/* ═══════════════════════════════════════════════════════════════
   workflow-canvas.css — Canvas drag-and-drop del diseñador de flujos
   RenFlow · Fase 3b
   ═══════════════════════════════════════════════════════════════ */

/* ── Layout principal del diseñador ──────────────────────────── */
.wf-designer {
  display: grid;
  grid-template-columns: 130px 1fr 230px;
  height: 100%;
  min-height: 500px;
  border: 0.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

/* ── Paleta izquierda ─────────────────────────────────────────── */
.wf-palette {
  background: var(--color-bg-secondary);
  border-right: 0.5px solid var(--color-border);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.wf-palette-header {
  padding: 9px 10px;
  font-size: 10px;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 0.5px solid var(--color-border);
  flex-shrink: 0;
}

.wf-palette-section {
  padding: 6px 8px 2px;
  font-size: 10px;
  color: var(--color-text-hint);
  font-weight: 600;
  letter-spacing: 0.03em;
}

.wf-palette-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 8px;
  margin: 1px 4px;
  border-radius: 5px;
  cursor: grab;
  font-size: 11px;
  color: var(--color-text-primary);
  border: 0.5px solid transparent;
  user-select: none;
}

.wf-palette-item:hover {
  background: var(--color-bg);
  border-color: var(--color-border);
}

.wf-palette-item:active { cursor: grabbing; }

.wf-palette-dot {
  width: 7px;
  height: 7px;
  border-radius: 2px;
  flex-shrink: 0;
}

.wf-palette-divider {
  height: 0.5px;
  background: var(--color-border);
  margin: 6px 8px;
}

/* Variables en la paleta */
.wf-var-item {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 4px 8px;
  margin: 1px 4px;
  border-radius: 5px;
  cursor: grab;
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--color-text-muted);
  border: 0.5px solid transparent;
}
.wf-var-item:hover { background: var(--color-bg); border-color: var(--color-border); }
.wf-var-dot { width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0; }
.wvd-local  { background: var(--color-primary-bg); border: 1px solid var(--color-primary); }
.wvd-global { background: var(--color-warning-bg); border: 1px solid var(--color-warning); }
.wvd-output { background: var(--color-success-bg); border: 1px solid var(--color-success); }

/* ── Canvas central ───────────────────────────────────────────── */
.wf-canvas-wrap {
  display: flex;
  flex-direction: column;
  background: var(--color-bg);
  overflow: hidden;
}

.wf-canvas-toolbar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 10px;
  border-bottom: 0.5px solid var(--color-border);
  background: var(--color-bg-secondary);
  flex-shrink: 0;
}

.wf-canvas-area {
  flex: 1;
  position: relative;
  overflow: hidden;
  cursor: default;
  /* Fondo de cuadrícula sutil */
  background-image:
    linear-gradient(var(--color-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-border) 1px, transparent 1px);
  background-size: 24px 24px;
  background-color: var(--color-bg);
}

/* SVG de conectores — capa encima del canvas pero bajo los nodos */
.wf-conn-svg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: visible;
}

/* ── Nodos en el canvas ───────────────────────────────────────── */
.wf-node {
  position: absolute;
  user-select: none;
  z-index: 10;
}

.wf-node-inner {
  border-radius: 7px;
  border: 1.5px solid transparent;
  font-size: 11px;
  font-weight: 500;
  text-align: center;
  padding: 8px 12px;
  min-width: 90px;
  max-width: 120px;
  cursor: grab;
  transition: box-shadow 0.15s;
  line-height: 1.3;
  position: relative;
  white-space: nowrap;
}

.wf-node-inner:active { cursor: grabbing; }

.wf-node-inner.selected {
  box-shadow: 0 0 0 2.5px #185FA5 !important;
}

.wf-node-sub {
  font-size: 9px;
  font-weight: 400;
  opacity: 0.7;
  margin-top: 2px;
  display: block;
}

/* Tipos de nodo */
.wn-init   { background: #F1EFE8; color: #444441; border-color: #B4B2A9; }
.wn-notif  { background: #E6F1FB; color: #0C447C; border-color: #85B7EB; }
.wn-field  { background: #FAEEDA; color: #633806; border-color: #EF9F27; }
.wn-escal  { background: #FBEAF0; color: #72243E; border-color: #ED93B1; }
.wn-end    { background: #EAF3DE; color: #085041; border-color: #5DCAA5;
             border-radius: 50%; width: 40px; height: 40px; min-width: 0;
             padding: 0; display: flex; align-items: center; justify-content: center;
             font-size: 16px; }

