:root {
  --color-primario: #1B5E20;
  --color-acento: #FFC107;
  --color-text: #1f2933;
  --color-muted: #607080;
  --color-bg: #f7f9f7;
  --color-surface: #ffffff;
  --color-border: #e5e9e5;
  --color-danger: #c0392b;
  --color-internal: #6a4c93;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(0,0,0,.06), 0 4px 12px rgba(0,0,0,.04);
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.55;
}

a { color: var(--color-primario); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ─── Topbar ─── */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 28px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand .logo { height: 36px; max-width: 200px; object-fit: contain; }
.brand .logo-text {
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -.01em;
  color: var(--color-primario);
}
.topbar nav {
  display: flex;
  gap: 18px;
  align-items: center;
  flex-wrap: wrap;
  font-size: 14px;
}
.topbar nav a { color: var(--color-text); }
.topbar nav a.active { color: var(--color-primario); font-weight: 600; }
.topbar nav a.muted { color: var(--color-muted); }
.topbar nav a.admin-link {
  background: var(--color-primario);
  color: #fff;
  padding: 4px 12px;
  border-radius: 16px;
  font-size: 12px;
}
.topbar nav a.admin-link:hover { text-decoration: none; opacity: .9; }

main { max-width: 1180px; margin: 0 auto; padding: 36px 28px 64px; }

/* ─── Hero (apex) ─── */
.hero {
  padding: 64px 32px;
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: center;
}
.hero h1 {
  font-size: clamp(28px, 4vw, 44px);
  margin: 0 0 12px;
  color: var(--color-primario);
}
.hero .lead { font-size: 19px; margin: 0 0 6px; }
.hero .lead-sub { color: var(--color-muted); margin: 0 0 28px; }
.cta {
  display: inline-block;
  background: var(--color-primario);
  color: white;
  padding: 12px 24px;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 600;
  border: none;
  cursor: pointer;
  font-size: 15px;
  transition: transform .12s ease, opacity .12s ease;
}
.cta:hover { transform: translateY(-1px); text-decoration: none; opacity: .95; }

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
  margin-top: 28px;
}
.features article {
  background: var(--color-surface);
  padding: 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.features h3 { margin-top: 0; color: var(--color-primario); font-size: 18px; }
.features p { color: var(--color-muted); margin: 0; }

/* ─── Welcome / home logged-in ─── */
.welcome { margin-bottom: 28px; }
.welcome h1 { color: var(--color-primario); margin: 0 0 4px; }
.welcome .lead { color: var(--color-muted); margin: 0; }
.badge-internal {
  display: inline-block;
  background: var(--color-internal);
  color: white;
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 12px;
  margin-top: 10px;
  letter-spacing: .02em;
}

.modules-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}
.module-card {
  background: var(--color-surface);
  padding: 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: block;
  color: var(--color-text);
  transition: transform .12s ease, box-shadow .12s ease;
}
.module-card:hover {
  transform: translateY(-2px);
  text-decoration: none;
  box-shadow: 0 2px 6px rgba(0,0,0,.08), 0 8px 20px rgba(0,0,0,.06);
}
.module-card h3 { margin: 0 0 6px; color: var(--color-primario); font-size: 18px; }
.module-card p { margin: 0; color: var(--color-muted); font-size: 14px; }
.module-card.module-internal { border: 1px dashed var(--color-internal); background: rgba(106,76,147,.04); }
.module-card.module-internal h3 { color: var(--color-internal); }

/* ─── Multi-column grids for charts ─── */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 18px;
}
.grid-2 .chart-wrap, .grid-3 .chart-wrap { padding: 18px; }
.chart-title { margin: 0 0 12px; font-size: 14px; color: var(--color-muted); text-transform: uppercase; letter-spacing: .04em; }

@media (max-width: 1100px) {
  .grid-3 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 920px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

