/* ═══════════════════════════════════════════════════════════
   Orquestador de Cohortes PRM — FSFB
   Dashboard médico oscuro, vanilla CSS, custom properties
   ═══════════════════════════════════════════════════════════ */

/* ── Variables ── */
:root {
  --bg-primary: #0f1117;
  --bg-secondary: #1a1d27;
  --bg-panel: #1e2130;
  --bg-card: #252838;
  --bg-hover: #2d3148;
  --bg-input: #1a1d27;

  --text-primary: #e8eaed;
  --text-secondary: #9aa0b0;
  --text-muted: #636980;

  --accent: #4f8cff;
  --accent-hover: #6ea0ff;
  --accent-dim: rgba(79, 140, 255, 0.15);

  --success: #34d399;
  --warning: #fbbf24;
  --danger: #f87171;
  --info: #60a5fa;

  --border: #2d3148;
  --border-light: #363b52;

  --radius: 8px;
  --radius-sm: 4px;
  --radius-lg: 12px;

  --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-mono: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;

  --shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 4px 24px rgba(0, 0, 0, 0.4);

  --transition: 150ms ease;
}

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

body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  overflow: hidden;
  height: 100vh;
}

/* ── Typography ── */
h1 { font-size: 1.25rem; font-weight: 600; }
h2 { font-size: 0.95rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-secondary); }
h3 { font-size: 0.85rem; font-weight: 500; color: var(--text-secondary); margin-bottom: 0.5rem; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 0.35rem;
  padding: 0.45rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: 0.8rem;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
}
.btn:hover { background: var(--bg-hover); border-color: var(--border-light); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-primary:disabled { background: var(--accent); opacity: 0.4; }

.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-danger:hover { opacity: 0.85; }

.btn-ghost { background: transparent; border-color: transparent; }
.btn-ghost:hover { background: var(--bg-hover); }

.btn-sm { padding: 0.3rem 0.6rem; font-size: 0.75rem; }

.btn-close {
  background: none; border: none; color: var(--text-secondary); font-size: 1.5rem;
  cursor: pointer; line-height: 1;
}
.btn-close:hover { color: var(--text-primary); }

/* ── Header ── */
.app-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 0.6rem 1.2rem;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  height: 52px;
}
.header-left { display: flex; align-items: center; gap: 0.75rem; }
.logo { color: var(--accent); }
.badge {
  font-size: 0.7rem; color: var(--text-muted);
  background: var(--bg-card); padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
}
.header-controls { display: flex; align-items: center; gap: 0.5rem; }

.status-badge {
  font-size: 0.7rem; padding: 0.2rem 0.6rem; border-radius: 10px;
  font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em;
}
.status-detail {
  font-size: 0.65rem; color: var(--text-muted); margin-left: 0.5rem;
  max-width: 220px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.status-idle { background: var(--bg-card); color: var(--text-muted); }
.status-running { background: rgba(52, 211, 153, 0.15); color: var(--success); }
.status-paused { background: rgba(251, 191, 36, 0.15); color: var(--warning); }
.status-done { background: rgba(79, 140, 255, 0.15); color: var(--accent); }
.status-stopped { background: rgba(248, 113, 113, 0.15); color: var(--danger); }

/* ── Main layout ── */
.app-main {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1px;
  height: calc(100vh - 52px);
  background: var(--border);
}

/* ── Panels ── */
.panel {
  background: var(--bg-panel);
  display: flex; flex-direction: column;
  overflow: hidden;
}
.panel-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 0.7rem 1rem;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

/* ── Flow panel ── */
.flow-legend { display: flex; gap: 0.6rem; }
.legend-item { font-size: 0.65rem; color: var(--text-muted); }

.flow-container {
  flex: 1; overflow-y: auto; padding: 1rem;
}
.flow-container::-webkit-scrollbar { width: 6px; }
.flow-container::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }

