/* Modern Design System - Inspired by Cortica.com */

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

/* CSS Custom Properties */
:root {
  /* Color Palette - Updated, No Yellow/Peach */
  --bg-primary: #FFFBF2; /* Soft cream, keep for warmth */
  --bg-secondary: #FFFFFF;
  --bg-card: #F5F8FA; /* Light blue/gray for cards */
  --text-primary: #0C2B47;
  --text-secondary: #4A5568;
  --text-muted: #718096;
  --accent-gold: #EAF6FF; /* Replaces yellow with soft blue */
  --accent-gold-dark: #D6EFFF; /* Lighter blue for gradients */
  --accent-teal: #174B4F;
  --accent-blue: #0C2B47;
  --accent-green: #F0FFF4;
  --accent-red: #FED7D7;
  --border-light: #E2E8F0;
  --border-medium: #CBD5E0;
  --shadow-soft: 0px 4px 12px rgba(0,0,0,0.05);
  --shadow-medium: 0 10px 15px -3px rgba(12, 43, 71, 0.1), 0 4px 6px -2px rgba(12, 43, 71, 0.05);
  --shadow-large: 0 20px 25px -5px rgba(12, 43, 71, 0.1), 0 10px 10px -5px rgba(12, 43, 71, 0.04);
  
  /* Typography */
  --font-family: 'Inter', 'Helvetica Neue', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2.5rem;
  --font-size-4xl: 3.5rem;
  
  /* 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;
  --space-16: 4rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-3xl: 2rem;
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-family);
  /* background-color: var(--bg-primary); */
  color: var(--text-primary);
  line-height: 1.6;
  font-size: var(--font-size-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
    
  background: #c3cfe2;
  height: 100vh;
  margin: 0;
  padding: 0;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--space-4);
  color: var(--text-primary);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
  margin-bottom: var(--space-4);
}

/* Navigation */
.navbar {
  background: var(--accent-teal) !important;
  border-bottom: 1px solid var(--border-light);
  box-shadow: var(--shadow-soft);
  padding: var(--space-4) 0;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  width: 100%;
}

.navbar-brand {
  font-weight: 700;
  font-size: var(--font-size-xl);
  color: var(--bg-primary) !important;
  text-decoration: none;
}

.navbar-brand:hover {
  color: var(--accent-gold) !important;
}

.navbar-nav .nav-link {
  color: var(--bg-primary) !important;
  font-weight: 500;
  padding: var(--space-2) var(--space-4) !important;
  border-radius: var(--radius-xl);
  transition: all 0.3s ease;
}

.navbar-nav .nav-link:hover {
  color: var(--text-primary) !important;
  background-color: var(--accent-gold);
  transform: translateY(-1px);
}

.navbar-toggler {
  border: none;
  padding: var(--space-2);
  color: var(--bg-primary);
}

.navbar-toggler:focus {
  box-shadow: none;
}

/* Buttons */
.btn {
  font-family: var(--font-family);
  font-weight: 500;
  border-radius: 16px;
  padding: var(--space-3) var(--space-6);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  box-shadow: var(--shadow-soft);
}

.btn-primary {
  background: var(--accent-blue);
  color: #fff;
  box-shadow: var(--shadow-soft);
}

.btn-primary:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-soft);
  background: var(--accent-teal);
  color: #fff;
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--accent-teal);
  border: 1px solid var(--accent-blue);
}

.btn-secondary:hover {
  background: var(--accent-blue);
  color: #fff;
  border-color: var(--accent-blue);
  transform: scale(1.02);
}

.btn-success {
  background: var(--accent-green);
  color: var(--text-primary);
}

.btn-success:hover {
  background: #E6FFFA;
  transform: scale(1.02);
}

.btn-danger {
  background: var(--accent-red);
  color: var(--text-primary);
}

.btn-danger:hover {
  background: #FEB2B2;
  transform: scale(1.02);
}

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-xs);
  border-radius: 12px;
}

.btn-lg {
  /* padding: var(--space-4) var(--space-8); */
  font-size: var(--font-size-base);
  border-radius: 20px;
}

/* Forms */
.form-control {
  font-family: var(--font-family);
  border: 1px solid var(--border-medium);
  border-radius: 4px;
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-base);
  transition: all 0.3s ease;
  background: var(--bg-card);
  color: var(--text-primary);
}

.form-control:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(99, 123, 255, 0.1);
  outline: none;
}

.form-control::placeholder {
  color: var(--text-muted);
}

.form-label {
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
  font-size: var(--font-size-sm);
}

