/* ============================================================================
   MODERN BLACK & WHITE CRM REDESIGN - COMPREHENSIVE OVERRIDE
   ============================================================================
   This override maintains exact structure and sizes while transforming the
   visual design to a modern, smooth, black & white aesthetic similar to Vercel.
   ========================================================================== */

/* ============================================================================
   ROOT VARIABLES - Modern Color System
   ========================================================================== */
:root {
  /* Primary Colors - Black & White Modern */
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --bg-tertiary: #f0f2f5;
  --bg-quaternary: #e8eaed;
  
  /* Text Colors - Refined Hierarchy */
  --text-primary: #1a1a1a;
  --text-secondary: #4a4a4a;
  --text-tertiary: #7a7a7a;
  --text-quaternary: #a0a0a0;
  --text-disabled: #d0d0d0;
  
  /* Accent Colors - Modern & Minimal */
  --accent-primary: #0066ff;
  --accent-primary-light: #e6f0ff;
  --accent-primary-dark: #0052cc;
  --accent-secondary: #6b7280;
  --accent-secondary-light: #f3f4f6;
  
  /* Borders & Dividers */
  --border-light: #e5e7eb;
  --border-medium: #d1d5db;
  --border-dark: #9ca3af;
  
  /* Shadows - Subtle & Modern */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  
  /* Status Colors */
  --status-success: #10b981;
  --status-warning: #f59e0b;
  --status-error: #ef4444;
  --status-info: #3b82f6;
}

/* ============================================================================
   GLOBAL RESETS & BASE STYLES
   ========================================================================== */
* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
    sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================================================================
   LAYOUT STRUCTURE - Main Container
   ========================================================================== */
.main-container {
  display: flex;
  height: 100vh;
  background-color: var(--bg-primary);
}

/* ============================================================================
   SIDEBAR - Modern & Clean
   ========================================================================== */
.sidebar {
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: all 0.3s ease;
}

.sidebar-header {
  padding: 20px 16px;
  border-bottom: 1px solid var(--border-light);
  background-color: var(--bg-primary);
}

.sidebar-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin: 0;
}

.sidebar-content {
  flex: 1;
  overflow-y: auto;
  padding: 12px 0;
}

.sidebar-item {
  padding: 12px 16px;
  margin: 4px 8px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  color: var(--text-secondary);
  font-size: 14px;
  border: 1px solid transparent;
}

.sidebar-item:hover {
  background-color: var(--accent-primary-light);
  color: var(--accent-primary);
  border-color: var(--accent-primary);
}

.sidebar-item.active {
  background-color: var(--accent-primary);
  color: white;
  font-weight: 500;
  border-color: var(--accent-primary);
}

/* ============================================================================
   CHAT HEADER - Preserved Structure with Modern Styling
   ========================================================================== */
.chat-header {
  padding: 0 24px;
  border-bottom: 1px solid var(--border-light);
  background-color: var(--bg-primary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
  height: 100px;
  transition: all 0.3s ease;
}

.chat-info {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-grow: 1;
  min-width: 0;
  flex-wrap: wrap;
}

.user-id-display {
  font-weight: 600;
  font-size: 15px;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  letter-spacing: -0.3px;
}

.model-badge,
.flow-badge {
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 12px;
  font-weight: 500;
  white-space: nowrap;
  letter-spacing: 0.3px;
  border: 1px solid transparent;
  transition: all 0.2s ease;
}

.model-badge {
  color: var(--accent-primary);
  background-color: var(--accent-primary-light);
  border-color: #bfdbfe;
}

.flow-badge {
  color: var(--accent-secondary);
  background-color: var(--accent-secondary-light);
  border-color: var(--border-light);
}

.sentiment-badge,
.intent-badge {
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 6px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  border: 1px solid var(--border-light);
  background-color: var(--bg-tertiary);
  color: var(--text-secondary);
}

.chat-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-shrink: 0;
}

.chat-action-btn {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.chat-action-btn:hover {
  background-color: var(--accent-primary);
  color: white;
  border-color: var(--accent-primary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.chat-action-btn:active {
  transform: translateY(0);
}

/* ============================================================================
   AGENT SWITCH - Modern Toggle
   ========================================================================== */
.agent-switch {
  margin-left: 12px;
}

.switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
  vertical-align: middle;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background-color: var(--border-medium);
  transition: all 0.3s ease;
  border-radius: 12px;
  border: 1px solid var(--border-light);
}

.slider:before {
  content: '';
  position: absolute;
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 2px;
  background-color: white;
  transition: all 0.3s ease;
  border-radius: 6px;
  box-shadow: var(--shadow-xs);
}

input:checked + .slider {
  background-color: var(--accent-primary);
  border-color: var(--accent-primary);
}

input:checked + .slider:before {
  transform: translateX(20px);
}

/* ============================================================================
   MESSAGE CONTAINER & LIST
   ========================================================================== */
.message-list-container {
  flex: 1;
  overflow-y: auto;
  padding: 20px 24px;
  background-color: var(--bg-primary);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.message-list-container::-webkit-scrollbar {
  width: 8px;
}

.message-list-container::-webkit-scrollbar-track {
  background: transparent;
}

.message-list-container::-webkit-scrollbar-thumb {
  background: var(--border-medium);
  border-radius: 4px;
  transition: background 0.2s ease;
}

.message-list-container::-webkit-scrollbar-thumb:hover {
  background: var(--border-dark);
}

/* ============================================================================
   MESSAGES - Modern & Smooth
   ========================================================================== */
.message {
  display: flex;
  max-width: 80%;
  position: relative;
  animation: message-fade-in 0.3s ease-out forwards;
  gap: 8px;
}

@keyframes message-fade-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.message .avatar {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
}

.message .content {
  border: none;
  padding: 12px 16px;
  border-radius: 12px;
  position: relative;
  width: fit-content;
  max-width: 100%;
  line-height: 1.5;
  background-color: var(--bg-tertiary);
  box-shadow: var(--shadow-xs);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
  transition: all 0.2s ease;
}

.message .content:hover {
  box-shadow: var(--shadow-sm);
}

.message .content .message-text {
  white-space: pre-wrap;
  font-size: 14px;
  word-break: break-word;
  color: var(--text-primary);
  margin: 0;
}

/* Timestamp fijo debajo de la burbuja */
.message {
  flex-direction: column;
  align-items: flex-start;
}

.message.model,
.message.human-agent {
  align-items: flex-end; /* los del modelo/humano a la derecha */
}

.message .content {
  margin-bottom: 4px; /* separa la burbuja del timestamp */
}

.message .timestamp {
  position: static;        /* deja de flotar */
  margin-top: 2px;
  align-self: flex-start;  /* usuario a la izquierda */
  font-size: 0.75em;
  line-height: 1;
  color: var(--text-placeholder);
  white-space: nowrap;
  font-weight: 500;
  opacity: 1;
}

