color: var(--white); }
.btn-danger:hover { background: #a30000; }
.btn-success { background: var(--success); color: var(--white); }
.btn-success:hover { background: #1e7e34; }
.btn-secondary { background: var(--app-gray); color: var(--white); }
.btn-secondary:hover { background: #545b62; }
.btn-outline {
  background: transparent;
  color: var(--app-blue);
  border: 2px solid var(--app-blue);
}
.btn-outline:hover { background: var(--app-blue); color: var(--white); }
.btn-full { width: 100%; justify-content: center; }
.btn-sm { padding: 6px 12px; font-size: 13px; }

/* ── MAIN LAYOUT ── */
.main-content {
  max-width: 1100px;
  margin: 0 auto;
  padding: 32px 24px;
}

/* ── PAGE HEADER ── */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}
.page-header h2 {
  font-size: 22px;
  color: var(--app-blue);
  font-weight: 700;
}
.page-header p {
  color: var(--app-gray);
  font-size: 13px;
  margin-top: 2px;
}

/* ── CARDS ── */
.card {
  background: var(--white);
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.07);
  padding: 24px;
  margin-bottom: 24px;
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--app-light);
}
.card-header h3 {
  font-size: 16px;
  color: var(--app-blue);
  font-weight: 700;
}

/* ── STATS ── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}
.stat-card {
  background: var(--white);
  border-radius: 10px;
  padding: 20px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.07);
  border-left: 4px solid var(--app-blue);
}
.stat-card.red { border-left-color: var(--app-red); }
.stat-card.green { border-left-color: var(--success); }
.stat-card.yellow { border-left-color: var(--warning); }
.stat-card .stat-number {
  font-size: 32px;
  font-weight: 800;
  color: var(--app-blue);
}
.stat-card .stat-label {
  font-size: 12px;
  color: var(--app-gray);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ── TABLE ── */
.table-responsive { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
thead th {
  background: var(--app-blue);
  color: var(--white);
  padding: 12px 16px;
  text-align: left;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
tbody td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--app-border);
  vertical-align: middle;
}
tbody tr:hover { background: #f8f9fa; }
tbody tr:last-child td { border-bottom: none; }

/* ── BADGES ── */
.status-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}
.status-borrador { background: #e9ecef; color: #495057; }
.status-pendiente_firma { background: #fff3cd; color: #856404; }
.status-completado { background: #d4edda; color: #155724; }

/* ── PASO ATS ── */
.paso-card {
  border: 1px solid var(--app-border);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 12px;
  background: #fafbfc;
}
.paso-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.paso-num {
  background: var(--app-blue);
  color: var(--white);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
}
.paso-title { font-weight: 600; color: var(--app-blue); font-size: 14px; }

.tags-container {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}
.tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.15s;
  position: relative;
}
.tag-peligro { background: #ffeaea; color: var(--danger); border-color: #f5c6cb; }
.tag-peligro.selected { background: var(--danger); color: var(--white); }
.tag-mitigacion { background: #e8f4fd; color: var(--app-blue); border-color: #b8d9f5; }
.tag-mitigacion.selected { background: var(--app-blue); color: var(--white); }

/* ── TOOLTIP TAGS ── */
.tag[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%);
  background: #1a1a2e;
  color: #fff;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  line-height: 1.5;
  white-space: normal;
  width: max-content;
  max-width: 320px;
  min-width: 180px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.25);
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s, visibility 0.2s;
  z-index: 999;
  text-align: left;
}
.tag[data-tooltip]::before {
  content: '';
  position: absolute;
  bottom: calc(100% + 4px);
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: #1a1a2e;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s, visibility 0.2s;
  z-index: 999;
}
.tag[data-tooltip]:hover::after,
.tag[data-tooltip]:hover::before {
  opacity: 1;
  visibility: visible;
}

/* ── EPP GRID ── */
.epp-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 10px;
}
.epp-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border: 1px solid var(--app-border);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s;
  background: var(--white);
  font-size: 13px;
}
.epp-item:hover { border-color: var(--app-blue); }
.epp-item.selected {
  border-color: var(--app-blue);
  background: #e8eef5;
  font-weight: 600;
}
.epp-item input[type="checkbox"] { accent-color: var(--app-blue); }

/* ── FIRMAS ── */
.firma-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr auto;
  gap: 10px;
  align-items: end;
  padding: 12px 0;
  border-bottom: 1px solid var(--app-border);
}
.firma-row:last-child { border-bottom: none; }

/* ── ALERTS ── */
.alert {
  padding: 12px 16px;
  border-radius: 6px;
  font-size: 14px;
  margin-bottom: 16px;
}
.alert-error { background: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }
.alert-success { background: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
.alert-info { background: #d1ecf1; color: #0c5460; border: 1px solid #bee5eb; }

/* ── EMPTY STATE ── */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--app-gray);
}
.empty-state svg { margin-bottom: 16px; opacity: 0.4; }
.empty-state h3 { font-size: 18px; margin-bottom: 8px; }
.empty-state p { font-size: 14px; }

/* ── LOADING ── */
.loading {
  text-align: center;
  padding: 40px;
  color: var(--app-gray);
  font-size: 14px;
}

/* ── DIVIDER ── */
.section-divider {
  border: none;
  border-top: 2px solid var(--app-light);
  margin: 28px 0;
}

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .main-content { padding: 16px; }
  .page-header { flex-direction: column; align-items: flex-start; gap: 12px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .firma-row { grid-template-columns: 1fr 1fr; }
  table { font-size: 13px; }
  thead th, tbody td { padding: 10px 12px; }
}

/* Logo de Safirium */
.marca-logo { height: 34px; width: auto; flex-shrink: 0; display: block; }
.marca-logo-lg { height: 64px; margin: 0 auto 14px; }
.marca-logo-xl { height: 84px; margin: 0 auto 18px; }
.marca-titulo { display: flex; align-items: center; gap: 10px; }
.marca-titulo .marca-logo { height: 30px; }