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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    background-color: #343541;
    color: #ececf1;
    height: 100vh;
    overflow: hidden;
}

.chat-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    max-width: 768px;
    margin: 0 auto;
    background-color: #343541;
}

.chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid #4e5563;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
}

.header-avatar {
    width: 140px;
    display: flex;
    justify-content: flex-start;
    align-items: center;
}

.header-title {
    text-align: center;
    flex: 1;
}

.header-buttons {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.clear-memory-btn, .help-btn {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #ececf1;
    padding: 8px 12px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.75rem;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.clear-memory-btn:hover, .help-btn:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.25);
    transform: translateY(-1px);
}

.chat-header h1 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 8px;
    color: #ececf1;
}

.chat-header p {
    color: #8e8ea0;
    font-size: 14px;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px 0;
    scroll-behavior: smooth;
}

.message {
    display: flex;
    margin-bottom: 16px;
    padding: 0 20px;
}

.message.user {
    justify-content: flex-end;
}

.message.assistant {
    justify-content: flex-start;
}

.message-avatar {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
    margin-right: 12px;
}

.message.user .message-avatar {
    background-color: #5436da;
    color: white;
    margin-right: 0;
    margin-left: 12px;
    order: 1;
}

.message.assistant .message-avatar {
    background-color: transparent;
    color: white;
    padding: 0;
    overflow: hidden;
}

.message-content {
    max-width: 70%;
    background-color: #40414f;
    padding: 12px 16px;
    border-radius: 18px;
    line-height: 1.4;
    word-wrap: break-word;
}

.message.user .message-content {
    background-color: #5436da;
    color: white;
}

.message.assistant .message-content {
    background-color: #40414f;
    color: #ececf1;
}

.chat-input-container {
    padding: 20px;
    border-top: 1px solid #4e5563;
    background-color: #343541;
}

.chat-input {
    display: flex;
    align-items: center;
    background-color: #40414f;
    border-radius: 12px;
    padding: 12px 16px;
    border: 1px solid #565869;
    max-width: 100%;
}

.chat-input input {
    flex: 1;
    background: none;
    border: none;
    outline: none;
    color: #ececf1;
    font-size: 16px;
    padding: 0;
}

.chat-input input::placeholder {
    color: #8e8ea0;
}

.chat-input button {
    background: none;
    border: none;
    cursor: pointer;
    color: #8e8ea0;
    padding: 4px;
    margin-left: 8px;
    border-radius: 6px;
    transition: color 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chat-input button:hover {
    color: #ececf1;
}

.chat-input button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.typing-indicator {
    display: flex;
    align-items: center;
    margin-bottom: 16px;
    padding: 0 20px;
}

.typing-indicator .message-avatar {
    background-color: #19c37d;
    color: white;
    margin-right: 12px;
}

.typing-dots {
    background-color: #40414f;
    padding: 12px 16px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.typing-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #8e8ea0;
    animation: typing 1.4s infinite ease-in-out;
}

.typing-dot:nth-child(1) { animation-delay: -0.32s; }
.typing-dot:nth-child(2) { animation-delay: -0.16s; }

@keyframes typing {
    0%, 80%, 100% {
        opacity: 0.3;
        transform: scale(0.8);
    }
    40% {
        opacity: 1;
        transform: scale(1);
    }
}

/* Scrollbar styling */
.chat-messages::-webkit-scrollbar {
    width: 6px;
}

.chat-messages::-webkit-scrollbar-track {
    background: #2a2d36;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: #565869;
    border-radius: 3px;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: #6b7280;
}

/* Custom news button styling */
#newsButton {
    transition: all 0.3s ease !important;
    background: transparent !important;
    border: none !important;
}

#newsButton:hover {
    transform: scale(1.08) !important;
    background: transparent !important;
}

#newsButton:active {
    transform: scale(0.95) !important;
}

/* Mobile responsive */
@media (max-width: 768px) {
    .chat-container {
        max-width: 100%;
    }
    
    .message-content {
        max-width: 85%;
    }
    
    .chat-header {
        padding: 16px;
    }
    
    .chat-input-container {
        padding: 16px;
    }
}

/* Button organization and styling */
.chat-input {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.action-buttons {
    display: flex;
    gap: 6px;
    align-items: center;
    flex-wrap: wrap;
}

.chat-input button {
    min-width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    transition: all 0.2s ease;
    font-size: 14px;
    padding: 8px;
    border: none;
    cursor: pointer;
}

.chat-input button.news-btn {
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    outline: none !important;
    padding: 0 !important;
}

.chat-input button:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Specific button themes */
.location-btn {
    background: linear-gradient(135deg, #667eea, #764ba2) !important;
    color: white !important;
}

.generate-image-btn {
    background: linear-gradient(135deg, #9c27b0, #673ab7) !important;
    color: white !important;
}

.generate-image-btn:hover {
    background: linear-gradient(135deg, #ad39c1, #7b4397) !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(156, 39, 176, 0.3);
}

.smart-home-btn {
    background: linear-gradient(135deg, #4facfe, #00f2fe) !important;
    color: white !important;
}

.news-btn {
    background: transparent !important;
    color: white !important;
    border: none !important;
}

.search-btn {
    background: linear-gradient(135deg, #a8edea, #fed6e3) !important;
    color: #444 !important;
}

.image-btn {
    background: linear-gradient(135deg, #ffecd2, #fcb69f) !important;
    color: #444 !important;
}

.document-btn {
    background: linear-gradient(135deg, #f093fb, #f5576c) !important;
    color: white !important;
}

.send-btn {
    background: linear-gradient(135deg, #667eea, #764ba2) !important;
    color: white !important;
    min-width: 50px !important;
}

/* Mobile responsive button layout */
@media (max-width: 768px) {
    .chat-input {
        flex-direction: column;
        gap: 8px;
    }
    
    .action-buttons {
        justify-content: center;
        width: 100%;
    }
    
    .chat-input button {
        min-width: 45px;
        height: 45px;
    }
}