/* CSS Variables for theming */
:root {
  /* Light mode colors */
  --bg-primary: #f0f2f5;
  --bg-secondary: #fff;
  --bg-tertiary: #f7f7f7;
  --text-primary: #1c1e21;
  --text-secondary: #65676b;
  --border-color: #ddd;
  --input-bg: #fff;
  --button-bg: #1877f2;

  /* Semantic colors */
  --success-color: #008000;
  --error-color: #d32f2f;
  --warning-color: #ff8c00;
}

body.dark-mode {
  /* Dark mode colors */
  --bg-primary: #1a1a1a;
  --bg-secondary: #2a2a2a;
  --bg-tertiary: #1e1e1e;
  --text-primary: #e0e0e0;
  --text-secondary: #b0b0b0;
  --border-color: #555;
  --input-bg: #1e1e1e;

  /* Semantic colors for dark mode */
  --success-color: #4ade80;
  --error-color: #ef5350;
  --warning-color: #ffa500;
}

html,
body {
  min-height: 100%;
  margin: 0;
  font-family: sans-serif;
  background-color: var(--bg-primary);
  transition: background-color 0.3s ease;
}

body {
  padding: 20px;
  box-sizing: border-box;
}

/* Dark mode base styles */
body.dark-mode {
  color: var(--text-primary);
}

body.dark-mode .container {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

body.dark-mode h1,
body.dark-mode h2 {
  color: #f0f0f0;
}

/* Input and button styles for dark mode */
body.dark-mode input {
  background-color: var(--input-bg);
  color: var(--text-primary);
  border-color: var(--border-color);
}

body.dark-mode button:not(.theme-toggle) {
  background-color: var(--input-bg);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

body.dark-mode button:not(.theme-toggle):not(:disabled):hover {
  background-color: var(--bg-secondary);
  border-color: #777;
}

/* Code blocks and containers */
body.dark-mode #agent-card-content,
body.dark-mode #modal-json-content,
body.dark-mode .session-context-id,
body.dark-mode #chat-messages {
  background-color: var(--bg-primary);
  color: var(--text-primary);
}

body.dark-mode #chat-messages {
  border-color: var(--border-color);
}

/* Message styles */
body.dark-mode .message.user {
  background-color: #0066cc;
}

body.dark-mode .message.agent {
  background-color: #3a3a3a;
  color: var(--text-primary);
}

body.dark-mode .message.agent-progress {
  background-color: var(--bg-secondary);
  color: var(--text-secondary);
}

/* Containers and sections */
body.dark-mode .collapsible-content,
body.dark-mode .http-headers-content,
body.dark-mode .message-metadata-content,
body.dark-mode .session-details-container {
  border-color: var(--border-color);
}

body.dark-mode .session-details-container,
body.dark-mode .session-details-header {
  background-color: var(--bg-secondary);
}

body.dark-mode .session-details-header:hover {
  background-color: #3a3a3a;
}

body.dark-mode .modal-content {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

body.dark-mode .attachment-chip,
body.dark-mode .modality-tag {
  background-color: #3a3a3a;
  border-color: var(--border-color);
  color: var(--text-primary);
}

/* Text colors */
body.dark-mode .http-headers-header,
body.dark-mode .message-metadata-header {
  color: #f0f0f0;
}

body.dark-mode .placeholder-text {
  color: #888;
}

body.dark-mode .session-info-row strong {
  color: var(--text-secondary);
}

body.dark-mode .chat-info {
  color: var(--text-primary);
}

.container {
  max-width: 1920px;
  margin: 0 auto 100px auto;
  background: #fff;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  align-items: start;
}

.container-column-left {
  grid-column: 1;
  display: flex;
  flex-direction: column;
}

.container-column-right {
  grid-column: 2;
  display: flex;
  flex-direction: column;
}

#chat-container {
  margin-top: 0;
  border-top: none;
  padding-top: 0;
}

h1 {
  color: #1c1e21;
  font-size: 2em;
  margin: 0;
}

h2 {
  color: #1c1e21;
  font-size: 1.25em;
  margin: 0;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.header-container h1 {
  margin: 0;
}

/* Toggle Switch */
.theme-toggle {
  position: relative;
  display: inline-block;
  width: 60px;
  height: 28px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.theme-toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ccc;
  transition: 0.3s;
  border-radius: 24px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 20px;
  width: 20px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  transition: 0.3s;
  border-radius: 50%;
}