.form-text {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  margin-top: var(--space-1);
}

.form-select {
  font-family: var(--font-family);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  padding: var(--space-3) var(--space-4);
  background: var(--bg-card);
  color: var(--text-primary);
  transition: all 0.3s ease;
}

.form-select:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(99, 123, 255, 0.1);
  outline: none;
}

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-soft);
  transition: all 0.3s ease;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-medium);
}

.card-header {
  background: var(--accent-blue);
  color: #fff;
  border-bottom: 1px solid var(--border-light);
  padding: var(--space-4);
  font-weight: 600;
}

.card-body {
  padding: var(--space-6);
}

.card-footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-light);
  padding: var(--space-4);
}

/* Alerts */
.alert {
  border-radius: var(--radius-xl);
  padding: var(--space-4);
  margin-bottom: var(--space-4);
  border: none;
  font-weight: 500;
}

.alert-success {
  background: var(--accent-green);
  color: var(--text-primary);
}

.alert-danger {
  background: var(--accent-red);
  color: var(--text-primary);
}

.alert-warning {
  background: var(--accent-gold);
  color: var(--text-primary);
  border-left: 4px solid var(--accent-blue);
}

.alert-info {
  background: rgba(99, 123, 255, 0.1);
  color: var(--text-primary);
  border-left: 4px solid var(--accent-blue);
}

/* Tables */
.table {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.table th {
  background: var(--accent-teal);
  color: var(--bg-primary);
  font-weight: 600;
  padding: var(--space-4);
  border: none;
}

.table td {
  padding: var(--space-4);
  border-bottom: 1px solid var(--border-light);
  color: var(--text-secondary);
}

.table tbody tr:hover {
  background: var(--accent-gold);
  transition: background 0.3s ease;
}

/* Utility Classes */
.text-primary { color: var(--text-primary) !important; }
.text-secondary { color: var(--text-secondary) !important; }
.text-muted { color: var(--text-muted) !important; }

.bg-primary { background-color: var(--bg-primary) !important; }
.bg-secondary { background-color: var(--bg-secondary) !important; }
.bg-card { background-color: var(--bg-card) !important; }
.bg-accent { background-color: var(--accent-gold) !important; }

.rounded-lg { border-radius: var(--radius-xl) !important; }
.rounded-xl { border-radius: var(--radius-2xl) !important; }
.rounded-2xl { border-radius: var(--radius-3xl) !important; }

.shadow-soft { box-shadow: var(--shadow-soft) !important; }
.shadow-medium { box-shadow: var(--shadow-medium) !important; }

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.main-content {
  /* padding: var(--space-8) 0; */
  min-height: calc(100vh - 140px);
  padding-top: 80px; /* Account for fixed navbar */
  padding-bottom: 80px; /* Account for fixed footer */
}

/* Chat page specific - no extra padding since we handle layout differently */
.main-content:has(.container-fluid) {
  padding-top: 80px !important; /* Only navbar height */
  padding-bottom: 0 !important; /* No footer padding for chat */
  min-height: 100vh !important; /* Full height */
  display: flex !important;
  flex-direction: column !important;
}

.footer {
  background: var(--accent-teal);
  color: #fff !important;
  padding: 16px;
  text-align: center;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 999;
  width: 100%;
}

.footer p {
  color: #fff !important;
  opacity: 1 !important;
  text-shadow: none !important;
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-3);
  }
  
  .card-body {
    padding: var(--space-4);
  }
  
  .btn {
    padding: var(--space-2) var(--space-4);
  }
  
  h1 { font-size: var(--font-size-3xl); }
  h2 { font-size: var(--font-size-2xl); }
  h3 { font-size: var(--font-size-xl); }
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.5s ease-out;
}

/* Auth Pages */
.auth-container {
  min-height: 100vh; /* Full height when header/footer are hidden */
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0; /* No padding needed when header/footer are hidden */
  background: var(--bg-primary);
  overflow: hidden;
}

/* Hide header and footer on auth pages using a more reliable approach */

.auth-card {
  background: var(--bg-card);
  border-radius: 8px;
  box-shadow: var(--shadow-medium);
  /* padding: var(--space-8); */
  padding: 48px 40px;
  width: 100%;
  max-width: 420px;
  border: 1px solid var(--border-light);
}

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

.auth-header h1 {
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.auth-header p {
  color: var(--text-secondary);
  margin-bottom: 0;
}

/* Chat Interface */
.chat-container {
  background: none;
  border: none;
  border-radius: 0;
  box-shadow: none;
  height: auto;
  padding: 0;
}