/* Ajustes de alineación por tipo */
.message.model .timestamp,
.message.human-agent .timestamp {
  align-self: flex-end;  /* modelo/humano a la derecha */
}

.message:hover .timestamp {
  opacity: 1;
}

/* User Messages - Keep Original Blue */
.message.user {
  align-self: flex-start;
  justify-content: flex-start;
}

.message.user .content {
  background-color: #0066ff;
  color: white;
  border-radius: 12px 12px 12px 4px;
  box-shadow: 0 2px 8px rgba(0, 102, 255, 0.15);
}

.message.user .content:hover {
  box-shadow: 0 4px 12px rgba(0, 102, 255, 0.25);
}

.message.user .content .message-text {
  color: white;
}

/* Model Messages */
.message.model,
.message.human-agent {
  align-self: flex-end;
  justify-content: flex-end;
}

.message.model .content {
  background-color: var(--bg-quaternary);
  color: var(--text-primary);
  border-radius: 12px 12px 4px 12px;
  border: 1px solid var(--border-light);
}

.message.model .content .message-text {
  color: var(--text-primary);
}

/* Human Agent Messages */
.message.human-agent .content {
  background-color: #e1fff0;
  border-radius: 12px 12px 4px 12px;
  border: 1px solid #a7f3d0;
}

.message.human-agent .timestamp {
  color: #059669;
  bottom: 8px;
  left: 16px;
}

/* System Messages */
.message.system_intermediate {
  align-self: center;
  max-width: 90%;
  font-size: 13px;
  text-align: center;
  justify-content: center;
}

.message.system_intermediate .content {
  border: 1px dashed var(--border-medium);
  background-color: var(--accent-primary-light);
  color: var(--accent-primary);
  padding: 10px 16px;
  box-shadow: none;
  border-radius: 8px;
}

.message.system_intermediate.is-warning .content {
  background-color: #fef3c7;
  color: #92400e;
  border-color: #fcd34d;
}

.message.system_intermediate .timestamp {
  display: none;
}

/* ============================================================================
   FUNCTION CALLS & RESULTS
   ========================================================================== */
.message.function_call,
.message.function_result {
  align-self: stretch;
  max-width: 100%;
  border: 1px solid var(--border-light);
  border-left: 4px solid var(--accent-primary);
  padding: 16px;
  background-color: var(--bg-secondary);
  border-radius: 8px;
  margin: 8px 0;
  box-shadow: var(--shadow-xs);
  transition: all 0.2s ease;
}

.message.function_call:hover,
.message.function_result:hover {
  box-shadow: var(--shadow-sm);
  border-left-color: var(--accent-primary-dark);
}

.message.function_result {
  max-width: 60%;
  border-left-color: var(--status-success);
}

.message.function_call .content,
.message.function_result .content {
  border: none;
  padding: 0;
  background: none;
  box-shadow: none;
  width: 100%;
}

.function-header {
  font-weight: 600;
  font-size: 13px;
  color: var(--text-primary);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.function-code-block {
  position: relative;
  margin-top: 12px;
}

.function-code-block pre {
  background-color: #1a1a1a;
  border: 1px solid var(--border-dark);
  font-size: 12px;
  margin: 0;
  color: #e5e7eb;
  max-height: 150px;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
  border-radius: 6px;
  padding: 12px;
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  line-height: 1.5;
}

.function-code-block pre.expanded {
  max-height: 500px;
  overflow-y: auto;
}

.expand-code-btn {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background-color: rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #e5e7eb;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 11px;
  cursor: pointer;
  z-index: 1;
  opacity: 0.8;
  transition: all 0.2s ease;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.expand-code-btn:hover {
  opacity: 1;
  background-color: rgba(0, 0, 0, 0.8);
  border-color: rgba(255, 255, 255, 0.4);
}

.message.function_call .timestamp,
.message.function_result .timestamp {
  position: absolute;
  bottom: 8px;
  right: 16px;
  opacity: 0.7;
}

/* ============================================================================
   INPUT AREA - Modern & Clean
   ========================================================================== */
.manual-input-area {
  padding: 16px 24px;
  background-color: var(--bg-primary);
  border-top: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

#manual-message-input,
#dev-message-input {
  flex-grow: 1;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
  transition: all 0.2s ease;
  min-height: 40px;
  resize: none;
}

#manual-message-input:focus,
#dev-message-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  background-color: var(--bg-primary);
  box-shadow: 0 0 0 3px var(--accent-primary-light);
}

#manual-message-input::placeholder,
#dev-message-input::placeholder {
  color: var(--text-quaternary);
}

#send-manual-message-btn,
#send-dev-message-btn {
  width: 100px;
  height: 40px;
  border-radius: 8px;
  background-color: var(--accent-primary);
  color: white;
  border: none;
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

#send-manual-message-btn:hover,
#send-dev-message-btn:hover {
  background-color: var(--accent-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

#send-manual-message-btn:active,
#send-dev-message-btn:active {
  transform: translateY(0);
}

/* ============================================================================
   DEV PANEL - Modern Styling
   ========================================================================== */
.dev-panel {
  width: 320px;
  background-color: var(--bg-secondary);
  border-left: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: all 0.3s ease;
}

.dev-panel-header {
  padding: 16px;
  border-bottom: 1px solid var(--border-light);
  background-color: var(--bg-primary);
  font-weight: 600;
  font-size: 13px;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.dev-panel-content {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
}

.dev-section {
  margin-bottom: 16px;
}

.dev-section-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.4px;
  margin-bottom: 8px;
  padding: 0 8px;
}

.dev-item {
  padding: 8px 12px;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: 6px;
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 6px;
  transition: all 0.2s ease;
  cursor: pointer;
}

.dev-item:hover {
  background-color: var(--accent-primary-light);
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

/* ============================================================================
   FLOW EDITOR - Modern Panel
   ========================================================================== */
.flow-editor {
  width: 350px;
  background-color: var(--bg-secondary);
  border-left: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: all 0.3s ease;
}

.flow-editor-header {
  padding: 16px;
  border-bottom: 1px solid var(--border-light);
  background-color: var(--bg-primary);
  font-weight: 600;
  font-size: 13px;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.flow-editor-content {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
}

.flow-node {
  padding: 12px;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  margin-bottom: 8px;
  transition: all 0.2s ease;
  cursor: pointer;
}

.flow-node:hover {
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-sm);
  background-color: var(--accent-primary-light);
}

.flow-node.active {
  border-color: var(--accent-primary);
  background-color: var(--accent-primary-light);
  box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

.flow-node-title {
  font-weight: 600;
  font-size: 13px;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.flow-node-description {
  font-size: 12px;
  color: var(--text-quaternary);
}

/* ============================================================================
   PROMPT EDITOR - Modern Styling
   ========================================================================== */
.prompt-editor {
  width: 380px;
  background-color: var(--bg-secondary);
  border-left: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: all 0.3s ease;
}