.slider:after {
  position: absolute;
  content: "☀";
  font-size: 14px;
  right: 7px;
  top: 50%;
  transform: translateY(-50%);
  color: #666;
  transition: opacity 0.3s;
}

input:checked + .slider:after {
  content: "☾";
  left: 7px;
  right: auto;
  color: #fff;
}

input:checked + .slider {
  background-color: #2196F3;
}

input:checked + .slider:before {
  transform: translateX(32px);
}

body.dark-mode .slider {
  background-color: #555;
}

body.dark-mode input:checked + .slider {
  background-color: #2196F3;
}

.collapsible-header {
  cursor: pointer;
  user-select: none;
  font-size: 1.25em;
  margin: 0 0 10px 0;
}

.toggle-icon {
  display: inline-block;
  transition: transform 0.2s;
}

.collapsible-header.collapsed .toggle-icon {
  transform: rotate(-90deg);
}

.collapsible-content {
  max-height: 1000px;
  overflow: hidden;
  transition: max-height 0.3s ease-in-out;
}

.collapsible-content.collapsed {
  max-height: 0;
}

#agent-card-section {
  margin-top: 20px;
  border-top: 1px solid #ddd;
  padding-top: 20px;
}

.url-input-container,
.chat-input-container {
  display: flex;
  gap: 10px;
  margin-bottom: 60px;
}

.connect-btn-container {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 20px;
}

.http-headers-container,
.message-metadata-container {
  margin-bottom: 20px;
}

.http-headers-header,
.message-metadata-header {
  cursor: pointer;
  user-select: none;
  padding: 0;
  margin: 0 0 10px 0;
  font-weight: bold;
  font-size: 1.25em;
  color: #1c1e21;
}

.http-headers-content,
.message-metadata-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-in-out;
  padding: 0;
  margin: 0;
}

.http-headers-content.expanded,
.message-metadata-content.expanded {
  max-height: 800px;
  padding: 10px 0;
  overflow-y: auto;
}

/* Authentication Section Styles */
.auth-section {
  margin-bottom: 15px;
  padding: 15px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background-color: var(--bg-tertiary);
}

body.dark-mode .auth-section {
  background-color: var(--bg-secondary);
  border-color: var(--border-color);
}

.auth-label {
  display: block;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--text-secondary);
  font-size: 0.9em;
}

.auth-type-select {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background-color: var(--input-bg);
  color: var(--text-primary);
  font-size: 0.85em;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.2s, border-color 0.2s;
}

.auth-type-select:hover {
  background-color: var(--bg-secondary);
}

.auth-type-select:focus {
  outline: none;
  border-color: #1877f2;
}

body.dark-mode .auth-type-select {
  background-color: var(--input-bg);
  color: var(--text-primary);
  border-color: var(--border-color);
}

body.dark-mode .auth-type-select:hover {
  background-color: var(--bg-tertiary);
}

.auth-inputs {
  margin-top: 15px;
}

.auth-input-group {
  margin-bottom: 12px;
}

.auth-input-group label {
  display: block;
  font-size: 0.9em;
  margin-bottom: 4px;
  color: var(--text-secondary);
  font-weight: 500;
}

.auth-input-group input,
.auth-input-group select {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background-color: var(--input-bg);
  color: var(--text-primary);
  font-size: 0.85em;
  box-sizing: border-box;
  font-family: monospace;
}

.auth-input-group input:focus,
.auth-input-group select:focus {
  outline: none;
  border-color: #1877f2;
}

.auth-input-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 10px;
}

.section-divider {
  height: 1px;
  background-color: var(--border-color);
  margin: 20px 0;
}

.section-label {
  display: block;
  font-weight: 500;
  margin-bottom: 12px;
  color: var(--text-primary);
  font-size: 0.9em;
}

.custom-headers-section {
  margin-top: 15px;
}

#headers-list,
#metadata-list {
  margin-bottom: 10px;
}

.header-item,
.metadata-item {
  display: flex;
  gap: 10px;
  margin-bottom: 10px;
}

.header-item input,
.metadata-item input {
  flex: 1;
  padding: 8px;
  border: 1px solid #ddd;
  border-radius: 4px;
}

.remove-header-btn,
.remove-metadata-btn {
  background-color: #dc3545;
  color: white;
  border: none;
  border-radius: 4px;
  padding: 0 10px;
  cursor: pointer;
}