/* Badges PRE/ON/POST en el nodo */
.wf-node-badge {
  position: absolute;
  top: -5px;
  right: -5px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  font-size: 8px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 0.5px solid;
  line-height: 1;
}
.wnb-pre  { background: #E6F1FB; color: #0C447C; border-color: #185FA5; }
.wnb-on   { background: #EAF3DE; color: #27500A; border-color: #3B6D11; }
.wnb-post { background: #FAEEDA; color: #633806; border-color: #854F0B; }

/* Puerto de conexión (aparece al hover) */
.wf-port {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-bg);
  border: 1.5px solid var(--color-primary);
  cursor: crosshair;
  z-index: 20;
  opacity: 0;
  transition: opacity 0.15s;
}
.wf-node:hover .wf-port,
.wf-port.visible { opacity: 1; }
.wf-port-right  { right: -5px;   top: 50%; transform: translateY(-50%); }
.wf-port-left   { left: -5px;    top: 50%; transform: translateY(-50%); }
.wf-port-bottom { bottom: -5px;  left: 50%; transform: translateX(-50%); }

/* ── Conectores SVG ───────────────────────────────────────────── */
.wf-edge {
  stroke: var(--color-border-md);
  stroke-width: 1.5;
  fill: none;
  transition: stroke 0.15s, stroke-width 0.15s, filter 0.15s;
}
.wf-edge.success { stroke: #3B6D11; }
.wf-edge.failure { stroke: #A32D2D; }
.wf-edge.selected {
  stroke: #3b82f6;
  stroke-width: 3;
  filter: drop-shadow(0 0 6px rgba(59, 130, 246, 0.8));
}

.wf-edge-label {
  font-size: 9px;
  fill: var(--color-text-hint);
  font-family: var(--font-body);
}
.wf-edge-label.success { fill: #3B6D11; }
.wf-edge-label.failure { fill: #A32D2D; }

/* Línea de conexión en progreso (al arrastrar desde un puerto) */
.wf-drawing-line {
  stroke: var(--color-primary);
  stroke-width: 1.5;
  stroke-dasharray: 5 3;
  fill: none;
  pointer-events: none;
}

/* ── Panel derecho de detalle ─────────────────────────────────── */
.wf-detail {
  background: var(--color-bg-secondary);
  border-left: 0.5px solid var(--color-border);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.wf-detail-header {
  padding: 10px 12px;
  border-bottom: 0.5px solid var(--color-border);
  background: var(--color-bg);
  flex-shrink: 0;
}

.wf-detail-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.wf-detail-subtitle {
  font-size: 10px;
  color: var(--color-text-muted);
  margin-top: 3px;
}

.wf-detail-empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 20px;
  text-align: center;
  color: var(--color-text-hint);
}
.wf-detail-empty i { font-size: 32px; margin-bottom: 10px; }
.wf-detail-empty p { font-size: 12px; }

.wf-detail-body { padding: 10px; flex: 1; }

/* Secciones del panel */
.wf-section-label {
  font-size: 10px;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 10px 0 5px;
  display: flex;
  align-items: center;
  gap: 4px;
}
.wf-section-label:first-child { margin-top: 0; }

/* Actor */
.wf-actor-box {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 9px;
  border-radius: 6px;
  border: 0.5px solid var(--color-border);
  background: var(--color-bg);
  margin-bottom: 4px;
  cursor: pointer;
}
.wf-actor-box:hover { border-color: var(--color-border-md); }
.wf-actor-icon {
  width: 26px;
  height: 26px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  flex-shrink: 0;
}

/* Reglas PRE/ON/POST */
.wf-rule-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 8px;
  border-radius: 6px;
  border: 0.5px solid var(--color-border);
  background: var(--color-bg);
  margin-bottom: 4px;
  cursor: pointer;
  font-size: 11px;
}
.wf-rule-pill:hover { border-color: var(--color-border-md); }

/* ── Badges de tipo de expresión (condition-builder) ── */
.expr-badge {
  display: inline-block;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.03em;
  padding: 1px 6px;
  border-radius: 3px;
  vertical-align: middle;
  margin-left: 4px;
}
.expr-badge-condition  { background: #dbeafe; color: #1d4ed8; }
.expr-badge-assignment { background: #dcfce7; color: #15803d; }
.expr-badge-unknown    { background: #f3f4f6; color: #6b7280; }
.expr-badge-warn       { color: #d97706; margin-left: 2px; cursor: help; }