.chat-messages {
  padding: var(--space-6) var(--space-6) var(--space-4) var(--space-6);
  margin-bottom: var(--space-4);
  background: none;
}

.message {
  margin-top: var(--space-6);
  margin-bottom: var(--space-6);
  padding: var(--space-4);
  border-radius: var(--radius-2xl);
  max-width: 80%;
  animation: fadeIn 0.3s ease;
  box-shadow: 0 2px 8px rgba(12,43,71,0.04);
}

.message.user {
  background: #174B4F !important;
  color: #fff !important;
  max-width: 60%;
  margin-right: 0;
  margin-left: auto;
  padding: 1.25rem 1.5rem;
  border-radius: 18px 18px 6px 18px;
}

.message.bot {
  background: #fff !important;
  margin-left: 0;
  margin-right: auto;
  color: var(--text-primary);
}

.message.loading {
  display: flex !important;
  align-items: center !important;
  justify-content: flex-start !important;
  min-width: 120px;
  min-height: 40px;
  border: 1px solid #e5e5e5;
  background: var(--accent-gold);
  box-shadow: 0 2px 8px rgba(12,43,71,0.04);
}

.thinking-dots {
  display: flex !important;
  align-items: center !important;
  justify-content: flex-start !important;
  width: 40px;
  height: 16px;
  margin: 8px 0 0 0 !important;
  gap: 6px;
}

.thinking-dots span {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--accent-blue);
  border-radius: 50%;
  animation: thinking-bounce 1.2s infinite ease-in-out both;
}

.thinking-dots span:nth-child(1) {
  animation-delay: -0.32s;
}
.thinking-dots span:nth-child(2) {
  animation-delay: -0.16s;
}
.thinking-dots span:nth-child(3) {
  animation-delay: 0s;
}

.thinking-dots::before,
.thinking-dots::after {
  display: none !important;
  content: none !important;
}

.chat-input {
  padding: var(--space-4) var(--space-6) var(--space-6) var(--space-6);
  background: none;
  border-top: none;
}

.chat-input .input-group {
  display: flex;
  align-items: stretch;
}

.chat-input input[type='text'] {
  border-top-right-radius: 0 !important;
  border-bottom-right-radius: 0 !important;
  border-top-left-radius: var(--radius-xl) !important;
  border-bottom-left-radius: var(--radius-xl) !important;
  min-height: 48px !important;
  height: 48px !important;
  box-shadow: none !important;
}

.chat-input button[type='submit'] {
  border-top-left-radius: 0 !important;
  border-bottom-left-radius: 0 !important;
  border-top-right-radius: var(--radius-xl) !important;
  border-bottom-right-radius: var(--radius-xl) !important;
  height: 48px !important;
  min-width: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: 0 !important;
  box-shadow: none !important;
  padding: 0 !important;
}

/* Admin Dashboard */
.admin-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.stat-card {
  background: var(--bg-card);
  border-radius: var(--radius-2xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--border-light);
  transition: all 0.3s ease;
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-medium);
}

.stat-number {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--accent-blue);
  margin-bottom: var(--space-2);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  font-weight: 500;
}

/* Loading States */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid var(--border-light);
  border-radius: 50%;
  border-top-color: var(--accent-blue);
  animation: spin 1s ease-in-out infinite;
}

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

/* Sidebar Styles */
.sidebar {
  background: var(--bg-card);
  border-right: 1px solid var(--border-light);
  height: calc(100vh - 80px) !important; /* Full height minus navbar */
  position: fixed;
  top: 80px; /* Below fixed navbar */
  left: 0;
  z-index: 1000;
  overflow-y: auto;
  transition: left 0.3s cubic-bezier(.4,0,.2,1);
  width: 280px; /* Fixed width for sidebar */
}

.sidebar-sticky {
  position: relative;
  height: 100%;
  padding-top: var(--space-4);
  display: flex;
  flex-direction: column;
}

.sidebar-header {
  border-bottom: 1px solid var(--border-light);
  margin-bottom: var(--space-4);
  margin-top: 27px;
}

.sidebar-title {
  color: var(--text-primary);
  font-weight: 600;
}

.sessions-list {
  padding: 0 var(--space-3);
  flex: 1; /* Take remaining space */
  overflow-y: auto; /* Allow scrolling if many sessions */
}

.session-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.session-item {
  margin-bottom: var(--space-2);
}

.session-card {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-3);
  border: 1px solid var(--border-light);
  transition: all 0.3s ease;
  position: relative;
}

.session-card:hover {
  background: var(--accent-gold);
  transform: translateX(4px);
}