#add-header-btn,
#add-metadata-btn {
  background-color: #1877f2;
  color: white;
  border: none;
  border-radius: 4px;
  padding: 8px 12px;
  cursor: pointer;
}

#agent-card-url,
#chat-input {
  flex-grow: 1;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 4px;
}

#connect-btn,
#send-btn {
  padding: 10px 15px;
  border: none;
  background-color: #1877f2;
  color: white;
  border-radius: 4px;
  cursor: pointer;
}

#chat-input:disabled,
#send-btn:disabled {
  background-color: #e4e6eb;
  cursor: not-allowed;
}

/* Multimodal UI Support */
.chat-input-wrapper {
  margin-top: 10px;
}

.file-input-hidden {
  display: none;
}

.attach-btn {
  padding: 10px 12px;
  border: none;
  background-color: #f3f4f6;
  border-radius: 4px;
  cursor: pointer;
  margin-left: 8px;
  margin-right: 8px;
  transition: background-color 0.2s;
}

.attach-btn:hover:not(:disabled) {
  background-color: #e5e7eb;
}

.attach-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.attach-icon {
  font-size: 1.2em;
}

.attachments-preview {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
  min-height: 0;
}

.attachments-preview:empty {
  display: none;
}

.attachment-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  background-color: #f3f4f6;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  font-size: 0.85em;
  max-width: 250px;
}

.attachment-thumbnail {
  width: 32px;
  height: 32px;
  object-fit: cover;
  border-radius: 4px;
  border: 1px solid #d1d5db;
}

.attachment-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.attachment-name {
  font-weight: 500;
  color: #374151;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

body.dark-mode .attachment-name {
  color: var(--text-primary);
}

.attachment-size {
  font-size: 0.9em;
  color: #6b7280;
}

body.dark-mode .attachment-size {
  color: var(--text-secondary);
}

.attachment-remove {
  background: none;
  border: none;
  color: #9ca3af;
  cursor: pointer;
  padding: 2px 4px;
  font-size: 1.2em;
  line-height: 1;
  transition: color 0.2s;
}

.attachment-remove:hover {
  color: #ef4444;
}

.agent-card-display {
  position: relative;
}

#agent-card-content {
  background-color: #f7f7f7;
  padding: 15px;
  border-radius: 4px;
  white-space: pre-wrap;
  word-wrap: break-word;
  max-height: 400px;
  overflow: auto;
}

#agent-card-content:empty {
  display: none;
}

.message {
  padding: 8px 12px;
  border-radius: 18px;
  margin-bottom: 8px;
  max-width: 75%;
  width: fit-content;
  cursor: pointer;
  transition: background-color 0.2s;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.message a {
  color: #050505;
  font-weight: bold;
  text-decoration: underline;
}

.message:hover {
  filter: brightness(95%);
}

.kind-chip {
  background-color: #dcdfe3;
  border: 1px solid #c8ccd1;
  color: #050505;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.8em;
  font-weight: 500;
  margin-right: 8px;
  display: inline-block;
  vertical-align: middle;
}

.kind-chip-task {
  background-color: #e0f2fe;
  /* light blue */
  border-color: #7dd3fc;
  color: #0c4a6e;
}

.kind-chip-status-update {
  background-color: #fefce8;
  /* light yellow */
  border-color: #fde047;
  color: #713f12;
}

.kind-chip-artifact-update {
  background-color: #dcfce7;
  /* light green */
  border-color: #86efac;
  color: #14532d;
}

.kind-chip-message {
  background-color: #f3e8ff;
  /* light purple */
  border-color: #d8b4fe;
  color: #581c87;
}

.kind-chip-error {
  background-color: #fef2f2;
  /* light red */
  border-color: #fca5a5;
  color: #991b1b;
}

.message.user {
  background-color: #0084ff;
  color: white;
  align-self: flex-end;
}

.message.agent {
  background-color: #e4e6eb;
  color: #050505;
  align-self: flex-start;
}

.message.agent-progress {
  background-color: #f0f0f0;
  color: #65676b;
  font-style: italic;
  font-size: 0.9em;
  align-self: flex-start;
}

.message.agent-error {
  background-color: #fbe3e4;
  color: #d12f2f;
  border: 1px solid #f5c6cb;
  align-self: flex-start;
}

.message.agent-loading {
  background-color: #f0f0f0;
  color: #65676b;
  align-self: flex-start;
  display: flex;
  align-items: center;
  gap: 8px;
  font-style: italic;
}

body.dark-mode .message.agent-loading {
  background-color: var(--bg-secondary);
  color: var(--text-secondary);
}

