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

:root {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2a2a2a;
    --bg-card: #333333;
    --bg-card-hover: #3d3d3d;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --accent-color: #4FB3BF;
    --accent-hover: #5fc3cf;
    --border-color: #404040;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
        'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 100vw;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
}

/* Header */
header {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 100;
}

.badge {
    background-color: var(--bg-card);
    color: var(--text-primary);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    border: 1px solid var(--border-color);
}

.logout-button {
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s ease;
}

.logout-button:hover {
    background-color: rgba(244, 67, 54, 0.1);
    border-color: var(--error-color);
    color: var(--error-color);
}

.logout-button svg {
    width: 16px;
    height: 16px;
}

/* Main Content */
main {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px 120px;
    overflow-y: auto;
}

/* Welcome Screen */
.welcome-screen {
    max-width: 800px;
    width: 100%;
    text-align: center;
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Logo */
.logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    margin-bottom: 40px;
}

.logo svg {
    width: 80px;
    height: 80px;
}

.logo h1 {
    font-size: 48px;
    font-weight: 300;
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-name {
    font-weight: 600;
    color: var(--text-primary);
}

.copilot {
    font-weight: 300;
    color: var(--accent-color);
}

/* Welcome Text */
.welcome-text h2 {
    font-size: 24px;
    font-weight: 500;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.welcome-text p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 40px;
}

/* Prompt Cards */
.prompt-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

@media (max-width: 768px) {
    .prompt-cards {
        grid-template-columns: 1fr;
    }
}

.prompt-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
    min-height: 140px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
}

.prompt-card:hover {
    background-color: var(--bg-card-hover);
    border-color: var(--accent-color);
    transform: translateY(-2px);
}

.prompt-card .icon {
    width: 40px;
    height: 40px;
    color: var(--accent-color);
}

.prompt-card .icon svg {
    width: 100%;
    height: 100%;
}

.prompt-card p {
    font-size: 15px;
    color: var(--text-primary);
    line-height: 1.5;
    margin: 0;
}

/* Disclaimer */
.disclaimer {
    font-size: 13px;
    color: var(--text-secondary);
    font-style: italic;
    margin-top: 20px;
}

/* Chat Screen */
.chat-screen {
    max-width: 900px;
    width: 100%;
    padding: 20px;
}

.chat-messages {
    display: flex;
    flex-direction: column;
    gap: 20px;
    padding-bottom: 120px; /* Add space for fixed input container */
}

.message {
    display: flex;
    gap: 12px;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

.message-content {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 16px 20px;
    max-width: 70%;
    word-wrap: break-word;
}

.message.user .message-content {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: #ffffff;
}

.message.assistant .message-content {
    background-color: var(--bg-card);
}

.message-content pre {
    background-color: var(--bg-secondary);
    padding: 12px;
    border-radius: 6px;
    overflow-x: auto;
    margin: 8px 0;
}

.message-content code {
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 13px;
}

.loading {
    display: flex;
    gap: 6px;
    padding: 4px 0;
}

.loading span {
    width: 8px;
    height: 8px;
    background-color: var(--accent-color);
    border-radius: 50%;
    animation: bounce 1.4s infinite ease-in-out both;
}

.loading span:nth-child(1) {
    animation-delay: -0.32s;
}

.loading span:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes bounce {
    0%, 80%, 100% {
        transform: scale(0);
    }
    40% {
        transform: scale(1);
    }
}

/* Chat Input */
.chat-input-container {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    padding: 20px;
    display: flex;
    gap: 12px;
    align-items: center;
    max-width: 100%;
    margin: 0 auto;
}

.chat-button {
    background-color: var(--accent-color);
    border: none;
    border-radius: 50%;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.2s ease;
    flex-shrink: 0;
}

.chat-button:hover {
    background-color: var(--accent-hover);
}

.chat-button svg {
    width: 24px;
    height: 24px;
    color: #ffffff;
}

#userInput {
    flex: 1;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 12px 20px;
    color: var(--text-primary);
    font-size: 15px;
    outline: none;
    transition: border-color 0.2s ease;
}

#userInput:focus {
    border-color: var(--accent-color);
}

#userInput::placeholder {
    color: var(--text-secondary);
}

.send-button {
    background-color: var(--accent-color);
    border: none;
    border-radius: 50%;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.2s ease;
    flex-shrink: 0;
}

.send-button:hover {
    background-color: var(--accent-hover);
}

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

.send-button svg {
    width: 20px;
    height: 20px;
    color: #ffffff;
}

/* Error Message */
.error-message {
    background-color: #8b0000;
    border: 1px solid #a00000;
    border-radius: 8px;
    padding: 12px 16px;
    margin-top: 12px;
    font-size: 14px;
}

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

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
}

/* Login Screen */
.login-screen {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background-color: var(--bg-primary);
    padding: 20px;
}

.login-container {
    background-color: var(--bg-card);
    border-radius: 12px;
    padding: 40px;
    max-width: 500px;
    width: 100%;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    text-align: center;
}

.login-container .logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 30px;
}

.login-container .logo svg {
    width: 80px;
    height: 80px;
    margin-bottom: 15px;
}

.login-container .logo h1 {
    font-size: 28px;
    color: var(--accent-color);
    font-weight: 600;
}

.login-container h2 {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.login-container p {
    color: var(--text-secondary);
    margin-bottom: 25px;
    line-height: 1.5;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 30px;
}

.login-form input {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 15px;
    color: var(--text-primary);
    font-size: 16px;
    outline: none;
    transition: border-color 0.3s ease;
}

.login-form input:focus {
    border-color: var(--accent-color);
}

.login-form button {
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: 8px;
    padding: 15px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.login-form button:hover {
    background-color: var(--accent-hover);
}

.login-form button:active {
    transform: scale(0.98);
}

.login-footer {
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.login-footer p {
    font-size: 14px;
    margin-bottom: 8px;
}

.login-footer p strong {
    color: var(--text-primary);
}

.error-message {
    color: #ff6b6b;
    font-size: 14px;
    padding: 10px;
    background-color: rgba(255, 107, 107, 0.1);
    border-radius: 6px;
    margin-top: 10px;
}

.microsoft-login-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background-color: #ffffff;
    color: #5e5e5e;
    border: 1px solid #8c8c8c;
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 2px;
    cursor: pointer;
    transition: background-color 0.2s;
    width: 100%;
}

.microsoft-login-button:hover {
    background-color: #f3f3f3;
}

.microsoft-login-button svg {
    width: 21px;
    height: 21px;
    flex-shrink: 0;
}