/* toolsStyles.css */
:root {
  /* Color palette */
  --primary-color: #2563eb;        /* Deep blue for primary actions */
  --primary-hover: #1d4ed8;
  --secondary-color: #4b5563;      /* Gray for secondary elements */
  --background-light: #f9fafb;     /* Light background */
  --background-dark: #1f2937;      /* Dark background for contrast */
  --text-primary: #111827;         /* Main text color */
  --text-secondary: #6b7280;       /* Secondary text */
  --text-light: #f3f4f6;          /* Light text for dark backgrounds */
  --success-color: #10b981;        /* Success states */
  --error-color: #ef4444;         /* Error states */
  --warning-color: #f59e0b;       /* Warning states */
  --border-color: #e5e7eb;        /* Border color */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --transition-fast: 150ms ease-in-out;
  --transition-medium: 250ms ease-in-out;
}

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

html {
  font-size: 16px;
  height: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--background-light);
  height: 100%;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

/* Container layout */
.container {
  display: flex;
  flex-direction: column;
  height: 100vh;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0;
  position: relative;
    width: 100%; /* Ensure consistent width */
  position: relative; /* Maintain positioning */
  will-change: transform; /* Optimize for performance */
}

/* Settings panel */
.settings-panel {
    background-color: white;
    border-radius: 0 0 0.5rem 0.5rem;
    box-shadow: var(--shadow-md);
    margin-bottom: 1rem;
    overflow: hidden;
    z-index: 10;
    position: relative;
    width: 100%;
}

.settings-title {
  background-color: var(--background-dark);
  color: var(--text-light);
  padding: 0.75rem 1rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 500;
  transition: background-color var(--transition-fast);
}

.settings-title:hover {
  background-color: #374151;
}

.close-icon {
  font-size: 1.25rem;
  transition: transform var(--transition-medium);
}

.close-icon.rotate {
  transform: rotate(45deg);
}

.settings-content {
    padding: 0 1rem;
    background-color: white;
    border-top: 1px solid var(--border-color);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-medium), padding var(--transition-medium);
    opacity: 0;
    visibility: hidden;
    width: 100%;
    box-sizing: border-box;
}

.settings-content:not(.hidden) {
    max-height: 500px;
    padding: 1rem;
    opacity: 1;
    visibility: visible;
}

.settings-panel.closed .settings-content {
  display: none;
}

.settings-panel:not(.closed) .settings-content {
  display: block;
}

/* Input groups */
.input-group {
  margin-bottom: 1rem;
}

.input-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-primary);
  font-size: 0.875rem;
}

.input-group input[type="text"],
.input-group input[type="file"],
.input-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 0.375rem;
  font-size: 0.875rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.input-group input[type="text"]:focus,
.input-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.input-group input[type="file"] {
  padding: 0.5rem;
  background-color: #f8fafc;
}

.file-info {
  margin-top: 0.5rem;
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
}

.file-info.success {
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--success-color);
}

.file-info.error {
  background-color: rgba(239, 68, 68, 0.1);
  color: var(--error-color);
}

.file-info.processing {
  background-color: rgba(245, 158, 11, 0.1);
  color: var(--warning-color);
}

/* Reference info */
.reference-info {
  margin-top: 1.5rem;
  padding: 0.75rem;
  background-color: #f8fafc;
  border-radius: 0.375rem;
  font-size: 0.8125rem;
  line-height: 1.5;
}

.reference-info strong {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--text-primary);
}

.status-badge {
  display: inline-block;
  padding: 0.125rem 0.375rem;
  border-radius: 0.25rem;
  font-weight: 500;
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-right: 0.25rem;
}

.status-success {
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--success-color);
}

.status-partial {
  background-color: rgba(245, 158, 11, 0.1);
  color: var(--warning-color);
}

.status-error {
  background-color: rgba(239, 68, 68, 0.1);
  color: var(--error-color);
}

/* Chat container */
.chat-container {
  display: flex;
  flex-direction: column;
  flex: 1;
  background-color: white;
  border-radius: 0.5rem;
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.chat-messages {
  flex: 1;
  padding: 1rem;
  overflow-y: auto;
  overscroll-behavior: contain;
  scroll-behavior: smooth;
}

.message {
  margin-bottom: 1rem;
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  max-width: 85%;
  position: relative;
  animation: fadeIn 200ms ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(5px); }
  to { opacity: 1; transform: translateY(0); }
}

.user-message {
  background: linear-gradient(135deg, #2d8c99 0%, #3db8c7 100%);
  color: white;
  margin-left: auto;
  border-bottom-right-radius: 0.25rem;
}

.ai-message {
  background-color: #f3f4f6;
  color: var(--text-primary);
  margin-right: auto;
  border-bottom-left-radius: 0.25rem;
}

.message-time {
  font-size: 0.6875rem;
  opacity: 0.8;
  margin-bottom: 0.25rem;
}

.user-message .message-time {
  color: rgba(255, 255, 255, 0.8);
}

.ai-message .message-time {
  color: var(--text-secondary);
}

.streaming-text {
  min-height: 1.5rem;
}

.typing {
  color: var(--text-secondary);
  position: relative;
}

.typing::after {
  content: '...';
  position: absolute;
  animation: typingDots 1.5s infinite steps(4, end);
}

@keyframes typingDots {
  0%, 25% { content: '.'; }
  50% { content: '..'; }
  75%, 100% { content: '...'; }
}

/* Input area */
.input-area {
  display: flex;
  padding: 1rem;
  border-top: 1px solid var(--border-color);
  background-color: white;
  position: relative;
}

.input-area textarea {
  flex: 1;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  resize: none;
  min-height: 3rem;
  max-height: 10rem;
  font-family: inherit;
  font-size: 0.875rem;
  line-height: 1.5;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.input-area textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.input-area button {
  margin-left: 0.75rem;
  padding: 0 1.25rem;
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: 0.5rem;
  font-weight: 500;
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.input-area button:hover {
  background-color: var(--primary-hover);
}

.input-area button:active {
  transform: scale(0.98);
}

.input-area button:disabled {
  background-color: var(--secondary-color);
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .container {
    padding: 0;
  }
  
  .settings-panel {
    border-radius: 0;
  }
  
  .chat-container {
    border-radius: 0;
  }
  
  .message {
    max-width: 90%;
  }
}

@media (max-width: 480px) {
  .input-area {
    padding: 0.75rem;
  }
  
  .input-area button {
    padding: 0 1rem;
  min-width: 4rem;
  }
}

/* Accessibility focus states */
:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Print styles */
@media print {
  .settings-panel,
  .input-area {
    display: none;
  }
  
  .chat-container {
    box-shadow: none;
    border-radius: 0;
  }
  
  .chat-messages {
    padding: 0;
    overflow: visible;
  }
  
  .message {
    max-width: 100%;
    page-break-inside: avoid;
  }
}