.loading-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid #ddd;
  border-top-color: #1877f2;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

body.dark-mode .loading-spinner {
  border-color: #555;
  border-top-color: #2196F3;
}

.loading-text {
  font-size: 0.9em;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* <-- Fix: Styles for validation status */
.validation-status {
  align-self: flex-end;
  margin-top: 4px;
  font-size: 0.8em;
}

.validation-status.valid,
.success-text {
  color: var(--success-color);
}

.validation-status.invalid {
  color: var(--warning-color);
}

.error-text {
  color: var(--error-color);
}

#debug-console {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 300px;
  background: #2f3640;
  color: #f5f6fa;
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.2);
  transform: translateY(0);
  transition: transform 0.3s ease-in-out;
}

#debug-console.hidden {
  transform: translateY(calc(100% - 40px));
}

#debug-handle {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px;
  height: 40px;
  background: #1f2429;
  cursor: ns-resize;
  user-select: none;
}

.debug-controls button {
  background: #4a4a4a;
  border: 1px solid #666;
  color: white;
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
  margin-left: 10px;
}

#toggle-console-btn {
  background-color: #007bff;
}

#debug-content {
  height: calc(100% - 40px);
  overflow-y: auto;
  padding: 10px;
  font-family: monospace;
  white-space: pre-wrap;
}

.log-entry {
  padding: 8px;
  border-radius: 4px;
  margin-bottom: 5px;
  border-left: 3px solid #ccc;
}

.log-entry strong {
  font-weight: bold;
  margin-right: 10px;
}

.log-timestamp {
  color: #999;
  margin-right: 10px;
  font-size: 0.8em;
}

.log-entry.log-request {
  background-color: rgba(0, 123, 255, 0.1);
  border-left-color: #007bff;
}

.log-entry.log-response {
  background-color: rgba(108, 117, 125, 0.1);
  border-left-color: #6c757d;
}

.log-entry.log-error {
  background-color: rgba(220, 53, 69, 0.1);
  border-left-color: #dc3545;
}

.log-entry.log-validation_error {
  background-color: rgba(255, 193, 7, 0.1);
  border-left-color: #ffc107;
}

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.modal-overlay.hidden {
  display: none;
}

.modal-content {
  background: #fff;
  color: #1c1e21;
  padding: 20px;
  border-radius: 8px;
  width: 80%;
  max-width: 800px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  position: relative;
}

.modal-close-btn {
  position: absolute;
  top: 10px;
  right: 20px;
  font-size: 28px;
  font-weight: bold;
  cursor: pointer;
  color: #555;
}

#modal-json-content {
  background: #f7f7f7;
  border: 1px solid #ddd;
  border-radius: 4px;
  padding: 15px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-wrap: break-word;
}

.json-highlight {
  background-color: #ffc107;
  color: #333;
  padding: 0 4px;
  border-radius: 3px;
}

#chat-messages {
  height: 500px;
  overflow-y: auto;
  border: 1px solid #ddd;
  padding: 10px;
  border-radius: 4px;
  margin-bottom: 10px;
  background-color: #f7f7f7;
  display: flex;
  flex-direction: column;
}

.chat-info {
  font-size: 0.9em;
  color: #65676b;
  margin-top: 0;
  text-align: center;
  text-wrap: balance;
}

.placeholder-text {
  color: #888;
  text-align: center;
  padding: 0;
  margin: 0;
}

#validation-errors {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 20px;
}

#validation-errors .placeholder-text:only-child {
  margin: auto;
  padding: 20px;
}

.loader {
  border: 4px solid #f3f3f3;
  border-top: 4px solid #1877f2;
  border-radius: 50%;
  width: 24px;
  height: 24px;
  animation: spin 1s linear infinite;
  margin: 0;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.transport-badge {
  display: inline-block;
  font-size: 0.7em;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: 12px;
  margin-left: 12px;
  vertical-align: middle;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border: 1px solid;
}

.transport-badge.hidden {
  display: none;
}

.transport-badge.jsonrpc {
  background-color: #e0f2fe;
  /* light blue - matching kind-chip-task */
  color: #0c4a6e;
  border-color: #7dd3fc;
}

.transport-badge.http_json,
.transport-badge.http-json {
  background-color: #dcfce7;
  /* light green - matching kind-chip-artifact-update */
  color: #14532d;
  border-color: #86efac;
}