/* ─── Filter bar ─── */
.filter-bar {
  display: flex;
  gap: 18px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 18px;
  padding: 14px 18px;
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.filter-bar label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--color-muted);
}
.filter-bar select {
  padding: 6px 10px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-size: 14px;
}

/* ─── Page header ─── */
.page-header { margin-bottom: 24px; }
.page-header h1 { color: var(--color-primario); margin: 0 0 4px; }
.page-header p { margin: 0; }

/* ─── KPIs ─── */
.kpi-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}
.kpi {
  background: var(--color-surface);
  padding: 18px 20px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.kpi-label { font-size: 12px; color: var(--color-muted); text-transform: uppercase; letter-spacing: .05em; }
.kpi-val { font-size: 24px; font-weight: 700; color: var(--color-primario); }

/* ─── Internal-only block ─── */
.internal-block {
  background: rgba(106, 76, 147, .06);
  border-left: 3px solid var(--color-internal);
  padding: 16px 20px;
  border-radius: var(--radius);
  margin-bottom: 24px;
}
.internal-block h3 { margin: 0 0 4px; color: var(--color-internal); font-size: 16px; }

/* ─── Chart ─── */
.chart-wrap {
  background: var(--color-surface);
  padding: 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  position: relative;
  height: 380px;
}

/* ─── Auth card ─── */
.auth-card {
  max-width: 420px;
  margin: 32px auto;
  background: var(--color-surface);
  padding: 32px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.auth-card h1 { margin: 0 0 8px; color: var(--color-primario); }
.auth-card .form { margin-top: 20px; display: flex; flex-direction: column; gap: 14px; }
.auth-card label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--color-muted); }
.auth-card input {
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-size: 15px;
}
.auth-card input:focus { outline: 2px solid var(--color-primario); outline-offset: -1px; }
.auth-card button.cta { margin-top: 6px; }
.alert {
  background: rgba(192, 57, 43, .08);
  border-left: 3px solid var(--color-danger);
  padding: 10px 14px;
  border-radius: 6px;
  color: var(--color-danger);
  font-size: 14px;
  margin: 12px 0;
}

/* ─── Placeholder ─── */
.placeholder {
  background: var(--color-surface);
  padding: 48px 32px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.placeholder h1 { color: var(--color-primario); margin-top: 0; }
.placeholder ul { margin: 16px 0 0 18px; color: var(--color-muted); }

/* ─── Admin ─── */
.admin-section {
  background: var(--color-surface);
  padding: 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 18px;
}
.admin-section h2 { margin-top: 0; color: var(--color-primario); }

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.data-table th, .data-table td {
  padding: 8px 10px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}
.data-table th { background: rgba(0,0,0,.02); color: var(--color-muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .03em; }
.data-table code { font-size: 13px; color: var(--color-primario); }

.form-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: flex-end;
  margin-top: 12px;
}
.form-inline label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--color-muted); }
.form-inline input, .form-inline select {
  padding: 8px 10px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-size: 14px;
  min-width: 160px;
}
.form-inline input[type="color"] { padding: 2px; min-width: 50px; height: 36px; }
.form-inline input[type="file"] { min-width: 240px; }

.branding-preview {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.color-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 14px;
  border-radius: 8px;
  color: white;
  font-size: 12px;
  font-family: monospace;
  min-width: 100px;
}

.link-btn {
  background: none;
  border: none;
  color: var(--color-danger);
  cursor: pointer;
  padding: 0;
  font-size: 14px;
}
.link-btn:hover { text-decoration: underline; }

/* ─── Misc ─── */
.muted { color: var(--color-muted); }
.small { font-size: 13px; }

.footer {
  text-align: center;
  padding: 28px 28px 36px;
  color: var(--color-muted);
  font-size: 13px;
  border-top: 1px solid var(--color-border);
  margin-top: 32px;
}

@media (max-width: 720px) {
  .topbar { flex-direction: column; align-items: flex-start; gap: 10px; }
  main { padding: 20px 16px 40px; }
  .hero { padding: 36px 20px; }
}