.prompt-editor-header {
  padding: 16px;
  border-bottom: 1px solid var(--border-light);
  background-color: var(--bg-primary);
  font-weight: 600;
  font-size: 13px;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.prompt-editor-content {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
}

.prompt-field {
  margin-bottom: 12px;
}

.prompt-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.prompt-input {
  width: 100%;
  padding: 8px 12px;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: 6px;
  font-size: 12px;
  color: var(--text-primary);
  font-family: inherit;
  transition: all 0.2s ease;
  resize: vertical;
  min-height: 32px;
}

.prompt-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-primary-light);
  background-color: var(--bg-primary);
}

/* ============================================================================
   MODALS & DIALOGS - Modern Design
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  animation: fade-in 0.2s ease-out;
}

@keyframes fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.modal {
  background-color: var(--bg-primary);
  border-radius: 12px;
  box-shadow: 0 20px 25px rgba(0, 0, 0, 0.15);
  max-width: 800px;
  width: 90%;
  animation: slide-up 0.3s ease-out;
  border: 1px solid var(--border-light);
}

@keyframes slide-up {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-light);
  font-weight: 600;
  font-size: 16px;
  color: var(--text-primary);
}

.modal-content {
  padding: 20px 24px;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.6;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-light);
  display: flex;
  gap: 12px;
  justify-content: flex-end;
}

.modal-btn {
  padding: 8px 16px;
  border-radius: 6px;
  font-weight: 500;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}

.modal-btn-primary {
  background-color: var(--accent-primary);
  color: white;
  border-color: var(--accent-primary);
}

.modal-btn-primary:hover {
  background-color: var(--accent-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.modal-btn-secondary {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  border-color: var(--border-light);
}

.modal-btn-secondary:hover {
  background-color: var(--bg-quaternary);
  border-color: var(--border-medium);
}

/* ============================================================================
   TABLES & LISTS - Modern Styling
   ========================================================================== */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

thead {
  background-color: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-light);
}

th {
  padding: 12px;
  text-align: left;
  font-weight: 600;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.3px;
  font-size: 12px;
}

td {
  padding: 12px;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-secondary);
}

tbody tr:hover {
  background-color: var(--bg-tertiary);
  transition: background-color 0.2s ease;
}

tbody tr:last-child td {
  border-bottom: none;
}

/* ============================================================================
   BADGES & TAGS - Modern Design
   ========================================================================== */
.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.3px;
  transition: all 0.2s ease;
}

.badge-primary {
  background-color: var(--accent-primary-light);
  color: var(--accent-primary);
  border: 1px solid #bfdbfe;
}

.badge-success {
  background-color: #d1fae5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.badge-warning {
  background-color: #fef3c7;
  color: #92400e;
  border: 1px solid #fcd34d;
}

.badge-error {
  background-color: #fee2e2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

/* ============================================================================
   BUTTONS - Modern & Consistent
   ========================================================================== */
button {
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s ease;
  border-radius: 8px;
  font-weight: 500;
  font-size: 13px;
  border: 1px solid transparent;
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background-color: var(--accent-primary);
  color: white;
  padding: 8px 16px;
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--accent-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.btn-secondary {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  border-color: var(--border-light);
  padding: 8px 16px;
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--bg-quaternary);
  border-color: var(--border-medium);
}

.btn-ghost {
  background-color: transparent;
  color: var(--text-secondary);
  border-color: transparent;
  padding: 8px 12px;
}

.btn-ghost:hover:not(:disabled) {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

/* ============================================================================
   SCROLLBARS - Modern & Subtle
   ========================================================================== */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border-medium);
  border-radius: 4px;
  transition: background 0.2s ease;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--border-dark);
}

/* ============================================================================
   RESPONSIVE DESIGN - Mobile & Tablet
   ========================================================================== */
@media (max-width: 1024px) {
  .sidebar {
    width: 240px;
  }

  .dev-panel,
  .flow-editor,
  .prompt-editor {
    width: 280px;
  }

  .message {
    max-width: 85%;
  }
}

@media (max-width: 768px) {
  .main-container {
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
    height: auto;
    max-height: 200px;
    border-right: none;
    border-bottom: 1px solid var(--border-light);
    flex-direction: row;
    overflow-x: auto;
  }

  .sidebar-content {
    flex-direction: row;
    padding: 0 12px;
  }

  .dev-panel,
  .flow-editor,
  .prompt-editor {
    display: none;
  }

  .chat-header {
    padding: 0 16px;
    height: 56px;
  }

  .chat-info {
    gap: 8px;
  }

  .user-id-display {
    font-size: 14px;
  }

  .model-badge,
  .flow-badge {
    font-size: 11px;
    padding: 3px 8px;
  }

  .message {
    max-width: 90%;
  }

  .message-list-container {
    padding: 16px 12px;
  }

  .manual-input-area {
    padding: 12px 16px;
    gap: 8px;
  }

  #manual-message-input,
  #dev-message-input {
    min-height: 36px;
    font-size: 13px;
  }

  #send-manual-message-btn,
  #send-dev-message-btn {
    width: 80px;
    height: 36px;
    font-size: 12px;
  }
}

@media (max-width: 480px) {
  .chat-header {
    padding: 0 12px;
    height: 52px;
  }

  .chat-info {
    gap: 6px;
    flex-wrap: wrap;
  }

  .user-id-display {
    font-size: 13px;
  }

  .model-badge,
  .flow-badge {
    font-size: 10px;
    padding: 2px 6px;
  }

  .message {
    max-width: 95%;
  }

  .message .content {
    padding: 10px 12px;
    font-size: 13px;
  }

  .message-list-container {
    padding: 12px 8px;
    gap: 8px;
  }

  .manual-input-area {
    padding: 10px 12px;
    gap: 6px;
  }

  #manual-message-input,
  #dev-message-input {
    min-height: 32px;
    font-size: 12px;
    padding: 6px 10px;
  }

  #send-manual-message-btn,
  #send-dev-message-btn {
    width: 70px;
    height: 32px;
    font-size: 11px;
  }
}

/* ============================================================================
   ANIMATIONS & TRANSITIONS - Smooth & Modern
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ============================================================================
   UTILITY CLASSES - Helper Styles
   ========================================================================== */
.hidden {
  display: none !important;
}

.visible {
  display: block !important;
}

.opacity-50 {
  opacity: 0.5;
}

.opacity-75 {
  opacity: 0.75;
}

.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

.text-left {
  text-align: left;
}

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.gap-2 {
  gap: 8px;
}

.gap-4 {
  gap: 16px;
}

.gap-6 {
  gap: 24px;
}

.p-2 {
  padding: 8px;
}

.p-4 {
  padding: 16px;
}

.p-6 {
  padding: 24px;
}

.m-0 {
  margin: 0;
}

.mt-2 {
  margin-top: 8px;
}

.mb-2 {
  margin-bottom: 8px;
}

.rounded {
  border-radius: 8px;
}

.rounded-lg {
  border-radius: 12px;
}

.shadow-sm {
  box-shadow: var(--shadow-sm);
}

.shadow-md {
  box-shadow: var(--shadow-md);
}

.border {
  border: 1px solid var(--border-light);
}

.border-t {
  border-top: 1px solid var(--border-light);
}

.border-b {
  border-bottom: 1px solid var(--border-light);
}

.border-l {
  border-left: 1px solid var(--border-light);
}

.border-r {
  border-right: 1px solid var(--border-light);
}

/* ============================================================================
   END OF MODERN BLACK & WHITE CRM REDESIGN
   ========================================================================== */

