/* ============================================
   Elite Workforce - Modern SaaS Stylesheet
   Company: Elite Vinyl Windows Inc.
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --primary: #ad022d;
  --primary-light: #d4034a;
  --primary-dark: #8a0224;
  --primary-bg: rgba(173, 2, 45, 0.08);
  --sidebar-bg: #1e293b;
  --sidebar-hover: #334155;
  --sidebar-active: #ad022d;
  --sidebar-text: #94a3b8;
  --sidebar-text-active: #ffffff;
  --sidebar-section: #64748b;
  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;
  --success: #10b981;
  --success-bg: rgba(16, 185, 129, 0.1);
  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.1);
  --danger: #ef4444;
  --danger-bg: rgba(239, 68, 68, 0.1);
  --info: #3b82f6;
  --info-bg: rgba(59, 130, 246, 0.1);
  --body-bg: #f1f5f9;
  --card-bg: #ffffff;
  --card-border: #e2e8f0;
  --card-shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --card-shadow-hover: 0 4px 12px rgba(0, 0, 0, 0.08);
  --radius: 8px;
  --radius-lg: 12px;
  --radius-sm: 6px;
  --transition: all 0.2s ease;
  --sidebar-width: 240px;
  --header-height: 64px;
}

/* ============================================
   Reset and Base Styles
   ============================================ */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  height: 100%;
  width: 100%;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 14px;
  line-height: 1.6;
  color: var(--gray-800);
  background-color: var(--body-bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

h1, h2, h3, h4, h5, h6 {
  color: var(--gray-900);
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 0.5rem;
}

h1 { font-size: 1.5rem; }
h2 { font-size: 1.25rem; }
h3 { font-size: 1.1rem; }

/* ============================================
   Layout Structure
   ============================================ */

.container,
.app-layout {
  display: flex;
  min-height: 100vh;
  flex-direction: row;
}

/* ============================================
   Sidebar Navigation
   ============================================ */

.sidebar {
  position: fixed;
  left: 0;
  top: 0;
  height: 100vh;
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  z-index: 1000;
  overflow-y: auto;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.sidebar::-webkit-scrollbar {
  width: 4px;
}

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

.sidebar::-webkit-scrollbar-thumb {
  background: var(--sidebar-hover);
  border-radius: 2px;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  padding: 20px 20px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  gap: 12px;
}

.sidebar-logo-img {
  width: 40px !important;
  height: 40px !important;
  max-width: 40px !important;
  border-radius: var(--radius-sm);
  object-fit: cover;
}

.sidebar-logo-text {
  flex: 1;
  min-width: 0;
}

.sidebar-logo-text .app-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.5px;
  margin-bottom: 0;
  line-height: 1.2;
}

.sidebar-logo-text .app-subtitle {
  font-size: 11px;
  color: var(--sidebar-text);
  margin: 0;
  font-weight: 400;
}

/* Sidebar Section Labels */
.sidebar-section {
  padding: 20px 20px 8px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--sidebar-section);
}

/* Sidebar Navigation */
.sidebar-nav {
  list-style: none;
  padding: 8px 0;
  flex: 1;
}

.sidebar-nav-item {
  margin: 1px 8px;
}

.sidebar-nav-link {
  display: flex;
  align-items: center;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--sidebar-text);
  font-size: 13.5px;
  font-weight: 500;
  transition: var(--transition);
  gap: 10px;
  text-decoration: none;
  position: relative;
}

.sidebar-nav-link:hover {
  background: var(--sidebar-hover);
  color: var(--sidebar-text-active);
  text-decoration: none;
}

.sidebar-nav-link.active {
  background: var(--sidebar-active);
  color: var(--sidebar-text-active);
  font-weight: 600;
}

.sidebar-nav-icon {
  font-size: 16px;
  width: 22px;
  text-align: center;
  flex-shrink: 0;
  line-height: 1;
}

.sidebar-nav-label {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav-badge {
  background: var(--danger);
  color: white;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 10px;
  line-height: 1.2;
  min-width: 18px;
  text-align: center;
}

/* Sidebar Logout */
.sidebar-logout {
  padding: 12px 20px;
  border-top: 1px solid rgba(255,255,255,0.06);
  margin-top: auto;
}

