:root {
  --kw-green: #6DBE45;
  --kw-green-dark: #5aa836;
  --kw-dark: #1a1a2e;
  --kw-gray: #f8f9fa;
  --kw-white: #ffffff;
  --kw-border: #e2e8f0;
  --kw-text: #2d3748;
  --kw-text-muted: #718096;
  --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);

  /* Semantic surface variables (previously hardcoded) */
  --kw-surface: #ffffff;
  --kw-track: #edf2f7;
  --kw-hover: #f7fafc;
  --kw-row-border: #f0f4f8;

  /* Badge backgrounds and foregrounds */
  --badge-nuevo-bg: #ebf8ff;        --badge-nuevo-fg: #2b6cb0;
  --badge-contactado-bg: #fefcbf;   --badge-contactado-fg: #744210;
  --badge-calificado-bg: #fffaf0;   --badge-calificado-fg: #c05621;
  --badge-convertido-bg: #f0fff4;   --badge-convertido-fg: #276749;
  --badge-perdido-bg: #fff5f5;      --badge-perdido-fg: #c53030;
  --badge-borrador-bg: #edf2f7;     --badge-borrador-fg: #4a5568;
  --badge-activa-bg: #f0fff4;       --badge-activa-fg: #276749;
  --badge-pausada-bg: #fefcbf;      --badge-pausada-fg: #744210;
  --badge-completada-bg: #ebf8ff;   --badge-completada-fg: #2b6cb0;
  --badge-exitoso-bg: #f0fff4;      --badge-exitoso-fg: #276749;
  --badge-sin_respuesta-bg: #edf2f7; --badge-sin_respuesta-fg: #4a5568;
  --badge-no_interesado-bg: #fff5f5; --badge-no_interesado-fg: #c53030;
  --badge-reprogramado-bg: #fefcbf;  --badge-reprogramado-fg: #744210;
  --badge-email-bg: #ebf8ff;        --badge-email-fg: #2b6cb0;
  --badge-sms-bg: #f0fff4;          --badge-sms-fg: #276749;
  --badge-redes_sociales-bg: #faf5ff; --badge-redes_sociales-fg: #6b46c1;
  --badge-evento-bg: #fffaf0;       --badge-evento-fg: #c05621;
}

[data-theme="dark"] {
  --kw-green: #7cd654;
  --kw-green-dark: #6DBE45;
  --kw-dark: #e2e8f0;
  --kw-gray: #0f0f1a;
  --kw-white: #1a1a2e;
  --kw-border: #2d2d44;
  --kw-text: #e2e8f0;
  --kw-text-muted: #a0aec0;
  --shadow: 0 1px 3px rgba(0,0,0,0.4), 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.4), 0 2px 4px rgba(0,0,0,0.3);

  --kw-surface: #1a1a2e;
  --kw-track: #2d2d44;
  --kw-hover: #252540;
  --kw-row-border: #2d2d44;

  --badge-nuevo-bg: #1a365d;        --badge-nuevo-fg: #90cdf4;
  --badge-contactado-bg: #5f4b1d;   --badge-contactado-fg: #fefcbf;
  --badge-calificado-bg: #5c3a1e;   --badge-calificado-fg: #fbd38d;
  --badge-convertido-bg: #1a3a2a;   --badge-convertido-fg: #9ae6b4;
  --badge-perdido-bg: #4a1d1d;      --badge-perdido-fg: #feb2b2;
  --badge-borrador-bg: #2d2d44;     --badge-borrador-fg: #a0aec0;
  --badge-activa-bg: #1a3a2a;       --badge-activa-fg: #9ae6b4;
  --badge-pausada-bg: #5f4b1d;      --badge-pausada-fg: #fefcbf;
  --badge-completada-bg: #1a365d;   --badge-completada-fg: #90cdf4;
  --badge-exitoso-bg: #1a3a2a;      --badge-exitoso-fg: #9ae6b4;
  --badge-sin_respuesta-bg: #2d2d44; --badge-sin_respuesta-fg: #a0aec0;
  --badge-no_interesado-bg: #4a1d1d; --badge-no_interesado-fg: #feb2b2;
  --badge-reprogramado-bg: #5f4b1d;  --badge-reprogramado-fg: #fefcbf;
  --badge-email-bg: #1a365d;        --badge-email-fg: #90cdf4;
  --badge-sms-bg: #1a3a2a;          --badge-sms-fg: #9ae6b4;
  --badge-redes_sociales-bg: #322659; --badge-redes_sociales-fg: #d6bcfa;
  --badge-evento-bg: #5c3a1e;       --badge-evento-fg: #fbd38d;
}

[data-theme="dark"] .nav {
  background: #12121f;
  box-shadow: 0 2px 8px rgba(0,0,0,0.5);
}