   /* ================================
   REDISEÑO COMPLETO BLACK & WHITE MODERNO
   ================================ */

:root {
  /* Paleta Black & White Moderna */
  --bg-main: #FFFFFF;
  --bg-sidebar: #F8F8F8;
  --bg-header: #FFFFFF;
  --bg-panel: #FFFFFF;
  --bg-input: #F5F5F5;
  --bg-logs: #F0F0F0;
  --bg-hover-light: #F5F5F5;
  --bg-active: #E8E8E8;
  --bg-code: #F3F3F3;
  --bg-canvas: #FAFAFA;
  --bg-editor-sidebar: #F9F9F9;
  --bg-panel-light: #FAFAFA;
  --bg-color-light: #F5F5F5;
  --bg-color-hover: #F0F0F0;
  --bg-color-darker: #EEEEEE;
  --bg-color-slightly-lighter: #FCFCFC;
  --bg-color-code: #F3F3F3;

  /* Texto */
  --text-primary: #000000;
  --text-secondary: #666666;
  --text-tertiary: #999999;
  --text-placeholder: #CCCCCC;
  --text-muted: #888888;
  --text-on-accent: #FFFFFF;
  --text-monospace: #1A1A1A;

  /* Acentos */
  --accent-primary: #000000;
  --accent-primary-rgb: 0, 0, 0;
  --accent-user: #000000;
  --accent-user-rgb: 0, 0, 0;
  --accent-ai: #333333;
  --accent-ai-rgb: 51, 51, 51;
  --accent-system: #555555;
  --accent-system-rgb: 85, 85, 85;
  --accent-function: #222222;
  --accent-function-rgb: 34, 34, 34;
  --accent-error: #D32F2F;
  --accent-error-rgb: 211, 47, 47;
  --accent-warning: #F57C00;
  --accent-warning-rgb: 245, 124, 0;
  --accent-success: #388E3C;
  --accent-success-rgb: 56, 142, 60;
  --accent-info: #1976D2;
  --accent-info-rgb: 25, 118, 210;
  --accent-human: #424242;
  --accent-human-rgb: 66, 66, 66;
  --accent-dev: #212121;
  --accent-dev-rgb: 33, 33, 33;
  --accent-flow: #1A1A1A;
  --accent-flow-rgb: 26, 26, 26;
  --accent-secondary: #555555;
  --accent-secondary-rgb: 85, 85, 85;

  /* Bordes */
  --border-color: #E0E0E0;
  --border-color-strong: #D0D0D0;
  --border-color-light: #F0F0F0;
  --border-color-extralight: #F5F5F5;
  --border-color-accent: #000000;
  --border-width: 1px;
  --border-radius: 6px;
  --border-radius-sm: 4px;
  --border-radius-lg: 10px;
  --border-radius-xl: 14px;
  --border-dashed: rgba(0, 0, 0, 0.1);

  /* Sombras minimalistas */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 2px 4px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-strong: 0 8px 24px rgba(0, 0, 0, 0.12);
  --shadow-panel: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-sidebar: 2px 0 8px rgba(0, 0, 0, 0.04);
  --shadow-glow: rgba(0, 0, 0, 0.08);
  --shadow-focus-ring: 0 0 0 3px rgba(0, 0, 0, 0.1);

  /* Tipografía */
  --font-family-main: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-family-mono: "SFMono-Regular", Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --font-size-xs: 12px;
  --font-size-sm: 14px;
  --font-size-base: 16px;
  --font-size-lg: 18px;
  --font-size-xl: 20px;
  --font-size-2xl: 24px;
  --font-size-3xl: 30px;
  --line-height-base: 1.6;
  --line-height-tight: 1.4;
  --line-height-relaxed: 1.75;

  /* Espaciado */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 12px;
  --spacing-lg: 16px;
  --spacing-xl: 24px;
  --spacing-2xl: 32px;
  --spacing-3xl: 48px;
  --spacing-unit: 8px;
  --spacing-half: 4px;
  --spacing-double: 16px;
  --space: 10px;

  /* Dimensiones */
  --sidebar-width: 800px;
  --header-height: 56px;
  --input-area-height: 90px;
  --dev-panel-width: 500px;
  --scrollbar-width: 6px;
  --log-area-min-height: 50px;
  --log-area-default-height: 60px;

  /* Transiciones */
  --transition-fast: 150ms ease-out;
  --transition-base: 200ms ease-out;
  --transition-slow: 350ms ease-out;

  /* Status */
  --status-success: #388E3C;
  --status-warning: #F57C00;
  --status-danger: #D32F2F;
  --status-info: #1976D2;
  --status-unknown: #999999;
  --status-success-rgb: 56, 142, 60;
  --status-warning-rgb: 245, 124, 0;
  --status-danger-rgb: 211, 47, 47;
  --status-info-rgb: 25, 118, 210;
  --status-success-bg: rgba(56, 142, 60, 0.1);
  --status-danger-bg: rgba(211, 47, 47, 0.1);
  --status-warning-bg: rgba(245, 124, 0, 0.1);

  /* Aliases */
  --bg-page: var(--bg-main);
  --bg-surface: var(--bg-panel);
  --text-color: var(--text-primary);
  --text-color-primary: var(--text-primary);
  --text-color-secondary: var(--text-secondary);
  --text-color-faded: var(--text-tertiary);
  --text-color-light: var(--text-secondary);
  --text-color-code: var(--text-monospace);
  --accent-color: var(--accent-user);
  --accent-color-dark: #000000;
  --accent-color-x-light: rgba(0, 0, 0, 0.05);
  --accent-color-primary: var(--accent-user);
  --accent-color-info: var(--accent-secondary);
  --accent-primary-light: rgba(0, 0, 0, 0.05);
  --accent-secondary-light: rgba(85, 85, 85, 0.1);
  --accent-secondary-dark: #555555;
  --accent-secondary-darker: #333333;
  --focus-glow: rgba(0, 0, 0, 0.08);
  --hover-bg-color: var(--bg-hover-light);
  --bg-color: var(--bg-panel);
  --bg-color-dark: var(--bg-main);
  --bg-color-input: var(--bg-input);
  --background-color: var(--bg-panel);
  --background-color-light: var(--bg-color-light);
  --background-color-hover: var(--bg-color-hover);
  --background-color-soft: var(--bg-panel-light);
  --background-color-lighter: var(--bg-color-slightly-lighter);
  --sidebar-bg: var(--bg-sidebar);
  --node-bg: #FFFFFF;
  --node-border: var(--border-color-strong);
  --node-border-selected: var(--accent-primary);
  --node-text: var(--text-primary);
  --node-title-bg: var(--bg-sidebar);
  --manual-input-area-height: var(--input-area-height);
  --base-font-size: 14.5px;
  --radius-lg: 12px;
  --radius-md: 8px;
  --radius-sm: 6px;
  --success: #388E3C;
  --warning: #F57C00;
  --danger: #D32F2F;
}

