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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.login-container {
    background-color: white;
    padding: 40px 30px;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
}

.login-title {
    font-size: 24px;
    font-weight: 700;
    color: #333;
    text-align: center;
    margin-bottom: 30px;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-label {
    font-size: 14px;
    font-weight: 500;
    color: #555;
}

.form-input {
    padding: 12px 16px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.form-input:focus {
    outline: none;
    border-color: #667eea;
}

.login-button {
    padding: 14px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.3s;
    margin-top: 10px;
}

.login-button:hover {
    opacity: 0.9;
}

.login-button:active {
    opacity: 0.8;
}

.error-message {
    color: #ff4444;
    font-size: 14px;
    text-align: center;
    margin-top: 10px;
    display: none;
}

.logo {
    text-align: center;
    margin-bottom: 20px;
}

.logo-icon {
    font-size: 48px;
    margin-bottom: 10px;
}

.logo-text {
    font-size: 18px;
    color: #667eea;
    font-weight: 600;
}