.session-card.active {
  background: #174B4F !important;
  border-color: var(--accent-blue);
}

.session-link {
  text-decoration: none;
  color: var(--text-primary);
  display: block;
  width: 100%;
}

.session-info {
  flex: 1;
}

.session-icon {
  color: var(--accent-blue);
  margin-bottom: var(--space-1);
}

.session-title {
  font-weight: 500;
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-1);
}

.session-date {
  font-size: var(--font-size-xs);
  color: #fff !important;
}

.session-delete-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  padding: var(--space-1);
  border-radius: var(--radius-sm);
  transition: all 0.3s ease;
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
}

.session-delete-btn:hover {
  background: var(--accent-red);
  color: var(--text-primary);
}

.empty-sessions {
  text-align: center;
  padding: var(--space-8) var(--space-4);
  color: var(--text-muted);
}

.empty-icon {
  margin-bottom: var(--space-4);
  opacity: 0.5;
}

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

/* Chat Header */
.chat-header {
  padding: var(--space-6) 0;
  border-bottom: 1px solid var(--border-light);
  margin-bottom: var(--space-6);
}

/* Message Feedback */
.message-feedback {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.btn-feedback {
  background: none;
  border: 1px solid var(--border-light);
  color: var(--text-muted);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  transition: all 0.3s ease;
}

.btn-feedback:hover {
  background: var(--accent-gold);
  color: var(--text-primary);
  border-color: var(--accent-gold);
}

.btn-feedback.active {
  background: var(--accent-blue);
  color: var(--bg-card);
  border-color: var(--accent-blue);
}

/* Welcome Container */
.welcome-container {
  text-align: center;
  padding: var(--space-8);
  color: var(--text-secondary);
}

.icon-container {
  margin-bottom: var(--space-4);
  color: var(--accent-blue);
}

/* System Message */
.system-message {
  padding: var(--space-4);
  text-align: center;
  display: flex;
  align-items: flex-start; /* Align to top instead of center */
  justify-content: center;
  min-height: 200px; /* Minimum height instead of taking full space */
}

/* Hero Section */
.hero-section {
  padding: var(--space-16) 0;
  background: linear-gradient(135deg, var(--accent-gold) 0%, var(--bg-primary) 100%);
  margin-bottom: var(--space-8);
  border-radius: var(--radius-3xl);
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="%23D6EFFF" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="%23D6EFFF" opacity="0.1"/><circle cx="50" cy="10" r="0.5" fill="%23D6EFFF" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  pointer-events: none;
}

.hero-section .container {
  position: relative;
  z-index: 1;
}

.hero-image {
  max-height: 400px;
  filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.1));
}

/* Features Section */
.features-section {
  padding: var(--space-16) 0;
}

.feature-card {
  transition: all 0.3s ease;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-3xl);
  box-shadow: var(--shadow-soft);
  background: var(--bg-card);
  overflow: hidden;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-medium);
  border-color: var(--accent-gold);
}

.feature-icon {
  height: 80px;
  width: 80px;
  border-radius: var(--radius-3xl);
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-gold-dark));
  margin: 0 auto;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  box-shadow: var(--shadow-soft);
}

.feature-card:hover .feature-icon {
  transform: scale(1.1);
  transition: transform 0.3s ease;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .hero-section {
    padding: var(--space-8) 0;
    text-align: center;
  }
  
  .hero-section h1 {
    font-size: var(--font-size-3xl);
  }
  
  .d-flex.gap-3 {
    flex-direction: column;
    gap: var(--space-3) !important;
  }
  
  .d-flex.gap-3 .btn {
    width: 100%;
  }
  
  .sidebar {
    position: fixed;
    top: 80px; /* Account for fixed navbar */
    left: -100%;
    width: 280px;
    height: calc(100vh - 80px); /* Account for fixed navbar */
    transition: left 0.3s ease;
    z-index: 2000; /* Higher z-index for mobile overlay */
  }
  
  .sidebar.show {
    left: 0;
  }
}

.main-chat-area {
  max-width: 700px;
  margin: 0 auto;
  padding-bottom: var(--space-4);
  height: calc(100vh - 140px); /* Full height minus navbar and footer */
  display: flex;
  flex-direction: column;
  margin-left: 300px; /* Account for expanded sidebar */
  transition: margin-left 0.3s ease;
  padding-top: var(--space-4); /* Add some top padding */
}

@media (max-width: 900px) {
  .main-chat-area {
    max-width: 100%;
    padding-left: var(--space-2);
    padding-right: var(--space-2);
    margin-left: 0 !important; /* Reset margin on mobile */
    height: calc(100vh - 140px) !important; /* Maintain height on mobile */
  }
  