/* ... existing code ... */

/* <CHANGE> Mensajes del usuario: NEGRO con letras blancas */
.message.user .content {
  background-color: #000000;
  color: #FFFFFF;
  border-top-right-radius: var(--border-radius-sm);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.message.user .timestamp {
  color: rgba(255, 255, 255, 0.8);
  right: var(--spacing-lg);
  bottom: var(--spacing-md);
  font-weight: 500;
}

.message.user .content .message-text {
  color: #FFFFFF;
}

/* <CHANGE> Fecha en mensajes del modelo - mejor posicionada */
.message.model .timestamp {
  color: var(--text-secondary);
  left: var(--spacing-lg);
  bottom: var(--spacing-md);
  font-weight: 500;
}

.message.human-agent .timestamp {
  color: var(--text-secondary);
  left: var(--spacing-lg);
  bottom: var(--spacing-md);
  font-weight: 500;
}

/* <CHANGE> Ticks de visto - mejor posicionados */
.message-status-ticks {
  display: inline-block;
  margin-left: 6px;
  font-size: 1.2em;
  vertical-align: middle;
}

.status-read {
  color: #1976D2;
}

.status-sent,
.status-delivered {
  color: rgba(255, 255, 255, 0.7);
}

.status-failed {
  color: #D32F2F;
}

/* <CHANGE> Modal - sin bloqueos, clickeable fuera */
.modal {
  display: none;
  position: fixed;
  z-index: 1050;
  left: 0px !important;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(2px);
  animation: fadeInModal 0.25s ease-out;
  pointer-events: auto;
}

.modal.show {
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-content {
  background-color: var(--bg-panel);
  margin: auto;
  padding: var(--spacing-2xl);
  border: 1px solid var(--border-color);
  width: 90%;
  max-width: 1000px;
  border-radius: var(--border-radius-lg);
  position: relative;
  box-shadow: var(--shadow-strong);
  animation: slideInModal 0.3s ease-out;
  max-height: 85vh;
  overflow-y: auto;
  pointer-events: auto;
}

/* <CHANGE> Permitir cerrar modal al hacer click fuera */
.modal.show::backdrop {
  pointer-events: auto;
}

/* ... existing code ... */

/* <CHANGE> Estilos Black & White drásticos para todo */

/* Sidebar */
.sidebar {
  background-color: #FFFFFF;
  border-right: 1px solid #E0E0E0;
}

.sidebar-header {
  background-color: #FFFFFF;
  border-bottom: 1px solid #E0E0E0;
}

.sidebar-header h1 {
  color: #000000;
  font-weight: 700;
}

.session-filter {
  background-color: #FFFFFF;
  border-bottom: 1px solid #E0E0E0;
}

#session-search {
  background-color: #F5F5F5;
  border: 1px solid #E0E0E0;
  color: #000000;
}

#session-search::placeholder {
  color: #CCCCCC;
}

.session-list li {
  background-color: transparent;
  border-bottom: 1px solid #F0F0F0;
  transition: background-color var(--transition-fast);
}

.session-list li:hover {
  background-color: #F8F8F8;
}

.session-list li.active {
  background-color: #F0F0F0;
  border-left-color: #000000;
}

.session-list li .session-id {
  color: #000000;
  font-weight: 600;
}

.session-list li.active .session-id {
  color: #000000;
  font-weight: 700;
}

.session-meta {
  color: #999999;
  font-weight: 500;
}

/* Chat Header */
.chat-header {
  background-color: #FFFFFF;
  border-bottom: 1px solid #E0E0E0;
}

.user-id-display {
  color: #000000;
  font-weight: 700;
}

.model-badge,
.flow-badge {
  background-color: #F5F5F5;
  color: #333333;
  border: 1px solid #E0E0E0;
  font-weight: 500;
}

.chat-action-btn {
  background-color: transparent;
  border: 1px solid #E0E0E0;
  color: #666666;
  transition: all var(--transition-fast);
}

.chat-action-btn:hover {
  background-color: #F5F5F5;
  border-color: #000000;
  color: #000000;
}

/* Mensajes */
.message-list-container {
  background-color: #FFFFFF;
  padding: var(--spacing-xl);
}

.message .content {
  background-color: #F5F5F5;
  color: #000000;
  border: 1px solid #E0E0E0;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
  border-radius: var(--border-radius-lg);
}

.message .content .message-text {
  color: #000000;
  font-size: 0.98em;
  line-height: var(--line-height-tight);
}

.message.model .content {
  border: 1px solid #E0E0E0;
  border-top-right-radius: var(--border-radius-sm);
}

.message.human-agent .content {
  border: 1px solid #E0E0E0;
}

.message.system_intermediate .content {
  background-color: transparent;
  border: 1px dashed #D0D0D0;
  color: #666666;
}

/* Input Area */
.manual-input-area {
  background-color: #FFFFFF;
  border-top: 1px solid #E0E0E0;
  padding: var(--spacing-lg);
}

#manual-message-input,
#dev-message-input {
  background-color: #F5F5F5;
  border: 1px solid #E0E0E0;
  color: #000000;
  font-size: 0.95em;
}

#manual-message-input::placeholder,
#dev-message-input::placeholder {
  color: #CCCCCC;
}

#send-manual-message-btn,
#send-dev-message-btn {
  background-color: #000000;
  color: #FFFFFF;
  border: none;
  font-weight: 600;
  transition: all var(--transition-fast);
}

#send-manual-message-btn:hover,
#send-dev-message-btn:hover {
  background-color: #333333;
}

#send-manual-message-btn:active,
#send-dev-message-btn:active {
  transform: scale(0.95);
}

/* System Logs */
.system-logs {
  background-color: #F5F5F5;
  border-top: 1px solid #E0E0E0;
  color: #666666;
}

.log-header {
  background-color: #FFFFFF;
  border-bottom: 1px solid #E0E0E0;
  color: #000000;
  font-weight: 600;
}

.log-list {
  background-color: #F5F5F5;
  color: #666666;
  font-family: var(--font-family-mono);
}

.log-level-INFO {
  color: #1976D2;
}

.log-level-SUCCESS {
  color: #388E3C;
}

.log-level-WARNING {
  color: #F57C00;
}

.log-level-ERROR {
  color: #D32F2F;
}

/* Dev Panel */
.dev-mode-container {
  background-color: #FFFFFF;
  border-left: 1px solid #E0E0E0;
}

