/* ============================================
   ELVEXA CRM — Global Styles (Redesign v3)
   Design System: Warm palette, DM Sans, Glass UI
   ============================================ */

:root {
  /* Brand Colors */
  --elvexa-viola: #8B5A8C;
  --elvexa-magenta: #E91E8C;
  --elvexa-coral: #FF6B6B;
  --elvexa-yellow: #FFD93D;
  --elvexa-cyan: #00FFFF;

  /* Module Colors (sidebar) */
  --menu-pipeline: #8B5A8C;
  --menu-contacts: #3B82F6;
  --menu-conversations: #10B981;
  --menu-opportunities: #F59E0B;
  --menu-automations: #6366F1;
  --menu-chat: #E91E8C;

  /* Semantic Colors */
  --primary: #8B5A8C;
  --primary-light: #A875A9;
  --primary-dark: #6D4570;
  --primary-bg: rgba(139, 90, 140, 0.08);

  --success: #10B981;
  --success-bg: #ECFDF5;
  --warning: #F59E0B;
  --warning-bg: #FFFBEB;
  --danger: #EF4444;
  --danger-bg: #FEF2F2;
  --info: #3B82F6;
  --info-bg: #EFF6FF;

  /* Background — warm, not cold gray */
  --bg-base: #F4F3F1;
  --bg-card: #FFFFFF;
  --bg-section: #FAF9F7;
  --bg-warm: #FFFBF5;

  /* Legacy compat */
  --white: #FFFFFF;
  --black: #000000;

  /* Text */
  --text-primary: #1a1a1a;
  --text-secondary: #5a5a5a;
  --text-muted: #8a8a8a;

  /* Legacy gray scale (used by utility classes) */
  --gray-50: #FAF9F7;
  --gray-100: #F4F3F1;
  --gray-200: #E5E3DF;
  --gray-300: #D1CFC9;
  --gray-400: #8a8a8a;
  --gray-500: #5a5a5a;
  --gray-600: #4B4B4B;
  --gray-700: #3a3a3a;
  --gray-800: #1a1a1a;
  --gray-900: #111111;

  /* Borders */
  --border-color: #E5E3DF;
  --border-light: #EFEEE9;
  --border: 1px solid var(--border-color);

  /* Glass */
  --glass-bg: rgba(255, 255, 255, 0.9);
  --glass-blur: blur(20px);

  /* Communication Channels */
  --whatsapp: #25D366;
  --email-color: #4285F4;
  --phone-color: #FF9500;

  /* Typography */
  --font-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'SF Mono', 'Monaco', 'Consolas', monospace;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;

  /* Layout */
  --sidebar-width: 76px;
  --header-height: 56px;
  --panel-width: 480px;

  /* Borders / Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  /* Shadows — soft */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06), 0 2px 4px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08), 0 4px 8px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.1), 0 8px 16px rgba(0, 0, 0, 0.05);

  /* Transitions */
  --transition: 150ms ease;
  --transition-slow: 300ms ease;
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  color: var(--text-primary);
  background: var(--bg-base);
  line-height: 1.5;
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  color: var(--primary-dark);
}

img {
  max-width: 100%;
  height: auto;
}

/* ============================================
   Layout — CSS Grid
   ============================================ */
.layout {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  grid-template-rows: var(--header-height) 1fr;
  height: 100vh;
  overflow: hidden;
}

.header {
  grid-column: 1 / -1;
  grid-row: 1;
  z-index: 30;
}

.sidebar {
  grid-column: 1;
  grid-row: 2;
  z-index: 40;
}

.layout-main {
  grid-column: 2;
  grid-row: 2;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.content {
  flex: 1;
  padding: var(--space-6);
  max-width: 1400px;
  width: 100%;
}

/* ============================================
   Sidebar — 76px compact
   ============================================ */
.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-card);
  border-right: var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-3) 0;
}

.sidebar-nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) 0;
  width: 100%;
}

.sidebar-footer {
  padding: var(--space-2) 0;
  border-top: var(--border);
  width: 100%;
  display: flex;
  justify-content: center;
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 9px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  transition: all var(--transition);
  text-decoration: none;
  position: relative;
}

.nav-item .nav-icon {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: all var(--transition);
}

