/* ========================================
   KAIRO - Landing Page Styles
   Modern, Clean & Professional Design
   ======================================== */

/* CSS Variables */
:root {
  /* Colors - Dark Theme */
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-tertiary: #1a1a24;
  --bg-card: #16161f;
  --bg-card-hover: #1e1e2a;
  
  /* Accent Colors */
  --accent-primary: #6366f1;
  --accent-secondary: #8b5cf6;
  --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
  --accent-glow: rgba(99, 102, 241, 0.4);
  
  /* Status Colors */
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #3b82f6;
  
  /* Text Colors */
  --text-primary: #ffffff;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  
  /* Border & Shadow */
  --border-color: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.15);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px var(--accent-glow);
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.25s ease;
  --transition-slow: 0.4s ease;
  
  /* Font */
  --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* ========================================
   HEADER
   ======================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-md) 0;
  background: transparent;
  transition: all var(--transition-base);
}

.header.scrolled {
  background: rgba(10, 10, 15, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  padding: var(--space-sm) 0;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  color: var(--text-primary);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--accent-gradient);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow);
}

.logo-icon svg {
  width: 22px;
  height: 22px;
  color: white;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Navigation */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color var(--transition-fast);
}

.nav-links a:hover {
  color: var(--text-primary);
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: var(--space-sm);
}

.mobile-menu-btn svg {
  width: 24px;
  height: 24px;
}

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: var(--space-lg);
  z-index: 999;
  transform: translateY(-100%);
  opacity: 0;
  transition: all var(--transition-base);
}

.mobile-menu.open {
  transform: translateY(0);
  opacity: 1;
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.mobile-nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  padding: var(--space-md);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.mobile-nav a:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.mobile-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border-color);
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn svg {
  width: 18px;
  height: 18px;
}

.btn-primary {
  background: var(--accent-gradient);
  color: white;
  box-shadow: 0 4px 15px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--accent-glow);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-hover);
}

.btn-outline:hover {
  background: var(--bg-tertiary);
  border-color: var(--accent-primary);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}

.btn-ghost:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.05rem;
}

.btn-block {
  width: 100%;
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(99, 102, 241, 0.15), transparent),
    radial-gradient(ellipse 60% 40% at 80% 60%, rgba(139, 92, 246, 0.1), transparent),
    radial-gradient(ellipse 50% 30% at 20% 80%, rgba(168, 85, 247, 0.08), transparent);
  pointer-events: none;
}

.hero-content {
  position: relative;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.5rem 1rem;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  color: var(--accent-primary);
  margin-bottom: var(--space-xl);
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--success);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(1.2); }
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--space-lg);
  letter-spacing: -0.02em;
}

.text-gradient {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto var(--space-2xl);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-bottom: var(--space-xl);
}

.hero-note {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--text-muted);
  font-size: 0.9rem;
}

.hero-note svg {
  color: var(--success);
}

/* ========================================
   PREVIEW SECTION
   ======================================== */
.preview {
  padding: 0 0 var(--space-3xl);
  position: relative;
}

.preview-window {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  max-width: 1600px;
  width: 100%;
  margin: 0 auto;
  transform: none;
  transform-origin: top center;
}

.preview-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-color);
}

.window-controls {
  display: flex;
  gap: 8px;
}

.control {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.control.red { background: #ff5f57; }
.control.yellow { background: #febc2e; }
.control.green { background: #28c840; }

.preview-url {
  flex: 1;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.preview-content {
  display: flex;
  flex-direction: column;
  min-height: 800px;
  max-height: 1200px;
  overflow: hidden;
  pointer-events: auto !important;
  background: var(--bg-primary);
}

.preview-sidebar {
  width: 220px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  padding: var(--space-lg);
  flex-shrink: 0;
}

.preview-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}

.preview-logo-icon {
  font-size: 1.5rem;
}

.preview-logo span {
  font-weight: 700;
  font-size: 1.1rem;
}

.preview-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.preview-nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: left;
}

.preview-nav-item:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.preview-nav-item.active {
  background: var(--accent-primary);
  color: white;
}

.preview-main {
  flex: 1;
  padding: var(--space-xl);
  overflow: hidden;
}

.preview-dashboard {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.preview-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.preview-stat {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.stat-icon.blue { background: rgba(59, 130, 246, 0.15); color: #3b82f6; }
.stat-icon.green { background: rgba(34, 197, 94, 0.15); color: #22c55e; }
.stat-icon.purple { background: rgba(168, 85, 247, 0.15); color: #a855f7; }
.stat-icon.orange { background: rgba(249, 115, 22, 0.15); color: #f97316; }

.stat-info {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.preview-chart {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  flex: 1;
}

.chart-header {
  margin-bottom: var(--space-lg);
  font-weight: 600;
}

.chart-body {
  height: 200px;
  display: flex;
  align-items: flex-end;
}

.chart-bars {
  display: flex;
  align-items: flex-end;
  gap: var(--space-lg);
  height: 100%;
  width: 100%;
  padding: 0 var(--space-xl);
}

.chart-bar {
  flex: 1;
  background: var(--color);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  height: var(--height);
  transition: height var(--transition-base);
}

.preview-cta {
  text-align: center;
  margin-top: var(--space-2xl);
}

.preview-note {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: var(--space-md);
}

/* ========================================
   CRM PREVIEW STYLES
   ======================================== */

/* CRM Header */
.crm-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 30px !important;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  flex-wrap: wrap;
  gap: 15px;
  width: 100%;
  box-sizing: border-box;
}