  .main-chat-area.sidebar-collapsed {
    margin-left: 0 !important; /* No sidebar adjustment needed on mobile */
  }
  
  .sidebar {
    width: 100% !important;
    left: -100% !important;
    top: 80px !important;
    height: calc(100vh - 80px) !important;
    transition: left 0.3s ease;
  }
  
  .sidebar.show {
    left: 0 !important;
  }
}

/* Sidebar collapse/expand styles */
.sidebar.collapsed .sidebar-sticky,
.sidebar.collapsed .sessions-list,
.sidebar.collapsed .sidebar-header {
  display: none !important;
}

.sidebar.collapsed {
  width: 48px !important;
  min-width: 48px !important;
  overflow: hidden !important;
}

/* Adjust main chat area when sidebar is collapsed */
.sidebar.collapsed ~ .col-md-9.col-lg-10 .main-chat-area,
body:has(.sidebar.collapsed) .main-chat-area {
  margin-left: 68px !important; /* Collapsed sidebar width + padding */
}

/* Alternative selector for collapsed sidebar - more specific */
.main-chat-area.sidebar-collapsed {
  margin-left: 68px !important;
}

/* Direct approach - when sidebar has collapsed class, adjust chat area */
.sidebar.collapsed + * .main-chat-area,
.col-md-9:has(.main-chat-area) .main-chat-area.sidebar-collapsed {
  margin-left: 68px !important;
}

.sidebar-toggle-btn {
  position: fixed;
  top: 120px; /* Adjusted for fixed navbar */
  left: 0;
  z-index: 3000;
  background: #0f62b5;
  color: #fff;
  border: none;
  border-radius: 0 16px 16px 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-soft);
  cursor: pointer;
  transform: translateY(-50%);
  transition: left 0.3s;
  font-size: 1.5rem;
}

.sidebar:not(.collapsed) + .sidebar-toggle-btn {
  left: 280px;
}

._custom-chat-area {
  max-width: 100%;
  display: flex;
  flex-direction: column;

  justify-content: flex-start; /* Start from top */
}

._custom-chat-area .chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4) var(--space-6) var(--space-2) var(--space-6);
  scroll-behavior: smooth;
  min-height: 0; /* Important for flex child with overflow */
  display: flex;
  flex-direction: column;
  justify-content: flex-start; /* Messages start from top */
}
._custom-chat-area .message {
  border: 1px solid #e5e5e5;
  border-radius: 20px 20px 0 20px;
  padding: 10px 30px;
  margin-bottom: var(--space-3);
  align-self: flex-start; /* Align messages to start */
}
._custom-chat-area .message.user {
  border-radius: 20px 20px 20px 0px;
  align-self: flex-end; /* User messages to the right */
}
._chat-input_box {
  background: none !important;
  border: none !important;
  margin-top: auto; /* Push to bottom */
  padding: var(--space-3) var(--space-6) var(--space-4) var(--space-6);
  border-top: 1px solid var(--border-light);
  flex-shrink: 0; /* Don't shrink the input area */
}
.auth-header h1 {
  font-size: 32px;
}
.auth-card p {
  font-size: 16px;
    margin-bottom: 20px;
}
.auth-card {
margin-bottom: 0;
}
._login_button_dost {
  border-radius: 8px;
}
.login_sub_heading {
  font-size: 14px !important;
  margin-bottom: 10px !important;
}
.message-info.text-muted.small {
    color: #fff;
}
.message.user ._user_info {
  color: #fff !important;
}

@media (max-width: 768px) {
.sidebar-toggle-btn {
  display: none;
}
}

/* Auth Pages - Hide Header and Footer */
.auth-page .navbar,
.auth-page .footer {
  display: none !important;
}

.auth-page .main-content {
  padding-top: 0 !important;
  padding-bottom: 0 !important;
}

.auth-page {
  background: var(--bg-primary) !important;
}

/* Index Page - Scrollable Header and Footer */
.index-page .navbar {
  position: static !important;
  top: auto !important;
  left: auto !important;
  right: auto !important;
  z-index: auto !important;
  width: auto !important;
}

.index-page .footer {
  position: static !important;
  bottom: auto !important;
  left: auto !important;
  right: auto !important;
  z-index: auto !important;
  width: auto !important;
}

.index-page .main-content {
  padding-top: 0 !important;
  padding-bottom: 0 !important;
  min-height: auto !important;
}

.index-page {
  height: auto !important;
}