:root {
  --bg: #f3f4f6;
  --panel: #ffffff;
  --sidebar-bg: #e8ebf0;
  --text: #1f2937;
  --muted: #6b7280;
  --border: #d8dde6;
  --accent: #4f46e5;
  --success: #166534;
  --success-bg: #dcfce7;
  --danger: #b91c1c;
  --danger-bg: #fee2e2;
  --shadow: 0 4px 14px rgba(15, 23, 42, 0.05);
  --radius: 14px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, Arial, sans-serif;
}

.app-shell {
  display: grid;
  grid-template-columns: 272px minmax(0, 1fr);
  gap: 14px;
  max-width: 1940px;
  margin: 0 auto;
  padding: 14px;
  min-height: 100vh;
}

.sidebar,
.panel,
.card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.sidebar {
  background: var(--sidebar-bg);
  padding: 16px;
  align-self: start;
  position: sticky;
  top: 14px;
}

.sidebar__logo {
  display: block;
  width: 100%;
  max-width: 220px;
  height: auto;
  margin: 0 0 12px;
  border-radius: 10px;
}

.sidebar__brand h1 {
  margin: 0 0 6px;
  font-size: 2rem;
  line-height: 1.02;
}

.sidebar__brand p {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 0.92rem;
}

.sidebar__meta {
  margin-bottom: 16px;
  padding: 12px;
  border-radius: 12px;
  background: rgba(255,255,255,0.65);
  border: 1px solid var(--border);
}

.meta-label {
  display: block;
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 6px;
}

#data-referencia {
  font-size: 1.9rem;
  font-weight: 700;
}

.sidebar__section {
  margin-bottom: 14px;
  padding: 12px;
  border-radius: 12px;
  background: rgba(255,255,255,0.62);
  border: 1px solid var(--border);
}

.sidebar__section-title {
  margin: 0 0 10px;
  font-size: 0.95rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 10px;
}

.field:last-child {
  margin-bottom: 0;
}

.field label {
  font-size: 0.78rem;
  color: var(--muted);
  font-weight: 600;
}

.field select,
.mini-select {
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--border);
  padding: 0 10px;
  font-size: 0.92rem;
  background: #fff;
}

.sidebar__section--actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sidebar__action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 10px 12px;
  text-decoration: none;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 700;
  transition: opacity 0.2s ease;
}

.sidebar__action:hover {
  opacity: 0.92;
}

.sidebar__action--ghost {
  background: #ffffff;
  color: var(--text);
  border: 1px solid var(--border);
}

.sidebar__action--primary {
  background: var(--accent);
  color: #ffffff;
  border: 1px solid var(--accent);
}

.sidebar__action--whatsapp {
  background: #25d366;
  color: #ffffff;
  border: 1px solid #25d366;
}

.sidebar__hint {
  margin-top: 8px;
  font-size: 0.84rem;
  color: var(--muted);
}

.content {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.metric-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.metric-group__header h2 {
  margin: 0;
  font-size: 0.96rem;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.card {
  background: var(--panel);
  padding: 10px 12px;
  min-height: 98px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.card__label {
  font-size: 0.76rem;
  color: var(--muted);
  font-weight: 600;
  margin-bottom: 6px;
}

.card__value-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.card__value {
  font-size: 1.95rem;
  line-height: 1;
  font-weight: 700;
}

.card__unit-inline {
  font-size: 0.92rem;
  color: var(--muted);
  font-weight: 600;
}

.card__delta {
  margin-top: 8px;
  align-self: flex-start;
  font-size: 0.76rem;
  font-weight: 700;
  border-radius: 999px;
  padding: 4px 8px;
}

.card__delta--up {
  color: var(--success);
  background: var(--success-bg);
}

.card__delta--down {
  color: var(--danger);
  background: var(--danger-bg);
}

.card__delta--neutral {
  color: var(--muted);
  background: #f3f4f6;
}

.history-layout {
  display: grid;
  grid-template-columns: 2.05fr 1.22fr;
  gap: 12px;
}

.history-side {
  display: grid;
  grid-template-rows: 1fr 1fr;
  gap: 12px;
}

.analysis-layout {
  display: grid;
  grid-template-columns: 1.14fr 1.3fr;
  gap: 12px;
}

.panel {
  background: var(--panel);
  padding: 12px;
  min-width: 0;
}

.panel__toolbar {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 8px;
}

.chart-box {
  width: 100%;
}

.chart-box--lg {
  min-height: 430px;
}

.chart-box--md {
  min-height: 410px;
}

.chart-box--sm {
  min-height: 250px;
}

.table-box {
  min-height: 410px;
  overflow: hidden;
}

.skeleton-card {
  background: linear-gradient(90deg, #f3f4f6 25%, #e5e7eb 50%, #f3f4f6 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite linear;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

@media (max-width: 1320px) {
  .app-shell {
    grid-template-columns: 258px minmax(0, 1fr);
    max-width: 1760px;
  }
}

@media (max-width: 1220px) {
  .analysis-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1100px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
  }

  .cards-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .history-layout,
  .analysis-layout {
    grid-template-columns: 1fr;
  }

  .history-side {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
  }
}

@media (max-width: 720px) {
  .app-shell {
    padding: 10px;
    gap: 10px;
  }

  .sidebar {
    padding: 12px;
  }

  .sidebar__brand h1 {
    font-size: 1.7rem;
  }

  .cards-grid {
    grid-template-columns: 1fr 1fr;
  }

  .history-side {
    grid-template-columns: 1fr;
  }

  .chart-box--lg {
    min-height: 320px;
  }

  .chart-box--md {
    min-height: 300px;
  }

  .chart-box--sm,
  .table-box {
    min-height: 260px;
  }
}

@media (max-width: 520px) {
  .cards-grid {
    grid-template-columns: 1fr;
  }
}


.cards-top-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.metric-group--inline {
  background: transparent;
  border: 0;
  box-shadow: none;
  padding: 0;
}

.cards-grid--triple {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

@media (max-width: 1220px) {
  .cards-top-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .cards-grid--triple {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 520px) {
  .cards-grid--triple {
    grid-template-columns: 1fr;
  }
}

.sidebar__action--download {
  background: #4b5563;
  color: #ffffff;
  border: none;
  cursor: pointer;
  font: inherit;
}

.sidebar__action--download:hover {
  opacity: 0.92;
}