/* ── Panel de seguridad de loop ── */
.loop-safety-loading {
  margin-top: 6px;
  padding: 5px 10px;
  font-size: 11px;
  color: var(--color-text-hint);
  display: flex;
  align-items: center;
  gap: 5px;
}

.loop-safety-ok {
  margin-top: 6px;
  padding: 6px 10px;
  background: #f0fdf4;
  border-left: 3px solid #22c55e;
  border-radius: 3px;
  font-size: 11px;
  color: #15803d;
  display: flex;
  align-items: center;
  gap: 5px;
}
.loop-safety-warn {
  margin-top: 6px;
  padding: 8px 10px;
  background: #fffbeb;
  border-left: 3px solid #f59e0b;
  border-radius: 3px;
  font-size: 11px;
  color: #92400e;
}
.loop-safety-warn-header {
  display: flex;
  align-items: center;
  gap: 5px;
  font-weight: 600;
  margin-bottom: 4px;
}
.loop-safety-warn-body {
  margin-bottom: 6px;
  color: #78350f;
}
.loop-safety-steps {
  margin: 0 0 4px 16px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.loop-safety-steps li {
  line-height: 1.5;
  color: #78350f;
}
.loop-safety-steps code {
  font-family: var(--font-mono);
  font-size: 10px;
  background: #fef3c7;
  padding: 1px 4px;
  border-radius: 2px;
  color: #92400e;
}
.loop-safety-hint {
  margin-top: 5px;
  font-size: 10px;
  color: #a16207;
  display: flex;
  align-items: center;
  gap: 4px;
  opacity: 0.85;
}

.wf-rule-type {
  font-size: 9px;
  font-weight: 600;
  padding: 1px 5px;
  border-radius: 4px;
  flex-shrink: 0;
}
.wrt-pre  { background: #E6F1FB; color: #0C447C; }
.wrt-on   { background: #EAF3DE; color: #27500A; }
.wrt-post { background: #FAEEDA; color: #633806; }

/* Variables */
.wf-var-row {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 4px 7px;
  border-radius: 5px;
  border: 0.5px solid var(--color-border);
  background: var(--color-bg);
  margin-bottom: 3px;
  cursor: grab;
  font-size: 10px;
  font-family: var(--font-mono);
}
.wf-var-row:hover { border-color: var(--color-border-md); }

.wf-var-src {
  font-size: 9px;
  padding: 1px 5px;
  border-radius: 4px;
  font-family: var(--font-body);
  font-weight: 500;
  flex-shrink: 0;
}
.wvs-local  { background: #E6F1FB; color: #0C447C; }
.wvs-param  { background: #FAEEDA; color: #633806; }
.wvs-ctx    { background: #EAF3DE; color: #27500A; }
.wvs-out    { background: #CECBF6; color: #3C3489; }

/* Botón agregar genérico */
.wf-add-btn {
  font-size: 11px;
  color: var(--color-text-hint);
  padding: 4px 8px;
  border: 0.5px dashed var(--color-border);
  border-radius: 5px;
  cursor: pointer;
  text-align: center;
  margin-bottom: 4px;
  width: 100%;
  background: transparent;
  font-family: var(--font-body);
}
.wf-add-btn:hover { color: var(--color-primary); border-color: var(--color-primary); }

/* ── Legend ───────────────────────────────────────────────────── */
.wf-legend {
  display: flex;
  gap: 8px;
  padding: 5px 10px;
  background: var(--color-bg-secondary);
  border-top: 0.5px solid var(--color-border);
  flex-shrink: 0;
  flex-wrap: wrap;
}
.wf-legend-item {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 10px;
  color: var(--color-text-hint);
}
.wf-legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 2px;
}

/* ═══════════════════════════════════════════════════════════════════════════
   RULE SELECTOR MODAL
   ═══════════════════════════════════════════════════════════════════════════ */

.rs-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9000;
}

.rs-dialog {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  width: 520px;
  max-height: 82vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 8px 32px rgba(0,0,0,.18);
  overflow: hidden;
}

.rs-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px 10px;
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.rs-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.rs-close {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 16px;
  color: var(--color-text-muted);
  line-height: 1;
  padding: 2px 6px;
  border-radius: 4px;
}
.rs-close:hover { background: var(--color-surface-alt); }