/* Flow nodes */
.flow-stage { margin-bottom: 1.5rem; }
.flow-stage-title {
  font-size: 0.7rem; font-weight: 600; text-transform: uppercase;
  color: var(--accent); letter-spacing: 0.06em;
  padding: 0.3rem 0.6rem; margin-bottom: 0.5rem;
  border-left: 3px solid var(--accent);
}

.flow-node {
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.45rem 0.7rem; margin: 0.15rem 0 0.15rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  border-left: 3px solid transparent;
  transition: background var(--transition), border-color var(--transition);
  cursor: default;
}
.flow-node:hover { background: var(--bg-hover); }
.flow-node.active {
  background: var(--accent-dim);
  border-left-color: var(--accent);
}
.flow-node.completed { opacity: 0.5; }
.flow-node.decision { font-style: italic; color: var(--warning); }
.flow-node.fin { color: var(--danger); }
.flow-node.transicion { color: var(--success); font-weight: 500; }

.flow-node-id {
  font-family: var(--font-mono); font-size: 0.65rem;
  color: var(--text-muted); min-width: 2.5rem;
}
.flow-node-actors {
  font-size: 0.6rem; color: var(--text-muted);
  margin-left: auto; white-space: nowrap;
}

.flow-connector {
  width: 2px; height: 8px; background: var(--border-light);
  margin-left: 2.2rem;
}

.flow-patient-dot {
  display: inline-block; width: 8px; height: 8px;
  border-radius: 50%; background: var(--accent);
  animation: pulse 1s infinite;
  margin-right: 0.3rem;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ── Chat panel ── */
.agent-selector {
  display: flex; align-items: center; gap: 0.4rem; font-size: 0.75rem;
}
.agent-selector select {
  background: var(--bg-input); color: var(--text-primary);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 0.25rem 0.4rem; font-size: 0.75rem;
}

.chat-messages {
  flex: 1; overflow-y: auto; padding: 0.75rem;
  display: flex; flex-direction: column; gap: 0.4rem;
}
.chat-messages::-webkit-scrollbar { width: 6px; }
.chat-messages::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }

.chat-empty {
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; flex: 1; text-align: center;
  color: var(--text-muted); font-size: 0.85rem;
}

.chat-msg {
  padding: 0.45rem 0.7rem;
  border-radius: var(--radius);
  font-size: 0.78rem;
  max-width: 95%;
  line-height: 1.4;
  animation: fadeIn 200ms ease;
}
@keyframes fadeIn { from { opacity: 0; transform: translateY(4px); } }

.chat-msg .msg-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 0.2rem;
}
.chat-msg .msg-agent { font-weight: 600; font-size: 0.7rem; }
.chat-msg .msg-time { font-size: 0.6rem; color: var(--text-muted); }
.chat-msg .msg-body { color: var(--text-secondary); }

.chat-msg.msg-sf { background: rgba(79, 140, 255, 0.08); border-left: 2px solid var(--accent); }
.chat-msg.msg-enf { background: rgba(251, 191, 36, 0.08); border-left: 2px solid var(--warning); }
.chat-msg.msg-mt { background: rgba(96, 165, 250, 0.08); border-left: 2px solid var(--info); }
.chat-msg.msg-pac { background: rgba(52, 211, 153, 0.08); border-left: 2px solid var(--success); }
.chat-msg.msg-cic { background: rgba(167, 139, 250, 0.08); border-left: 2px solid #a78bfa; }
.chat-msg.msg-sistema { background: var(--bg-card); border-left: 2px solid var(--text-muted); }
.chat-msg.msg-usuario { background: var(--accent-dim); border-left: 2px solid var(--accent); align-self: flex-end; }
.chat-msg.msg-default { background: var(--bg-card); border-left: 2px solid var(--border-light); }

.chat-input {
  display: flex; gap: 0.4rem;
  padding: 0.6rem 0.75rem;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}
.chat-input input {
  flex: 1; background: var(--bg-input); color: var(--text-primary);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 0.4rem 0.6rem; font-size: 0.8rem;
}
.chat-input input:focus { outline: none; border-color: var(--accent); }
.chat-input input:disabled { opacity: 0.4; }