/* ============================================
   Main Content Area
   ============================================ */

.main-container {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ============================================
   Header / Top Bar
   ============================================ */

.header {
  position: sticky;
  top: 0;
  z-index: 900;
  background: var(--white);
  border-bottom: 1px solid var(--card-border);
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header-left h1 {
  font-size: 18px;
  font-weight: 600;
  color: var(--gray-900);
  margin: 0;
}

.search-bar {
  position: relative;
}

.search-input {
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 8px 14px 8px 36px;
  font-size: 13px;
  color: var(--gray-700);
  width: 280px;
  transition: var(--transition);
  font-family: inherit;
}

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

.search-input::placeholder {
  color: var(--gray-400);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.notification-bell {
  background: none;
  border: none;
  font-size: 18px;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius);
  position: relative;
  transition: var(--transition);
  line-height: 1;
}

.notification-bell:hover {
  background: var(--gray-100);
}

.notification-count {
  position: absolute;
  top: 2px;
  right: 2px;
  background: var(--danger);
  color: white;
  font-size: 10px;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: 10px;
  line-height: 1.3;
  min-width: 16px;
  text-align: center;
}

/* User Dropdown */
.user-dropdown {
  position: relative;
}

.user-dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  border-radius: var(--radius);
  transition: var(--transition);
}

.user-dropdown-toggle:hover {
  background: var(--gray-100);
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.user-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-700);
}

.user-dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--white);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  min-width: 180px;
  z-index: 1050;
  display: none;
  overflow: hidden;
}

.user-dropdown-menu.show {
  display: block;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  color: var(--gray-700);
  font-size: 13px;
  transition: var(--transition);
}

.dropdown-item:hover {
  background: var(--gray-50);
  color: var(--gray-900);
  text-decoration: none;
}

.dropdown-item-danger {
  color: var(--danger);
}

.dropdown-item-danger:hover {
  background: var(--danger-bg);
  color: var(--danger);
}

/* ============================================
   Main Content
   ============================================ */

.main-content {
  flex: 1;
  padding: 28px;
}

.flash-messages {
  padding: 0 28px;
}

/* Page Header */
.page-header {
  margin-bottom: 24px;
}

.page-header h1 {
  font-size: 22px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 4px;
}

.page-header p {
  color: var(--gray-500);
  font-size: 14px;
  margin: 0;
}

.page-container {
  max-width: 100%;
}

.dashboard-container {
  max-width: 100%;
}

/* ============================================
   Cards
   ============================================ */

.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: var(--transition);
}

.card:hover {
  box-shadow: var(--card-shadow-hover);
}

.card-body {
  padding: 0;
}

.card h2 {
  font-size: 16px;
  font-weight: 600;
  color: var(--gray-900);
}

.card h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-800);
}

/* ============================================
   Stat Cards (Dashboard)
   ============================================ */

.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: var(--transition);
}

.stat-card:hover {
  box-shadow: var(--card-shadow-hover);
  border-color: var(--gray-300);
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.stat-icon.blue { background: var(--info-bg); }
.stat-icon.green { background: var(--success-bg); }
.stat-icon.red { background: var(--danger-bg); color: var(--danger); }
.stat-icon.yellow { background: var(--warning-bg); }
.stat-icon.primary { background: var(--primary-bg); }

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

.stat-label {
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--gray-500);
  margin-bottom: 4px;
}

.stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1.1;
}

.stat-subtitle {
  font-size: 12px;
  color: var(--gray-400);
  margin-top: 2px;
}

/* ============================================
   Grid System
   ============================================ */

.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }
.grid-6 { grid-template-columns: repeat(6, 1fr); }

@media (max-width: 1200px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4, .grid-5, .grid-6 {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Buttons
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 18px;
  font-size: 13px;
  font-weight: 500;
  font-family: inherit;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
  line-height: 1.4;
}

.btn:hover { text-decoration: none; }

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

.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: var(--white);
  box-shadow: 0 2px 8px rgba(173, 2, 45, 0.3);
}

.btn-secondary {
  background: var(--white);
  color: var(--gray-700);
  border-color: var(--gray-300);
}