.crm-header .header-content {
  width: 100%;
  max-width: 1600px !important;
  margin: 0 auto !important;
  padding: 0 !important;
}

.crm-header .header-top {
  display: flex !important;
  justify-content: space-between !important;
  align-items: center !important;
  margin-bottom: 20px !important;
  padding: 0 !important;
  flex-wrap: wrap;
  gap: 15px;
  width: 100%;
}

.crm-header .header-top h1 {
  font-size: 1.8rem !important;
  margin: 0 !important;
  display: flex !important;
  align-items: center !important;
  gap: 12px !important;
  color: var(--text-primary) !important;
  font-weight: 700 !important;
}

.crm-header .header-top h1 i {
  color: var(--accent-primary) !important;
  font-size: 1rem !important;
}

.crm-header .header-actions {
  display: flex !important;
  align-items: center !important;
  gap: 15px !important;
  margin-left: auto !important;
  margin-right: 20px !important;
}

.crm-header .ai-toggle-label {
  display: flex !important;
  align-items: center !important;
  gap: 8px !important;
  cursor: pointer !important;
  background: var(--bg-card) !important;
  padding: 6px 12px !important;
  border-radius: 20px !important;
  font-size: 0.75rem !important;
}

.crm-header .ai-toggle-label i {
  font-size: 0.9rem !important;
  color: var(--accent-primary) !important;
}

.crm-header .ai-toggle-label span {
  font-weight: 600 !important;
  color: var(--text-primary) !important;
  font-size: 0.75rem !important;
}

.crm-header .toggle-switch {
  position: relative !important;
  width: 36px !important;
  height: 20px !important;
  background: var(--accent-primary) !important;
  border-radius: 15px !important;
  transition: background 0.3s !important;
}

.crm-header .toggle-switch::after {
  content: '' !important;
  position: absolute !important;
  top: 3px !important;
  left: 3px !important;
  width: 14px !important;
  height: 14px !important;
  background: white !important;
  border-radius: 50% !important;
  transition: transform 0.3s !important;
  transform: translateX(16px) !important;
}

.crm-header .user-info {
  display: flex !important;
  align-items: center !important;
  gap: 15px !important;
  position: relative !important;
}

.crm-header .user-avatar {
  width: 40px !important;
  height: 40px !important;
  border-radius: 50% !important;
  background: #25D366 !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  color: white !important;
  font-weight: 700 !important;
  font-size: 1rem !important;
}

.crm-header .user-info span {
  color: white !important;
  font-weight: 500 !important;
  font-size: 0.95rem !important;
}

.crm-header .nav-tabs {
  display: flex !important;
  gap: 6px !important;
  border-top: 1px solid var(--border-color) !important;
  padding-top: 10px !important;
  flex-wrap: wrap;
}

.crm-header .nav-tabs .nav-tab {
  padding: 6px 12px !important;
  background: var(--bg-card) !important;
  color: var(--text-secondary) !important;
  border-radius: 6px !important;
  cursor: pointer !important;
  font-weight: 600 !important;
  transition: all 0.3s !important;
  font-size: 0.7rem !important;
  white-space: nowrap;
}

.crm-header .nav-tabs .nav-tab.active {
  background: var(--accent-primary) !important;
  color: white !important;
}

.crm-header .nav-tabs .nav-tab[data-tab] {
  cursor: pointer !important;
  pointer-events: auto !important;
  user-select: none;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 6px;
}

.crm-header .nav-tabs .nav-tab[data-tab]:hover {
  background: var(--bg-tertiary) !important;
  transform: translateY(-1px);
}

.crm-header .nav-tabs .nav-tab[data-tab] svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.crm-header-left {
  display: flex;
  align-items: center;
  gap: 20px;
}

.crm-logo {
  display: flex;
  align-items: center;
  gap: 8px;
}

.crm-logo .logo-icon {
  font-size: 1.5rem;
}

.crm-logo .logo-text {
  font-weight: 700;
  font-size: 1.2rem;
}

.crm-tabs {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.crm-tab {
  padding: 8px 14px;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 0.8rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.crm-tab:hover {
  background: var(--bg-card);
  color: var(--text-primary);
}

.crm-tab.active {
  background: var(--accent-primary);
  color: white;
}

.crm-header-right {
  display: flex;
  align-items: center;
  gap: 15px;
}

.ai-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: var(--bg-card);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
}

.ai-toggle .ai-icon {
  font-size: 1rem;
}

.ai-toggle .ai-text {
  font-weight: 600;
  color: var(--success);
}

.toggle-switch {
  width: 36px;
  height: 20px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  position: relative;
}

.toggle-switch::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  background: white;
  border-radius: 50%;
  top: 2px;
  left: 2px;
  transition: transform var(--transition-fast);
}

.toggle-switch.active {
  background: var(--success);
}

.toggle-switch.active::after {
  transform: translateX(16px);
}

.user-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: var(--bg-card);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
}

.user-avatar-small {
  width: 28px;
  height: 28px;
  background: var(--accent-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.75rem;
}

/* CRM Main Content */
/* Container principal (como no painel real) */
.preview-content .container {
  max-width: 1600px;
  margin: 0 auto;
  padding: 30px;
  width: 100%;
  box-sizing: border-box;
}

/* Connection Box */
.crm-connection-box {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 15px 20px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  flex-wrap: wrap;
}

