/* Variabili CSS */
:root {
  /* Light Theme */
  --light-bg-color: #f8f9fa;
  --light-text-color: #212529;
  --light-container-bg: #ffffff;
  --light-shadow-color: rgba(0, 0, 0, 0.08);
  --light-primary-color: #0d6efd;
  --light-primary-hover: #0b5ed7;
  --light-primary-soft: rgba(13, 110, 253, 0.1);
  --light-secondary-color: #f8f9fa;
  --light-accent-color: #6f42c1;
  --light-border-color: #dee2e6;
  --light-sidebar-bg: #ffffff;
  --light-sidebar-hover: #f8f9fa;
  --light-header-bg: #ffffff;
  --light-card-bg: #ffffff;
  --light-input-bg: #ffffff;
  --light-input-border: #ced4da;
  --light-chat-user-bg: #e7f1ff;
  --light-chat-user-text: #0d6efd;
  --light-chat-bot-bg: #f8f9fa;
  --light-chat-bot-text: #212529;

  /* Dark Theme */
  --dark-bg-color: #212529;
  --dark-text-color: #f8f9fa;
  --dark-container-bg: #343a40;
  --dark-shadow-color: rgba(0, 0, 0, 0.2);
  --dark-primary-color: #3d8bfd;
  --dark-primary-hover: #5c9fff;
  --dark-primary-soft: rgba(61, 139, 253, 0.15);
  --dark-secondary-color: #2b3035;
  --dark-accent-color: #a78bda;
  --dark-border-color: #495057;
  --dark-sidebar-bg: #2b3035;
  --dark-sidebar-hover: #343a40;
  --dark-header-bg: #2b3035;
  --dark-card-bg: #343a40;
  --dark-input-bg: #2b3035;
  --dark-input-border: #495057;
  --dark-chat-user-bg: #3d8bfd;
  --dark-chat-user-text: #ffffff;
  --dark-chat-bot-bg: #2b3035;
  --dark-chat-bot-text: #f8f9fa;
}

/* Base Styles */
body {
  margin: 0;
  padding: 0;
  font-family: 'Inter', sans-serif;
  background-color: var(--light-bg-color);
  color: var(--light-text-color);
  transition: all 0.3s ease;
  font-size: 15px;
  line-height: 1.5;
  overflow: hidden;
  height: 100vh;
}

body.dark-theme {
  background-color: var(--dark-bg-color);
  color: var(--dark-text-color);
}

/* Mandatory Feedback Styles */
.chat-input-container.awaiting-feedback {
  border: 2px solid #ffc107;
  border-radius: 8px;
  padding: 0.5rem;
  background-color: rgba(255, 193, 7, 0.1);
  animation: pulse-border 2s infinite;
}

@keyframes pulse-border {
  0%, 100% {
    border-color: #ffc107;
  }
  50% {
    border-color: #ff9800;
  }
}

.chat-input-container.awaiting-feedback input:disabled {
  background-color: #f8f9fa;
  cursor: not-allowed;
  opacity: 0.7;
}

body.dark-theme .chat-input-container.awaiting-feedback input:disabled {
  background-color: #2b3035;
}

/* Feedback buttons highlight when awaiting feedback */
.awaiting-feedback ~ .feedback-buttons .btn-feedback {
  animation: pulse-button 2s infinite;
  border-width: 2px !important;
}

@keyframes pulse-button {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(255, 193, 7, 0.4);
  }
  50% {
    transform: scale(1.05);
    box-shadow: 0 0 0 5px rgba(255, 193, 7, 0);
  }
}

/* App Layout */
.app-container {
  display: flex;
  height: 100vh;
  overflow: hidden;
  transition: all 0.3s ease;
}

/* Sidebar */
.sidebar {
  width: 280px;
  height: 100%;
  background-color: var(--light-sidebar-bg);
  border-right: 1px solid var(--light-border-color);
  display: flex;
  flex-direction: column;
  transition: all 0.3s ease;
  overflow: hidden;
  flex-shrink: 0;
}

body.dark-theme .sidebar {
  background-color: var(--dark-sidebar-bg);
  border-color: var(--dark-border-color);
}

.sidebar-header {
  padding: 1rem;
  border-bottom: 1px solid var(--light-border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

body.dark-theme .sidebar-header {
  border-color: var(--dark-border-color);
}

.logo-container {
  display: flex;
  align-items: center;
}

.sidebar-logo {
  height: 30px;
  margin-right: 10px;
}

.logo-text {
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--light-primary-color);
}

body.dark-theme .logo-text {
  color: var(--dark-primary-color);
}

.sidebar-content {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
}

.sidebar-section {
  margin-bottom: 1.5rem;
}

.sidebar-heading {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #6c757d;
  margin-bottom: 0.75rem;
}

body.dark-theme .sidebar-heading {
  color: #adb5bd;
}

.sidebar-item {
  margin-bottom: 1rem;
  padding: 0.5rem;
  border-radius: 0.375rem;
  transition: background-color 0.2s;
}