.btn-secondary:hover {
  background: var(--gray-50);
  border-color: var(--gray-400);
  color: var(--gray-900);
}

.btn-success {
  background: var(--success);
  color: var(--white);
  border-color: var(--success);
}

.btn-success:hover {
  background: #059669;
  box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
  color: var(--white);
}

.btn-danger {
  background: var(--danger);
  color: var(--white);
  border-color: var(--danger);
}

.btn-danger:hover {
  background: #dc2626;
  color: var(--white);
}

.btn-info {
  background: var(--info);
  color: var(--white);
  border-color: var(--info);
}

.btn-info:hover {
  background: #2563eb;
  color: var(--white);
}

.btn-warning {
  background: var(--warning);
  color: var(--gray-900);
  border-color: var(--warning);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: var(--white);
}

.btn-small, .btn-sm {
  padding: 5px 12px;
  font-size: 12px;
}

.btn-large, .btn-lg {
  padding: 12px 24px;
  font-size: 15px;
}

.btn-block {
  width: 100%;
}

.btn-icon {
  padding: 8px;
  width: 36px;
  height: 36px;
}

/* ============================================
   Tables
   ============================================ */

.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

thead {
  background: var(--gray-50);
}

thead th {
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--gray-500);
  border-bottom: 1px solid var(--gray-200);
  white-space: nowrap;
}

tbody td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--gray-100);
  color: var(--gray-700);
  vertical-align: middle;
}

tbody tr {
  transition: var(--transition);
}

tbody tr:hover {
  background: var(--gray-50);
}

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

/* ============================================
   Badges
   ============================================ */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  font-size: 11px;
  font-weight: 600;
  border-radius: 20px;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.badge-primary {
  background: var(--primary-bg);
  color: var(--primary);
}

.badge-success, .badge-green {
  background: var(--success-bg);
  color: var(--success);
}

.badge-danger, .badge-red {
  background: var(--danger-bg);
  color: var(--danger);
}

.badge-warning, .badge-yellow {
  background: var(--warning-bg);
  color: #b45309;
}

.badge-info, .badge-blue {
  background: var(--info-bg);
  color: var(--info);
}

.badge-gray {
  background: var(--gray-100);
  color: var(--gray-600);
}

/* ============================================
   Forms
   ============================================ */

.form-group {
  margin-bottom: 20px;
}

.form-group label, label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-700);
  margin-bottom: 6px;
}

.form-control,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="tel"],
input[type="date"],
input[type="datetime-local"],
input[type="url"],
input[type="search"],
select,
textarea {
  width: 100%;
  padding: 9px 14px;
  font-size: 13px;
  font-family: inherit;
  color: var(--gray-800);
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  transition: var(--transition);
  line-height: 1.5;
}

.form-control:focus,
input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-bg);
}

.form-control::placeholder,
input::placeholder,
textarea::placeholder {
  color: var(--gray-400);
}

textarea {
  min-height: 100px;
  resize: vertical;
}

select {
  appearance: auto;
  cursor: pointer;
}

/* ============================================
   Alerts
   ============================================ */

.alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 13px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid;
}

.alert-success {
  background: var(--success-bg);
  color: #065f46;
  border-color: #a7f3d0;
}

.alert-danger {
  background: var(--danger-bg);
  color: #991b1b;
  border-color: #fecaca;
}

.alert-warning {
  background: var(--warning-bg);
  color: #92400e;
  border-color: #fde68a;
}

.alert-info {
  background: var(--info-bg);
  color: #1e40af;
  border-color: #bfdbfe;
}

/* ============================================
   Utilities
   ============================================ */

.text-muted { color: var(--gray-500); }
.text-success { color: var(--success) !important; }
.text-danger { color: var(--danger) !important; }
.text-warning { color: var(--warning) !important; }
.text-info { color: var(--info) !important; }
.text-primary { color: var(--primary) !important; }
.text-white { color: var(--white) !important; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-small { font-size: 12px; }

.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.p-1 { padding: 8px; }
.p-2 { padding: 16px; }
.p-3 { padding: 24px; }
.px-2 { padding-left: 16px; padding-right: 16px; }
.py-2 { padding-top: 16px; padding-bottom: 16px; }