.rs-search-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}
.rs-search-bar i { color: var(--color-text-muted); }
.rs-search-bar input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-size: 13px;
  color: var(--color-text-primary);
}

.rs-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.rs-item {
  padding: 9px 11px;
  border-radius: 7px;
  border: 1.5px solid var(--color-border);
  cursor: pointer;
  transition: border-color .15s, background .15s;
}
.rs-item:hover { border-color: var(--color-primary); background: var(--color-primary-bg); }
.rs-item.selected { border-color: var(--color-primary); background: var(--color-primary-bg); }
.rs-item.inactive { opacity: .5; }

.rs-item-top {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 2px;
}

.rs-item-edit-btn {
  margin-left: auto;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-hint);
  padding: 2px 4px;
  border-radius: 3px;
  font-size: 12px;
  line-height: 1;
  display: flex;
  align-items: center;
  opacity: 0;
  transition: opacity .15s, color .15s;
}
.rs-item:hover .rs-item-edit-btn,
.rs-item.selected .rs-item-edit-btn { opacity: 1; }
.rs-item-edit-btn:hover { color: var(--color-primary); background: var(--color-primary-bg); }

.rs-item-code {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-bg);
  padding: 1px 5px;
  border-radius: 3px;
}

.rs-item-name {
  font-size: 12px;
  color: var(--color-text-secondary);
  margin-bottom: 4px;
}

.rs-item-conditions {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-top: 4px;
}

.rs-badge {
  font-size: 9px;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: 3px;
  letter-spacing: .03em;
}
.rs-badge-off     { background: #fee2e2; color: #dc2626; }
.rs-badge-current {
  background: #dcfce7; color: #15803d;
  display: inline-flex; align-items: center; gap: 3px;
}

.rs-current-separator {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: #94a3b8;
  padding: 6px 12px 4px;
  border-bottom: 1px solid #f1f5f9;
}

/* Ítem con regla asignada — borde izquierdo verde */
.rs-item.selected {
  background: #f0fdf4;
  border-left: 3px solid #22c55e;
}

.rs-cond {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  color: var(--color-text-secondary);
}
.rs-cond code {
  background: var(--color-bg-tertiary);
  border-radius: 3px;
  padding: 0 4px;
  font-size: 10px;
  font-family: var(--font-mono);
}
.rs-cond.rs-cond-assign code:first-child { color: #15803d; }
.rs-op {
  font-weight: 700;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 10px;
}

.rs-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  color: var(--color-text-muted);
  text-align: center;
  gap: 10px;
  font-size: 13px;
}
.rs-empty i { font-size: 32px; opacity: .4; }

.rs-footer {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 14px;
  border-top: 1px solid var(--color-border);
  flex-shrink: 0;
}

.rs-btn-clear {
  background: #fef2f2;
  color: #dc2626;
  border: 1px solid #fca5a5;
}
.rs-btn-clear:hover { background: #fee2e2; }

/* ── Slot de regla en panel de nodo ── */

.rs-node-slot { margin-bottom: 8px; }

.rs-assigned-rule {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 8px;
  border-radius: 6px;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
}

.rs-assigned-code {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.rs-edit-icon, .rs-del-icon {
  cursor: pointer;
  color: var(--color-text-hint);
  font-size: 13px;
  padding: 2px;
  border-radius: 3px;
  flex-shrink: 0;
}
.rs-edit-icon:hover { color: var(--color-primary); }
.rs-del-icon:hover  { color: var(--color-danger); }

/* ── Responsive ─────────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .wf-designer { grid-template-columns: 110px 1fr 200px; }
}

@media (max-width: 900px) {
  /* Panel de propiedades se convierte en overlay inferior */
  .wf-designer {
    grid-template-columns: 110px 1fr;
    grid-template-rows: 1fr auto;
  }
  .wf-detail {
    grid-column: 1 / -1;
    max-height: 220px;
    border-top: 1px solid var(--color-border);
    overflow-y: auto;
  }
}

@media (max-width: 768px) {
  .wf-designer {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr auto;
  }
  .wf-palette { display: none; }
  .wf-detail {
    grid-column: 1;
    max-height: 200px;
  }
}

/* ── Toggle panel de propiedades ─────────────────────────────── */
.wf-designer.wf-detail--hidden {
  grid-template-columns: 130px 1fr;
}
.wf-designer.wf-detail--hidden .wf-detail { display: none; }

@media (max-width: 1100px) {
  .wf-designer.wf-detail--hidden { grid-template-columns: 110px 1fr; }
}