.dev-tabs {
  background-color: #F8F8F8;
  border-bottom: 1px solid #E0E0E0;
}

.dev-tab-button {
  color: #666666;
  border-bottom: 3px solid transparent;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.dev-tab-button:hover {
  color: #000000;
  background-color: #F5F5F5;
}

.dev-tab-button.active {
  color: #000000;
  border-bottom-color: #000000;
  background-color: #FFFFFF;
}

.dev-panel {
  background-color: #FFFFFF;
  color: #000000;
}

.dev-panel-title {
  color: #000000;
  font-weight: 700;
  border-bottom: 1px solid #E0E0E0;
}

.config-item label {
  color: #000000;
  font-weight: 600;
}

.config-item input,
.config-item select,
.config-item textarea {
  background-color: #F5F5F5;
  border: 1px solid #E0E0E0;
  color: #000000;
}

.config-item input::placeholder,
.config-item textarea::placeholder {
  color: #CCCCCC;
}

.dev-action-btn {
  background-color: #F5F5F5;
  border: 1px solid #E0E0E0;
  color: #000000;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.dev-action-btn:hover {
  background-color: #E8E8E8;
  border-color: #000000;
}

.dev-action-btn.danger {
  border-color: #D32F2F;
  color: #D32F2F;
}

.dev-action-btn.danger:hover {
  background-color: rgba(211, 47, 47, 0.1);
}

/* Flow Editor */
.flow-editor-overlay {
  background-color: rgba(255, 255, 255, 0.95);
}

.flow-editor-header {
  background-color: #FFFFFF;
  border-bottom: 1px solid #E0E0E0;
}

.flow-editor-header h2 {
  color: #000000;
  font-weight: 700;
}

.drawflow-canvas {
  background-color: #FAFAFA;
  background-image:
    linear-gradient(#E0E0E0 1px, transparent 1px),
    linear-gradient(to right, #E0E0E0 1px, transparent 1px);
  background-size: 20px 20px;
}

.drawflow-node {
  background: #FFFFFF !important;
  border: 1px solid #E0E0E0 !important;
  color: #000000 !important;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06) !important;
}

.drawflow-node .node-title {
  background-color: #F8F8F8;
  border-bottom: 1px solid #E0E0E0;
  color: #000000;
  font-weight: 600;
}

.drawflow-node .node-content {
  color: #666666;
}

.flow-node-editor {
  background-color: #F9F9F9;
  border-left: 1px solid #E0E0E0;
}

.flow-node-editor h3 {
  color: #000000;
  font-weight: 700;
}

/* Prompt Editor */
.prompt-editor-overlay {
  background-color: rgba(255, 255, 255, 0.95);
}

.prompt-editor-header {
  background-color: #FFFFFF;
  border-bottom: 1px solid #E0E0E0;
}

.prompt-editor-header h2 {
  color: #000000;
  font-weight: 700;
}

.prompt-editor-section {
  background-color: #FFFFFF;
  border: 1px solid #E0E0E0;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.prompt-editor-section h3 {
  color: #000000;
  font-weight: 700;
  border-bottom: 1px solid #E0E0E0;
}

.prompt-section-item {
  background-color: #F8F8F8;
  border: 1px solid #E0E0E0;
}

.prompt-section-item textarea {
  background-color: #F5F5F5;
  border: 1px solid #E0E0E0;
  color: #000000;
}

/* Modales */
.modal-content {
  background-color: #FFFFFF;
  border: 1px solid #E0E0E0;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.modal h2 {
  color: #000000;
  font-weight: 700;
  border-bottom: 1px solid #E0E0E0;
}

.close-modal-btn {
  background-color: transparent;
  color: #999999;
  transition: all var(--transition-fast);
}

.close-modal-btn:hover {
  background-color: #F5F5F5;
  color: #D32F2F;
}

/* Tablas */
.table th {
  background-color: #F8F8F8;
  color: #000000;
  font-weight: 600;
  border-bottom: 1px solid #E0E0E0;
}

.table td {
  border-bottom: 1px solid #F0F0F0;
  color: #000000;
}

.table tbody tr:hover {
  background-color: #F8F8F8;
}

/* Code blocks */
pre, code {
  background-color: #F3F3F3;
  color: #1A1A1A;
  border: 1px solid #E0E0E0;
  font-family: var(--font-family-mono);
}

/* Badges */
.badge {
  background-color: #F0F0F0;
  color: #000000;
  border: 1px solid #E0E0E0;
}

/* Alerts */
.alert {
  border: 1px solid #E0E0E0;
}

.alert.success {
  background-color: rgba(56, 142, 60, 0.08);
  border-color: #388E3C;
  color: #388E3C;
}

.alert.warning {
  background-color: rgba(245, 124, 0, 0.08);
  border-color: #F57C00;
  color: #F57C00;
}

.alert.error {
  background-color: rgba(211, 47, 47, 0.08);
  border-color: #D32F2F;
  color: #D32F2F;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: var(--scrollbar-width);
  height: var(--scrollbar-width);
}

::-webkit-scrollbar-track {
  background: #F5F5F5;
}

::-webkit-scrollbar-thumb {
  background: #D0D0D0;
  border-radius: var(--scrollbar-width);
}

::-webkit-scrollbar-thumb:hover {
  background: #B0B0B0;
}


/* Estilos para el nuevo Modal de Ventas */
.modal-content.large-modal {
    max-width: 950px; /* Un poco más ancho para el grid */
}

.form-grid-3-cols {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.modal-form fieldset {
    border: 1px solid var(--border-color-light);
    border-radius: var(--border-radius);
    padding: 15px;
    margin: 0;
}

.modal-form legend {
    font-weight: 600;
    padding: 0 8px;
    font-size: 0.9em;
    color: var(--text-color-secondary);
}

.modal-form .config-item {
    margin-bottom: 15px;
}

.modal-form .config-item:last-child {
    margin-bottom: 0;
}

.modal-form .modal-actions {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 15px;
}

/* Estilos para Pestañas en Modales */
.modal-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 20px;
}

.modal-tabs .tab-link {
    padding: 10px 15px;
    cursor: pointer;
    border: none;
    background: none;
    color: var(--text-color-secondary);
    border-bottom: 3px solid transparent;
    font-weight: 500;
}

.modal-tabs .tab-link.active {
    color: var(--accent-color);
    border-bottom-color: var(--accent-color);
}

.modal-tab-content .tab-content {
    display: none;
}

.modal-tab-content .tab-content.active {
    display: block;
    animation: fadeIn 0.3s;
}

/* Layout para la Pestaña "Ver Ventas" */
.sales-view-layout {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 20px;
    min-height: 400px;
}

.sales-list-container {
    border-right: 1px solid var(--border-color);
    padding-right: 20px;
    overflow-y: auto;
}

