/* styles.css - Enhanced with PocketDocAI features and improved design */

/* Base styles */
:root {
  --primary-color: #3498db;
  --primary-light: #5dade2;
  --primary-dark: #2980b9;
  --secondary-color: #2ecc71;
  --secondary-dark: #27ae60;
  --light-gray: #f8f9fa;
  --medium-gray: #e9ecef;
  --dark-gray: #343a40;
  --success: #2ecc71;
  --warning: #f39c12;
  --danger: #e74c3c;
  --text-color: #343a40;
  --border-radius: 10px;
  --card-border-radius: 12px;
  --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
  --font-family: "Poppins", "Segoe UI", -apple-system, BlinkMacSystemFont, sans-serif;
}

/* Typography and general styles */
body {
  font-family: var(--font-family);
  transition: var(--transition);
  margin: 0;
  padding: 0;
  color: var(--text-color);
  line-height: 1.6;
  font-size: 16px;
  scroll-behavior: smooth;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 1rem;
}

/* Improved hero section */
.hero {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-light));
  color: #fff;
  padding: 4rem 0;
  text-align: center;
  box-shadow: var(--box-shadow);
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 100%;
  height: 10px;
  background-image: linear-gradient(45deg, transparent 33.33%, #fff 33.33%, #fff 66.66%, transparent 66.66%);
  background-size: 20px 10px;
}

.hero .display-4 {
  font-weight: 700;
  margin-bottom: 1.5rem;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  letter-spacing: -0.5px;
}

.hero .lead {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* Nav improvements */
.navbar {
  box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
  padding: 0.75rem 1rem;
  transition: var(--transition);
}

.navbar-brand {
  font-weight: 700;
  letter-spacing: 0.5px;
  font-size: 1.5rem;
}

.navbar .nav-link {
  font-weight: 500;
  padding: 0.75rem 1rem;
  position: relative;
}

.navbar .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background-color: var(--primary-color);
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

.navbar .nav-link:hover::after {
  width: 50%;
}

.navbar-dark .btn-outline-light:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

/* Cards and sections */
.card {
  border-radius: var(--card-border-radius);
  box-shadow: var(--box-shadow);
  overflow: hidden;
  transition: var(--transition);
  border: none;
  margin-bottom: 1.5rem;
}

.card:hover {
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.12);
  transform: translateY(-3px);
}

.card-body {
  padding: 1.5rem;
}

.card-title {
  font-weight: 600;
  color: var(--primary-dark);
}

section {
  padding: 4rem 0;
}

section h2 {
  margin-bottom: 2.5rem;
  position: relative;
  display: inline-block;
}

section h2:after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -10px;
  width: 80px;
  height: 3px;
  background-color: var(--primary-color);
  transform: translateX(-50%);
}

/* Features section with hover effects */
#features .card {
  height: 100%;
  text-align: center;
  padding: 1.5rem;
  border-radius: 15px;
  transition: all 0.4s ease;
}

#features .card:hover {
  transform: translateY(-10px);
}

#features .fa-2x {
  margin-bottom: 1.25rem;
  color: var(--primary-color);
  transition: all 0.3s ease;
}

#features .card:hover .fa-2x {
  transform: scale(1.2);
}

/* Testimonials */
#testimonials .card {
  position: relative;
  padding: 2rem;
}

#testimonials .card::before {
  content: '"';
  position: absolute;
  top: 10px;
  left: 20px;
  font-size: 4rem;
  font-family: Georgia, serif;
  color: rgba(52, 152, 219, 0.1);
}

/* Footer */
footer {
  color: #000;
  background-color: var(--light-gray);
  padding: 1.5rem 0;
  border-top: 1px solid #e5e5e5;
}

/* Dark mode */
body.dark-mode {
  background-color: #121212;
  color: #e0e0e0;
}

body.dark-mode .navbar,
body.dark-mode .card,
body.dark-mode footer,
body.dark-mode .bg-light,
body.dark-mode .border {
  background-color: #1e1e1e !important;
  color: #f8f9fa !important;
  border-color: #333 !important;
}

body.dark-mode .card {
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

body.dark-mode .text-muted {
  color: #adb5bd !important;
}

body.dark-mode .navbar-dark {
  background-color: #0d0d0d !important;
}

body.dark-mode input,
body.dark-mode select,
body.dark-mode textarea {
  background-color: #2c2c2c !important;
  color: #e0e0e0 !important;
  border-color: #444 !important;
}

body.dark-mode .input-group-text {
  background-color: #333 !important;
  color: #e0e0e0 !important;
  border-color: #444 !important;
}

