/* Second Day — Estilos de la interfaz */

:root {
  --cyan: #0d9488;
  --purple: #5b4a9e;
  --purple-light: #7c6bb8;
  --purple-soft: #e8e4f3;
  --bg-page: #47368C;
  --bg-sidebar: #ffffff;
  --bg-card: #ffffff;
  --bg-input: #f8f9fa;
  --border: rgba(0, 0, 0, 0.1);
  --border-accent: rgba(13, 148, 136, 0.35);
  --text: #1a1a2e;
  --text-muted: #6b7280;
  --accent: var(--cyan);
  --accent-hover: #0f766e;
  --ok: #16a34a;
  --warning: #ca8a04;
  --critical: #dc2626;
  --font-title: 'Montserrat', system-ui, sans-serif;
  --font-body: 'Comfortaa', system-ui, sans-serif;
  --radius: 10px;
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--bg-page);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

.app {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  position: fixed;
  left: 0;
  top: 0;
  height: 100vh;
  width: 240px;
  min-width: 240px;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.06);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.sidebar-brand {
  padding: 1.5rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.brand-icon {
  font-size: 1.5rem;
  color: var(--accent);
}

.brand-name {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  color: var(--text);
}

.sidebar-nav {
  flex: 1;
  padding: 0.75rem 0;
}

.sidebar-project-wrap {
  padding: 0 1.25rem 1rem;
  margin-bottom: 0.25rem;
  border-bottom: 1px solid var(--border);
}

.sidebar-project-label {
  display: block;
  font-family: var(--font-title);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

.sidebar-project-select {
  width: 100%;
  padding: 0.5rem 0.65rem;
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--text);
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.sidebar-project-select:hover,
.sidebar-project-select:focus {
  border-color: var(--border-accent);
  outline: none;
  box-shadow: 0 0 0 2px rgba(13, 148, 136, 0.15);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 1.25rem;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.15s, background 0.15s;
}

.nav-item:hover {
  color: var(--text);
  background: var(--purple-soft);
}

.nav-item.active {
  color: var(--accent);
  background: rgba(13, 148, 136, 0.1);
  border-right: 3px solid var(--accent);
}

.nav-icon {
  font-size: 1rem;
  opacity: 0.9;
}

.sidebar-footer {
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.sidebar-footer-divider {
  border-top: 1px solid var(--border);
  padding-top: 0.75rem;
  margin-top: 0.5rem;
}

.sidebar-logout {
  font-size: 0.85rem;
  color: var(--accent);
  text-decoration: none;
}

.sidebar-logout:hover {
  text-decoration: underline;
}

.cluster-badge {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Main content */
.main {
  flex: 1;
  margin-left: 240px;
  min-height: 100vh;
  overflow-x: hidden;
  overflow-y: auto;
  padding: 2rem 2.5rem;
}

.view {
  display: none;
  max-width: 1100px;
}

/* Health Check y Panel AI: ocupan todo el ancho para usar toda la pantalla */
#view-dashboard.view-active,
#view-panel-ai.view-active {
  max-width: none;
  width: 100%;
}

.view.view-active {
  display: block;
}

.view-header {
  margin-bottom: 1.75rem;
}

.view-header h1 {
  font-family: var(--font-title);
  margin: 0 0 0.35rem 0;
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #fff;
}

.view-header-healthcheck h1 {
  margin-bottom: 0;
}

.view-header p {
  margin: 0;
  color: #fff;
  font-size: 0.95rem;
}

/* Upload (Carga) */
.upload-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow);
}

.upload-form .upload-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.upload-form .upload-row-single {
  grid-template-columns: 1fr;
}

.upload-form .upload-row-single .upload-field {
  max-width: 420px;
}

.upload-field label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--text);
}

.file-input-wrap {
  position: relative;
  display: block;
}

.file-input-wrap input[type="file"] {
  position: absolute;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
  font-size: 0;
}

.file-input-wrap .file-name {
  display: block;
  padding: 0.75rem 1rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: border-color 0.15s, color 0.15s;
}


.file-input-wrap input:focus + .file-name,
.file-input-wrap:hover .file-name {
  border-color: var(--accent);
  color: var(--text);
}