.nav-item .nav-label {
  font-size: 9px;
  line-height: 1;
}

/* Module colors — normal state */
.nav-item[data-module="dashboard"] .nav-icon { background: rgba(139, 90, 140, 0.1); color: var(--elvexa-viola); }
.nav-item[data-module="pipeline"] .nav-icon { background: rgba(139, 90, 140, 0.1); color: #8B5A8C; }
.nav-item[data-module="contacts"] .nav-icon { background: rgba(59, 130, 246, 0.1); color: #3B82F6; }
.nav-item[data-module="conversations"] .nav-icon { background: rgba(16, 185, 129, 0.1); color: #10B981; }
.nav-item[data-module="calendar"] .nav-icon { background: rgba(245, 158, 11, 0.1); color: #F59E0B; }
.nav-item[data-module="documents"] .nav-icon { background: rgba(99, 102, 241, 0.1); color: #6366F1; }
.nav-item[data-module="settings"] .nav-icon { background: rgba(138, 138, 138, 0.1); color: var(--text-muted); }

/* Module colors — hover */
.nav-item:hover {
  color: var(--text-primary);
}

/* Module colors — active state */
.nav-item.active[data-module="dashboard"] .nav-icon { background: var(--elvexa-viola); color: #fff; }
.nav-item.active[data-module="pipeline"] .nav-icon { background: #8B5A8C; color: #fff; }
.nav-item.active[data-module="contacts"] .nav-icon { background: #3B82F6; color: #fff; }
.nav-item.active[data-module="conversations"] .nav-icon { background: #10B981; color: #fff; }
.nav-item.active[data-module="calendar"] .nav-icon { background: #F59E0B; color: #fff; }
.nav-item.active[data-module="documents"] .nav-icon { background: #6366F1; color: #fff; }
.nav-item.active[data-module="settings"] .nav-icon { background: var(--text-muted); color: #fff; }

.nav-item.active {
  color: var(--text-primary);
}

/* ============================================
   Header — Glass
   ============================================ */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-5);
  height: var(--header-height);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: var(--border);
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex: 1;
}

.header-right {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* Logo in header */
.header-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--text-primary);
}

.logo-mark {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--elvexa-viola), var(--elvexa-magenta), var(--elvexa-coral));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 16px;
}

.logo-text {
  font-weight: 700;
  font-size: var(--text-base);
}

.logo-text span {
  background: linear-gradient(135deg, var(--elvexa-viola), var(--elvexa-magenta));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.header-divider {
  width: 1px;
  height: 24px;
  background: var(--border-color);
}

/* Breadcrumb */
.breadcrumb {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.breadcrumb i {
  font-size: 10px;
  color: var(--text-muted);
}

/* AI Status */
.ai-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-xs);
  color: var(--text-secondary);
  padding: 4px 10px;
  background: var(--bg-section);
  border-radius: var(--radius-full);
}

.ai-status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--elvexa-cyan);
  box-shadow: 0 0 6px var(--elvexa-cyan);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; box-shadow: 0 0 6px var(--elvexa-cyan); }
  50% { opacity: 0.6; box-shadow: 0 0 12px var(--elvexa-cyan); }
}

/* Search trigger */
.search-trigger {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--bg-section);
  border-radius: var(--radius-md);
  color: var(--text-muted);
  width: 260px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition);
}

.search-trigger:hover {
  background: var(--bg-base);
  border-color: var(--border-color);
}

.search-trigger i {
  font-size: 14px;
}

.search-placeholder {
  flex: 1;
  text-align: left;
  font-size: var(--text-sm);
}

.search-placeholder kbd {
  background: var(--bg-card);
  border: var(--border);
  border-radius: 4px;
  padding: 1px 5px;
  font-size: var(--text-xs);
  font-family: var(--font-sans);
  margin-left: var(--space-2);
}

/* ============================================
   Auth Layout
   ============================================ */
.auth-layout {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--bg-warm);
}

.auth-container {
  width: 100%;
  max-width: 400px;
  padding: var(--space-4);
}

.auth-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-lg);
  border: var(--border);
}

.auth-logo {
  text-align: center;
  margin-bottom: var(--space-8);
}

.auth-logo h1 {
  font-size: var(--text-2xl);
  font-weight: 700;
}

.auth-logo h1 span,
.auth-logo .gradient-text {
  background: linear-gradient(135deg, var(--elvexa-viola), var(--elvexa-magenta));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================
   Page Headers
   ============================================ */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
}

.page-title {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--text-primary);
}

.page-subtitle {
  color: var(--text-muted);
  margin-top: var(--space-1);
}

.page-actions {
  display: flex;
  gap: var(--space-2);
  align-items: center;
}

/* ============================================
   Filter Bar
   ============================================ */
.filter-bar {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  flex-wrap: wrap;
}

.filter-tabs {
  display: flex;
  background: var(--bg-section);
  border-radius: var(--radius-md);
  padding: 3px;
  border: var(--border);
}