.connection-status {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.85rem;
}

.connection-status .status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 8px rgba(16, 185, 129, 0.5);
}

.connection-status.connected {
  color: var(--success);
}

.btn-disconnect {
  padding: 8px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  cursor: pointer;
}

.connection-selector {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 15px;
  background: var(--accent-gradient);
  border-radius: var(--radius-md);
  color: white;
  font-size: 0.85rem;
  margin-left: auto;
}

.connection-selector .whatsapp-icon {
  font-size: 1.2rem;
}

.connection-dropdown {
  background: transparent;
  border: none;
  color: white;
  font-weight: 600;
  cursor: pointer;
}

.connection-info-card {
  padding: 15px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  width: 100%;
  margin-top: 10px;
}

.whatsapp-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.wa-icon {
  font-size: 1.2rem;
}

.wa-name {
  font-weight: 600;
}

.wa-tag {
  padding: 3px 8px;
  background: var(--accent-primary);
  color: white;
  border-radius: var(--radius-sm);
  font-size: 0.7rem;
  font-weight: 700;
}

.wa-details {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
}

.wa-phone {
  color: var(--text-muted);
}

.wa-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 0.75rem;
}

.wa-status.connected {
  color: var(--success);
}

/* Stats Bar */
.crm-stats-bar {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 15px;
  padding: 25px !important;
  background: white;
  border-radius: 15px;
  margin-bottom: 25px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.crm-stat-item {
  text-align: center;
  padding: 15px !important;
  border-right: 1px solid #e9ecef;
  background: transparent !important;
  border: none !important;
  border-radius: 0 !important;
}

.crm-stat-item:last-child {
  border-right: none;
}

.crm-stat-item .stat-number {
  font-size: 1.3rem !important;
  font-weight: 700;
  margin-bottom: 3px;
  line-height: 1.2;
}

.crm-stat-item .stat-label {
  font-size: 0.7rem !important;
  line-height: 1.2;
}

.crm-stat-item .stat-number.green {
  color: var(--success);
}

.crm-stat-item .stat-number.yellow {
  color: var(--warning);
}

.crm-stat-item .stat-number.blue {
  color: var(--info);
}

.crm-stat-item .stat-number.white {
  color: var(--text-primary);
}

.crm-stat-item .stat-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* Tickets Layout (como no painel real) */
.tickets-layout {
  display: flex;
  gap: 24px;
  align-items: stretch;
}

.tickets-container {
  flex: 1;
  min-width: 320px;
}

.tickets-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
  gap: 20px;
}

.ticket-card {
  background: white;
  border: 2px solid #e9ecef;
  border-radius: 15px;
  padding: 20px;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
}

.ticket-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
  border-color: #25D366;
}

.ticket-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 15px;
}

.ticket-info {
  flex: 1;
}

.ticket-name {
  font-size: 1.2rem;
  font-weight: 700;
  color: #2d3748;
  margin-bottom: 5px;
}

.ticket-phone {
  font-size: 0.9rem;
  color: #6c757d;
}

.ticket-time {
  font-size: 0.85rem;
  color: #6c757d;
}

.ticket-message {
  color: #495057;
  font-size: 0.95rem;
  line-height: 1.5;
  margin-bottom: 15px;
}

.ticket-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 15px;
  border-top: 1px solid #e9ecef;
}

.status-badge {
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 600;
}

.unread-badge {
  background: #ef4444;
  color: white;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 0.75rem;
  font-weight: 600;
}

.crm-tickets-section .tickets-header {
  margin-bottom: 12px !important;
  padding-bottom: 10px !important;
}

.crm-tickets-section .tickets-header h2 {
  font-size: 1.1rem !important;
  margin: 0 !important;
}

.crm-tickets-section .tickets-header div {
  font-size: 0.85rem !important;
  margin-top: 3px !important;
}

.crm-tickets-section .tickets-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--border-color);
}

.crm-tickets-section .tickets-header h3 {
  font-size: 1.1rem;
  font-weight: 700;
}

.crm-tickets-section .tickets-count {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.tickets-empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.tickets-empty .empty-icon {
  font-size: 3rem;
  margin-bottom: 15px;
  opacity: 0.5;
}

.tickets-empty p {
  font-size: 0.95rem;
}

.crm-tickets-grid,
.tickets-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 10px;
  max-height: 300px;
  overflow-y: auto;
}

@media (max-width: 1024px) {
  .crm-tickets-grid,
  .tickets-grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 12px;
  }
}

@media (max-width: 768px) {
  .crm-tickets-grid,
  .tickets-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }
}

@media (max-width: 480px) {
  .crm-tickets-grid,
  .tickets-grid {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

/* Demo tickets - clickable */
.demo-ticket {
  cursor: pointer !important;
  transition: all 0.2s ease;
}

.demo-ticket:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3) !important;
}

.crm-ticket-card,
.ticket-card {
  background: var(--bg-card) !important;
  border: 1px solid var(--border-color) !important;
  border-radius: var(--radius-md) !important;
  padding: 12px !important;
  cursor: pointer;
  transition: all var(--transition-base) !important;
  position: relative;
}

.crm-ticket-card:hover,
.ticket-card:hover {
  border-color: var(--accent-primary) !important;
  background: var(--bg-card-hover) !important;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md) !important;
}

.ticket-card-header {
  display: flex !important;
  justify-content: space-between !important;
  align-items: flex-start !important;
  margin-bottom: 12px !important;
}