.sidebar-footer {
  padding-top: 1rem;
  margin-top: auto;
  border-top: 1px solid var(--light-border-color);
  text-align: center;
  color: #6c757d;
}

body.dark-theme .sidebar-footer {
  border-color: var(--dark-border-color);
  color: #adb5bd;
}

.sidebar-collapsed .sidebar {
  width: 0;
  padding: 0;
  overflow: hidden;
}

/* Main Content */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: all 0.3s ease;
}

.main-header {
  padding: 1rem;
  background-color: var(--light-header-bg);
  border-bottom: 1px solid var(--light-border-color);
  z-index: 10;
}

body.dark-theme .main-header {
  background-color: var(--dark-header-bg);
  border-color: var(--dark-border-color);
}

.app-title {
  font-size: 1.25rem;
  font-weight: 600;
}

/* Chat Area */
.chat-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  background-color: var(--light-bg-color);
  overflow: hidden;
  position: relative;
}

body.dark-theme .chat-area {
  background-color: var(--dark-bg-color);
}

.chat-container {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
  scrollbar-width: thin;
}

/* Chat Messages */
.chat-message {
  display: flex;
  margin-bottom: 1.5rem;
  max-width: 85%;
  animation: fadeIn 0.3s ease;
}

.chat-message.user {
  flex-direction: row-reverse;
  margin-left: auto;
}

.message-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--light-primary-soft);
  color: var(--light-primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-right: 12px;
  flex-shrink: 0;
}

.chat-message.user .message-avatar {
  margin-right: 0;
  margin-left: 12px;
  background-color: var(--light-primary-color);
  color: white;
}

body.dark-theme .message-avatar {
  background-color: var(--dark-primary-soft);
  color: var(--dark-primary-color);
}

body.dark-theme .chat-message.user .message-avatar {
  background-color: var(--dark-primary-color);
  color: white;
}

.message-content {
  flex: 1;
}

.message-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

.assistant-label, .user-label {
  font-size: 0.8rem;
  font-weight: 500;
  opacity: 0.7;
}

.message-actions {
  display: flex;
  align-items: center;
}

.btn-icon {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--light-text-color);
  cursor: pointer;
  transition: all 0.2s;
  padding: 0;
}

.btn-icon:hover {
  background-color: var(--light-secondary-color);
}

body.dark-theme .btn-icon {
  color: var(--dark-text-color);
}

body.dark-theme .btn-icon:hover {
  background-color: var(--dark-secondary-color);
}

.message-bubble {
  background-color: var(--light-chat-bot-bg);
  color: var(--light-chat-bot-text);
  padding: 12px 16px;
  border-radius: 0 15px 15px 15px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
  position: relative;
}

.chat-message.user .message-bubble {
  background-color: var(--light-chat-user-bg);
  color: var(--light-chat-user-text);
  border-radius: 15px 0 15px 15px;
}

body.dark-theme .message-bubble {
  background-color: var(--dark-chat-bot-bg);
  color: var(--dark-chat-bot-text);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

body.dark-theme .chat-message.user .message-bubble {
  background-color: var(--dark-chat-user-bg);
  color: var(--dark-chat-user-text);
}

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

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

.message-bubble .signature {
  margin-top: 8px;
  opacity: 0.7;
  text-align: right;
  font-style: italic;
}

/* System Messages */
.system-message {
  display: flex;
  align-items: center;
  margin: 1rem auto;
  padding: 10px 16px;
  border-radius: 8px;
  background-color: var(--light-secondary-color);
  max-width: 80%;
}

.error-message {
  color: #dc3545;
  background-color: rgba(220, 53, 69, 0.1);
}

.message-icon {
  margin-right: 12px;
  font-size: 1.2rem;
}

body.dark-theme .system-message {
  background-color: var(--dark-secondary-color);
}

/* Typing Indicator */
.typing-indicator {
  display: flex;
  padding: 12px 16px;
  width: fit-content;
  margin: 0 0 1rem 48px;
  border-radius: 15px;
  background: var(--light-chat-bot-bg);
  align-items: center;
}

body.dark-theme .typing-indicator {
  background: var(--dark-chat-bot-bg);
}

.typing-dot {
  width: 8px;
  height: 8px;
  margin: 0 2px;
  border-radius: 50%;
  background-color: rgba(0, 0, 0, 0.3);
  animation: typingAnimation 1.4s infinite both;
}

body.dark-theme .typing-dot {
  background-color: rgba(255, 255, 255, 0.3);
}

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

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

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

/* Chat Input Container */
.chat-input-container {
  padding: 1rem;
  background-color: var(--light-container-bg);
  border-top: 1px solid var(--light-border-color);
  z-index: 10;
}

body.dark-theme .chat-input-container {
  background-color: var(--dark-container-bg);
  border-color: var(--dark-border-color);
}