.transport-badge.grpc {
  background-color: #f3e8ff;
  /* light purple - matching kind-chip-message */
  color: #581c87;
  border-color: #d8b4fe;
}

/* Session Management */
.chat-header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.chat-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0;
  font-size: 1.25em;
}

.session-badge {
  display: inline-block;
  font-size: 0.7em;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: 12px;
  vertical-align: middle;
  letter-spacing: 0.3px;
  border: 1px solid;
}

.session-badge.hidden {
  display: none;
}

.session-badge.active {
  background-color: #dcfce7;
  /* light green */
  color: #14532d;
  border-color: #86efac;
}

.new-session-btn {
  padding: 6px 12px;
  border: none;
  background-color: #1877f2;
  color: white;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.9em;
}

.new-session-btn:disabled {
  background-color: #e4e6eb;
  cursor: not-allowed;
}

.session-details-container {
  margin-bottom: 16px;
  border: 1px solid #e5e7eb;
  border-radius: 4px;
  background-color: #fafafa;
}

.session-details-header {
  padding: 10px 15px;
  cursor: pointer;
  user-select: none;
  font-weight: 500;
  background-color: #f9fafb;
  border-radius: 4px;
  transition: background-color 0.2s;
}

.session-details-header:hover {
  background-color: #f3f4f6;
}

.session-details-header .toggle-icon {
  display: inline-block;
  transition: transform 0.2s;
  margin-right: 8px;
}

.session-details-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.session-details-content.expanded {
  max-height: 300px;
  padding: 15px;
  border-top: 1px solid #e5e7eb;
  overflow-y: auto;
}

.session-details-info {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.session-info-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.session-info-row strong {
  font-size: 0.9em;
  color: #4b5563;
}

.session-transport {
  font-size: 0.85em;
  font-weight: 500;
  padding: 4px 8px;
  border-radius: 8px;
  display: inline-block;
  width: fit-content;
  background-color: #e0f2fe;
  color: #0c4a6e;
}


.session-context-id {
  background-color: #f7f7f7;
  padding: 8px 12px;
  border-radius: 4px;
  font-family: monospace;
  font-size: 0.85em;
  word-break: break-all;
  color: #374151;
  border: 1px solid #e5e7eb;
}

.session-helper-text {
  font-size: 0.85em;
  color: #6b7280;
  font-style: italic;
  margin: 8px 0 0 0;
  padding: 8px 12px;
  background-color: #f9fafb;
  border-radius: 4px;
  border-left: 3px solid #3b82f6;
}

.modalities-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}

.modality-tag {
  font-size: 0.8em;
  padding: 3px 8px;
  background-color: #f3f4f6;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  color: #374151;
  white-space: nowrap;
}

.modality-none {
  font-size: 0.85em;
  color: #9ca3af;
  font-style: italic;
}

/* Message Attachments */
.message-attachments {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 8px;
}

.attachment-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.85em;
  padding: 4px 8px;
  background-color: rgba(255, 255, 255, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 12px;
  color: white;
  white-space: nowrap;
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  width: fit-content;
}

.message.agent .attachment-badge {
  background-color: rgba(0, 0, 0, 0.1);
  border-color: rgba(0, 0, 0, 0.2);
  color: #050505;
}

body.dark-mode .message.agent .attachment-badge {
  color: var(--text-primary);
}

/* Media content styles */
.media-container {
  margin: 8px 0;
}

.media-image {
  max-width: 400px;
  max-height: 300px;
  border-radius: 8px;
  display: block;
}

.media-audio {
  max-width: 400px;
  display: block;
}

.media-video {
  max-width: 400px;
  max-height: 300px;
  border-radius: 8px;
  display: block;
}

.file-link {
  display: inline-block;
  padding: 8px 12px;
  background-color: #f3f4f6;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  text-decoration: none;
  color: #374151;
}

body.dark-mode .file-link {
  background-color: var(--bg-tertiary);
  border-color: var(--border-color);
  color: var(--text-primary);
}

.file-link:hover {
  background-color: #e5e7eb;
}

body.dark-mode .file-link:hover {
  background-color: var(--bg-secondary);
}

/* Responsive layout - stack on smaller screens */
@media (max-width: 1024px) {
  .container {
    grid-template-columns: 1fr;
  }

  .container-column-left,
  .container-column-right {
    grid-column: 1;
    grid-row: auto;
  }

  #chat-container {
    margin-top: 20px;
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
  }
}