.ticket-info {
  flex: 1;
  min-width: 0;
}

.ticket-name {
  font-size: 0.9rem !important;
  font-weight: 700 !important;
  color: var(--text-primary) !important;
  margin-bottom: 3px !important;
}

.ticket-phone {
  color: var(--text-secondary) !important;
  font-size: 0.9rem !important;
  margin-bottom: 8px !important;
}

.ticket-time {
  color: var(--text-muted) !important;
  font-size: 0.85rem !important;
  white-space: nowrap;
}

.ticket-message {
  color: var(--text-secondary) !important;
  font-size: 0.8rem !important;
  line-height: 1.4 !important;
  margin-bottom: 8px !important;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.ticket-footer {
  display: flex !important;
  justify-content: space-between !important;
  align-items: center !important;
  padding-top: 12px !important;
  border-top: 1px solid var(--border-color) !important;
}

.status-badge {
  padding: 4px 12px !important;
  border-radius: var(--radius-full) !important;
  font-size: 0.8rem !important;
  font-weight: 600 !important;
  white-space: nowrap;
}

.badge-ia {
  background: rgba(139, 92, 246, 0.2) !important;
  color: #a78bfa !important;
}

.unread-badge {
  width: 24px !important;
  height: 24px !important;
  background: var(--success) !important;
  border-radius: 50% !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  color: white !important;
  font-size: 0.7rem !important;
  font-weight: 700 !important;
  flex-shrink: 0;
}

.crm-ticket-card:hover {
  border-color: var(--accent-primary);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.crm-ticket-card .ticket-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  color: white;
  flex-shrink: 0;
}

.crm-ticket-card .ticket-info {
  flex: 1;
  min-width: 0;
}

.crm-ticket-card .ticket-name {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.crm-ticket-card .ticket-message {
  font-size: 0.8rem;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.crm-ticket-card .ticket-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
  flex-shrink: 0;
}

.crm-ticket-card .ticket-badge {
  font-size: 0.7rem;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  font-weight: 600;
  white-space: nowrap;
}

.crm-ticket-card .ticket-badge.ia {
  background: rgba(139, 92, 246, 0.2);
  color: #a78bfa;
}

.crm-ticket-card .ticket-badge.waiting {
  background: rgba(245, 158, 11, 0.2);
  color: #fbbf24;
}

.crm-ticket-card .ticket-badge.resolved {
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
}

.crm-ticket-card .ticket-badge.open {
  background: rgba(239, 68, 68, 0.2);
  color: #f87171;
}

.crm-ticket-card .ticket-time {
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* Preview Navigation Bar */
.preview-nav-bar {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 30px;
  flex-wrap: wrap;
}

.preview-nav-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-base);
}

.preview-nav-btn:hover {
  background: var(--bg-tertiary);
  border-color: var(--accent-primary);
  color: var(--text-primary);
}

.preview-nav-btn.active {
  background: var(--accent-gradient);
  border-color: transparent;
  color: white;
  pointer-events: auto !important;
}

.preview-nav-btn {
  pointer-events: auto !important;
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
}

.preview-nav-btn svg {
  width: 18px;
  height: 18px;
}

/* Alternative Screens Container */
.preview-screens-container {
  margin-top: 20px;
}

.preview-alt-screen {
  display: none;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  animation: fadeIn 0.3s ease;
}

.preview-alt-screen.active {
  display: block;
}

/* Alt Chat Layout */
.alt-chat-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 20px;
  min-height: 400px;
}

.alt-tickets-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-lg);
  padding: 15px;
}

.alt-ticket {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.alt-ticket:hover, .alt-ticket.active {
  border-color: var(--accent-primary);
}

.alt-ticket-avatar {
  width: 40px;
  height: 40px;
  background: var(--accent-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.alt-ticket-info {
  flex: 1;
  min-width: 0;
}

.alt-ticket-name {
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 2px;
}

.alt-ticket-msg {
  font-size: 0.8rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.alt-ticket-badge {
  font-size: 0.7rem;
  padding: 4px 8px;
  border-radius: var(--radius-full);
}

.alt-ticket-badge.ia {
  background: rgba(139, 92, 246, 0.2);
  color: #a78bfa;
}

.alt-ticket-badge.waiting {
  background: rgba(245, 158, 11, 0.2);
  color: #fbbf24;
}

/* Alt Chat Panel */
.alt-chat-panel {
  display: flex;
  flex-direction: column;
  background: var(--bg-tertiary);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.alt-chat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
}

.alt-chat-user {
  display: flex;
  align-items: center;
  gap: 12px;
}

.alt-chat-avatar {
  width: 40px;
  height: 40px;
  background: var(--accent-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.alt-chat-name {
  font-weight: 600;
}

.alt-chat-phone {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.alt-status-select {
  padding: 8px 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.85rem;
}

.alt-chat-messages {
  flex: 1;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 250px;
}

.alt-msg {
  max-width: 75%;
  padding: 12px 16px;
  border-radius: var(--radius-lg);
  font-size: 0.9rem;
  line-height: 1.5;
}

.alt-msg.customer {
  align-self: flex-start;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
}

.alt-msg.ai {
  align-self: flex-end;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.3), rgba(139, 92, 246, 0.3));
  border: 1px solid rgba(99, 102, 241, 0.3);
}

