/* ChatGPT-style CSS for A2P Compliance Agent */

:root {
  /* Light theme */
  --bg-primary: #ffffff;
  --bg-secondary: #f7f7f8;
  --bg-tertiary: #ececf1;
  --text-primary: #343541;
  --text-secondary: #565869;
  --border-color: #d9d9e3;
  --accent-color: #10a37f;
  --user-bg: #10a37f;
  --bot-bg: #f7f7f8;
  --sidebar-bg: #202123;
  --sidebar-text: #ffffff;
  --hover-bg: rgba(0,0,0,0.05);
  --shadow: 0 2px 8px rgba(0,0,0,0.1);
}

[data-theme="dark"] {
  --bg-primary: #343541;
  --bg-secondary: #444654;
  --bg-tertiary: #565869;
  --text-primary: #ececf1;
  --text-secondary: #c5c5d2;
  --border-color: #565869;
  --bot-bg: #444654;
  --hover-bg: rgba(255,255,255,0.05);
  --shadow: 0 2px 8px rgba(0,0,0,0.3);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  height: 100vh;
  overflow: hidden;
}

.app-container {
  display: flex;
  height: 100vh;
}

/* Hide sidebar */
.sidebar {
  display: none;
}

/* Make main content full width */
.main-content {
  width: 100%;
}

/* Hide theme toggle */
.theme-toggle {
  display: none;
}

.sidebar-header {
  padding: 16px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-title {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
}

.new-chat-btn {
  width: 100%;
  padding: 12px;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--sidebar-text);
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.2s;
}

.new-chat-btn:hover {
  background: rgba(255,255,255,0.1);
}

.sidebar-content {
  flex: 1;
  padding: 16px;
  overflow-y: auto;
}

.chat-history {
  list-style: none;
}

.chat-history-item {
  padding: 8px 12px;
  margin-bottom: 4px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  transition: background 0.2s;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chat-history-item:hover {
  background: rgba(255,255,255,0.1);
}

/* Main Chat Area */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: var(--bg-primary);
}

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

.chat-title {
  font-size: 18px;
  font-weight: 600;
}

.theme-toggle {
  padding: 8px 12px;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  cursor: pointer;
  color: var(--text-primary);
  font-size: 14px;
  transition: all 0.2s;
}

.theme-toggle:hover {
  background: var(--hover-bg);
}

/* Messages Container */
.messages-container {
  flex: 1;
  overflow-y: auto;
  padding: 24px 0;
}

.message {
  display: flex;
  padding: 24px;
  max-width: 800px;
  margin: 0 auto;
  gap: 16px;
  animation: fadeIn 0.3s ease-out;
}

.message.user {
  background: var(--bg-secondary);
  justify-content: flex-end;
  margin-left: auto;
  margin-right: 75px;
  max-width: 70%;
}

.message.assistant {
  background: var(--bg-primary);
  justify-content: flex-start;
  margin-left: 75px;
  margin-right: auto;
  max-width: 70%;
}

.message-avatar {
  width: 32px;
  height: 32px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 14px;
  flex-shrink: 0;
}

.message-avatar img {
  width: 100%;
  height: 100%;
  border-radius: 4px;
  object-fit: cover;
}

.message.user .message-avatar {
  background: var(--user-bg);
  color: white;
  order: 2;
}

.message.assistant .message-avatar {
  background: transparent;
  color: white;
  order: 1;
}

.message.user .message-content {
  order: 1;
  text-align: right;
}

.message.assistant .message-content {
  order: 2;
  text-align: left;
}

.message-content {
  flex: 1;
  line-height: 1.6;
  font-size: 16px;
}

.message-content h3 {
  margin-bottom: 12px;
  font-size: 18px;
  font-weight: 600;
}

.message-content h4 {
  margin: 16px 0 8px 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-secondary);
}

.compliance-result {
  background: linear-gradient(135deg, #10a37f, #0d8f6b);
  color: white;
  padding: 20px;
  border-radius: 12px;
  margin: 16px 0;
  box-shadow: var(--shadow);
}

.violation {
  background: #fef2f2;
  border-left: 4px solid #ef4444;
  padding: 12px 16px;
  margin: 8px 0;
  border-radius: 0 8px 8px 0;
  color: #991b1b;
  font-size: 14px;
}

[data-theme="dark"] .violation {
  background: rgba(239, 68, 68, 0.1);
  color: #fca5a5;
}

.recommendation {
  background: #fffbeb;
  border-left: 4px solid #f59e0b;
  padding: 12px 16px;
  margin: 8px 0;
  border-radius: 0 8px 8px 0;
  color: #92400e;
  font-size: 14px;
}

[data-theme="dark"] .recommendation {
  background: rgba(245, 158, 11, 0.1);
  color: #fcd34d;
}

/* Input Area */
.input-container {
  padding: 24px;
  border-top: 1px solid var(--border-color);
  background: var(--bg-primary);
}

.input-wrapper {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.message-input {
  width: 100%;
  padding: 16px 60px 16px 20px;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 16px;
  line-height: 1.5;
  resize: none;
  outline: none;
  transition: all 0.2s;
  min-height: 56px;
  max-height: 200px;
  font-family: inherit;
  vertical-align: top;
}

.message-input:focus {
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(16, 163, 127, 0.1);
}

.send-button {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 32px;
  height: 32px;
  border: none;
  background: var(--accent-color);
  color: white;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.send-button:hover {
  background: #0d8f6b;
}

.send-button:disabled {
  background: var(--border-color);
  cursor: not-allowed;
}

/* Loading Animation */
.typing-indicator {
  display: flex;
  gap: 4px;
  padding: 16px 0;
}

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

.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }

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

@keyframes typing {
  0%, 80%, 100% { transform: scale(0.8); opacity: 0.5; }
  40% { transform: scale(1); opacity: 1; }
}

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

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

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 3px;
}

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

/* Responsive */
@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    left: -260px;
    z-index: 1000;
    transition: left 0.3s;
  }
  
  .sidebar.open {
    left: 0;
  }
  
  .main-content {
    width: 100%;
  }
  
  .message {
    padding: 16px;
  }
  
  .input-container {
    padding: 16px;
  }
}