.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.flex-center { display: flex; align-items: center; }
.flex-wrap { flex-wrap: wrap; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.gap-3 { gap: 24px; }

.hidden { display: none !important; }
.block { display: block; }
.w-full { width: 100%; }
.rounded { border-radius: var(--radius); }

/* ============================================
   Footer
   ============================================ */

.footer {
  padding: 16px 28px;
  text-align: center;
  color: var(--gray-400);
  font-size: 12px;
  border-top: 1px solid var(--card-border);
  margin-left: var(--sidebar-width);
  background: var(--white);
}

/* ============================================
   Login Page
   ============================================ */

body.login-page {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 50%, #ad022d 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

body.login-page .login-container {
  width: 100%;
  max-width: 420px;
  padding: 20px;
}

body.login-page .login-box {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  border: none;
}

body.login-page .login-box:hover {
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

body.login-page .login-header {
  text-align: center;
  margin-bottom: 32px;
}

body.login-page .login-header h1 {
  font-size: 24px;
  font-weight: 700;
  color: var(--gray-900);
  letter-spacing: 1px;
  margin-bottom: 6px;
}

body.login-page .login-header p {
  color: var(--gray-500);
  font-size: 14px;
  margin: 0;
}

body.login-page .login-logo-img {
  width: 64px;
  height: 64px;
  border-radius: var(--radius);
  margin-bottom: 16px;
}

body.login-page .form-group label {
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-600);
}

body.login-page .btn-primary {
  padding: 12px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius);
  margin-top: 8px;
}

/* ============================================
   Module Cards (like Cothery product cards)
   ============================================ */

.module-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  transition: var(--transition);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: block;
}

.module-card:hover {
  border-color: var(--gray-300);
  box-shadow: var(--card-shadow-hover);
  text-decoration: none;
  color: inherit;
}

.module-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.module-card-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 600;
  color: var(--gray-900);
}

.module-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.module-dot.blue { background: var(--info); }
.module-dot.green { background: var(--success); }
.module-dot.red { background: var(--primary); }
.module-dot.yellow { background: var(--warning); }
.module-dot.purple { background: #8b5cf6; }

.module-card-arrow {
  color: var(--gray-400);
  font-size: 18px;
}

.module-card-stats {
  display: flex;
  gap: 24px;
  border-top: 1px solid var(--gray-100);
  padding-top: 12px;
}

.module-stat {
  flex: 1;
}

.module-stat-label {
  font-size: 11px;
  color: var(--gray-500);
  margin-bottom: 2px;
}

.module-stat-value {
  font-size: 20px;
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1.2;
}

.module-stat-sub {
  font-size: 11px;
  color: var(--success);
}

/* ============================================
   Knowledge Base
   ============================================ */

.kb-category-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  transition: var(--transition);
  display: block;
  text-decoration: none;
  color: inherit;
}

.kb-category-card:hover {
  border-color: var(--primary);
  box-shadow: var(--card-shadow-hover);
  text-decoration: none;
}

.kb-article-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 16px 20px;
  transition: var(--transition);
  display: block;
  text-decoration: none;
  color: inherit;
}

.kb-article-card:hover {
  border-color: var(--primary);
  box-shadow: var(--card-shadow);
  text-decoration: none;
}

/* ============================================
   Chat
   ============================================ */

.chat-container {
  display: flex;
  height: calc(100vh - var(--header-height) - 56px);
  background: var(--white);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.chat-sidebar {
  width: 280px;
  border-right: 1px solid var(--card-border);
  display: flex;
  flex-direction: column;
  background: var(--gray-50);
}

.chat-main {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
}

.chat-input-area {
  padding: 16px;
  border-top: 1px solid var(--card-border);
  background: var(--white);
}

.chat-message {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
}

.chat-message-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--primary-bg);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  flex-shrink: 0;
}

.chat-message-content {
  flex: 1;
}

.chat-message-sender {
  font-weight: 600;
  font-size: 13px;
  color: var(--gray-900);
}

.chat-message-time {
  font-size: 11px;
  color: var(--gray-400);
  margin-left: 8px;
  font-weight: 400;
}