.alt-chat-input {
  display: flex;
  gap: 10px;
  padding: 15px;
  background: var(--bg-card);
  border-top: 1px solid var(--border-color);
}

.alt-chat-input input {
  flex: 1;
  padding: 12px 16px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.9rem;
}

.alt-chat-input button {
  padding: 12px 24px;
  background: var(--accent-gradient);
  border: none;
  border-radius: var(--radius-md);
  color: white;
  font-weight: 600;
  cursor: pointer;
}

/* Alt KB Grid */
.alt-kb-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.alt-kb-header h3 {
  font-size: 1.2rem;
  font-weight: 700;
}

.alt-btn-add {
  padding: 10px 20px;
  background: var(--accent-gradient);
  border: none;
  border-radius: var(--radius-md);
  color: white;
  font-weight: 600;
  cursor: pointer;
}

.alt-kb-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 15px;
}

.alt-kb-card {
  padding: 20px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
}

.alt-kb-card:hover {
  border-color: var(--accent-primary);
}

.alt-kb-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.alt-kb-title {
  font-weight: 600;
  margin-bottom: 5px;
}

.alt-kb-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.alt-kb-cat {
  display: inline-block;
  padding: 4px 10px;
  background: var(--bg-card);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Alt Connections */
.alt-conn-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.alt-conn-header h3 {
  font-size: 1.2rem;
  font-weight: 700;
}

.alt-conn-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.alt-conn-card {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 20px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
}

.alt-conn-card:hover {
  border-color: var(--accent-primary);
}

.alt-conn-icon {
  font-size: 1.5rem;
}

.alt-conn-card.connected .alt-conn-icon {
  color: var(--success);
}

.alt-conn-info {
  flex: 1;
}

.alt-conn-name {
  font-weight: 600;
  margin-bottom: 3px;
}

.alt-conn-phone {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.alt-conn-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.alt-conn-status .status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.alt-conn-status .status-dot.green {
  background: var(--success);
  box-shadow: 0 0 8px rgba(16, 185, 129, 0.5);
}

.alt-conn-status .status-dot.red {
  background: var(--danger);
}

/* Alt Management Screen */
.alt-mgmt-header {
  margin-bottom: 20px;
}

.alt-mgmt-header h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
}

.alt-mgmt-tabs {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 10px;
}

.alt-mgmt-tab {
  padding: 10px 20px;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-secondary);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-bottom: -12px;
}

.alt-mgmt-tab:hover {
  color: var(--text-primary);
}

.alt-mgmt-tab.active {
  color: var(--accent-primary);
  border-bottom-color: var(--accent-primary);
}

.alt-mgmt-content {
  min-height: 400px;
}

.alt-mgmt-panel {
  display: none;
}

.alt-mgmt-panel.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

.alt-mgmt-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 20px;
}

.alt-mgmt-card h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 15px;
  color: var(--text-primary);
}

.alt-mgmt-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.alt-input,
.alt-select {
  padding: 12px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.9rem;
}

.alt-input:focus,
.alt-select:focus {
  outline: none;
  border-color: var(--accent-primary);
}

.alt-btn-primary {
  padding: 12px 24px;
  background: var(--accent-gradient);
  border: none;
  border-radius: var(--radius-md);
  color: white;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.alt-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.alt-btn-small {
  padding: 6px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.alt-btn-small:hover {
  background: var(--bg-tertiary);
  border-color: var(--accent-primary);
}

.alt-table {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.alt-table-row {
  display: grid;
  grid-template-columns: 1fr 1.5fr 1fr 1fr;
  gap: 15px;
  padding: 12px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  align-items: center;
}

.alt-table-row.header {
  background: var(--bg-tertiary);
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 0.85rem;
  text-transform: uppercase;
}

.alt-badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
}

.alt-badge.admin {
  background: rgba(239, 68, 68, 0.2);
  color: var(--danger);
}

.alt-badge.user {
  background: rgba(59, 130, 246, 0.2);
  color: var(--info);
}

.alt-upload-area {
  border: 3px dashed var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  background: var(--bg-card);
}

.alt-upload-area:hover {
  border-color: var(--accent-primary);
  background: var(--bg-tertiary);
}

.alt-upload-area i {
  font-size: 3rem;
  color: var(--accent-primary);
  margin-bottom: 15px;
  display: block;
}

.alt-upload-area p {
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.alt-upload-area span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.alt-kb-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.alt-kb-item {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 15px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}

.alt-kb-item-icon {
  font-size: 1.5rem;
}

.alt-kb-item-info {
  flex: 1;
}

.alt-kb-item-title {
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--text-primary);
}

.alt-kb-item-cat {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.alt-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px;
}

.alt-stat-item {
  text-align: center;
  padding: 20px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.alt-stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: 5px;
}

.alt-stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

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

.alt-config-item label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--text-primary);
}

.alt-config-item input[type="checkbox"] {
  margin-right: 8px;
}

/* Responsive CRM Preview */
@media (max-width: 1024px) {
  .crm-stats-bar {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .crm-tabs {
    order: 3;
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .preview-window {
    margin: 20px 0;
    border-radius: 12px;
  }
  
  .preview-content {
    padding: 15px;
  }
  
  .crm-header {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    padding: 15px 20px !important;
  }
  
  .crm-header .nav-tabs {
    flex-wrap: wrap;
    gap: 5px;
    padding: 8px 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  .crm-header .nav-tab {
    padding: 6px 12px !important;
    font-size: 0.8rem !important;
    white-space: nowrap;
    flex-shrink: 0;
  }
  