.filter-tab {
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  border: none;
  background: none;
  transition: all var(--transition);
}

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

.filter-tab.active {
  background: var(--bg-card);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

/* ============================================
   Side Panel
   ============================================ */
.side-panel {
  position: fixed;
  right: 0;
  top: 0;
  bottom: 0;
  width: var(--panel-width);
  background: var(--bg-base);
  border-left: var(--border);
  box-shadow: var(--shadow-xl);
  z-index: 50;
  overflow-y: auto;
}

.panel-enter {
  animation: slideIn var(--transition-slow) ease;
}

.panel-leave {
  animation: slideOut var(--transition-slow) ease;
}

@keyframes slideIn {
  from { transform: translateX(100%); }
  to { transform: translateX(0); }
}

@keyframes slideOut {
  from { transform: translateX(0); }
  to { transform: translateX(100%); }
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  border-bottom: var(--border);
  position: sticky;
  top: 0;
  background: var(--bg-card);
  z-index: 1;
}

.panel-title {
  font-size: var(--text-lg);
  font-weight: 600;
}

.panel-body {
  padding: var(--space-5);
}

.panel-section {
  margin-bottom: var(--space-6);
}

.panel-section-title {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: var(--space-3);
}

/* ============================================
   Modal
   ============================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 10vh;
  z-index: 60;
}

.modal {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 560px;
  max-height: 80vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  border-bottom: var(--border);
}

.modal-title {
  font-size: var(--text-lg);
  font-weight: 600;
}

.modal-body {
  padding: var(--space-5);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-5);
  border-top: var(--border);
}

/* Search Modal */
.search-modal {
  max-width: 640px;
  padding: 0;
}

.search-modal-input {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-bottom: var(--border);
}

.search-modal-input i {
  font-size: 16px;
  color: var(--text-muted);
}

.search-modal-input input {
  flex: 1;
  border: none;
  outline: none;
  font-size: var(--text-base);
  background: transparent;
  font-family: var(--font-sans);
}

.search-results {
  max-height: 400px;
  overflow-y: auto;
}

.search-group {
  padding: var(--space-2) var(--space-5);
}

.search-group-title {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-2);
}

.search-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  cursor: pointer;
}

.search-item:hover {
  background: var(--bg-section);
}

/* ============================================
   Toast
   ============================================ */
.toast-container {
  position: fixed;
  bottom: var(--space-4);
  right: var(--space-4);
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.toast {
  background: var(--text-primary);
  color: var(--white);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-size: var(--text-sm);
  animation: toastIn 300ms ease;
}

.toast.toast-success { border-left: 3px solid var(--success); }
.toast.toast-error { border-left: 3px solid var(--danger); }

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

/* ============================================
   Utility
   ============================================ */
.icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.text-muted { color: var(--text-muted); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-primary { color: var(--primary); }
.text-sm { font-size: var(--text-sm); }
.text-xs { font-size: var(--text-xs); }
.text-lg { font-size: var(--text-lg); }
.text-center { text-align: center; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }

.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }

.grid { display: grid; }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

.hidden { display: none !important; }
.cursor-pointer { cursor: pointer; }

[x-cloak] { display: none !important; }

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    transform: translateX(-76px);
    transition: transform var(--transition-slow);
    position: fixed;
    top: var(--header-height);
    bottom: 0;
    left: 0;
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .layout-main {
    grid-column: 1;
  }

  .header {
    grid-column: 1;
  }

  .search-trigger {
    width: auto;
    min-width: 0;
  }

  .search-placeholder span {
    display: none;
  }

  .side-panel {
    width: 100%;
  }

  .grid-cols-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-cols-4 { grid-template-columns: repeat(2, 1fr); }

  .ai-status { display: none; }
  .header-divider { display: none; }
  .breadcrumb { display: none; }
}

/* ============================================
   HTMX Loading States
   ============================================ */
.htmx-indicator {
  display: none;
}

.htmx-request .htmx-indicator {
  display: inline-block;
}

.htmx-request.htmx-indicator {
  display: inline-block;
}

.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid var(--border-color);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Skeleton loading */
.skeleton {
  background: linear-gradient(90deg, var(--bg-section) 25%, var(--bg-base) 50%, var(--bg-section) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* Pagination */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  margin-top: var(--space-6);
}

.pagination a,
.pagination span {
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
}

.pagination a:hover {
  background: var(--bg-section);
}

.pagination .active {
  background: var(--primary);
  color: var(--white);
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: var(--space-12) var(--space-4);
  color: var(--text-muted);
}

.empty-state .icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-4);
}

.empty-state h3 {
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
}