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

body {
    font-family: 'Arimo', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, #304254 0%, #1a2633 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-container {
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: 400px;
    padding: 40px;
}

.login-header {
    text-align: center;
    margin-bottom: 40px;
}

.logo {
    font-size: 28px;
    font-weight: bold;
    color: #304254;
    margin-bottom: 10px;
}

.subtitle {
    color: #6c757d;
    font-size: 14px;
}

.login-content {
    text-align: center;
}

.login-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #4285f4;
    color: white;
    padding: 12px 24px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: background 0.3s ease;
    width: 100%;
    gap: 10px;
}

.login-button:hover {
    background: #357ae8;
}

.google-icon {
    width: 20px;
    height: 20px;
}

.footer {
    margin-top: 40px;
    text-align: center;
    color: #6c757d;
    font-size: 12px;
}

.footer a {
    color: #6c757d;
    text-decoration: none;
}

.footer a:hover {
    text-decoration: underline;
}

.message {
    padding: 12px;
    border-radius: 6px;
    margin-bottom: 20px;
    font-size: 14px;
}

.message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.dev-mode-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: #ff9800;
    color: white;
    padding: 8px;
    text-align: center;
    font-size: 13px;
    font-weight: bold;
}