/* ── Dashboard panel ── */
.panel-dashboard { overflow-y: auto; }
.panel-dashboard::-webkit-scrollbar { width: 6px; }
.panel-dashboard::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }

.kpi-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.5rem;
  padding: 0.75rem 1rem;
}
.kpi-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 0.6rem;
  text-align: center;
}
.kpi-value {
  display: block; font-size: 1.5rem; font-weight: 700;
  color: var(--accent); font-family: var(--font-mono);
}
.kpi-label {
  display: block; font-size: 0.65rem; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.05em;
}

.chart-container {
  padding: 0.75rem 1rem;
}
.chart-container canvas { max-height: 180px; }

.agents-status { padding: 0.75rem 1rem; }
.agents-table {
  width: 100%; border-collapse: collapse; font-size: 0.75rem;
}
.agents-table th {
  text-align: left; padding: 0.35rem 0.5rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-muted); font-weight: 500;
}
.agents-table td {
  padding: 0.35rem 0.5rem;
  border-bottom: 1px solid var(--border);
}
.agents-table tr:hover { background: var(--bg-hover); }

.agent-type-llm { color: var(--warning); font-size: 0.65rem; }
.agent-type-det { color: var(--text-muted); font-size: 0.65rem; }

/* ── Modals ── */
.modal {
  border: none; border-radius: var(--radius-lg);
  background: var(--bg-panel);
  color: var(--text-primary);
  box-shadow: var(--shadow-lg);
  max-width: 520px; width: 90vw;
  padding: 0;
}
.modal::backdrop { background: rgba(0, 0, 0, 0.6); }

.modal-wide { max-width: 800px; }

.modal-content { padding: 1.25rem; }

.modal-header {
  display: flex; justify-content: space-between; align-items: center;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1rem;
}

.modal-actions {
  display: flex; justify-content: flex-end; gap: 0.5rem;
  margin-top: 1.25rem; padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}

/* ── Config form ── */
.config-form fieldset {
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 0.75rem; margin-bottom: 0.75rem;
}
.config-form legend {
  font-size: 0.8rem; font-weight: 600; color: var(--accent);
  padding: 0 0.3rem;
}
.config-form label {
  display: block; font-size: 0.78rem; color: var(--text-secondary);
  margin-top: 0.5rem; margin-bottom: 0.2rem;
}
.config-form input[type="password"],
.config-form input[type="text"] {
  width: 100%; background: var(--bg-input); color: var(--text-primary);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 0.4rem 0.6rem; font-size: 0.8rem;
}
.config-form input:focus { outline: none; border-color: var(--accent); }

.config-form input[type="range"] { width: 100%; margin-top: 0.3rem; }
.config-form output {
  display: inline-block; font-family: var(--font-mono); font-size: 0.8rem;
  color: var(--accent); margin-left: 0.3rem;
}

.dist-grid {
  display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 0.4rem;
}
.dist-grid label {
  display: flex; align-items: center; gap: 0.3rem;
  font-size: 0.75rem;
}
.dist-grid input[type="number"] {
  width: 3.5rem; background: var(--bg-input); color: var(--text-primary);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 0.2rem 0.3rem; text-align: center; font-size: 0.78rem;
}

.hint { font-size: 0.7rem; color: var(--text-muted); margin-top: 0.3rem; }

/* ── Comparador ── */
.comparador-body { min-height: 300px; }
.upload-zone {
  border: 2px dashed var(--border-light);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
  color: var(--text-muted);
  cursor: pointer;
  transition: border-color var(--transition);
}
.upload-zone:hover { border-color: var(--accent); }
.upload-zone.dragging { border-color: var(--accent); background: var(--accent-dim); }