.file-input-wrap .file-name:not([data-placeholder=""]) {
  color: var(--text);
}

.form-actions {
  margin-top: 0.5rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.4rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--accent);
  color: #ffffff;
}

.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-close-historic {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

.btn-close-historic:hover {
  background: var(--bg-input);
}

.btn-secondary {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  text-decoration: none;
}

.btn-secondary:hover {
  background: var(--bg-input);
  color: var(--text);
}

/* Dashboard */
.dashboard-status-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
}

.status-badge .status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
}

.status-ok { background: rgba(22, 163, 74, 0.15); color: var(--ok); }
.status-warning { background: rgba(202, 138, 4, 0.2); color: var(--warning); }
.status-critical { background: rgba(220, 38, 38, 0.15); color: var(--critical); }

.dashboard-date {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-family: var(--font-body);
}

#view-dashboard .dashboard-date {
  color: #fff;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
}

.card h3 {
  font-family: var(--font-title);
  margin: 0 0 0.6rem 0;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
}

.card-metric .metric-value {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
  font-family: var(--font-body);
  color: var(--text);
}

.card-metric .metric-delta {
  margin: 0.25rem 0 0 0;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.dashboard-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.card-events h3,
.card-comparison h3 {
  margin-bottom: 0.75rem;
}

.events-list {
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.9rem;
}

.events-list li {
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-body);
  font-size: 0.85rem;
}

.events-list li:last-child {
  border-bottom: none;
}

.comparison-content,
.resumen-tecnico {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.card-full {
  margin-bottom: 0;
}

/* Dashboard — Fila de indicadores principales (Estado global, Riesgo, Puntuación, Resumen) */
.dashboard-top-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.dtop-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: box-shadow 0.2s, border-color 0.2s;
}

.dtop-card:hover {
  border-color: var(--border-accent);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
}

.dtop-label {
  font-family: var(--font-title);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-muted);
}

.dtop-value {
  font-family: var(--font-body);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text);
}

.dtop-badge {
  display: inline-block;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  font-size: 1rem;
  font-weight: 700;
  width: fit-content;
}

.dtop-badge.badge-ok {
  background: rgba(22, 163, 74, 0.18);
  color: var(--ok);
}

.dtop-badge.badge-warning {
  background: rgba(202, 138, 4, 0.2);
  color: var(--warning);
}

.dtop-badge.badge-critical {
  background: rgba(220, 38, 38, 0.15);
  color: var(--critical);
}

.dtop-score {
  font-size: 1.75rem;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.dtop-download {
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
  padding: 0 !important;
}

.dtop-download:hover {
  border-color: transparent !important;
  box-shadow: none !important;
}

.dtop-download-actions {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  align-items: stretch;
  width: 100%;
  max-width: 220px;
}

.dashboard-cluster-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  width: 100%;
}

.dashboard-cluster-label {
  font-family: var(--font-title);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.dashboard-cluster-select {
  width: 100%;
  padding: 0.45rem 0.55rem;
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: var(--text);
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
}

.dashboard-cluster-select:hover,
.dashboard-cluster-select:focus {
  border-color: var(--border-accent);
  outline: none;
}

.btn-dashboard-actualizar {
  background: #ffffff !important;
  color: #1a1a2e !important;
  border: 1px solid rgba(0, 0, 0, 0.12) !important;
  font-weight: 600;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.btn-dashboard-actualizar:hover:not(:disabled),
.btn-dashboard-actualizar:focus:not(:disabled) {
  background: #f8fafc !important;
  border-color: var(--accent) !important;
  color: #1a1a2e !important;
}

.btn-dashboard-actualizar:disabled {
  opacity: 0.75;
}

.dtop-download .btn {
  width: 100%;
  max-width: 220px;
  text-decoration: none;
}

.dtop-download .btn:hover,
.dtop-download .btn:focus {
  text-decoration: none;
}

.dtop-resumen {
  grid-column: 1 / -1;
}

.dtop-resumen-texto {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--text);
  flex: 1;
}

/* Dashboard nodos (Monitoreo) */
.dashboard-nodes-wrap {
  margin-top: 0.5rem;
}

