/* OwnGPT - Dark Theme CSS */

:root {
  --bg-primary: #202124;
  --bg-secondary: #292a2d;
  --bg-card: #303134;
  --bg-hover: #3c4043;
  --bg-input: #3c4043;
  --text-primary: #e8eaed;
  --text-secondary: #9aa0a6;
  --text-muted: #5f6368;
  --accent: #8ab4f8;
  --accent-hover: #aecbfa;
  --border: #5f6368;
  --success: #81c995;
  --error: #f28b82;
  --shadow: rgba(0, 0, 0, 0.3);
  --user-bubble: #174ea6;
  --assistant-bubble: #303134;
  --sidebar-width: 280px;
}

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

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 14px;
  line-height: 1.5;
  min-height: 100vh;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

/* Layout */
.app-container {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  overflow-y: auto;
}

.sidebar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

.sidebar-title {
  font-size: 18px;
  font-weight: 500;
  color: var(--text-primary);
}

.sidebar-section {
  padding: 16px 12px;
  border-bottom: 1px solid var(--border);
}

.sidebar-section:last-child {
  border-bottom: none;
}

.sidebar-section-title {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
  padding: 0 8px;
}

/* Sidebar items (projects, threads) */
.sidebar-item {
  display: flex;
  align-items: center;
  padding: 10px 12px;
  border-radius: 8px;
  cursor: pointer;
  color: var(--text-primary);
  text-decoration: none;
  gap: 10px;
}

.sidebar-item:hover {
  background: var(--bg-hover);
  text-decoration: none;
}

.sidebar-item.active {
  background: var(--bg-card);
}

.sidebar-item-icon {
  color: var(--text-secondary);
  font-size: 16px;
}

.sidebar-item-text {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Project groups with nested threads */
.sidebar-projects {
  flex: 1;
  overflow-y: auto;
}

.project-group {
  margin-bottom: 4px;
}

.project-header {
  display: flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
  color: var(--text-primary);
  gap: 8px;
}

.project-header:hover {
  background: var(--bg-hover);
}

.project-chevron {
  color: var(--text-muted);
  transition: transform 0.2s;
  display: flex;
  align-items: center;
}

.project-group.expanded .project-chevron {
  transform: rotate(90deg);
}

.project-new-chat {
  background: none;
  border: none;
  color: var(--text-muted);
  padding: 4px;
  cursor: pointer;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.2s;
}

.project-header:hover .project-new-chat {
  opacity: 1;
}

.project-new-chat:hover {
  background: var(--bg-card);
  color: var(--text-primary);
}

.project-threads {
  display: none;
  padding-left: 16px;
}

.project-group.expanded .project-threads {
  display: block;
}

.thread-item {
  display: flex;
  align-items: center;
  border-radius: 8px;
  margin: 2px 0;
  position: relative;
}

.thread-item:hover {
  background: var(--bg-hover);
}

.thread-item.active {
  background: var(--bg-card);
}

.thread-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  color: var(--text-primary);
  text-decoration: none;
  flex: 1;
  overflow: hidden;
}

.thread-link:hover {
  text-decoration: none;
}

.thread-icon {
  font-size: 14px;
  flex-shrink: 0;
}

.thread-title {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 13px;
}

.thread-actions {
  display: flex;
  gap: 2px;
  padding-right: 8px;
  opacity: 0;
  transition: opacity 0.2s;
}

.thread-item:hover .thread-actions {
  opacity: 1;
}

.thread-action-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  padding: 4px;
  cursor: pointer;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.thread-action-btn:hover {
  background: var(--bg-card);
  color: var(--text-primary);
}

.no-threads {
  padding: 8px 12px;
  color: var(--text-muted);
  font-size: 12px;
}

/* Rename dialog */
.rename-dialog {
  position: fixed;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  z-index: 1000;
  box-shadow: 0 4px 16px var(--shadow);
  min-width: 200px;
}

.rename-input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 12px;
  color: var(--text-primary);
  font-size: 13px;
  margin-bottom: 8px;
}

.rename-input:focus {
  outline: none;
  border-color: var(--accent);
}

.rename-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

/* Main Content */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  height: 100vh;
}

.main-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
}

.main-title {
  font-size: 16px;
  font-weight: 500;
}

/* Chat Container */
.chat-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Message Bubbles */
.message {
  max-width: 80%;
  padding: 12px 16px;
  border-radius: 12px;
  line-height: 1.5;
}