  .crm-header .header-content {
    max-width: 100% !important;
  }
  
  .crm-header .header-top {
    flex-direction: column;
    align-items: stretch;
    gap: 15px;
  }
  
  .crm-header-left, .crm-header-right {
    justify-content: center;
    flex-wrap: wrap;
  }
  
  .crm-header .nav-tabs {
    flex-wrap: wrap;
    gap: 8px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  .crm-header .nav-tabs .nav-tab {
    padding: 8px 15px;
    font-size: 0.85rem;
    white-space: nowrap;
  }
  
  .crm-stats-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    padding: 15px;
  }
  
  .crm-stat-item {
    padding: 12px;
  }
  
  .crm-stat-item .stat-number {
    font-size: 1.5rem;
  }
  
  .crm-stat-item .stat-label {
    font-size: 0.75rem;
  }
  
  .crm-tickets-section {
    padding: 15px;
  }
  
  .crm-tickets-section .tickets-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  
  .crm-tickets-section .tickets-header h2 {
    font-size: 1.2rem;
  }
  
  .crm-connection-box {
    flex-wrap: wrap;
    gap: 10px;
  }
  
  .connection-selector {
    margin-left: 0;
    width: 100%;
    justify-content: center;
  }
  
  .connection-info-card {
    margin-top: 0;
  }
  
  .alt-chat-layout {
    grid-template-columns: 1fr;
  }
  
  .alt-tickets-list {
    max-height: 200px;
    overflow-y: auto;
  }
  
  .preview-nav-bar {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    padding: 10px;
    gap: 8px;
  }
  
  .preview-nav-btn {
    flex: 1;
    min-width: 120px;
    justify-content: center;
    padding: 10px 12px;
    font-size: 0.85rem;
  }
  
  .alt-kb-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .ticket-card {
    padding: 15px;
  }
  
  .ticket-card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  
  .ticket-card-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
}

@media (max-width: 480px) {
  .preview-window {
    margin: 10px 0;
    border-radius: 8px;
  }
  
  .preview-content {
    padding: 10px;
  }
  
  .crm-header {
    padding: 12px 15px !important;
  }
  
  .crm-stats-bar {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 12px;
  }
  
  .crm-stat-item {
    padding: 10px;
  }
  
  .crm-stat-item .stat-number {
    font-size: 1.3rem;
  }
  
  .crm-tickets-section {
    padding: 12px;
  }
  
  .crm-tickets-section .tickets-header h2 {
    font-size: 1.1rem;
  }
  
  .preview-nav-bar {
    flex-direction: column;
    gap: 6px;
  }
  
  .preview-nav-btn {
    width: 100%;
    min-width: auto;
  }
  
  .alt-kb-grid {
    grid-template-columns: 1fr;
  }
  
  .ticket-card {
    padding: 12px;
  }
}

/* Preview Screens */
.preview-screen {
  display: none;
  flex-direction: column;
  gap: var(--space-lg);
  animation: fadeIn 0.3s ease;
}

.preview-screen.active {
  display: flex;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Chart Labels */
.chart-labels {
  display: flex;
  justify-content: space-around;
  margin-top: var(--space-md);
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Tickets Screen */
.preview-tickets-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.preview-tickets-header h3 {
  font-size: 1.1rem;
  font-weight: 700;
}

.preview-filter-tabs {
  display: flex;
  gap: var(--space-xs);
  font-size: 0.75rem;
}

.preview-filter-tabs span {
  padding: 6px 12px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.preview-filter-tabs span.active {
  background: var(--accent-primary);
  color: white;
}

.preview-tickets-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.preview-ticket-card {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.preview-ticket-card:hover {
  border-color: var(--accent-primary);
}

.ticket-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.ticket-info {
  flex: 1;
  min-width: 0;
}

.ticket-name {
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 2px;
}

.ticket-message {
  font-size: 0.8rem;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ticket-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
}

.ticket-badge {
  font-size: 0.7rem;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  font-weight: 600;
}

.ticket-badge.ia {
  background: rgba(139, 92, 246, 0.2);
  color: #a78bfa;
}

.ticket-badge.waiting {
  background: rgba(245, 158, 11, 0.2);
  color: #fbbf24;
}

.ticket-badge.resolved {
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
}

.ticket-time {
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* Chat Screen */
.preview-chat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md);
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
}

.chat-user-info {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.chat-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
}

.chat-name {
  font-weight: 600;
  font-size: 0.95rem;
}

.chat-status {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.chat-actions .status-badge {
  font-size: 0.75rem;
  padding: 5px 12px;
  background: rgba(139, 92, 246, 0.2);
  color: #a78bfa;
  border-radius: var(--radius-full);
  font-weight: 600;
}

.preview-chat-messages {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  max-height: 280px;
  overflow-y: auto;
}

.chat-message {
  max-width: 80%;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-lg);
  position: relative;
}

.chat-message.customer {
  align-self: flex-start;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
}

.chat-message.ai {
  align-self: flex-end;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.3), rgba(139, 92, 246, 0.3));
  border: 1px solid rgba(99, 102, 241, 0.3);
}

.chat-message p {
  font-size: 0.85rem;
  line-height: 1.5;
  margin: 0;
}

.chat-message .msg-time {
  font-size: 0.65rem;
  color: var(--text-muted);
  margin-top: 4px;
  display: block;
  text-align: right;
}