.dashboard-summary-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.dsummary-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.15rem;
  box-shadow: var(--shadow);
}

.dsummary-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.dsummary-value {
  display: block;
  font-family: var(--font-title);
  font-size: 1.65rem;
  font-weight: 700;
  color: #1a1a2e;
  line-height: 1.1;
}

.dsummary-hint {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
}

.dsummary-ok .dsummary-value { color: var(--ok); }
.dsummary-warn .dsummary-value { color: var(--warning); }
.dsummary-crit .dsummary-value { color: var(--critical); }

.dashboard-nodes-layout {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.dashboard-nodes-main {
  width: 100%;
}

.dashboard-alerts-bottom {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 0.25rem;
}

.dashboard-alerts-bottom .dh-card-alertas-panel,
.dashboard-alerts-bottom .dh-card-acciones-panel {
  width: 100%;
  margin: 0;
}

.dashboard-acciones-sections {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.dashboard-acciones-block h4 {
  font-family: var(--font-title);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent);
  margin: 0 0 0.5rem 0;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.dashboard-acciones-block ul {
  margin: 0;
  padding-left: 1.25rem;
}

.dashboard-acciones-block li {
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--text);
  margin-bottom: 0.4rem;
}

.dashboard-acciones-block li:last-child {
  margin-bottom: 0;
}

.dh-card-acciones-panel .dashboard-acciones-block--inmediata h4 {
  color: var(--critical);
}

.dh-card-acciones-panel .dashboard-acciones-block--preventiva h4 {
  color: #ca8a04;
}

.dh-card-acciones-panel .dashboard-acciones-block--validacion h4 {
  color: var(--accent);
}

.dashboard-alerts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 0.65rem;
}

.dashboard-alerts-grid .empty-state {
  grid-column: 1 / -1;
}

.dashboard-nodes-title {
  font-family: var(--font-title);
  font-size: 1.05rem;
  font-weight: 600;
  color: #fff;
  margin: 0 0 1rem 0;
}

.nodes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}

.node-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  box-shadow: var(--shadow);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.node-card:hover {
  border-color: var(--border-accent);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
}

.node-card-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 0.85rem;
}

.node-card-name {
  display: block;
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--text);
  word-break: break-all;
  line-height: 1.25;
}

.node-card-ip {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
}

.node-role-badge {
  flex-shrink: 0;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 0.2rem 0.45rem;
  border-radius: 4px;
  color: #fff;
}

.node-role-badge.role-master { background: #5b4a9e; }
.node-role-badge.role-worker { background: #2563eb; }
.node-role-badge.role-infra { background: #0d9488; }
.node-role-badge.role-storage { background: #ea580c; }

.node-metric {
  margin-bottom: 0.65rem;
}

.node-metric-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.node-bar {
  height: 8px;
  background: #e8ecf1;
  border-radius: 999px;
  overflow: hidden;
}

.node-bar-fill {
  height: 100%;
  border-radius: 999px;
  transition: width 0.3s ease;
}

.node-bar-fill.bar-ok { background: linear-gradient(90deg, #22c55e, #16a34a); }
.node-bar-fill.bar-caution { background: linear-gradient(90deg, #eab308, #ca8a04); }
.node-bar-fill.bar-warning { background: linear-gradient(90deg, #f97316, #ea580c); }
.node-bar-fill.bar-critical { background: linear-gradient(90deg, #ef4444, #dc2626); }
.node-bar-fill.bar-unknown { background: #94a3b8; width: 0 !important; }

.node-card-foot {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.5rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border);
}

.node-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.node-status-dot.dot-ok { background: var(--ok); }
.node-status-dot.dot-bad { background: var(--critical); }

.node-status-text {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text);
}

.dh-card-alertas-panel .alert-item {
  padding: 0.65rem 0.75rem;
  border-radius: 8px;
  margin-bottom: 0.5rem;
  font-size: 0.85rem;
  line-height: 1.45;
  border-left: 3px solid var(--border);
  background: #f8fafc;
}

.alert-item.alert-crit {
  border-left-color: var(--critical);
  background: rgba(220, 38, 38, 0.06);
}

.alert-item.alert-high {
  border-left-color: #ea580c;
  background: rgba(234, 88, 12, 0.08);
}