.comparador-charts {
  margin-top: 1rem;
}
.comparador-file-info {
  display: flex; align-items: center; gap: 1rem;
  padding: 0.75rem 1rem; background: var(--bg-card); border-radius: var(--radius);
  margin-bottom: 1rem; color: var(--text-secondary); font-size: 0.85rem;
}
.comparador-analysis {
  padding: 1rem; background: var(--bg-secondary); border-radius: var(--radius);
  color: var(--text-primary); font-size: 0.9rem; line-height: 1.6;
  max-height: 60vh; overflow-y: auto;
}
.comparador-analysis h2, .comparador-analysis h3, .comparador-analysis h4 {
  color: var(--accent); margin: 1rem 0 0.5rem;
}
.comparador-analysis pre {
  background: var(--bg-card); padding: 0.75rem; border-radius: var(--radius);
  overflow-x: auto; font-size: 0.8rem;
}
.comparador-analysis code {
  background: var(--bg-card); padding: 0.1rem 0.3rem; border-radius: 3px;
  font-size: 0.85em;
}
.comparador-analysis table {
  width: 100%; margin: 0.5rem 0;
}

/* ── Analytics Dashboard ── */
.modal-fullscreen {
  width: 95vw; max-width: 1400px; height: 90vh;
}
.analytics-modal {
  display: flex; flex-direction: column; height: 100%;
}
.analytics-header {
  display: flex; justify-content: space-between; align-items: flex-start;
  flex-wrap: wrap; gap: 0.5rem;
}
.analytics-subtitle {
  font-size: 0.75rem; color: var(--text-muted); display: block; margin-top: 0.2rem;
}
.analytics-header-actions {
  display: flex; gap: 0.5rem; align-items: center;
}
.btn-accent {
  background: var(--accent); color: #fff; border: none;
  font-weight: 600; cursor: pointer;
}
.btn-accent:hover { background: var(--accent-hover); }

/* Tabs */
.analytics-tabs {
  display: flex; gap: 0; border-bottom: 2px solid var(--border);
  margin: 0 -1.5rem; padding: 0 1.5rem;
  overflow-x: auto;
}
.analytics-tab {
  background: none; border: none; color: var(--text-muted);
  padding: 0.7rem 1.2rem; font-size: 0.82rem; cursor: pointer;
  border-bottom: 2px solid transparent; margin-bottom: -2px;
  white-space: nowrap; transition: all var(--transition);
}
.analytics-tab:hover { color: var(--text-primary); }
.analytics-tab.active {
  color: var(--accent); border-bottom-color: var(--accent); font-weight: 600;
}

/* Tab content */
.analytics-body {
  flex: 1; overflow-y: auto; padding: 1.5rem 0; min-height: 0;
}
.analytics-tab-content {
  display: none;
}
.analytics-tab-content.active {
  display: block;
}

/* Executive KPIs */
.exec-kpi-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem; margin-bottom: 1.5rem;
}
.exec-kpi {
  background: var(--bg-card); border-radius: var(--radius);
  padding: 1.2rem; text-align: center;
  border-left: 3px solid var(--border-light);
}
.exec-kpi-success { border-left-color: var(--success); }
.exec-kpi-danger { border-left-color: var(--danger); }
.exec-kpi-info { border-left-color: var(--accent); }
.exec-kpi-value {
  display: block; font-size: 2rem; font-weight: 700;
  color: var(--text-primary); line-height: 1.1;
}
.exec-kpi-label {
  display: block; font-size: 0.75rem; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.05em; margin-top: 0.3rem;
}
.exec-kpi-sub {
  display: block; font-size: 0.7rem; color: var(--text-muted); margin-top: 0.2rem;
}

/* Insights */
.exec-insights {
  background: var(--bg-card); border-radius: var(--radius); padding: 1.2rem;
}
.exec-insights h4 {
  font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 0.8rem;
}
.exec-insights ul { list-style: none; }
.exec-insights li {
  padding: 0.5rem 0.7rem; margin-bottom: 0.4rem;
  border-radius: var(--radius-sm); font-size: 0.82rem;
  background: var(--bg-secondary);
}
.insight-danger { border-left: 3px solid var(--danger); }
.insight-warning { border-left: 3px solid var(--warning); }
.insight-info { border-left: 3px solid var(--accent); }