.chat-message .ai-badge {
  font-size: 0.65rem;
  color: #a78bfa;
  margin-bottom: 4px;
  font-weight: 600;
}

.preview-chat-input {
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-sm);
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
}

.preview-chat-input input {
  flex: 1;
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.85rem;
}

.preview-chat-input button {
  padding: var(--space-sm) var(--space-lg);
  background: var(--accent-gradient);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
}

/* Knowledge Base Screen */
.preview-kb-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.preview-kb-header h3 {
  font-size: 1.1rem;
  font-weight: 700;
}

.btn-add {
  padding: 8px 16px;
  background: var(--accent-gradient);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.8rem;
  cursor: pointer;
}

.preview-kb-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.preview-kb-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.preview-kb-item:hover {
  border-color: var(--accent-primary);
}

.kb-icon {
  font-size: 1.5rem;
  width: 40px;
  text-align: center;
}

.kb-info {
  flex: 1;
}

.kb-title {
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 2px;
}

.kb-desc {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.kb-category {
  font-size: 0.7rem;
  padding: 4px 10px;
  background: var(--bg-card);
  border-radius: var(--radius-full);
  color: var(--text-muted);
}

/* Connections Screen */
.preview-conn-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.preview-conn-header h3 {
  font-size: 1.1rem;
  font-weight: 700;
}

.preview-conn-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.preview-conn-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.preview-conn-item:hover {
  border-color: var(--accent-primary);
}

.preview-conn-item.connected .conn-icon {
  color: #25d366;
}

.preview-conn-item.disconnected .conn-icon {
  color: var(--text-muted);
}

.conn-info {
  flex: 1;
}

.conn-name {
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 2px;
}

.conn-phone {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.conn-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

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

.status-dot.green {
  background: #22c55e;
  box-shadow: 0 0 8px rgba(34, 197, 94, 0.5);
}

.status-dot.red {
  background: #ef4444;
}

/* ========================================
   FEATURES SECTION
   ======================================== */
.features {
  padding: var(--space-3xl) 0;
  background: var(--bg-secondary);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-3xl);
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
  line-height: 1.7;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-base);
  opacity: 0;
  transform: translateY(20px);
}

.feature-card.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.feature-card:hover {
  border-color: var(--accent-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.feature-icon {
  width: 56px;
  height: 56px;
  background: var(--accent-gradient);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
}

.feature-icon svg {
  width: 28px;
  height: 28px;
  color: white;
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ========================================
   PRICING SECTION
   ======================================== */
.pricing {
  padding: var(--space-3xl) 0;
}

.pricing-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-xl);
}

.toggle-btn {
  padding: 0.75rem 1.5rem;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.toggle-btn.active {
  background: var(--accent-gradient);
  border-color: transparent;
  color: white;
}

.toggle-btn .discount {
  background: var(--success);
  color: white;
  font-size: 0.75rem;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  margin-left: var(--space-xs);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  position: relative;
  transition: all var(--transition-base);
  opacity: 0;
  transform: translateY(20px);
}

.pricing-card.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.pricing-card.popular {
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-glow);
  transform: scale(1.02);
}

.pricing-card.popular.animate-in {
  transform: scale(1.02);
}

.popular-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-gradient);
  color: white;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: var(--radius-full);
}

.pricing-header {
  margin-bottom: var(--space-lg);
}

.pricing-header h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.pricing-header p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.pricing-price {
  margin-bottom: var(--space-xl);
}

.pricing-price .currency {
  font-size: 1.25rem;
  font-weight: 600;
  vertical-align: top;
}

.pricing-price .amount {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1;
}

.pricing-price .period {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.pricing-features {
  list-style: none;
  margin-bottom: var(--space-xl);
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.pricing-features svg {
  width: 18px;
  height: 18px;
  color: var(--success);
  flex-shrink: 0;
}

/* ========================================
   FAQ SECTION
   ======================================== */
.faq {
  padding: var(--space-3xl) 0;
  background: var(--bg-secondary);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-md);
  overflow: hidden;
  transition: all var(--transition-base);
  opacity: 0;
  transform: translateY(10px);
}

.faq-item.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg);
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.faq-question:hover {
  color: var(--accent-primary);
}

.faq-icon {
  width: 20px;
  height: 20px;
  color: var(--text-muted);
  transition: transform var(--transition-base);
}

.faq-item.open .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base);
}

.faq-item.open .faq-answer {
  max-height: 500px;
}

.faq-answer p {
  padding: 0 var(--space-lg) var(--space-lg);
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ========================================
   CTA SECTION
   ======================================== */
.cta-section {
  padding: var(--space-3xl) 0;
  background: var(--accent-gradient);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(circle at 20% 50%, rgba(255,255,255,0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(255,255,255,0.1) 0%, transparent 50%);
}

.cta-content {
  position: relative;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.cta-content h2 {
  font-size: clamp(2rem, 4vw, 2.5rem);
  font-weight: 800;
  margin-bottom: var(--space-md);
}

.cta-content p {
  font-size: 1.1rem;
  opacity: 0.9;
  margin-bottom: var(--space-xl);
}

.cta-section .btn-primary {
  background: white;
  color: var(--accent-primary);
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.cta-section .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
  background: var(--bg-secondary);
  padding: var(--space-3xl) 0 var(--space-xl);
  border-top: 1px solid var(--border-color);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: var(--space-3xl);
  margin-bottom: var(--space-2xl);
}