/* Form Styles */
.form-control {
  background-color: var(--light-input-bg);
  border: 1px solid var(--light-input-border);
  color: var(--light-text-color);
  padding: 0.75rem 1rem;
  border-radius: 0.5rem !important;
  transition: all 0.2s;
  box-shadow: none !important;
}

.form-control:focus {
  border-color: var(--light-primary-color);
  background-color: var(--light-input-bg);
}

body.dark-theme .form-control {
  background-color: var(--dark-input-bg);
  border-color: var(--dark-input-border);
  color: var(--dark-text-color);
}

body.dark-theme .form-control:focus {
  border-color: var(--dark-primary-color);
  background-color: var(--dark-input-bg);
}

.input-group {
  position: relative;
}

.input-group .form-control {
  border-radius: 0.5rem !important;
  padding-right: 5rem;
}

.input-group .btn-primary {
  position: absolute;
  right: 5px;
  top: 5px;
  bottom: 5px;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: center;
}

.input-group .btn-primary i {
  position: relative;
  left: 0;
  top: 0;
}

.input-help {
  padding: 0.5rem;
  margin-top: 0.5rem;
}

/* Buttons */
.btn {
  border-radius: 0.5rem;
  padding: 0.5rem 1rem;
  font-weight: 500;
  transition: all 0.3s ease;
}

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

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

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

body.dark-theme .btn-primary:hover {
  background-color: var(--dark-primary-hover);
  border-color: var(--dark-primary-hover);
}

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

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

body.dark-theme .btn-outline-primary {
  color: var(--dark-primary-color);
  border-color: var(--dark-primary-color);
}

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

/* Loading Overlay */
#loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.8);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  backdrop-filter: blur(3px);
  transition: all 0.3s ease;
}

body.dark-theme #loading-overlay {
  background-color: rgba(33, 37, 41, 0.8);
}

.spinner-container {
  text-align: center;
}

.loading-text {
  font-weight: 500;
  color: var(--light-text-color);
}

body.dark-theme .loading-text {
  color: var(--dark-text-color);
}

/* Custom Spinner */
.spinner {
  width: 40px;
  height: 40px;
  position: relative;
  margin: 0 auto;
}

.double-bounce1, .double-bounce2 {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background-color: var(--light-primary-color);
  opacity: 0.6;
  position: absolute;
  top: 0;
  left: 0;
  animation: sk-bounce 2.0s infinite ease-in-out;
}

.double-bounce2 {
  animation-delay: -1.0s;
}

@keyframes sk-bounce {
  0%, 100% { 
    transform: scale(0.0);
  } 50% { 
    transform: scale(1.0);
  }
}

body.dark-theme .double-bounce1, 
body.dark-theme .double-bounce2 {
  background-color: var(--dark-primary-color);
}

/* Toast notifications */
.toast-container {
  z-index: 1080;
}

.toast {
  border: none !important;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  border-radius: 0.5rem !important;
}

/* Badge styles */
.badge {
  padding: 0.35em 0.65em;
  font-weight: 600;
  border-radius: 0.375rem;
}

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

body.dark-theme .bg-primary-soft {
  background-color: var(--dark-primary-soft);
  color: var(--dark-primary-color);
}

/* Scrollbar Styles */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

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

::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.2);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 0, 0, 0.3);
}

body.dark-theme::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
}

body.dark-theme::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* Code formatting styles */
pre {
  background-color: #f6f8fa;
  border-radius: 6px;
  padding: 12px;
  overflow-x: auto;
  margin: 0.75rem 0;
  border: 1px solid #e1e4e8;
}

body.dark-theme pre {
  background-color: #2d333b;
  border-color: #444c56;
}

code {
  font-family: SFMono-Regular, Consolas, Liberation Mono, Menlo, monospace;
  font-size: 0.9em;
  padding: 0.2em 0.4em;
  background-color: rgba(0, 0, 0, 0.05);
  border-radius: 3px;
}

body.dark-theme code {
  background-color: rgba(255, 255, 255, 0.1);
}

pre code {
  background-color: transparent;
  padding: 0;
}

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

/* Form Switch */
.form-switch {
  padding-left: 2.5em;
}

.form-check-input {
  cursor: pointer;
}

.form-check-input:checked {
  background-color: var(--light-primary-color);
  border-color: var(--light-primary-color);
}

body.dark-theme .form-check-input:checked {
  background-color: var(--dark-primary-color);
  border-color: var(--dark-primary-color);
}