.alert-item.alert-warn {
  border-left-color: var(--warning);
  background: rgba(202, 138, 4, 0.08);
}

.alert-item.alert-info {
  border-left-color: var(--accent);
}

.alert-evidence {
  margin: 0.35rem 0 0 0;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Tarjetas genéricas dashboard (panel lateral) */
.dashboard-healthcheck {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin-top: 0;
}

.dh-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow);
  transition: box-shadow 0.2s, border-color 0.2s;
}

.dh-card:hover {
  border-color: var(--border-accent);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.dh-card h3 {
  font-family: var(--font-title);
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 0.75rem 0;
  color: var(--text);
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.dh-card-infra h3 { border-bottom-color: rgba(91, 74, 158, 0.25); }
.dh-card-kpis h3 { border-bottom-color: rgba(22, 163, 74, 0.3); }
.dh-card-alertas h3 { border-bottom-color: rgba(202, 138, 4, 0.4); }
.dh-card-acciones h3 { border-bottom-color: rgba(13, 148, 136, 0.25); }
.dh-card-riesgo h3 { border-bottom-color: rgba(220, 38, 38, 0.2); }

.dh-content {
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--text);
  margin: 0;
}

.dh-content .dh-pre {
  margin: 0;
  padding: 0;
  font-family: var(--font-body);
  font-size: 0.875rem;
  line-height: 1.6;
  white-space: pre-wrap;
  word-wrap: break-word;
  color: var(--text);
  background: transparent;
  border: none;
}

.dh-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  margin: 0 0 0.75rem 0;
}

.dh-table th,
.dh-table td {
  padding: 0.5rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.dh-table th {
  font-family: var(--font-title);
  font-weight: 600;
  color: var(--text-muted);
  background: var(--bg-input);
}

.dh-table tbody tr:hover {
  background: rgba(0, 0, 0, 0.02);
}

.dh-table-footer {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--text-muted);
}

.dh-content .empty-state {
  color: var(--text-muted);
  font-style: italic;
  margin: 0;
}

.empty-state,
.empty-state-card p {
  color: var(--text-muted);
  font-style: italic;
  margin: 0.5rem 0;
}

.empty-state-card {
  background: var(--bg-card);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
  color: var(--text-muted);
}

.empty-state-card p {
  font-style: normal;
  margin: 0.25rem 0;
}

/* Panel AI */
.panel-ai-toolbar {
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.panel-ai-cluster-bar {
  flex: 0 0 auto;
  min-width: 140px;
  max-width: 240px;
}

.panel-ai-label {
  font-size: 0.9rem;
  font-weight: 700;
  color: #fff;
}

.panel-ai-modes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.panel-ai-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.panel-ai-charts {
  margin-bottom: 1.5rem;
}

.panel-ai-charts-title {
  font-family: var(--font-title);
  font-size: 1.1rem;
  color: #fff;
  margin: 0 0 1rem 0;
}

.panel-ai-charts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.panel-ai-chart-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: var(--shadow);
}

.panel-ai-chart-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0 0 0.5rem 0;
}

@media (max-width: 900px) {
  .panel-ai-charts-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .panel-ai-charts-grid {
    grid-template-columns: 1fr;
  }
}

.panel-ai-content {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.card-ai h3 {
  margin-bottom: 0.5rem;
}

.card-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin: 0 0 0.75rem 0;
}

.ai-block {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text);
}

.panel-ai-mode.btn-toggle {
  border-radius: 999px;
  background: #fff;
  color: var(--text);
  border: 1px solid rgba(0, 0, 0, 0.15);
}

.panel-ai-mode:hover {
  background: #f8f9fa;
  border-color: rgba(0, 0, 0, 0.2);
}

/* Estado activo del rango: debe ganar sobre .panel-ai-mode.btn-toggle */
.panel-ai-mode.btn-toggle.panel-ai-mode-active,
button.panel-ai-mode.panel-ai-mode-active {
  border: 2px solid var(--accent) !important;
  color: var(--accent) !important;
  background: rgba(13, 148, 136, 0.2) !important;
  font-weight: 500;
}