.chat-message-text {
  font-size: 13px;
  color: var(--gray-700);
  line-height: 1.5;
  margin-top: 4px;
}

/* ============================================
   Tabs
   ============================================ */

.tabs {
  display: flex;
  border-bottom: 2px solid var(--gray-200);
  margin-bottom: 24px;
  gap: 0;
}

.tab {
  padding: 10px 20px;
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-500);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: var(--transition);
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
  font-family: inherit;
}

.tab:hover {
  color: var(--gray-700);
}

.tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  font-weight: 600;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* ============================================
   Pagination
   ============================================ */

.pagination {
  display: flex;
  gap: 4px;
  align-items: center;
  justify-content: center;
  margin-top: 24px;
}

.pagination a, .pagination span {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  border: 1px solid var(--gray-200);
  color: var(--gray-600);
  transition: var(--transition);
}

.pagination a:hover {
  background: var(--gray-100);
  border-color: var(--gray-300);
  text-decoration: none;
}

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

/* ============================================
   Empty States
   ============================================ */

.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--gray-400);
}

.empty-state-icon {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-state-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--gray-600);
  margin-bottom: 8px;
}

.empty-state-text {
  font-size: 14px;
  color: var(--gray-400);
  max-width: 400px;
  margin: 0 auto;
}

/* ============================================
   Toast Notifications
   ============================================ */

#toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  background: var(--white);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 14px 20px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
  font-size: 13px;
  min-width: 280px;
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }

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

  .main-container {
    margin-left: 0;
  }

  .footer {
    margin-left: 0;
  }

  .header {
    padding: 0 16px;
  }

  .main-content {
    padding: 16px;
  }

  .search-input {
    width: 180px;
  }
}

/* ============================================
   Install Page Styles
   ============================================ */

.install-container {
  max-width: 600px;
  margin: 40px auto;
  padding: 20px;
}

.install-box {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--card-shadow);
}

.install-header {
  text-align: center;
  margin-bottom: 32px;
}

.install-step {
  padding: 12px 0;
  border-bottom: 1px solid var(--gray-100);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
}

.install-step .check {
  color: var(--success);
  font-size: 16px;
}

/* ============================================
   Breadcrumb
   ============================================ */

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--gray-500);
  margin-bottom: 16px;
}

.breadcrumb a {
  color: var(--gray-500);
}

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

.breadcrumb-separator {
  color: var(--gray-300);
}

/* ============================================
   Tags
   ============================================ */

.tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  background: var(--gray-100);
  color: var(--gray-600);
  border-radius: 4px;
  font-size: 11px;
  font-weight: 500;
}

.tag-primary {
  background: var(--primary-bg);
  color: var(--primary);
}

/* ============================================
   Filter Bar
   ============================================ */

.filter-bar {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.filter-bar .form-control,
.filter-bar input,
.filter-bar select {
  width: auto;
  min-width: 180px;
}

/* ============================================
   Data List
   ============================================ */

.data-list-item {
  display: flex;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid var(--gray-100);
  gap: 12px;
}

.data-list-item:last-child {
  border-bottom: none;
}

/* ============================================
   Progress Bar
   ============================================ */

.progress-bar {
  height: 8px;
  background: var(--gray-200);
  border-radius: 4px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.5s ease;
}

.progress-bar-fill.green { background: var(--success); }
.progress-bar-fill.red { background: var(--danger); }
.progress-bar-fill.yellow { background: var(--warning); }
.progress-bar-fill.blue { background: var(--info); }
.progress-bar-fill.primary { background: var(--primary); }

/* ============================================
   Color dot indicators
   ============================================ */

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

.status-dot.green { background: var(--success); }
.status-dot.red { background: var(--danger); }
.status-dot.yellow { background: var(--warning); }
.status-dot.blue { background: var(--info); }
.status-dot.gray { background: var(--gray-400); }

/* ============================================
   Misc / Legacy Compat
   ============================================ */

.text-muted { color: var(--gray-500); }

.card-header {
  font-size: 16px;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--gray-100);
}

.action-link {
  color: var(--primary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
}

.action-link:hover {
  color: var(--primary-dark);
}

/* Section dividers */
.section-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--gray-500);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--gray-100);
}