/* Responsive styles */
@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    left: 0;
    top: 0;
    height: 100%;
    z-index: 1030;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
    transform: translateX(0);
    transition: transform 0.3s ease;
  }
  
  .sidebar-collapsed .sidebar {
    transform: translateX(-100%);
    box-shadow: none;
  }
  
  .app-title {
    font-size: 1.1rem;
  }
  
  .chat-message {
    max-width: 95%;
  }
  
  /* Overlay per chiudere la sidebar quando è aperta su mobile */
  .app-container:not(.sidebar-collapsed):before {
    content: '';
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 280px; /* larghezza della sidebar */
    background: rgba(0, 0, 0, 0.5);
    z-index: 1025;
  }
}

@media (max-width: 576px) {
  .chat-message {
    max-width: 100%;
  }
  
  .message-avatar {
    width: 30px;
    height: 30px;
    font-size: 1rem;
  }
}

/* Range slider styles */
.range-container {
  position: relative;
  padding-bottom: 1.5rem;
  margin-top: 0.5rem;
}

.range-ticks {
  display: flex;
  justify-content: space-between;
  position: absolute;
  width: 100%;
  bottom: 0;
  font-size: 0.7rem;
  color: #6c757d;
}

body.dark-theme .range-ticks {
  color: #adb5bd;
}

.form-range {
  height: 1.5rem;
}

.form-range::-webkit-slider-thumb {
  background-color: var(--light-primary-color);
  box-shadow: 0 0 0 3px var(--light-primary-soft);
  cursor: pointer;
  transition: all 0.2s;
}

.form-range::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.form-range::-webkit-slider-runnable-track {
  height: 0.5rem;
  background-color: var(--light-secondary-color);
  border-radius: 0.25rem;
}

body.dark-theme .form-range::-webkit-slider-thumb {
  background-color: var(--dark-primary-color);
  box-shadow: 0 0 0 3px var(--dark-primary-soft);
}

body.dark-theme .form-range::-webkit-slider-runnable-track {
  background-color: var(--dark-secondary-color);
}

/* Moz specific styles */
.form-range::-moz-range-thumb {
  background-color: var(--light-primary-color);
  box-shadow: 0 0 0 3px var(--light-primary-soft);
  cursor: pointer;
  transition: all 0.2s;
}

.form-range::-moz-range-thumb:hover {
  transform: scale(1.15);
}

.form-range::-moz-range-track {
  height: 0.5rem;
  background-color: var(--light-secondary-color);
  border-radius: 0.25rem;
}

body.dark-theme .form-range::-moz-range-thumb {
  background-color: var(--dark-primary-color);
  box-shadow: 0 0 0 3px var(--dark-primary-soft);
}

body.dark-theme .form-range::-moz-range-track {
  background-color: var(--dark-secondary-color);
}

/* Badge animated update */
.k-value {
  transition: all 0.2s;
}

/* Feedback Buttons */
.feedback-buttons {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.75rem;
  opacity: 0.8;
  transition: opacity 0.3s ease;
}

.feedback-buttons:hover {
  opacity: 1;
}

.btn-feedback {
  border-radius: 50%;
  width: 32px;
  height: 32px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  transition: all 0.2s ease;
  position: relative;
}

.btn-feedback:hover {
  transform: scale(1.1);
}

.btn-feedback:disabled {
  opacity: 0.6;
  transform: none !important;
  cursor: not-allowed;
}

.btn-feedback.feedback-sent {
  position: relative;
}

.btn-feedback.active {
  transform: scale(1.15);
  box-shadow: 0 0 0 2px rgba(var(--bs-success-rgb), 0.3);
}

.btn-feedback[data-type="positive"]:hover {
  background-color: var(--bs-success);
  border-color: var(--bs-success);
  color: white;
}

.btn-feedback[data-type="negative"]:hover {
  background-color: var(--bs-danger);
  border-color: var(--bs-danger);
  color: white;
}

.btn-feedback[data-type="other"]:hover {
  background-color: var(--bs-warning);
  border-color: var(--bs-warning);
  color: white;
}

.btn-feedback[data-type="positive"].active {
  background-color: var(--bs-success);
  border-color: var(--bs-success);
  color: white;
}

.btn-feedback[data-type="negative"].active {
  background-color: var(--bs-danger);
  border-color: var(--bs-danger);
  color: white;
}

.btn-feedback[data-type="other"].active {
  background-color: var(--bs-warning);
  border-color: var(--bs-warning);
  color: white;
}

/* Dark theme feedback buttons */
body.dark-theme .btn-feedback {
  border-color: var(--dark-border-color);
  color: var(--dark-text-color);
}

body.dark-theme .btn-feedback:hover {
  border-color: var(--dark-primary-color);
}