/* Enhanced Chat Interface */
#chatDisplay {
  background-color: var(--light-gray);
  border-radius: var(--border-radius);
  transition: var(--transition);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  scrollbar-width: thin;
  scroll-behavior: smooth;
  position: relative;
}

#chatDisplay::-webkit-scrollbar {
  width: 8px;
}

#chatDisplay::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 10px;
}

#chatDisplay::-webkit-scrollbar-thumb {
  background: #c1c1c1;
  border-radius: 10px;
}

#chatDisplay::-webkit-scrollbar-thumb:hover {
  background: #a8a8a8;
}

body.dark-mode #chatDisplay {
  background-color: #2c2c2c;
}

body.dark-mode #chatDisplay::-webkit-scrollbar-track {
  background: #333;
}

body.dark-mode #chatDisplay::-webkit-scrollbar-thumb {
  background: #555;
}

body.dark-mode #chatDisplay::-webkit-scrollbar-thumb:hover {
  background: #666;
}

/* Message bubbles with improved styling */
.message {
  max-width: 85%;
  padding: 0.75rem 1rem;
  border-radius: 16px;
  margin-bottom: 1rem;
  animation: messageSlide 0.3s ease-out;
  word-wrap: break-word;
  line-height: 1.5;
  font-size: 0.95rem;
  position: relative;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.message p {
  margin-bottom: 0.5rem;
}

.message p:last-child {
  margin-bottom: 0;
}

.message h1, 
.message h2, 
.message h3 {
  margin-top: 0.5rem;
  margin-bottom: 0.75rem;
  font-weight: 600;
}

.message ul, 
.message ol {
  margin-top: 0.5rem;
  margin-bottom: 0.5rem;
  padding-left: 1.5rem;
}

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

.message.user {
  align-self: flex-end;
  margin-left: auto;
  background-color: var(--primary-light);
  color: white;
  border-bottom-right-radius: 4px;
}

.message.ai {
  align-self: flex-start;
  background-color: var(--medium-gray);
  border-bottom-left-radius: 4px;
  color: #333;
}

/* Time indicator for messages */
.message::after {
  content: attr(data-time);
  position: absolute;
  bottom: -16px;
  font-size: 0.7rem;
  color: #999;
  white-space: nowrap;
}

.message.user::after {
  right: 10px;
}

.message.ai::after {
  left: 10px;
}

/* Dark mode chat bubbles */
body.dark-mode .message.user {
  background-color: var(--primary-dark);
}

body.dark-mode .message.ai {
  background-color: #3a3f47;
  color: #ddd;
}

/* Loading indicators */
#typingIndicator {
  color: var(--primary-color);
  font-style: italic;
  padding: 0.5rem;
  border-radius: 20px;
  background-color: rgba(0, 0, 0, 0.05);
  display: inline-block;
}

body.dark-mode #typingIndicator {
  background-color: rgba(255, 255, 255, 0.1);
}

.typing-animation {
  display: inline-block;
}

.typing-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--primary-color);
  margin-right: 3px;
  animation: typingDot 1.5s infinite ease-in-out;
}

.typing-dot:nth-child(2) {
  animation-delay: 0.2s;
}

.typing-dot:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes typingDot {
  0%, 60%, 100% { transform: translateY(0); }
  30% { transform: translateY(-5px); }
}

#loadingSpinner {
  display: none;
  margin-left: 0.5rem;
  vertical-align: middle;
  color: var(--primary-color);
}

/* Improved input area */
.input-group {
  margin-top: 1rem;
  border-radius: var(--border-radius);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  background-color: #fff;
  padding: 0.25rem;
  position: relative;
}

body.dark-mode .input-group {
  background-color: #2c2c2c;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.input-group .form-control {
  border-top-left-radius: var(--border-radius);
  border-bottom-left-radius: var(--border-radius);
  border: none;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  background-color: transparent;
}

.input-group .btn {
  border-radius: var(--border-radius);
  margin: 0 0.15rem;
  padding: 0.5rem 0.75rem;
}

.input-group .btn:last-child {
  border-top-right-radius: var(--border-radius);
  border-bottom-right-radius: var(--border-radius);
  padding: 0.5rem 1rem;
}