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

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.6;
  color: var(--kw-text);
  background: var(--kw-gray);
  transition: background-color 0.3s ease, color 0.3s ease;
}

a { color: var(--kw-green); text-decoration: none; }
a:hover { color: var(--kw-green-dark); text-decoration: underline; }

/* ── Navigation ── */
.nav {
  background: var(--kw-dark);
  color: var(--kw-white);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  align-items: center;
  height: 56px;
  gap: 2rem;
}

.nav-brand {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--kw-white);
  white-space: nowrap;
  letter-spacing: -0.01em;
}
.nav-brand:hover { color: var(--kw-green); text-decoration: none; }

.nav-links {
  display: flex;
  list-style: none;
  gap: 0.25rem;
  flex: 1;
}

.nav-links a {
  color: rgba(255,255,255,0.75);
  padding: 0.4rem 0.75rem;
  border-radius: 4px;
  font-size: 0.9rem;
  transition: color 0.15s, background 0.15s;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--kw-white);
  background: rgba(109,190,69,0.2);
  text-decoration: none;
}
.nav-links a.active {
  color: var(--kw-green);
  font-weight: 600;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--kw-white);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  margin-left: auto;
}

.theme-toggle {
  background: none;
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--kw-white);
  font-size: 1.1rem;
  cursor: pointer;
  padding: 0.3rem 0.5rem;
  border-radius: 6px;
  line-height: 1;
  transition: background 0.15s;
  margin-left: auto;
  flex-shrink: 0;
}
.theme-toggle:hover {
  background: rgba(255,255,255,0.1);
}

/* ── Container ── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem 1rem;
}

/* ── Page header ── */
.page-header {
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--kw-border);
}
.page-header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--kw-dark);
}
.page-header p {
  color: var(--kw-text-muted);
  margin-top: 0.25rem;
  font-size: 0.9rem;
}

/* ── KPI Grid ── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.kpi-card {
  background: var(--kw-white);
  border-radius: 8px;
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow);
  border-left: 4px solid var(--kw-green);
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}
.kpi-card .kpi-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--kw-dark);
  line-height: 1;
}
.kpi-card .kpi-label {
  font-size: 0.8rem;
  color: var(--kw-text-muted);
  margin-top: 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.kpi-card.accent-yellow { border-left-color: #f6ad55; }
.kpi-card.accent-blue   { border-left-color: #4299e1; }
.kpi-card.accent-purple { border-left-color: #9f7aea; }

/* ── Charts Grid ── */
.charts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.chart-card {
  background: var(--kw-white);
  border-radius: 8px;
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow);
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}
.chart-card h3 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--kw-dark);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.chart-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.6rem;
}
.chart-row:last-child { margin-bottom: 0; }
.chart-label {
  width: 110px;
  font-size: 0.82rem;
  color: var(--kw-text);
  flex-shrink: 0;
  text-align: right;
  padding-right: 0.5rem;
}
.chart-track {
  flex: 1;
  background: var(--kw-track);
  border-radius: 4px;
  height: 20px;
  position: relative;
  overflow: hidden;
}
.chart-bar {
  height: 100%;
  background: var(--kw-green);
  border-radius: 4px;
  min-width: 4px;
  transition: width 0.3s ease;
}
.chart-bar.accent-blue   { background: #4299e1; }
.chart-bar.accent-orange { background: #ed8936; }
.chart-bar.accent-purple { background: #9f7aea; }
.chart-bar.accent-red    { background: #fc8181; }
.chart-count {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--kw-text-muted);
  width: 30px;
  text-align: right;
  flex-shrink: 0;
}

/* ── Quick Links ── */
.quick-links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.quick-link-card {
  background: var(--kw-white);
  border-radius: 8px;
  padding: 1.25rem;
  box-shadow: var(--shadow);
  text-align: center;
  color: var(--kw-text);
  transition: box-shadow 0.15s, transform 0.15s, background-color 0.3s ease;
  display: block;
  border: 1px solid var(--kw-border);
}
.quick-link-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
  text-decoration: none;
  color: var(--kw-text);
}
.quick-link-card .ql-icon { font-size: 2rem; margin-bottom: 0.5rem; }
.quick-link-card .ql-title { font-weight: 600; font-size: 0.9rem; }
.quick-link-card .ql-desc  { font-size: 0.78rem; color: var(--kw-text-muted); margin-top: 0.25rem; }

/* ── Data Table ── */
.table-card {
  background: var(--kw-white);
  border-radius: 8px;
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.table-header {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--kw-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.table-header h2 { font-size: 1rem; font-weight: 600; }
.table-meta { font-size: 0.82rem; color: var(--kw-text-muted); }