.message-user {
  align-self: flex-end;
  background: var(--user-bubble);
  color: #fff;
  border-bottom-right-radius: 4px;
}

.message-assistant {
  align-self: flex-start;
  background: var(--assistant-bubble);
  border-bottom-left-radius: 4px;
}

.message-content {
  white-space: pre-wrap;
  word-wrap: break-word;
}

.message-content code {
  background: rgba(0, 0, 0, 0.3);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: 'Monaco', 'Consolas', monospace;
  font-size: 13px;
}

.message-content pre {
  background: rgba(0, 0, 0, 0.3);
  padding: 12px;
  border-radius: 8px;
  overflow-x: auto;
  margin: 8px 0;
}

.message-content pre code {
  background: none;
  padding: 0;
}

.message-time {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Chat Input */
.chat-input-container {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
}

.chat-input-form {
  display: flex;
  gap: 12px;
  align-items: flex-end;
}

.chat-input {
  flex: 1;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 16px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 14px;
  resize: none;
  min-height: 48px;
  max-height: 200px;
}

.chat-input:focus {
  outline: none;
  border-color: var(--accent);
}

.chat-input::placeholder {
  color: var(--text-muted);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border: none;
  border-radius: 8px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-primary {
  background: var(--accent);
  color: #000;
}

.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-primary:disabled {
  background: var(--text-muted);
  cursor: not-allowed;
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: var(--bg-hover);
}

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: 50%;
}

.btn-small {
  padding: 6px 12px;
  font-size: 12px;
}

/* Forms */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  color: var(--text-secondary);
}

.form-input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 14px;
}

.form-input:focus {
  outline: none;
  border-color: var(--accent);
}

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

.form-textarea {
  min-height: 100px;
  resize: vertical;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%239aa0a6' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

/* Login Page */
.login-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
}

.login-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px;
  width: 100%;
  max-width: 400px;
}

.login-title {
  font-size: 24px;
  font-weight: 500;
  margin-bottom: 8px;
  text-align: center;
}

.login-subtitle {
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 32px;
}

.login-error {
  background: rgba(242, 139, 130, 0.1);
  border: 1px solid var(--error);
  color: var(--error);
  padding: 12px;
  border-radius: 8px;
  margin-bottom: 16px;
  font-size: 13px;
}

/* Modal */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  width: 100%;
  max-width: 500px;
  max-height: 80vh;
  overflow-y: auto;
}

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

.modal-title {
  font-size: 18px;
  font-weight: 500;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 24px;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
}

.modal-close:hover {
  color: var(--text-primary);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 24px;
}

/* Empty State */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  text-align: center;
  color: var(--text-secondary);
}

.empty-state-icon {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-state-title {
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.empty-state-text {
  max-width: 300px;
  line-height: 1.6;
}

/* Loading States */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--text-muted);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.htmx-indicator {
  display: none;
}

.htmx-request .htmx-indicator {
  display: inline-block;
}

.htmx-request.htmx-indicator {
  display: inline-block;
}

/* Typing indicator */
.typing-indicator {
  display: flex;
  gap: 4px;
  padding: 12px 16px;
  align-self: flex-start;
  background: var(--assistant-bubble);
  border-radius: 12px;
  border-bottom-left-radius: 4px;
}

.typing-indicator span {
  width: 8px;
  height: 8px;
  background: var(--text-muted);
  border-radius: 50%;
  animation: typing 1.4s infinite ease-in-out;
}

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

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

@keyframes typing {
  0%, 60%, 100% {
    transform: translateY(0);
    opacity: 0.4;
  }
  30% {
    transform: translateY(-4px);
    opacity: 1;
  }
}

/* Responsive */
@media (max-width: 768px) {
  .sidebar {
    width: 100%;
    height: auto;
    position: relative;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .main-content {
    margin-left: 0;
    height: auto;
    min-height: calc(100vh - 200px);
  }

  .app-container {
    flex-direction: column;
  }

  .message {
    max-width: 90%;
  }
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--text-muted);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

/* Utilities */
.hidden {
  display: none !important;
}

.flex-1 {
  flex: 1;
}

.text-muted {
  color: var(--text-secondary);
}

.text-small {
  font-size: 12px;
}

.mt-2 {
  margin-top: 8px;
}

.mb-2 {
  margin-bottom: 8px;
}