/* Chart layouts */
.analytics-chart-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem;
}
.analytics-chart-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem;
}
.analytics-chart-box {
  background: var(--bg-card); border-radius: var(--radius);
  padding: 1rem; min-height: 280px; position: relative;
}

/* Analytics table */
.analytics-table {
  width: 100%; border-collapse: collapse; font-size: 0.8rem;
}
.analytics-table th {
  text-align: left; padding: 0.6rem 0.8rem;
  background: var(--bg-card); color: var(--text-muted);
  font-weight: 600; font-size: 0.72rem; text-transform: uppercase;
  letter-spacing: 0.04em; border-bottom: 1px solid var(--border);
}
.analytics-table td {
  padding: 0.5rem 0.8rem; border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
}
.analytics-table tbody tr:hover { background: var(--bg-hover); }

/* Badges */
.badge-llm {
  background: rgba(167, 139, 250, 0.2); color: #a78bfa;
  padding: 0.15rem 0.5rem; border-radius: 10px; font-size: 0.7rem; font-weight: 600;
}
.badge-det {
  background: rgba(79, 140, 255, 0.2); color: #4f8cff;
  padding: 0.15rem 0.5rem; border-radius: 10px; font-size: 0.7rem; font-weight: 600;
}

/* Progress bar */
.progress-bar {
  width: 100%; height: 6px; background: var(--bg-secondary);
  border-radius: 3px; overflow: hidden;
}
.progress-fill {
  height: 100%; background: var(--accent); border-radius: 3px;
  transition: width 0.3s ease;
}

/* Barrier bars */
.eps-bars { margin-top: 0.5rem; }
.eps-bar-row {
  display: flex; align-items: center; gap: 0.8rem;
  margin-bottom: 0.5rem;
}
.eps-name {
  min-width: 140px; font-size: 0.8rem; color: var(--text-secondary);
  text-align: right;
}
.eps-bar {
  flex: 1; height: 20px; background: var(--bg-secondary);
  border-radius: 4px; overflow: hidden;
}
.eps-bar-fill {
  height: 100%; background: var(--accent); border-radius: 4px;
  transition: width 0.3s ease;
}
.eps-bar-danger .eps-bar-fill { background: var(--danger); }
.eps-count {
  min-width: 30px; font-size: 0.8rem; color: var(--text-primary); font-weight: 600;
}

/* Cell colors */
.cell-danger { color: var(--danger); font-weight: 600; }
.cell-success { color: var(--success); font-weight: 600; }

/* Status pills */
.etapa-dot {
  display: inline-block; width: 8px; height: 8px;
  border-radius: 50%; margin-right: 0.5rem;
}
.status-pill {
  padding: 0.15rem 0.5rem; border-radius: 10px;
  font-size: 0.7rem; font-weight: 600;
}
.status-bottleneck { background: rgba(248, 113, 113, 0.2); color: var(--danger); }
.status-normal { background: rgba(52, 211, 153, 0.2); color: var(--success); }
.status-empty { background: var(--bg-secondary); color: var(--text-muted); }

.analytics-empty {
  text-align: center; color: var(--text-muted); padding: 2rem;
  font-size: 0.85rem;
}

@media (max-width: 900px) {
  .analytics-chart-row, .analytics-chart-grid { grid-template-columns: 1fr; }
  .exec-kpi-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ── Scrollbar global ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-light); }

/* ── Responsive ── */
@media (max-width: 1200px) {
  .app-main { grid-template-columns: 1fr 1fr; }
  .panel-flow { display: none; }
}
@media (max-width: 768px) {
  .app-main { grid-template-columns: 1fr; grid-template-rows: 1fr 1fr; }
  .panel-dashboard { max-height: 50vh; }
}