.table-wrapper { overflow-x: auto; }

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}
.data-table thead th {
  background: var(--kw-hover);
  padding: 0.75rem 1rem;
  text-align: left;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--kw-text-muted);
  border-bottom: 1px solid var(--kw-border);
  white-space: nowrap;
}
.data-table tbody td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--kw-row-border);
  vertical-align: middle;
}
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover td { background: var(--kw-hover); }

/* ── Badges ── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.6rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}

/* Lead estados */
.badge-nuevo        { background: var(--badge-nuevo-bg);      color: var(--badge-nuevo-fg); }
.badge-contactado   { background: var(--badge-contactado-bg); color: var(--badge-contactado-fg); }
.badge-calificado   { background: var(--badge-calificado-bg); color: var(--badge-calificado-fg); }
.badge-convertido   { background: var(--badge-convertido-bg); color: var(--badge-convertido-fg); }
.badge-perdido      { background: var(--badge-perdido-bg);    color: var(--badge-perdido-fg); }

/* Campaña estados */
.badge-borrador    { background: var(--badge-borrador-bg);   color: var(--badge-borrador-fg); }
.badge-activa      { background: var(--badge-activa-bg);     color: var(--badge-activa-fg); }
.badge-pausada     { background: var(--badge-pausada-bg);    color: var(--badge-pausada-fg); }
.badge-completada  { background: var(--badge-completada-bg); color: var(--badge-completada-fg); }

/* Contacto resultados */
.badge-exitoso        { background: var(--badge-exitoso-bg);       color: var(--badge-exitoso-fg); }
.badge-sin_respuesta  { background: var(--badge-sin_respuesta-bg); color: var(--badge-sin_respuesta-fg); }
.badge-no_interesado  { background: var(--badge-no_interesado-bg); color: var(--badge-no_interesado-fg); }
.badge-reprogramado   { background: var(--badge-reprogramado-bg);  color: var(--badge-reprogramado-fg); }

/* Campaña tipos */
.badge-email          { background: var(--badge-email-bg);          color: var(--badge-email-fg); }
.badge-sms            { background: var(--badge-sms-bg);            color: var(--badge-sms-fg); }
.badge-redes_sociales { background: var(--badge-redes_sociales-bg); color: var(--badge-redes_sociales-fg); }
.badge-evento         { background: var(--badge-evento-bg);         color: var(--badge-evento-fg); }

/* ── Category Cards ── */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.cat-card {
  background: var(--kw-white);
  border-radius: 8px;
  padding: 1.25rem;
  box-shadow: var(--shadow);
  text-align: center;
  border-top: 3px solid var(--kw-green);
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}
.cat-card .cat-icon  { font-size: 2.5rem; margin-bottom: 0.5rem; }
.cat-card .cat-name  { font-weight: 700; font-size: 1rem; color: var(--kw-dark); }
.cat-card .cat-stat  { font-size: 0.82rem; color: var(--kw-text-muted); margin-top: 0.25rem; }
.cat-card .cat-views { font-size: 1.5rem; font-weight: 800; color: var(--kw-green); margin: 0.25rem 0; }

/* ── Horizontal bar chart (categorias) ── */
.cat-chart {
  background: var(--kw-white);
  border-radius: 8px;
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow);
  margin-bottom: 1.5rem;
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}
.cat-chart h2 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
}
.cat-chart-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}
.cat-chart-row:last-child { margin-bottom: 0; }
.cat-chart-label {
  width: 120px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--kw-text);
  flex-shrink: 0;
  text-align: right;
}
.cat-chart-track {
  flex: 1;
  background: var(--kw-track);
  border-radius: 6px;
  height: 28px;
  position: relative;
  overflow: hidden;
}
.cat-chart-fill {
  height: 100%;
  background: var(--kw-green);
  border-radius: 6px;
  display: flex;
  align-items: center;
  padding-right: 0.5rem;
  justify-content: flex-end;
}
.cat-chart-val {
  font-size: 0.78rem;
  font-weight: 700;
  color: white;
}
.cat-chart-count {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--kw-text-muted);
  width: 50px;
  text-align: right;
  flex-shrink: 0;
}

/* ── Responsive ── */
@media (max-width: 1024px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .charts-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .quick-links { grid-template-columns: repeat(2, 1fr); }
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .nav.open .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    background: var(--kw-dark);
    padding: 0.5rem;
    border-top: 1px solid rgba(255,255,255,0.1);
  }
  .nav { position: relative; }
  .chart-label { width: 80px; font-size: 0.75rem; }
  .theme-toggle { margin-left: 0; }
}

@media (max-width: 480px) {
  .kpi-grid { grid-template-columns: 1fr; }
  .quick-links { grid-template-columns: 1fr; }
  .cat-grid { grid-template-columns: 1fr; }
  .kpi-card .kpi-value { font-size: 1.5rem; }
}