.panel-ai-mode.btn-toggle.panel-ai-mode-active:hover,
button.panel-ai-mode.panel-ai-mode-active:hover {
  background: rgba(13, 148, 136, 0.28) !important;
  border-color: var(--accent) !important;
  color: var(--accent) !important;
}

/* "Descargar análisis" usa .btn-primary como "Descargar Informe" (fondo aguamarina, texto blanco) */

.email-editor {
  width: 100%;
  padding: 1rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.6;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  resize: vertical;
  min-height: 220px;
}

.email-editor::placeholder {
  color: var(--text-muted);
}

.email-editor:focus {
  outline: none;
  border-color: var(--accent);
}

/* Histórico */
.historico-toolbar {
  margin-bottom: 1.5rem;
}

.filter-dates {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.filter-dates label {
  font-size: 0.9rem;
  color: #fff;
}

.filter-dates input[type="date"] {
  padding: 0.5rem 0.75rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
}

.filter-dates input[type="date"]:focus {
  outline: none;
  border-color: var(--accent);
}

.historico-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.historico-paginacion {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 1.25rem;
  padding: 0.75rem 0;
}

.historico-paginacion-inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.historico-pag-label {
  color: #fff;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.historico-select-pagina {
  padding: 0.35rem 0.5rem;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  font-size: 0.9rem;
  cursor: pointer;
}

.historico-pag-btn {
  background: #fff;
  color: var(--text);
  border: 1px solid rgba(0, 0, 0, 0.15);
}

.historico-pag-btn:hover:not(:disabled) {
  background: #f0fdfa;
  border-color: var(--accent);
  color: var(--accent);
}

.historico-pag-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.historico-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.95rem;
}

.historico-fecha {
  font-weight: 600;
  min-width: 6rem;
}

.historico-proyecto-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  background: rgba(91, 74, 158, 0.1);
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  max-width: 9rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.historico-cluster-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent);
  background: rgba(13, 148, 136, 0.12);
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  max-width: 7rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.historico-badge {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  font-size: 0.75rem;
  border-radius: 4px;
  background: rgba(13, 148, 136, 0.15);
  color: var(--accent);
}

.historico-item a.btn {
  text-decoration: none;
}

.historico-item a.btn:hover,
.historico-item a.btn:focus {
  text-decoration: none;
}

.historico-item-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: auto;
}

.historico-item-actions .btn-sm {
  margin-left: 0;
}

.btn-sm {
  padding: 0.4rem 0.8rem;
  font-size: 0.85rem;
  margin-left: auto;
}

.historico-detalle {
  margin-top: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  max-height: 70vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.historico-detalle-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.historico-detalle-actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.btn-download-json {
  background: rgba(13, 148, 136, 0.12);
  border: 1px solid var(--accent);
  color: var(--accent);
}

.btn-download-json:hover {
  background: rgba(13, 148, 136, 0.2);
}

.historico-detalle-header h3 {
  font-family: var(--font-title);
  margin: 0;
  font-size: 1rem;
}

.historico-json {
  flex: 1;
  overflow: auto;
  margin: 0;
  padding: 1rem;
  font-size: 0.8rem;
  line-height: 1.4;
  background: var(--bg-input);
  border-radius: 8px;
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-all;
}

@media (max-width: 900px) {
  .upload-form .upload-row {
    grid-template-columns: 1fr;
  }

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

  .dashboard-row {
    grid-template-columns: 1fr;
  }

  .dashboard-summary-strip {
    grid-template-columns: repeat(2, 1fr);
  }

  .dashboard-alerts-grid {
    grid-template-columns: 1fr;
  }

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

  .dtop-resumen {
    grid-column: 1;
  }
}

@media (max-width: 640px) {
  .app {
    flex-direction: column;
  }

  .sidebar {
    position: static;
    height: auto;
    width: 100%;
    min-width: unset;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-between;
    padding: 0.5rem 1rem;
  }

  .main {
    margin-left: 0;
  }

  .sidebar-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    padding: 0.5rem 0;
    width: 100%;
    order: 3;
  }

  .sidebar-footer {
    border-top: none;
    padding: 0.5rem 0;
  }

  .main {
    padding: 1.25rem;
  }

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