.footer-brand p {
  color: var(--text-muted);
  margin-top: var(--space-md);
  max-width: 300px;
}

.footer-column h4 {
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: var(--space-lg);
}

.footer-column a {
  display: block;
  color: var(--text-secondary);
  text-decoration: none;
  padding: var(--space-xs) 0;
  transition: color var(--transition-fast);
}

.footer-column a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .preview-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-content {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-links, .header-actions {
    display: none;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .mobile-menu {
    display: block;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  
  .pricing-card.popular {
    transform: none;
  }
  
  .preview-content {
    flex-direction: column;
  }
  
  .preview-sidebar {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
  }
  
  .preview-nav {
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--space-sm);
  }
  
  .preview-stats {
    grid-template-columns: 1fr;
  }
  
  .hero-actions {
    flex-direction: column;
  }
  
  .btn-lg {
    width: 100%;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-md);
  }
  
  .preview-window {
    border-radius: var(--radius-lg);
  }
  
  .preview-stat {
    flex-direction: column;
    text-align: center;
  }
  
  /* CRM Preview Mobile */
  .crm-stats-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    padding: 12px;
  }
  
  .crm-stat-item {
    padding: 10px;
  }
  
  .crm-stat-item .stat-number {
    font-size: 1.3rem;
  }
  
  .crm-stat-item .stat-label {
    font-size: 0.7rem;
  }
  
  .crm-connection-box {
    padding: 12px;
    flex-direction: column;
    align-items: stretch;
  }
  
  .connection-selector {
    margin-left: 0;
    justify-content: center;
  }
  
  .crm-tabs {
    gap: 2px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding-bottom: 5px;
  }
  
  .crm-tabs::-webkit-scrollbar {
    display: none;
  }
  
  .crm-tab {
    padding: 6px 10px;
    font-size: 0.7rem;
    white-space: nowrap;
    flex-shrink: 0;
  }
  
  .crm-header {
    padding: 10px 12px;
  }
  
  .crm-logo .logo-text {
    font-size: 1rem;
  }
  
  .ai-toggle, .user-badge {
    padding: 5px 10px;
    font-size: 0.75rem;
  }
  
  .user-avatar-small {
    width: 24px;
    height: 24px;
    font-size: 0.65rem;
  }
  
  .toggle-switch {
    width: 30px;
    height: 16px;
  }
  
  .toggle-switch::after {
    width: 12px;
    height: 12px;
  }
  
  .toggle-switch.active::after {
    transform: translateX(14px);
  }
  
  .crm-main {
    padding: 12px;
    gap: 12px;
  }
  
  .crm-tickets-section {
    padding: 15px;
  }
  
  .tickets-empty {
    padding: 40px 15px;
  }
  
  .tickets-empty .empty-icon {
    font-size: 2rem;
  }
  
  /* Preview Nav Buttons Mobile */
  .preview-nav-bar {
    gap: 8px;
    margin-top: 20px;
  }
  
  .preview-nav-btn {
    padding: 10px 14px;
    font-size: 0.8rem;
    gap: 6px;
  }
  
  .preview-nav-btn svg {
    width: 16px;
    height: 16px;
  }
  
  /* Alt Screens Mobile */
  .alt-chat-layout {
    grid-template-columns: 1fr;
    gap: 15px;
  }
  
  .alt-tickets-list {
    max-height: 150px;
    overflow-y: auto;
  }
  
  .alt-chat-messages {
    min-height: 180px;
  }
  
  .alt-msg {
    max-width: 90%;
    font-size: 0.85rem;
    padding: 10px 12px;
  }
  
  .alt-kb-grid {
    grid-template-columns: 1fr;
  }
  
  .alt-kb-card {
    padding: 15px;
  }
  
  .alt-conn-card {
    padding: 15px;
    flex-wrap: wrap;
  }
  
  .alt-conn-status {
    width: 100%;
    margin-top: 10px;
    justify-content: center;
  }
  
  /* Hero Mobile */
  .hero-title {
    font-size: 1.8rem;
  }
  
  .hero-subtitle {
    font-size: 0.95rem;
  }
  
  .hero-actions {
    flex-direction: column;
    gap: 12px;
  }
  
  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }
  
  /* Pricing Mobile */
  .pricing-card {
    padding: 25px 20px;
  }
  
  .price .amount {
    font-size: 2.5rem;
  }
  
  /* FAQ Mobile */
  .faq-question {
    padding: 18px 15px;
    font-size: 0.9rem;
  }
  
  .faq-answer {
    padding: 0 15px 18px;
  }
  
  /* CTA Mobile */
  .cta-content h2 {
    font-size: 1.5rem;
  }
  
  /* Footer Mobile */
  .footer-content {
    flex-direction: column;
    gap: 30px;
  }
  
  .footer-links {
    flex-direction: column;
    gap: 25px;
  }
}

/* Extra small devices */
@media (max-width: 360px) {
  .crm-stats-bar {
    grid-template-columns: 1fr 1fr;
  }
  
  .crm-stat-item .stat-number {
    font-size: 1.1rem;
  }
  
  .crm-tab {
    padding: 5px 8px;
    font-size: 0.65rem;
  }
  
  .preview-nav-btn {
    padding: 8px 12px;
    font-size: 0.75rem;
  }
  
  .preview-nav-btn span {
    display: none;
  }
  
  .hero-title {
    font-size: 1.5rem;
  }
}