.sales-list-container h4 {
    margin-top: 0;
    margin-bottom: 10px;
}

.sale-list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.sale-summary {
    font-size: 0.9em;
}

.sale-details-container {
    padding: 10px;
}

.sale-details-container h4 {
    margin-top: 0;
    border-bottom: 1px solid var(--border-color-light);
    padding-bottom: 8px;
    margin-bottom: 15px;
}

.details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 10px 20px;
    font-size: 0.9em;
}

.details-grid span {
    display: block;
}

.send-email-btn {
    padding: 6px 8px;
    font-size: 0.8em;
}

.sale-details-container h4 {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.sale-details-container h4 small {
    font-size: 0.6em;
    color: var(--text-tertiary);
    font-weight: normal;
}

.details-view-actions {
    margin-bottom: 15px;
    display: flex;
    gap: 10px;
}

.details-section {
    margin-bottom: 20px;
}

.details-section h5 {
    margin-top: 0;
    margin-bottom: 10px;
    font-size: 1em;
    color: var(--text-color-secondary);
    border-bottom: 1px solid var(--border-color-light);
    padding-bottom: 5px;
}

.details-section h5 i {
    margin-right: 8px;
    color: var(--accent-color);
}

.details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 8px 15px;
    font-size: 0.9em;
}

.details-grid span {
    display: block;
    line-height: 1.4;
}

.details-grid strong {
    color: var(--text-color-primary);
    margin-right: 5px;
}

.details-grid .status-badge {
    display: inline-block;
    padding: 3px 8px;
    border-radius: var(--border-radius-small);
    background-color: var(--bg-color-light);
    font-weight: 600;
}

.sale-details-container h4 {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.sale-details-container h4 small {
    font-size: 0.6em;
    color: var(--text-tertiary);
    font-weight: normal;
}

.details-view-actions {
    margin-bottom: 15px;
    display: flex;
    gap: 10px;
}

.details-section {
    margin-bottom: 20px;
    background-color: var(--bg-color-light);
    padding: 15px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color-light);
}

.details-section h5 {
    margin-top: 0;
    margin-bottom: 12px;
    font-size: 1.05em;
    color: var(--text-color-secondary);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
}

.details-section h5 i {
    margin-right: 8px;
    color: var(--accent-color);
}

.details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 10px 20px;
    font-size: 0.9em;
}

.details-grid span {
    display: block;
    line-height: 1.5;
    padding: 4px 0;
}

.details-grid strong {
    color: var(--text-color-primary);
    margin-right: 8px;
    display: inline-block;
    width: 120px; /* Alineación */
}

.details-grid .status-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: var(--border-radius-small);
    background-color: var(--bg-color-darker);
    font-weight: 600;
}

.form-actions-header {
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
    text-align: right;
}

.dev-action-btn.info {
    background-color: var(--status-info);
    border-color: var(--status-info);
    color: white;
}
.dev-action-btn.info:hover {
    background-color: #1565C0; /* Un azul más oscuro */
}

/* Estilos para las previsualizaciones de archivos */
.file-preview-container {
    margin-top: 10px;
    border: 1px solid var(--border-color-light);
    border-radius: var(--border-radius);
    padding: 10px;
    background-color: var(--bg-color-darker);
}

#sale-payment-screenshots-preview {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 10px;
}

.preview-image {
    width: 100%;
    height: 100px;
    object-fit: cover;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
}

.preview-pdf {
    width: 100%;
    height: 150px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
}

.form-actions-header { margin-bottom: 20px; text-align: right; }
.config-item.with-addon .input-wrapper { display: flex; align-items: center; }
.config-item.with-addon .input-wrapper input, .config-item.with-addon .input-wrapper select { flex-grow: 1; border-top-right-radius: 0; border-bottom-right-radius: 0; }
.input-addon-btn {
    padding: 0 10px;
    height: 38px; /* Ajustar a la altura del input */
    border: 1px solid var(--border-color);
    border-left: none;
    background-color: var(--bg-color-light);
    border-top-right-radius: var(--border-radius);
    border-bottom-right-radius: var(--border-radius);
    cursor: pointer;
    color: var(--accent-info);
}
.input-addon-btn:hover { background-color: var(--bg-color-hover); }

/* Estilos para previsualización de archivos */
.file-input-group { display: flex; gap: 10px; }
.file-preview-container { margin-top: 10px; border: 1px solid var(--border-color-light); border-radius: var(--border-radius); padding: 10px; background-color: var(--bg-color-darker); }
#sale-payment-screenshots-preview { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 10px; }
.preview-image { width: 100%; height: 100px; object-fit: cover; border-radius: var(--border-radius-sm); border: 1px solid var(--border-color); }
.preview-pdf { width: 100%; height: 200px; border: 1px solid var(--border-color); border-radius: var(--border-radius-sm); }

/* Estilos para las tarjetas de comprobantes */
.voucher-card {
    position: relative;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    background-color: var(--bg-color-light);
}
.voucher-card .preview-image { height: 80px; width: 100%; object-fit: cover; border-radius: 0; border: none; border-bottom: 1px solid var(--border-color); }
.voucher-details { padding: 8px; font-size: 0.8em; line-height: 1.5; }
.voucher-details strong { color: var(--text-color-primary); }
.delete-voucher-btn { position: absolute; top: 5px; right: 5px; background: rgba(0,0,0,0.5); color: white; border: none; border-radius: 50%; width: 20px; height: 20px; cursor: pointer; line-height: 20px; text-align: center; }

/* Estilos para el Modal Selector de Medios */
#chat-media-selector-modal .media-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); gap: 10px; max-height: 50vh; overflow-y: auto; padding: 10px; }
#chat-media-selector-modal .media-list { max-height: 50vh; overflow-y: auto; padding: 10px; }
.media-item { cursor: pointer; border: 2px solid transparent; border-radius: 8px; overflow: hidden; position: relative; }
.media-item:hover { border-color: var(--accent-color-info); }
.media-item.selected { border-color: var(--accent-info); box-shadow: 0 0 0 3px var(--accent-info); }
.media-item.selected::after { content: '✔'; position: absolute; top: 5px; right: 5px; background: var(--accent-info); color: white; border-radius: 50%; width: 20px; height: 20px; display: flex; align-items: center; justify-content: center; font-size: 12px; }
.media-item img { width: 100%; height: 100px; object-fit: cover; }
.media-list .media-item div { padding: 10px; background-color: var(--bg-color-light); border: 1px solid var(--border-color); border-radius: 4px; display: flex; align-items: center; gap: 10px; }
.media-list .media-item i { font-size: 1.5em; color: var(--status-danger); }

.file-preview-container {
    margin-top: 10px;
    border: 1px solid var(--border-color-light);
    border-radius: var(--border-radius);
    padding: 10px;
    background-color: var(--bg-color-darker);
    min-height: 50px; /* Para que se vea el placeholder */
}