.form-control:focus {
  box-shadow: none;
  outline: none;
}

.input-group:focus-within {
  box-shadow: 0 0 0 2px var(--primary-light);
}

/* Category select improvements */
.form-select-container {
  position: relative;
  margin-bottom: 1.5rem;
}

#userCategory {
  max-width: 250px;
  border-radius: var(--border-radius);
  border: 1px solid var(--medium-gray);
  transition: var(--transition);
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  padding: 0.5rem 2rem 0.5rem 1rem;
  background-color: #fff;
  cursor: pointer;
}

.form-select-container::after {
  content: "\f078";
  font-family: "Font Awesome 5 Free";
  font-weight: 900;
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  font-size: 0.8rem;
  color: var(--primary-color);
}

#userCategory:focus {
  border-color: var(--primary-light);
  box-shadow: 0 0 0 0.25rem rgba(52, 152, 219, 0.25);
  outline: none;
}

body.dark-mode #userCategory {
  background-color: #2c2c2c;
  color: #e0e0e0;
  border-color: #444;
}

/* Button styles */
.btn {
  border-radius: var(--border-radius);
  transition: var(--transition);
  font-weight: 500;
  padding: 0.5rem 1.25rem;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

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

.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.btn-outline-secondary {
  border-color: #ccc;
}

.btn-outline-secondary:hover {
  background-color: var(--medium-gray);
  color: var(--dark-gray);
  transform: translateY(-2px);
}

/* Sidebar improvements */
#sidebarWrapper {
  min-height: 100%;
  border-right: 1px solid var(--medium-gray);
  padding-right: 1rem;
}

body.dark-mode #sidebarWrapper {
  border-right-color: #333;
}

#newConversationBtn {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  width: 100%;
  padding: 0.75rem 1rem;
  font-weight: 500;
}

#newConversationBtn i {
  margin-right: 0.5rem;
}

#conversationList {
  max-height: 350px;
  overflow-y: auto;
  scrollbar-width: thin;
}

#conversationList::-webkit-scrollbar {
  width: 6px;
}

#conversationList::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 10px;
}

#conversationList::-webkit-scrollbar-thumb {
  background: #c1c1c1;
  border-radius: 10px;
}

#conversationList::-webkit-scrollbar-thumb:hover {
  background: #a8a8a8;
}

#conversationList .list-group-item {
  transition: var(--transition);
  border-radius: var(--border-radius);
  margin-bottom: 0.75rem;
  border: 1px solid var(--medium-gray);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
}

#conversationList .list-group-item span {
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
  max-width: 75%;
}

#conversationList .list-group-item:hover {
  background-color: rgba(0, 0, 0, 0.05);
  transform: translateY(-2px);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.08);
}

#conversationList .list-group-item.active {
  background-color: var(--primary-light);
  color: white;
  border-color: var(--primary-light);
}

#conversationList .list-group-item .btn-danger {
  opacity: 0.6;
  transition: var(--transition);
}

#conversationList .list-group-item:hover .btn-danger {
  opacity: 1;
}

body.dark-mode #conversationList .list-group-item {
  border-color: #333;
  background-color: #1e1e1e;
}

body.dark-mode #conversationList .list-group-item:hover {
  background-color: #2c2c2c;
}

body.dark-mode #conversationList .list-group-item.active {
  background-color: var(--primary-dark);
}

/* TTS Button */
.speak-btn {
  position: absolute;
  right: 10px;
  top: 10px;
  opacity: 0.5;
  transition: var(--transition);
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  background-color: rgba(255, 255, 255, 0.8);
  border: none;
  border-radius: 50px;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.speak-btn:hover {
  opacity: 1;
  background-color: #fff;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

body.dark-mode .speak-btn {
  background-color: rgba(50, 50, 50, 0.8);
  color: #ddd;
}

body.dark-mode .speak-btn:hover {
  background-color: #444;
}

/* Copy to clipboard button */
.copy-btn {
  position: absolute;
  right: 50px;
  top: 10px;
  opacity: 0.5;
  transition: var(--transition);
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  background-color: rgba(255, 255, 255, 0.8);
  border: none;
  border-radius: 50px;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.copy-btn:hover {
  opacity: 1;
  background-color: #fff;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

body.dark-mode .copy-btn {
  background-color: rgba(50, 50, 50, 0.8);
  color: #ddd;
}

body.dark-mode .copy-btn:hover {
  background-color: #444;
}

/* Improved form styling */
.form-label {
  font-weight: 600;
  margin-bottom: 0.5rem;
}