.multi-file-preview {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 10px;
}

.single-file-preview {
    display: block; /* O flex si necesitas centrarlo */
}

.preview-item-wrapper {
    position: relative;
}

.delete-preview-btn {
    position: absolute;
    top: 5px;
    right: 5px;
    background: rgba(0,0,0,0.6);
    color: white;
    border: none;
    border-radius: 50%;
    width: 22px;
    height: 22px;
    font-size: 14px;
    font-weight: bold;
    line-height: 22px;
    text-align: center;
    cursor: pointer;
    transition: background-color 0.2s;
}
.delete-preview-btn:hover { background: var(--status-danger); }

/* Estilos para Modal Selector de Medios */
#chat-media-selector-modal .modal-content { max-width: 800px; }
#chat-media-selector-modal .media-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 10px; max-height: 60vh; overflow-y: auto; padding: 10px; }
#chat-media-selector-modal .media-list { max-height: 60vh; overflow-y: auto; padding: 10px; }

.media-item { cursor: pointer; border: 3px solid transparent; border-radius: 8px; overflow: hidden; position: relative; transition: border-color 0.2s; }
.media-item:hover { border-color: var(--accent-color-info); }
.media-item.selected { border-color: var(--accent-info); }
.media-item.selected::after { content: '✔'; position: absolute; top: 5px; right: 5px; background: var(--accent-info); color: white; border-radius: 50%; width: 24px; height: 24px; display: flex; align-items: center; justify-content: center; font-size: 14px; box-shadow: 0 0 5px rgba(0,0,0,0.5); }

.media-item img { width: 100%; height: 120px; object-fit: cover; display: block; }
.media-list .media-item div { padding: 12px; background-color: var(--bg-color-light); border: 1px solid var(--border-color); border-radius: 4px; display: flex; align-items: center; gap: 10px; margin-bottom: 5px; }
.media-list .media-item i { font-size: 1.8em; color: var(--status-danger); }

.voucher-details.editable {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 8px;
}

.voucher-field {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.voucher-field label {
    font-size: 0.75em;
    color: var(--text-color-secondary);
    font-weight: 600;
}

.voucher-field .voucher-input {
    width: 100%;
    font-size: 0.85em;
    padding: 6px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background-color: var(--bg-color-input);
}

.voucher-field .voucher-input:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px var(--accent-color-x-light);
    outline: none;
}

.raw-data-section {
    margin-top: 10px;
}

.raw-data-section summary {
    cursor: pointer;
    font-size: 0.8em;
    font-weight: 600;
    color: var(--text-color-secondary);
    outline: none;
}

.raw-data-section details[open] summary {
    margin-bottom: 5px;
}

.raw-data-textarea {
    width: 100%;
    font-family: var(--font-family-mono);
    font-size: 0.8em !important;
    line-height: 1.6;
    background-color: var(--bg-color-code) !important;
    color: var(--text-color-code) !important;
    min-height: 100px;
}

/* Estilo para indicar error de JSON */
.raw-data-textarea:invalid,
.raw-data-textarea[style*="border-color: var(--status-danger)"] {
    border-color: var(--status-danger) !important;
    box-shadow: 0 0 0 2px rgba(var(--status-danger-rgb), 0.2) !important;
}

/* Estilo para el campo de precio de solo lectura */
input[readonly] {
    background-color: var(--bg-color-darker) !important;
    font-weight: bold;
    color: var(--text-color-primary);
    cursor: not-allowed;
}

/* Estilos para las tarjetas de comprobantes editables */
.voucher-details.editable { display: flex; flex-direction: column; gap: 8px; padding: 8px; }
.voucher-field { display: flex; flex-direction: column; gap: 4px; }
.voucher-field label { font-size: 0.75em; color: var(--text-color-secondary); font-weight: 600; }
.voucher-field .voucher-input { width: 100%; font-size: 0.85em; padding: 6px; border: 1px solid var(--border-color); border-radius: var(--border-radius-sm); background-color: var(--bg-color-input); }
.voucher-field .voucher-input:focus { border-color: var(--accent-color); box-shadow: 0 0 0 2px var(--accent-color-x-light); outline: none; }

/* Estilos para la sección de datos crudos */
.raw-data-section { margin-top: 10px; }
.raw-data-section summary { cursor: pointer; font-size: 0.8em; font-weight: 600; color: var(--text-color-secondary); outline: none; }
.raw-data-section details[open] summary { margin-bottom: 5px; }
.raw-data-editor { display: flex; flex-direction: column; gap: 6px; margin-top: 5px; }
.raw-data-field { display: grid; grid-template-columns: 100px 1fr; align-items: center; gap: 5px; }
.raw-data-field label { font-size: 0.75em; font-family: var(--font-family-mono); color: var(--text-tertiary); text-align: right; }
.raw-data-field .raw-data-input { font-size: 0.8em !important; font-family: var(--font-family-mono); }

.config-item.with-addon .input-wrapper {
    display: flex;
    align-items: center;
}
.config-item.with-addon .input-wrapper input,
.config-item.with-addon .input-wrapper select {
    flex-grow: 1;
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}
.input-addon-btn {
    padding: 0 10px;
    height: 38px;
    border: 1px solid var(--border-color);
    border-left: none;
    background-color: var(--bg-color-light);
    border-top-right-radius: var(--border-radius);
    border-bottom-right-radius: var(--border-radius);
    cursor: pointer;
    color: var(--accent-info);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
}
.input-addon-btn:hover { background-color: var(--bg-color-hover); }
.input-addon-btn i.fa-spin { animation: fa-spin 1s linear infinite; }

/* Estilos para el input SIN addon, para mantener la alineación */
.config-item:not(.with-addon) .input-wrapper {
    display: block; /* O flex si necesitas alinear algo más */
}

/* Ajustes para el editor de datos crudos para que sea más espacioso */
.raw-data-textarea {
    width: 100%;
    font-family: var(--font-family-mono);
    font-size: 0.85em !important; /* Un poco más grande para legibilidad */
    line-height: 1.6;
    background-color: var(--bg-color-code) !important;
    color: var(--text-color-code) !important;
    min-height: 120px; /* Más alto */
    padding: 8px !important;
}

.gs-auto {
    display: none !important;
}
/* Wrapper para cada campo de GS */
#google-sheets-section .gs-field-wrapper {
    margin-bottom: 12px;
}

#google-sheets-section .gs-field-wrapper label {
    display: block;
    margin-bottom: 4px;
    font-weight: 500;
    font-size: 0.9em;
}

#google-sheets-section .gs-field-wrapper input,
#google-sheets-section .gs-field-wrapper select {
    width: 100%;
    box-sizing: border-box; /* Asegura que el padding no rompa el layout */
}

/* * Clase para ocultar campos automáticos y el campo 'Estado'
 * Se aplica en el HTML.
 */
.gs-auto-field {
    display: none !important;
}